Started fixing floating point errors in the shaders, optimised particles and path finding

.classpath

@@ -41,6 +41,6 @@
 	<classpathentry kind="lib" path="/home/josua/code/Java Libraries/lwjgl-3.2.2-lightweight/lwjgl-stb-natives-macos.jar"/>
 	<classpathentry kind="lib" path="/home/josua/code/Java Libraries/lwjgl-3.2.2-lightweight/lwjgl-stb-natives-windows.jar"/>
 	<classpathentry kind="lib" path="/home/josua/code/Java Libraries/lwjgl-3.2.2-lightweight/lwjgl-stb-sources.jar"/>
-	<classpathentry kind="lib" path="/home/josua/code/Java Libraries/binary-data-format-v2.1.jar"/>
+	<classpathentry kind="lib" path="/home/josua/code/Java Libraries/binary-data-format-v2.2.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

src/projectzombie/Main.java

@@ -63,17 +63,14 @@ public class Main
 	
 	public static void main(String[] args) throws IOException
 	{
-		// Initialize math
 		MathHelpers.init();
+		Settings.init();
+		Environment.init(args);
+		Cheats.init(args);
 		
 		worker = new Worker();
 		worker.start();
 		
-		// Initialize cheats, settings, and environment
-		Environment.init(args);
-		Cheats.init(args);
-		Settings.init();
-		
 		Items.init();
 		Entities.init();
 		Tiles.init();

src/projectzombie/display/Camera.java

@@ -1,11 +1,14 @@
 package projectzombie.display;
 
+import gl_engine.MathHelpers;
 import gl_engine.matrix.Matrix4;
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.Main;
 
 public class Camera
 {
+	public int cx, cy;
 	public double angle = 45;
 	private Matrix4 matrix;
 	
@@ -14,10 +17,14 @@ public class Camera
 	public Camera()
 	{
 		Matrix4 identity = Matrix4.identity();
-		Vec2d pos = Main.player.pos;
+		Vec3d pos = Main.player.getPos();
 		angle = Main.player.angle;
 		
-		identity = Matrix4.multiply(identity, Matrix4.translate(-pos.x + 0.5, 0, -pos.y + 0.5));
+		cx = MathHelpers.floor((pos.x - 0.5) / 16.0) + 1;
+		cy = MathHelpers.floor((pos.z - 0.5) / 16.0) + 1;
+		
+		identity = Matrix4.multiply(identity, Matrix4.translate(
+				MathHelpers.mod(-pos.x + 0.5, 16), 0, MathHelpers.mod(-pos.z + 0.5, 16)));
 		identity = Matrix4.multiply(identity, Matrix4.rotate(angle + 180, 0, 1, 0));
 		identity = Matrix4.multiply(identity, Matrix4.rotate(-45, 1, 0, 0));
 		identity = Matrix4.multiply(identity, Matrix4.translate(0, 0, -16));

src/projectzombie/display/DisplayLighting.java

@@ -61,6 +61,7 @@ public class DisplayLighting
 		if(!ChunkEventHandler.loaded) return;
 		Layer layer = Main.world.getLayer();
 		EntityPlayer player = Main.player;
+		Vec2d ppos = player.getPos().xz();
 		
 		boolean dirty = lighting_dirty;
 		
@@ -69,8 +70,8 @@ public class DisplayLighting
 			for(int cx=-Chunk.RENDER_DISTANCE;cx<=Chunk.RENDER_DISTANCE;cx++) {
 				for(int cy=-Chunk.RENDER_DISTANCE;cy<=Chunk.RENDER_DISTANCE;cy++) {
 					Vec2i cpos = new Vec2i(
-							cx + MathHelpers.floor(player.pos.x / 16),
+							cx + MathHelpers.floor(ppos.x / 16),
-							cy + MathHelpers.floor(player.pos.y / 16));
+							cy + MathHelpers.floor(ppos.y / 16));
 					Chunk chunk = layer.chunks.get(cpos);
 					if(chunk.isLightDirty()) {
 						chunk.resetLightDirty();
@@ -92,8 +93,8 @@ public class DisplayLighting
 			for(int cy=-Chunk.RENDER_DISTANCE;cy<=Chunk.RENDER_DISTANCE;cy++)
 			{
 				Vec2i cpos = new Vec2i(
-						cx + MathHelpers.floor(player.pos.x / 16),
+						cx + MathHelpers.floor(ppos.x / 16),
-						cy + MathHelpers.floor(player.pos.y / 16));
+						cy + MathHelpers.floor(ppos.y / 16));
 				
 				Chunk chunk = layer.chunks.get(cpos);
 				
@@ -128,13 +129,13 @@ public class DisplayLighting
 		}
 		
 		Main.worker.processLighting(lights, size, size,
-				MathHelpers.floor(player.pos.x / 16) - Chunk.RENDER_DISTANCE,
+				MathHelpers.floor(ppos.x / 16) - Chunk.RENDER_DISTANCE,
-				MathHelpers.floor(player.pos.y / 16) - Chunk.RENDER_DISTANCE);
+				MathHelpers.floor(ppos.y / 16) - Chunk.RENDER_DISTANCE);
 	}
 	
 	private static void calculateLight(Layer layer, Lighting lighting, float[] pixels, int x, int y, float level)
 	{
-		if(x < 0 || y < 0 || x >= lighting.w || y >= lighting.h) {
+		if(x < 0 || y < 0 || x >= lighting.w || y >= lighting.h || level <= 0) {
 			return;
 		}
 		
@@ -192,10 +193,12 @@ public class DisplayLighting
 				0, 1
 		};
 		
+		Vec2d epos = entity.getPos().xz();
+		
 		for(int i=0;i<positions.length;i+=2)
 		{
-			int x = (int)Math.round(entity.pos.x) - positions[i+0];
+			int x = (int)Math.round(epos.x) - positions[i+0];
-			int y = (int)Math.round(entity.pos.y) - positions[i+1];
+			int y = (int)Math.round(epos.y) - positions[i+1];
 			
 			Vec2i lpos = new Vec2i(x, y).subtract(new Vec2i(lighting.x * 16, lighting.y * 16));
 			
@@ -218,9 +221,7 @@ public class DisplayLighting
 			TileState bt = chunk.getBackTile(tid);
 			
 			double dissipation = Math.max(ft.tile.getLightDissipation(ft), bt.tile.getLightDissipation(bt));
-			double level2 = level - dissipation * (Math.abs(x + 0.5 - entity.pos.x) + Math.abs(y + 0.5 - entity.pos.y));
+			double level2 = level - dissipation * (Math.abs(x + 0.5 - epos.x) + Math.abs(y + 0.5 - epos.y));
-			
-			//pixels[id] = (float)level2;
 			
 			calculateLight(layer, lighting, pixels, lpos.x, lpos.y, (float)level2);
 		}
@@ -237,6 +238,7 @@ public class DisplayLighting
 		}
 		
 		Layer layer = Main.world.getLayer();
+		Vec2d ppos = Main.player.getPos().xz();
 		
 		calculateEntityLighting(layer, lighting, Main.player, pixels);
 		
@@ -244,8 +246,8 @@ public class DisplayLighting
 			for(int cy=-Chunk.RENDER_DISTANCE;cy<=Chunk.RENDER_DISTANCE;cy++)
 			{
 				Vec2i cpos = new Vec2i(
-						cx + MathHelpers.floor(Main.player.pos.x / 16),
+						cx + MathHelpers.floor(ppos.x / 16),
-						cy + MathHelpers.floor(Main.player.pos.y / 16));
+						cy + MathHelpers.floor(ppos.y / 16));
 				
 				Chunk chunk = layer.chunks.get(cpos);
 				
@@ -297,8 +299,15 @@ public class DisplayLighting
 		
 		GL33.glGenerateMipmap(GL33.GL_TEXTURE_2D);
 		
+		int cx = 0, cy = 0;
+		
+		if(Camera.camera != null) {
+			cx = Camera.camera.cx;
+			cy = Camera.camera.cy;
+		}
+		
 		// Set the texture location data
-		GL33.glUniform2f(Main.window.glsl_lightmap_offset, lighting.x * 16 - 0.5f, lighting.y * 16 - 0.5f);
+		GL33.glUniform2f(Main.window.glsl_lightmap_offset, (lighting.x - cx) * 16 - 0.5f, (lighting.y - cy) * 16 - 0.5f);
 		GL33.glUniform2f(Main.window.glsl_lightmap_size, lighting.w, lighting.h);
 	}
 	

src/projectzombie/display/DisplayRender.java

@@ -8,6 +8,8 @@ import static org.lwjgl.opengl.GL11.glViewport;
 import org.lwjgl.opengl.GL33;
 
 import gl_engine.matrix.Matrix4;
+import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.Main;
 import projectzombie.entity.player.EntityPlayer;
 import projectzombie.model.Model;
@@ -56,13 +58,16 @@ public class DisplayRender
 				GL33.glUniform1i(Main.window.glsl_time, (int)((System.currentTimeMillis() / 10) % 1000));
 				
 				// Render the world and the player
+				Vec3d ppos = Main.player.getPos();
 				Main.world.render(camera);
-				player.chunk = Main.world.getLayer().getChunk(player.pos);
+				player.chunk = Main.world.getLayer().getChunk(player.getPos().xz());
 				
 				if(!Main.player.dead)
 				{
 					Model model = player.getModel();
-					model.setModel(Matrix4.translate(player.pos.x - 0.5, player.getHeight(), player.pos.y - 0.5));
+					model.setModel(Matrix4.translate(
+							(ppos.x - Camera.camera.cx * 16) - 0.5, ppos.y,
+							(ppos.z - Camera.camera.cy * 16) - 0.5));
 					model.render();
 				}
 			}

src/projectzombie/display/DisplayRenderUI.java

@@ -5,6 +5,7 @@ import org.lwjgl.opengl.GL33;
 import gl_engine.MathHelpers;
 import gl_engine.matrix.Matrix4;
 import gl_engine.vec.Vec3d;
+import gl_engine.vec.Vec3i;
 import projectzombie.Main;
 import projectzombie.init.Models;
 import projectzombie.inventory.Inventory;
@@ -124,6 +125,21 @@ public class DisplayRenderUI
 			renderGameGui();
 		}
 		
+		double aspect = (double)Main.window.getWidth() / (double)Main.window.getHeight();
+		Matrix4 matrix = Matrix4.scale(new Vec3d(0.35, 0.35, 0.35));
+		matrix = Matrix4.multiply(matrix, Matrix4.translate(-10 * aspect, 9.5, 0));
+		
+		if(showFPS) {
+			Text.render("Fps: " + DisplayStatsEventHandler.fps, matrix);
+			matrix = Matrix4.multiply(matrix, Matrix4.translate(0, -0.35, 0));
+		}
+		
+		if(showPos) {
+			Vec3i pos = Main.player.getPos().toInt();
+			Text.render("x="+pos.x+", y="+pos.y+", z="+pos.z, matrix);
+			matrix = Matrix4.multiply(matrix, Matrix4.translate(0, -0.35, 0));
+		}
+		
 		// Render the loaded menu
 		Main.menu.render();
 	}

src/projectzombie/entity/Entity.java

@@ -11,6 +11,7 @@ import bdf.types.BdfObject;
 import gl_engine.MathHelpers;
 import gl_engine.vec.Vec2d;
 import gl_engine.vec.Vec2i;
+import gl_engine.vec.Vec3d;
 import mainloop.task.IMainloopTask;
 import projectzombie.Main;
 import projectzombie.init.Entities;
@@ -23,7 +24,6 @@ import projectzombie.world.layer.Layer;
 
 public abstract class Entity implements IBdfClassManager
 {
-	public Vec2d pos;
 	public double hitbox = 1;
 	public boolean isSolid = false;
 	public Chunk chunk;
@@ -35,6 +35,10 @@ public abstract class Entity implements IBdfClassManager
 	public boolean emitsLight = false;
 	public int stepOnTileCooldown = 0;
 	private boolean dead = false;
+	protected boolean gravity = true;
+	
+	private Vec3d pos;
+	private Vec3d velocity;
 	
 	public abstract IModel getModel();
 	
@@ -42,21 +46,34 @@ public abstract class Entity implements IBdfClassManager
 		return dead;
 	}
 	
+	public Vec3d getPos() {
+		return pos;
+	}
+	
+	public void setPos(Vec3d pos) {
+		this.pos = pos;
+	}
+	
+	public Vec3d getVelocity() {
+		return velocity;
+	}
+	
+	public void setVelocity(Vec3d velocity) {
+		this.velocity = velocity;
+	}
+	
 	protected double getTilesLightDissipation() {
 		if(chunk == null) return 0;
-		TileState tsf = chunk.getFrontTile(pos.toInt());
+		TileState tsf = chunk.getFrontTile(pos.xz().toInt());
-		TileState tsb = chunk.getBackTile(pos.toInt());
+		TileState tsb = chunk.getBackTile(pos.xz().toInt());
 		return MathHelpers.biggest(
 				tsf.tile.getLightDissipation(tsf),
 				tsb.tile.getLightDissipation(tsb));
 	}
 	
 	protected double getLightWithHeight(double light) {
-		double height = 1;
+		double height = Math.abs(getVelocity().y) + 1;
-		if(this instanceof EntityHeight) {
+		return light - (this.getTilesLightDissipation() * height);
-			height *= ((EntityHeight)this).getHeight();
-		}
-		return light - (this.getTilesLightDissipation() * Math.abs(height));
 	}
 	
 	public int getID() {
@@ -106,10 +123,11 @@ public abstract class Entity implements IBdfClassManager
 		}
 	}
 	
-	public Entity(Vec2d pos)
+	public Entity(Vec3d pos, Vec3d velocity)
 	{
 		// Store the specified values
-		this.pos = pos;
+		this.velocity = velocity.copy();
+		this.pos = pos.copy();
 	}
 	
 	public Entity(BdfObject bdf) {
@@ -120,13 +138,15 @@ public abstract class Entity implements IBdfClassManager
 	public void BdfClassLoad(BdfObject bdf) {
 		BdfNamedList nl = bdf.getNamedList();
 		BdfArray e = nl.get("e").getArray();
-		pos = new Vec2d(e.get(0));
+		pos = new Vec3d(e.get(0));
+		velocity = new Vec3d(e.get(1));
 		hitbox = e.get(2).getDouble();
 		isSolid = e.get(3).getBoolean();
 		crossUnWalkable = e.get(4).getBoolean();
 		goThroughSolid = e.get(5).getBoolean();
 		emitsLight = e.get(6).getBoolean();
 		stepOnTileCooldown = e.get(7).getInteger();
+		gravity = e.get(8).getBoolean();
 	}
 	
 	@Override
@@ -142,23 +162,29 @@ public abstract class Entity implements IBdfClassManager
 		BdfObject pos_bdf = new BdfObject();
 		pos.BdfClassSave(pos_bdf);
 		
+		BdfObject velocity_bdf = new BdfObject();
+		velocity.BdfClassSave(velocity_bdf);
+		
 		BdfArray e = new BdfArray();
 		nl.set("e", BdfObject.withArray(e));
 		
 		e.add(pos_bdf);
+		e.add(velocity_bdf);
 		e.add(BdfObject.withDouble(hitbox));
 		e.add(BdfObject.withBoolean(isSolid));
 		e.add(BdfObject.withBoolean(crossUnWalkable));
 		e.add(BdfObject.withBoolean(goThroughSolid));
 		e.add(BdfObject.withBoolean(emitsLight));
 		e.add(BdfObject.withInteger(stepOnTileCooldown));
+		e.add(BdfObject.withBoolean(gravity));
 	}
 	
-	public void tick(Chunk chunk, Layer layer) {
+	public void tick(Chunk chunk, Layer layer)
+	{
 		//speed = 1;
 		//angle = MathHelpers.mod(angle, 360);
 		Vec2i tpos = new Vec2i(MathHelpers.floor(pos.x)+0, MathHelpers.floor(pos.y)+0);
-		if(chunk == null) chunk = layer.getChunk(pos);
+		if(chunk == null) chunk = layer.getChunk(pos.xz());
 		this.chunk = chunk;
 		tile_back = chunk.getBackTile(tpos);
 		tile_front = chunk.getFrontTile(tpos);
@@ -167,59 +193,64 @@ public abstract class Entity implements IBdfClassManager
 			stepOnTileCooldown -= 1;
 		}
 		
-		moveAwayFromSolidEntities(layer);
+		Vec3d new_pos = pos.add(velocity);
+		
+		if(isSolid) {
+			if(moveIsLegal(new Vec2d(new_pos.x, pos.z))) {
+				pos.x = new_pos.x;
+			} else {
+				velocity.x *= 0.5;
+			}
+			
+			if(moveIsLegal(new Vec2d(pos.x, new_pos.z))) {
+				pos.z = new_pos.z;
+			} else {
+				velocity.z *= 0.5;
+			}
+		} else {
+			pos.x = new_pos.x;
+			pos.z = new_pos.z;
+		}
+		
+		if(new_pos.y > 0) {
+			pos.y = new_pos.y;
+		} else {
+			velocity.y = 0;
+			velocity.x *= 0.75;
+			velocity.z *= 0.75;
+			pos.y = 0;
+		}
+		
+		if(gravity) {
+			velocity.y -= MathHelpers.FallSpeed;
+		}
+		
+		if(isSolid) {
+			moveAwayFromSolidEntities(layer);
+		}
 	}
 	
 	protected void moveAwayFromSolidEntities(Layer layer)
 	{
 		if(!goThroughSolid)
 		{
-			for(Entity e : layer.getNearbyEntities(pos, hitbox))
+			for(Entity e : layer.getNearbyEntities(pos.xz(), hitbox))
 			{
-				if(e.isSolid && e != this) {
+				if(e.isSolid && !e.goThroughSolid && e != this)
-					double angle = Math.toDegrees(Math.atan2(
+				{
-							pos.y - e.pos.y,
+					double distance = pos.distance(e.pos);
-							pos.x - e.pos.x));
+					double angle = MathHelpers.atan2(e.pos.z - pos.z, e.pos.x - pos.x);
-					moveTowards(angle + 180, 0.1);
+					
+					Vec3d vec_push = MathHelpers.moveTowards2(distance == 0 ? 1 : (0.5 / distance), angle).xny();
+					
+					push(vec_push.multiply(-0.125));
 				}
 			}
 		}
 	}
 	
-	public void moveTowards(double angle, double speed)
+	public void push(Vec3d vec) {
-	{
+		velocity = velocity.add(vec);
-		if(chunk == null) {
-			chunk = Main.world.getLayer().getChunk(pos);
-		}
-		
-		// Calculate the new position
-		speed *= 1 - MathHelpers.biggest(
-				chunk.getFrontTile(pos.toInt()).tile.slowness,
-				chunk.getBackTile(pos.toInt()).tile.slowness);
-		Vec2d pos = this.pos.add(MathHelpers.moveTowards2(speed, Math.toRadians(angle)));
-		
-		// Check if the new position is legal
-		if(this.moveIsLegal(new Vec2d(this.pos.x, pos.y))) this.pos.y = pos.y;
-		if(this.moveIsLegal(new Vec2d(pos.x, this.pos.y))) this.pos.x = pos.x;
-		
-		// Activate stepped on tiles if the entity is "solid"
-		if(this.isSolid) activateSteppedOnTile();
-	}
-	
-	public void moveInVector(Vec2d vec, double speed)
-	{
-		// Calculate the new position
-		speed *= 1 - MathHelpers.biggest(
-				chunk.getFrontTile(pos.toInt()).tile.slowness,
-				chunk.getBackTile(pos.toInt()).tile.slowness);
-		Vec2d pos = vec.multiply(speed).add(this.pos);
-		
-		// Check if the new position is legal
-		if(this.moveIsLegal(new Vec2d(this.pos.x, pos.y))) this.pos.y = pos.y;
-		if(this.moveIsLegal(new Vec2d(pos.x, this.pos.y))) this.pos.x = pos.x;
-		
-		// Activate stepped on tiles if the entity is "solid"
-		if(this.isSolid) activateSteppedOnTile();
 	}
 	
 	public void kill() {
@@ -231,7 +262,7 @@ public abstract class Entity implements IBdfClassManager
 	{
 		// Get the tile position and the layer
 		Layer layer = Main.world.getLayer();
-		Vec2i tpos = new Vec2i(MathHelpers.floor(pos.x)+0, MathHelpers.floor(pos.y)+0);
+		Vec2i tpos = new Vec2i(MathHelpers.floor(pos.x)+0, MathHelpers.floor(pos.z)+0);
 		
 		// Activate both tiles
 		tile_front.tile.onActivated(layer, tpos, this, tile_front);
@@ -245,7 +276,7 @@ public abstract class Entity implements IBdfClassManager
 		{
 			// Get the tile position and the layer
 			Layer layer = Main.world.getLayer();
-			Vec2i tpos = new Vec2i(MathHelpers.floor(pos.x)+0, MathHelpers.floor(pos.y)+0);
+			Vec2i tpos = new Vec2i(MathHelpers.floor(pos.x)+0, MathHelpers.floor(pos.z)+0);
 			
 			// Activate both tiles
 			tile_front.tile.onWalkedOn(chunk, layer, tpos, this, tile_front);
@@ -256,7 +287,7 @@ public abstract class Entity implements IBdfClassManager
 		}
 	}
 	
-	public boolean moveIsLegal(Vec2d pos)
+	private boolean moveIsLegal(Vec2d pos)
 	{
 		Vec2i t_pos = new Vec2i(MathHelpers.floor(pos.x)+0, MathHelpers.floor(pos.y)+0);
 		Chunk chunk = Main.world.getLayer().getChunk(pos);
@@ -316,41 +347,7 @@ public abstract class Entity implements IBdfClassManager
 		return true;
 	}
 	
-	public Vec2d getRenderOffset(TileState state) {
-		return new Vec2d(0, 0);
-	}
-	
 	public double getLightLevel() {
 		return 0;
 	}
-
-	public void push(double amount, double angle)
-	{
-		double[] a = {amount};
-		
-		Main.mainloop.register(new IMainloopTask() {
-			
-			@Override
-			public void MainLoopUpdate() {
-				if(!ChunkEventHandler.loaded)
-					return;
-				if(chunk == null)
-					chunk = Main.world.getLayer().getChunk(pos);
-				if(Main.menu.doGameloop) {
-					moveTowards(angle, a[0]/100.0);
-					a[0] -= a[0] / 100.0;
-				}
-			}
-			
-			@Override
-			public boolean MainLoopRepeat() {
-				return a[0] > 0.2;
-			}
-			
-			@Override
-			public boolean MainLoopDelay(long millis) {
-				return millis > 10;
-			}
-		});
-	}
 }

src/projectzombie/entity/EntityBoss.java

@@ -80,8 +80,8 @@ public class EntityBoss extends Entity implements IBossBar, EntityKillWithPartic
 		nl.set("seed", BdfObject.withLong(seed));
 	}
 	
-	public EntityBoss(Vec2d pos) {
+	public EntityBoss(Vec3d pos, Vec3d velocity) {
-		super(pos);
+		super(pos, velocity);
 		
 		this.isSolid = true;
 		this.goThroughSolid = false;
@@ -103,11 +103,14 @@ public class EntityBoss extends Entity implements IBossBar, EntityKillWithPartic
 	public void tick(Chunk chunk, Layer layer) {
 		super.tick(chunk, layer);
 		
+		Vec3d bpos = getPos();
+		Vec3d ppos = Main.player.getPos();
+		
 		double angle = Math.atan2(
-				pos.x - Main.player.pos.x + noise_target_x.eval(
+				bpos.x - ppos.x + noise_target_x.eval(
-						time*2, Main.player.pos.x/25, Main.player.pos.y/25)*10,
+						time*2, ppos.x/25, ppos.z/25)*10,
-				pos.y - Main.player.pos.y + noise_target_y.eval(
+				bpos.z - ppos.z + noise_target_y.eval(
-						time*2, Main.player.pos.y/25, Main.player.pos.y/25)*10);
+						time*2, ppos.x/25, ppos.z/25)*10);
 		angle = Math.toDegrees(angle) + 180;
 		
 		if(this.noise_spawn.eval(GameTimer.getTime() / 500.0, 0) > 0.2) {
@@ -122,7 +125,7 @@ public class EntityBoss extends Entity implements IBossBar, EntityKillWithPartic
 				if(
 						layer.getBackTile(zombie_tpos).tile == layer.layergen.getTileDestroyed().tile &&
 						layer.getFrontTile(zombie_tpos).tile == Tiles.VOID) {
-					layer.spawnEntity(new EntityZombie(this.pos.add(zombie_pos)));
+					layer.spawnEntity(new EntityZombie(bpos.add(zombie_pos.xny()), getVelocity()));
 				}
 				spawn_frequency = 50;
 			}
@@ -131,25 +134,8 @@ public class EntityBoss extends Entity implements IBossBar, EntityKillWithPartic
 		
 		if(this.noise_gun.eval(GameTimer.getTime() / 500.0, 0) > 0 && !Main.player.dead && !Main.player.in_animation) {
 			
-			if(bullet_frequency == 0)
+			if(bullet_frequency == 0) {
-			{
+				chunk.spawnEntity(new EntityBullet(bpos, bpos.subtract(ppos).normalize(), this, 20, 1000));
-				Vec2d gun_offset = MathHelpers.moveTowards2(1, Math.toRadians(90));
-				
-				Vec3d pos1 = new Vec3d(pos.x + gun_offset.x, pos.y + gun_offset.y, 1);
-				double distance_1 = pos1.distance(new Vec3d(pos.x, pos.y, pos1.z));
-				double angle1_0 = Math.toDegrees(Math.atan2(
-						pos1.x - Main.player.pos.x, pos1.y - Main.player.pos.y)) + 180;
-				double angle1_1 = Math.toDegrees(Math.atan2(distance_1, pos1.z - 1)) - 90;
-				
-				Vec3d pos2 = new Vec3d(pos.x - gun_offset.x, pos.y - gun_offset.y, 1);
-				double distance_2 = pos2.distance(new Vec3d(pos.x, pos.y, pos2.z));
-				double angle2_0 = Math.toDegrees(Math.atan2(pos2.x - Main.player.pos.x, pos2.y - Main.player.pos.y)) + 180;
-				double angle2_1 = Math.toDegrees(Math.atan2(distance_2, pos2.z - 1)) - 90;
-				
-				layer.spawnEntity(new EntityBullet(pos.add(gun_offset), this, angle1_0, 20, 1000
-						).withHeight(angle1_1, pos1.z));
-				layer.spawnEntity(new EntityBullet(pos.subtract(gun_offset), this, angle2_0, 20, 1000
-						).withHeight(angle2_1, pos2.z));
 				bullet_frequency = 10;
 			}
 			
@@ -228,7 +214,7 @@ public class EntityBoss extends Entity implements IBossBar, EntityKillWithPartic
 	}
 	
 	public void moveTowards(double angle) {
-		this.moveTowards(angle, 0.02);
+		this.push(MathHelpers.moveTowards2(0.01, Math.toRadians(angle)).xny());
 	}
 	
 	@Override
@@ -248,16 +234,12 @@ public class EntityBoss extends Entity implements IBossBar, EntityKillWithPartic
 		}
 		
 		// Spawn the loot
-		layer.spawnEntity(new EntityItem(pos.copy(), stack));
+		layer.spawnEntity(new EntityItem(getPos(), getVelocity(), stack));
-		layer.spawnEntity(new EntityItem(pos.copy(), new ItemStack(
+		layer.spawnEntity(new EntityItem(getPos(), getVelocity(), new ItemStack(
 				Items.HEALTH_POTION, RandomHelpers.randrange(rand, 20), (byte)50)));
-		layer.spawnEntity(new EntityItem(pos.copy(), new ItemStack(
+		layer.spawnEntity(new EntityItem(getPos(), getVelocity(), new ItemStack(
 				Items.AMMO, RandomHelpers.randrange(rand, 200), (byte)50)));
-		layer.spawnEntity(new EntityItem(pos.copy(), new ItemStack(Items.GRAPPLING_HOOK, 1, (byte)2)));
+		layer.spawnEntity(new EntityItem(getPos(), getVelocity(), new ItemStack(Items.GRAPPLING_HOOK, 1, (byte)2)));
-	}
-	
-	@Override
-	public void push(double amount, double angle) {
 	}
 	
 	@Override

src/projectzombie/entity/EntityBullet.java

@@ -23,11 +23,6 @@ public class EntityBullet extends EntityParticle
 	
 	private double damage;
 	
-	private double height = 0.2;
-	private double height_angle = 0;
-	private double angle = 0;
-	private Vec3d velocity;
-	
 	public EntityBullet(BdfObject bdf) {
 		super(bdf);
 	}
@@ -39,10 +34,6 @@ public class EntityBullet extends EntityParticle
 		BdfNamedList nl = bdf.getNamedList();
 		time = nl.get("time").getInteger();
 		damage = nl.get("damage").getDouble();
-		height = nl.get("height").getDouble();
-		height_angle = nl.get("angle_h").getDouble();
-		angle = nl.get("angle").getDouble();
-		velocity = new Vec3d(nl.get("velocity"));
 	}
 	
 	@Override
@@ -52,62 +43,31 @@ public class EntityBullet extends EntityParticle
 		BdfNamedList nl = bdf.getNamedList();
 		nl.set("time", BdfObject.withInteger(time));
 		nl.set("damage", BdfObject.withDouble(damage));
-		nl.set("height", BdfObject.withDouble(height));
-		nl.set("angle_h", BdfObject.withDouble(height_angle));
-		nl.set("angle", BdfObject.withDouble(angle));
-		velocity.BdfClassSave(nl.get("velocity"));
 	}
 	
-	public EntityBullet(Vec2d pos, Entity parent, double angle, double damage, int despawn_time) {
+	public EntityBullet(Vec3d pos, Vec3d velocity, Entity parent, double damage, int despawn_time) {
-		super(pos);
+		super(pos, velocity);
 		
 		// Store some specified values
-		this.angle = angle;
 		this.parent = parent;
 		this.damage = damage;
 		this.time = despawn_time;
-		
+		this.gravity = false;
-		// Calculate the velocity vector
-		this.velocity = MathHelpers.moveTowards3(0.2, new Vec2d(
-				Math.toRadians(this.angle), Math.toRadians(this.height_angle)));
 		
 		// Play the gun sound
-		Sounds.GUN.play(new Vec3d(pos.x, 0.4, pos.y), 2);
+		Sounds.GUN.play(pos, 2);
-	}
-	
-	public EntityBullet withHeight(double angle, double height) {
-		this.height_angle = angle;
-		this.height = height;
-		this.velocity = MathHelpers.moveTowards3(0.2, new Vec2d(
-				Math.toRadians(this.angle), Math.toRadians(this.height_angle)));
-		return this;
 	}
 	
 	@Override
 	public void tick(Chunk chunk, Layer layer) {
 		super.tick(chunk, layer);
 		
-		// Move forward in the bullets angle, very quickly
+		chunk = layer.getChunk(getPos().xz());
-		Vec3d pos3 = velocity.add(new Vec3d(pos.x, pos.y, height));
-		height = pos3.z;
-		
-		if(moveIsLegal(new Vec2d(pos3.x, pos.y))) {
-			pos.x = pos3.x;
-		} if(moveIsLegal(new Vec2d(pos.x, pos3.x))) {
-			pos.y = pos3.y;
-		}
-		
-		if(height < 0 || height > 16) {
-			kill();
-			return;
-		}
-		
-		chunk = layer.getChunk(pos);
 		
 		// Is the bullets new position intersecting a solid object
 		{
 			// Get the position of the tile the bullet is over
-			Vec2i tpos = new Vec2i(MathHelpers.floor(pos.x), MathHelpers.floor(pos.y));
+			Vec2i tpos = getPos().xz().toInt();
 			
 			// Get the foreground tile and the background tile
 			Tile tile_f = chunk.getFrontTile(tpos).tile;
@@ -115,7 +75,7 @@ public class EntityBullet extends EntityParticle
 			
 			// Is the tile solid and has the bullet crashed into it
 			if(tile_f.tileSolid) {
-				if(pos.squareDistance(new Vec2d(tpos.x + 0.5, tpos.y + 0.5)) < tile_f.tileHitbox)
+				if(getPos().xz().squareDistance(new Vec2d(tpos.x + 0.5, tpos.y + 0.5)) < tile_f.tileHitbox)
 				{
 					// Break the block
 					if(tile_f instanceof TileBulletBreakable && RandomHelpers.randrange(rand,
@@ -127,7 +87,7 @@ public class EntityBullet extends EntityParticle
 					kill();
 				}
 			} if(tile_b.tileSolid) {
-				if(pos.squareDistance(new Vec2d(tpos.x + 0.5, tpos.y + 0.5)) < tile_b.tileHitbox)
+				if(getPos().xz().squareDistance(new Vec2d(tpos.x + 0.5, tpos.y + 0.5)) < tile_b.tileHitbox)
 				{
 					// Break the block
 					if(tile_f instanceof TileBulletBreakable && RandomHelpers.randrange(rand,
@@ -142,24 +102,26 @@ public class EntityBullet extends EntityParticle
 		}
 		
 		// Loop over the nearby entities
-		for(Entity e : layer.getNearbyEntities(pos, 1))
+		for(Entity e : layer.getNearbyEntities(getPos().xz(), 1))
 		{
 			// Is this entity alive and not the parent
-			if(e instanceof EntityAlive && e != parent && e.pos.squareDistance(this.pos) < e.hitbox)
+			if(e instanceof EntityAlive && e != parent && e.getPos().squareDistance(this.getPos()) < e.hitbox)
 			{
 				// Get the alive entity
 				EntityAlive ea = (EntityAlive)e;
 				
-				// Knock the entity back abit
-				e.push(1, angle);
-				
 				// Spawn some blood particles
 				if(!EntityParticle.DISABLED) {
-					chunk.spawnEntity(new ParticleBlood(pos));
+					chunk.spawnEntity(new ParticleBlood(getPos(), e.getVelocity().add(getVelocity()).divide(8)));
 				}
 				
+				// Knock the entity back abit
+				e.push(getVelocity());
+				
+				Vec3d pos = getPos();
+				
 				// Play the hit noise
-				Sounds.HIT.play(new Vec3d(pos.x, pos.y, 0.4), 1);
+				Sounds.HIT.play(new Vec3d(pos.x, pos.y, pos.z), 1);
 				
 				// Harm the entity
 				ea.removeHealth(damage);

src/projectzombie/entity/EntityContainer.java

@@ -4,6 +4,7 @@ import bdf.types.BdfArray;
 import bdf.types.BdfNamedList;
 import bdf.types.BdfObject;
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.init.Models;
 import projectzombie.model.Model;
 import projectzombie.world.chunk.Chunk;
@@ -17,8 +18,8 @@ public class EntityContainer extends Entity implements EntityHoldsEntities
 		super(bdf);
 	}
 	
-	public EntityContainer(Vec2d pos, Entity[] entities) {
+	public EntityContainer(Vec3d pos, Vec3d velocity, Entity[] entities) {
-		super(pos);
+		super(pos, velocity);
 		
 		this.entities = entities;
 	}

src/projectzombie/entity/EntityDummy.java

@@ -2,6 +2,7 @@ package projectzombie.entity;
 
 import bdf.types.BdfObject;
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.init.Models;
 import projectzombie.model.Model;
 
@@ -11,8 +12,8 @@ public class EntityDummy extends Entity implements EntityAlive
 		super(bdf);
 	}
 
-	public EntityDummy(Vec2d pos) {
+	public EntityDummy(Vec3d pos, Vec3d velocity) {
-		super(pos);
+		super(pos, velocity);
 		
 		this.hitbox = 0.5;
 		this.isSolid = true;

src/projectzombie/entity/EntityExplosion.java

@@ -26,8 +26,8 @@ public class EntityExplosion extends Entity
 		super(bdf);
 	}
 	
-	public EntityExplosion(Vec2d pos, int radius, double damage) {
+	public EntityExplosion(Vec3d pos, int radius, double damage) {
-		super(pos);
+		super(pos, new Vec3d(0, 0, 0));
 		this.damage = damage;
 		this.radius = radius;
 	}
@@ -55,6 +55,7 @@ public class EntityExplosion extends Entity
 		super.tick(chunk, layer);
 		
 		boolean killed_entities = false;
+		Vec2d pos = getPos().xy();
 		
 		// Kill all the nearby entities
 		for(Entity e : layer.getNearbyEntities(pos, radius))
@@ -66,7 +67,7 @@ public class EntityExplosion extends Entity
 				
 				// Remove some health from the entity based on were the entity is
 				killed_entities = true;
-				double distance = e.pos.distance(pos);
+				double distance = e.getPos().distance(getPos());
 				
 				if(distance == 0) {
 					ea.removeHealth(damage);
@@ -126,17 +127,17 @@ public class EntityExplosion extends Entity
 					
 					// Spawn some blood if entities were killed
 					if(killed_entities)
-						entities[upto + 1] = new ParticleBlood(new Vec2d(px, py));
+						entities[upto + 1] = new ParticleBlood(new Vec3d(px, 0, py), new Vec3d(0, 0, 0));
 					
 					// Spawn some smoke
-					entities[upto] = new ParticleSmoke(new Vec2d(px, py));
+					entities[upto] = new ParticleSmoke(new Vec3d(px, 0, py), new Vec3d(0, 0, 0));
 	
 					upto += multiplier;
 				}
 			}
 		}
 		
-		layer.spawnEntity(new EntityContainer(pos, entities));
+		layer.spawnEntity(new EntityContainer(getPos(), getVelocity(), entities));
 		
 		// Play the explosion sound
 		Sounds.EXPLOSION.play(new Vec3d(pos.x, pos.y, 0), 1);

src/projectzombie/entity/EntityFlare.java

@@ -2,6 +2,7 @@ package projectzombie.entity;
 
 import bdf.types.BdfObject;
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.init.Models;
 import projectzombie.model.Model;
 import projectzombie.world.layer.Layer;
@@ -16,8 +17,8 @@ public class EntityFlare extends EntityTnt
 	protected void explode(Layer layer) {
 	}
 
-	public EntityFlare(Vec2d pos, double angle) {
+	public EntityFlare(Vec3d pos, Vec3d velocity, double angle) {
-		super(pos, angle, 0, 0);
+		super(pos, velocity, angle, 0, 0);
 		
 		this.explode_time = 2000;
 		this.emitsLight = true;

src/projectzombie/entity/EntityGrapplingHook.java

@@ -3,6 +3,7 @@ package projectzombie.entity;
 import bdf.types.BdfNamedList;
 import bdf.types.BdfObject;
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.Main;
 import projectzombie.entity.player.EntityPlayer;
 import projectzombie.init.Models;
@@ -39,8 +40,8 @@ public class EntityGrapplingHook extends Entity
 		nl.set("height", BdfObject.withDouble(height));
 	}
 
-	public EntityGrapplingHook(Vec2d pos, int layerId, Entity entity) {
+	public EntityGrapplingHook(Vec3d pos, int layerId, Entity entity) {
-		super(pos);
+		super(pos, new Vec3d(0, 0, 0));
 		
 		this.layerId = layerId;
 		this.height = -16;
@@ -56,50 +57,48 @@ public class EntityGrapplingHook extends Entity
 	public void tick(Chunk chunk, Layer layer) {
 		super.tick(chunk, layer);
 		
-		if(entity instanceof EntityHeight) {
+		if(height >= -8)
-			EntityHeight ea = (EntityHeight)entity;
+		{
+			Vec3d epos = entity.getPos();
 			
-			if(height >= -8)
+			double h = epos.y;
+			epos.y += 0.02;
+			
+			if(entity instanceof EntityPlayer) {
+				EntityPlayer ep = (EntityPlayer)entity;
+				ep.moving = true;
+			}
+			
+			if(h >= 8)
 			{
-				double h = ea.getHeight();
+				epos.y = 0;
-				ea.setHeight(h + 0.02);
+				Main.world.setLayer(layerId);
 				
-				if(entity instanceof EntityPlayer) {
+				if(layer.layergen.destroyOnLeave) {
-					EntityPlayer ep = (EntityPlayer)entity;
+					Main.world.removeLayer(layerId);
-					ep.moving = true;
 				}
 				
-				if(h >= 8)
+				if(entity instanceof EntityPlayer)
 				{
-					ea.setHeight(0);
+					EntityPlayer ep = (EntityPlayer)entity;
-					Main.world.setLayer(layerId);
+					ep.in_animation = false;
-					
+					ep.moving = false;
-					if(layer.layergen.destroyOnLeave) {
-						Main.world.removeLayer(layerId);
-					}
-					
-					if(entity instanceof EntityPlayer)
-					{
-						EntityPlayer ep = (EntityPlayer)entity;
-						ep.in_animation = false;
-						ep.moving = false;
-					}
-					
-					
-					if(layer.layergen instanceof LayerGenRememberPlayerPos) {
-						LayerGenRememberPlayerPos lgrpp = (LayerGenRememberPlayerPos)layer.layergen;
-						entity.pos = lgrpp.getPlayerPos();
-					}
-					
-					kill();
-					return;
 				}
-			}
 				
-			else {
+				
-				height += 0.05;
+				if(layer.layergen instanceof LayerGenRememberPlayerPos) {
+					LayerGenRememberPlayerPos lgrpp = (LayerGenRememberPlayerPos)layer.layergen;
+					entity.setPos(lgrpp.getPlayerPos());
+				}
+				
+				kill();
+				return;
 			}
 		}
+		
+		else {
+			height += 0.05;
+		}
 	}
 	
 	@Override

src/projectzombie/entity/EntityHeight.java

@@ -1,7 +0,0 @@
-package projectzombie.entity;
-
-public interface EntityHeight
-{
-	public double getHeight();
-	public void setHeight(double height);
-}

src/projectzombie/entity/EntityItem.java

@@ -2,33 +2,21 @@ package projectzombie.entity;
 
 import bdf.types.BdfNamedList;
 import bdf.types.BdfObject;
+import gl_engine.MathHelpers;
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.model.Model;
 import projectzombie.util.math.ItemStack;
 import projectzombie.util.math.random.RandomHelpers;
 import projectzombie.world.chunk.Chunk;
 import projectzombie.world.layer.Layer;
 
-public class EntityItem extends Entity implements EntityHeight
+public class EntityItem extends Entity
 {
 	private ItemStack stack;
-	private double height = 0;
-	private double height_speed;
 	private int pickup_time = 200;
 	private long age = 0;
 	
-	public double angle;
-	
-	@Override
-	public double getHeight() {
-		return height;
-	}
-	
-	@Override
-	public void setHeight(double height) {
-		this.height = height;
-	}
-	
 	public EntityItem(BdfObject bdf) {
 		super(bdf);
 	}
@@ -38,12 +26,11 @@ public class EntityItem extends Entity implements EntityHeight
 		super.BdfClassLoad(bdf);
 		
 		BdfNamedList nl = bdf.getNamedList();
+		
 		stack = new ItemStack(nl.get("stack"));
-		height = nl.get("height").getDouble();
+		
-		height_speed = nl.get("speed_h").getDouble();
 		pickup_time = nl.get("pickup").getInteger();
 		age = nl.get("age").getLong();
-		angle = nl.get("angle").getDouble();
 	}
 	
 	@Override
@@ -51,21 +38,24 @@ public class EntityItem extends Entity implements EntityHeight
 		super.BdfClassSave(bdf);
 		
 		BdfNamedList nl = bdf.getNamedList();
+		
 		stack.BdfClassSave(nl.get("stack"));
-		nl.set("height", BdfObject.withDouble(height));
+		
-		nl.set("speed_h", BdfObject.withDouble(height_speed));
 		nl.set("pickup", BdfObject.withInteger(pickup_time));
 		nl.set("age", BdfObject.withLong(age));
-		nl.set("angle", BdfObject.withDouble(angle));
 	}
 	
-	public EntityItem(Vec2d pos, ItemStack stack) {
+	public EntityItem(Vec3d pos, Vec3d velocity, ItemStack stack, double angle) {
-		super(pos);
+		super(pos, velocity);
 		
 		this.emitsLight = true;
 		this.stack = stack;
-		this.angle = RandomHelpers.randrange(rand, 360);
+		
-		height_speed = RandomHelpers.randrange(rand, 10000) / 200000.0;
+		push(new Vec3d(MathHelpers.moveTowards2(0.025, angle), 0.025));
+	}
+	
+	public EntityItem(Vec3d pos, Vec3d velocity, ItemStack stack) {
+		this(pos, velocity, stack, rand.nextDouble() * MathHelpers.TWO_PI);
 	}
 	
 	@Override
@@ -80,24 +70,8 @@ public class EntityItem extends Entity implements EntityHeight
 		
 		age += 1;
 		
-		height += height_speed;
-		height_speed -= 0.001;
-		
-		pickup_time -= 1;
-		if(pickup_time < 0) {
-			pickup_time = 0;
-		}
-		
-		if(height <= 0) {
-			height_speed = 0;
-		}
-		
-		else {
-			moveTowards(angle, 0.01);
-		}
-		
 		// Merge nearby stacks
-		for(Entity e : layer.getNearbyEntities(pos, 1))
+		for(Entity e : layer.getNearbyEntities(getPos().xz(), 1))
 		{
 			if(e instanceof EntityItem && e != this) {
 				EntityItem ei = (EntityItem) e;
@@ -109,11 +83,8 @@ public class EntityItem extends Entity implements EntityHeight
 				) {
 					this.pickup_time = 200;
 					this.stack.count += ei.stack.count;
-					this.pos = new Vec2d(
+					setPos(ei.getPos().divide(2).add(getPos().divide(2)));
-							ei.pos.x / 2 + this.pos.x / 2,
+					setVelocity(ei.getVelocity().divide(2).add(getVelocity().divide(2)));
-							ei.pos.y / 2 + this.pos.y / 2);
-					this.height = ei.height / 2 + this.height / 2;
-					this.height_speed = ei.height_speed / 2 + this.height_speed / 2;
 					ei.kill();
 				}
 			}
@@ -121,7 +92,7 @@ public class EntityItem extends Entity implements EntityHeight
 		
 		if(pickup_time == 0)
 		{
-			for(Entity e : layer.getNearbyEntities(pos, 1))
+			for(Entity e : layer.getNearbyEntities(getPos().xz(), 1))
 			{
 				if(e instanceof EntityInventory)
 				{

src/projectzombie/entity/EntityParticle.java

@@ -3,6 +3,7 @@ package projectzombie.entity;
 import bdf.types.BdfObject;
 import gl_engine.texture.TextureRef3D;
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.Main;
 import projectzombie.world.chunk.Chunk;
 import projectzombie.world.layer.Layer;
@@ -16,8 +17,8 @@ public abstract class EntityParticle extends Entity
 		super(bdf);
 	}
 	
-	public EntityParticle(Vec2d pos) {
+	public EntityParticle(Vec3d pos, Vec3d velocity) {
-		super(pos);
+		super(pos, velocity);
 	}
 	
 	@Override
@@ -25,6 +26,6 @@ public abstract class EntityParticle extends Entity
 		super.tick(chunk, layer);
 		
 		// Kill the particle if the player can't see it to reduce lag
-		if(Main.player.pos.squareDistance(pos) > Chunk.RENDER_DISTANCE * 16) this.kill();
+		if(Main.player.getPos().squareDistance(getPos()) > Chunk.RENDER_DISTANCE * 16) this.kill();
 	}
 }

src/projectzombie/entity/EntityTnt.java

@@ -11,11 +11,9 @@ import projectzombie.model.Model;
 import projectzombie.world.chunk.Chunk;
 import projectzombie.world.layer.Layer;
 
-public class EntityTnt extends Entity implements EntityHeight, EntityHoldsEntities
+public class EntityTnt extends Entity implements EntityHoldsEntities
 {
 	protected boolean active = true;
-	protected double height = 0.4;
-	protected Vec3d velocity;
 	protected int explode_time;
 	private int explode_radius;
 	private double explode_damage;
@@ -26,16 +24,6 @@ public class EntityTnt extends Entity implements EntityHeight, EntityHoldsEntiti
 		return smoke_particles;
 	}
 	
-	@Override
-	public double getHeight() {
-		return height;
-	}
-	
-	@Override
-	public void setHeight(double height) {
-		this.height = height;
-	}
-	
 	public EntityTnt(BdfObject bdf) {
 		super(bdf);
 		
@@ -47,9 +35,6 @@ public class EntityTnt extends Entity implements EntityHeight, EntityHoldsEntiti
 		super.BdfClassLoad(bdf);
 		
 		BdfNamedList nl = bdf.getNamedList();
-		height = nl.get("height").getDouble();
-		velocity = new Vec3d(nl.get("velocity"));
-		
 		BdfNamedList explode = nl.get("explosion").getNamedList();
 		explode_time = explode.get("time").getInteger();
 		explode_radius = explode.get("radius").getInteger();
@@ -61,20 +46,17 @@ public class EntityTnt extends Entity implements EntityHeight, EntityHoldsEntiti
 		super.BdfClassSave(bdf);
 		
 		BdfNamedList nl = bdf.getNamedList();
-		nl.set("height", BdfObject.withDouble(height));
-		velocity.BdfClassSave(nl.get("velocity"));
-		
 		BdfNamedList explode = nl.get("explosion").getNamedList();
 		explode.set("time", BdfObject.withInteger(explode_time));
 		explode.set("radius", BdfObject.withInteger(explode_radius));
 		explode.set("damage", BdfObject.withDouble(explode_damage));
 	}
 	
-	public EntityTnt(Vec2d pos, double angle, int explode_radius, double explode_damage) {
+	public EntityTnt(Vec3d pos, Vec3d velocity, double angle, int explode_radius, double explode_damage) {
-		super(pos);
+		super(pos, velocity);
 		
 		Vec2d v = MathHelpers.moveTowards2(0.05, Math.toRadians(angle));
-		velocity = new Vec3d(v.x, v.y, 0.01);
+		velocity = velocity.add(new Vec3d(v.x, v.y, 0.01));
 		this.explode_radius = explode_radius;
 		this.crossUnWalkable = true;
 		this.goThroughSolid = false;
@@ -87,7 +69,7 @@ public class EntityTnt extends Entity implements EntityHeight, EntityHoldsEntiti
 	
 	protected void explode(Layer layer)
 	{
-		layer.spawnEntity(new EntityExplosion(pos, explode_radius, explode_damage));
+		layer.spawnEntity(new EntityExplosion(getPos(), explode_radius, explode_damage));
 	}
 	
 	@Override
@@ -119,30 +101,6 @@ public class EntityTnt extends Entity implements EntityHeight, EntityHoldsEntiti
 			return;
 		}
 		
-		// Create a downward gravitational pull
-		height += velocity.z;
-		velocity.z -= 0.001;
-		
-		// Move forwards
-		Vec2d pos_copy = pos.copy();
-		pos.x += velocity.x;
-		pos.y += velocity.y;
-		
-		if(!moveIsLegal(new Vec2d(pos.x, pos_copy.y))) {
-			pos.x = pos_copy.x;
-			velocity.x *= -1;
-		}
-		if(!moveIsLegal(new Vec2d(pos_copy.x, pos.y))) {
-			pos.y = pos_copy.y;
-			velocity.y *= -1;
-		}
-		
-		// Make the tnt bounce on the ground
-		if(height < 0) {
-			height = 0;
-			velocity.z *= -1;
-		}
-		
 		// Explode if it is time for the tnt to blow up
 		explode_time -= 1;
 		if(explode_time < 0) {
@@ -150,7 +108,7 @@ public class EntityTnt extends Entity implements EntityHeight, EntityHoldsEntiti
 			explode(layer);
 		}
 		
-		smoke_particles[dead_particle] = new ParticleSpark(new Vec3d(pos, height + 1));
+		smoke_particles[dead_particle] = new ParticleSpark(getPos().add(new Vec3d(0, 1, 0)));
 	}
 	
 	@Override

src/projectzombie/entity/EntityZombie.java

@@ -4,8 +4,10 @@ import java.util.Random;
 
 import bdf.types.BdfNamedList;
 import bdf.types.BdfObject;
+import gl_engine.MathHelpers;
 import gl_engine.vec.Vec2d;
 import gl_engine.vec.Vec2i;
+import gl_engine.vec.Vec3d;
 import projectzombie.Main;
 import projectzombie.init.Models;
 import projectzombie.model.Model;
@@ -31,7 +33,7 @@ public class EntityZombie extends Entity implements EntityAlive, EntityKillWithP
 	protected int gun_interval = 0;
 	protected int gun_level = 0;
 	
-	private Vec2i walk_direction;
+	private Vec3d walk_to;
 	private int walk_scan_cooldown = 0;
 	private boolean can_see_player = false;
 	private int walking_for = 0;
@@ -81,8 +83,8 @@ public class EntityZombie extends Entity implements EntityAlive, EntityKillWithP
 		
 	}
 	
-	public EntityZombie(Vec2d pos) {
+	public EntityZombie(Vec3d pos, Vec3d velocity) {
-		super(pos);
+		super(pos, velocity);
 		
 		seed = rand.nextLong();
 		Random rand = new Random(seed);
@@ -107,62 +109,58 @@ public class EntityZombie extends Entity implements EntityAlive, EntityKillWithP
 		
 		//System.out.println(walk_direction != null ? (walk_direction.x + ", " + walk_direction.y + ": " + pos.toInt().x + ", " + pos.toInt().y) : "null");
 		
-		if(walk_direction == null) {
+		if(walk_to == null) {
 			walk_scan_cooldown -= 1;
 		}
 		
-		double player_distance = pos.squareDistance(Main.player.pos);
+		double player_distance = getPos().squareDistance(Main.player.getPos());
 		
 		// Only pathfind if in range of the player
 		if(player_distance < 16)
 		{
 			if(
-					(walk_direction != null && pos.toInt().equal(walk_direction) &&
+					(walk_to != null && getPos().toInt().equal(walk_to.toInt()) &&
 					player_distance > 2) || walk_scan_cooldown < 1 || walking_for > 200)
 			{
-				AStar astar = new AStar(pos.toInt(), 16, new AStarSearcher(layer, crossUnWalkable));
+				AStar astar = new AStar(getPos().xz().toInt(), 16, new AStarSearcher(layer, crossUnWalkable));
-				Vec2i path[] = astar.getPath(Main.player.pos.toInt());
+				Vec2i path[] = astar.getPath(Main.player.getPos().xz().toInt());
 				
 				walk_scan_cooldown = 100;
 				walking_for = 0;
 				
 				if(path != null && path.length > 1) {
-					walk_direction = path[1];
+					walk_to = new Vec3d(path[0].x, 0, path[0].y);
 				} else {
-					walk_direction = Main.player.pos.toInt();
+					walk_to = null;
 				}
 				
 				can_see_player = (path != null);
 			}
 			
 			// Walk towards the player
-			if(walk_direction != null)
+			if(walk_to != null)
 			{
-				double angle = Math.toDegrees(Math.atan2(
+				push(walk_to.subtract(getPos()).normalize().multiply(0.016));
-						walk_direction.x - (this.pos.x - 0.5) + noise_target_x.eval(time, pos.x/10, pos.y/10),
+				
-						walk_direction.y - (this.pos.y - 0.5) + noise_target_y.eval(time, pos.x/10, pos.y/10)));
+				if(Double.isNaN(walk_to.x + walk_to.y + walk_to.z + getPos().x + getPos().y + getPos().z + getVelocity().x + getVelocity().y + getVelocity().z)) {
-				this.moveTowards(angle);
+					Double.isFinite(0);
+				}
 				
 				walking_for += 1;
 			}
 			
 			if(can_see_player && noise_gun_fire.eval(time, 0) > 0 && !Main.player.dead && !Main.player.in_animation)
 			{
-				// Get the angle between the player and the zombie
-				double angle_fire = Math.atan2(pos.x - Main.player.pos.x, pos.y - Main.player.pos.y);
-				
 				gun_interval += 1;
 				gun_interval %= 10;
 				
 				if(gun_interval == 0)
 				{
-					// Aim the gun at the player
-					double angle_gun = Math.toDegrees(angle_fire) + 180;
-					angle_gun += noise_gun_angle.eval(time, 0)*20;
-					
 					// Fire the gun
 					int d = (int)(1 + gun_level / 5.0);
-					layer.spawnEntity(new EntityBullet(pos.copy(), this, angle_gun, 20*d*d, 60));
+					Vec3d bullet_velocity = getVelocity().add(Main.player.getPos().subtract(getPos())).normalize().multiply(0.2);
+					Vec3d bullet_pos = getPos().add(new Vec3d(0, 0.4, 0));
+					//Main.world.getLayer().spawnEntity(new EntityBullet(bullet_pos, bullet_velocity, this, 20*d*d, 60));
 				}
 			}
 		}
@@ -176,14 +174,6 @@ public class EntityZombie extends Entity implements EntityAlive, EntityKillWithP
 		return Models.ENTITY_ZOMBIE_F;
 	}
 	
-	public void moveInVector(Vec2d vec) {
-		super.moveInVector(vec, 0.06);
-	}
-	
-	public void moveTowards(double angle) {
-		super.moveTowards(angle, 0.06);
-	}
-	
 	@Override
 	public void addHealth(double amount) {
 		health += amount;

src/projectzombie/entity/EntityZombieArmored.java

@@ -2,6 +2,7 @@ package projectzombie.entity;
 
 import bdf.types.BdfObject;
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.init.Models;
 import projectzombie.model.Model;
 
@@ -11,8 +12,8 @@ public class EntityZombieArmored extends EntityZombie
 		super(bdf);
 	}
 	
-	public EntityZombieArmored(Vec2d pos) {
+	public EntityZombieArmored(Vec3d pos, Vec3d velocity) {
-		super(pos);
+		super(pos, velocity);
 		this.health_max *= 5;
 		this.health = this.health_max;
 		this.gun_level = 3;

src/projectzombie/entity/particle/ParticleBlood.java

@@ -1,16 +1,22 @@
 package projectzombie.entity.particle;
 
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.init.Models;
 
 public class ParticleBlood extends ParticleBreak
 {
-	public ParticleBlood(Vec2d pos, int size) {
+	public ParticleBlood(Vec3d pos, Vec3d velocity, int size) {
-		super(pos, Models.PARTICLE_BLOOD, size, 0.1);
+		super(pos, velocity, Models.PARTICLE_BLOOD, size, 0.1);
 	}
 
-	public ParticleBlood(Vec2d pos) {
+	public ParticleBlood(Vec3d pos, Vec3d velocity) {
-		this(pos, 200);
+		this(pos, velocity, 400);
+	}
+	
+	@Override
+	public Vec2d getParticleSize() {
+		return new Vec2d(0.05, 0.05);
 	}
 	
 }

src/projectzombie/entity/particle/ParticleBreak.java

@@ -12,6 +12,7 @@ import gl_engine.MathHelpers;
 import gl_engine.matrix.Matrix4;
 import gl_engine.texture.TextureRef3D;
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec2i;
 import gl_engine.vec.Vec3d;
 import projectzombie.Main;
 import projectzombie.entity.EntityParticle;
@@ -31,24 +32,29 @@ public class ParticleBreak extends EntityParticle implements IModel
 		Vec3d pos;
 		boolean moving;
 		int flags;
-		int life;
 	}
 	
 	private Break[] particles;
 	private int ibo, vbo, vao;
 	private boolean generated;
-	private int dead;
+	private int dead, still, time;
 	
-	public ParticleBreak(Vec2d pos, IModel model) {
+	public Vec2d getParticleSize() {
-		this(pos, model, 200, 0.05);
+		return new Vec2d(0.1, 0.1);
 	}
 	
-	public ParticleBreak(Vec2d pos, IModel model, int count) {
+	public ParticleBreak(Vec3d pos, Vec3d velocity, IModel model) {
-		this(pos, model, count, 0.05);
+		this(pos, velocity, model, 200, 0.05);
 	}
 	
-	protected ParticleBreak(Vec2d pos, IModel model, int count, double velocity_up_multiplier) {
+	public ParticleBreak(Vec3d pos, Vec3d velocity, IModel model, int count) {
-		super(pos);
+		this(pos, velocity, model, count, 0.05);
+	}
+	
+	protected ParticleBreak(Vec3d pos, Vec3d velocity, IModel model, int count, double velocity_up_multiplier) {
+		super(pos, new Vec3d(0, 0, 0));
+		
+		this.gravity = false;
 		
 		double model_height = model.getHeight();
 		TextureRef3D[] textures = model.getTextures();
@@ -78,11 +84,10 @@ public class ParticleBreak extends EntityParticle implements IModel
 			ref.texmap = texture.texmap;
 			ref.z = texture.z;
 			
-			particle.life = (int)(rand.nextDouble() * 200 + 800);
+			particle.pos = pos.add(new Vec3d(0, rand.nextDouble() * model_height, 0));
-			particle.pos = new Vec3d(pos, rand.nextDouble() * model_height);
+			particle.velocity = velocity.multiply(rand.nextDouble()).add(
-			particle.velocity = new Vec3d(
+					MathHelpers.moveTowards2(0.01, rand.nextDouble() * MathHelpers.TWO_PI).xny().add(
-					MathHelpers.moveTowards2(0.01, rand.nextDouble() * MathHelpers.TWO_PI),
+					new Vec3d(0, rand.nextDouble() * velocity_up_multiplier, 0)));
-					rand.nextDouble() * velocity_up_multiplier);
 			particle.ref = ref;
 			particle.moving = true;
 			particle.flags = (int)verticies[tex_id * Model.SIZE + Model.SIZE - 1] | 0b1000;
@@ -90,7 +95,9 @@ public class ParticleBreak extends EntityParticle implements IModel
 			particles[i] = particle;
 		}
 		
+		time = 1000;
 		generated = false;
+		still = 0;
 		dead = 0;
 	}
 	
@@ -98,37 +105,44 @@ public class ParticleBreak extends EntityParticle implements IModel
 	public void tick(Chunk chunk, Layer layer) {
 		super.tick(chunk, layer);
 		
-		dead = 0;
+		time -= 1;
-		
-		for(int i=0;i<particles.length;i++)
-		{
-			Break particle = particles[i];
-			
-			if(particle.life <= 0) {
-				dead += 1;
-				continue;
-			}
-			
-			particle.life -= 1;
-			
-			if(!particle.moving) {
-				continue;
-			}
-			
-			if(particle.pos.z < 0) {
-				particle.moving = false;
-				particle.pos.z = 0;
-				continue;
-			}
-			
-			particle.velocity.z -= MathHelpers.FallSpeed;
-			particle.pos = particle.pos.add(particle.velocity);
-		}
 		
 		if(dead == particles.length - 1) {
 			kill();
 			return;
 		}
+		
+		if(time < 0 && still == particles.length) {
+			if(rand.nextDouble() > 0.75) {
+				dead += 1;
+			}
+			return;
+		}
+		
+		for(int i=0;i<particles.length;i++)
+		{
+			Break particle = particles[i];
+			
+			if(!particle.moving) {
+				continue;
+			}
+			
+			if(particle.pos.y < 0) {
+				particle.moving = false;
+				particle.pos.y = 0;
+				still += 1;
+				continue;
+			}
+			
+			particle.velocity.y -= MathHelpers.FallSpeed;
+			particle.pos = particle.pos.add(particle.velocity);
+		}
+	}
+	
+	@Override
+	public void kill() {
+		this.free();
+		super.kill();
 	}
 
 	@Override
@@ -160,33 +174,36 @@ public class ParticleBreak extends EntityParticle implements IModel
 	public float[] getVerticies()
 	{
 		float[] verticies = new float[getSize() * Model.SIZE];
+		Vec3d ppos = getPos();
 		
 		int upto = 0;
+		float k = Model.OFFSET;
+		float x = (float)getParticleSize().x/2;
+		float y = (float)getParticleSize().y;
 		
 		for(int i=0;i<particles.length;i++)
 		{
 			Break particle = particles[i];
-			
-			if(particle.life <= 0) {
-				continue;
-			}
-			
 			TextureRef3D ref = particle.ref;
 			
 			float f = particle.flags;
-			float k = Model.OFFSET;
+			float px = (float)(particle.pos.x - ppos.x);
-			float x = 0.05f;
+			float py = (float)(particle.pos.y - ppos.y);
-			float y = 0.1f;
+			float pz = (float)(particle.pos.z - ppos.z);
+			float a = y, b = 0, c = 0;
 			
-			float px = (float)(pos.x - particle.pos.x);
+			if(!particle.moving) {
-			float py = (float)(particle.pos.z);
+				f = particle.flags & 0b0110;
-			float pz = (float)(pos.y - particle.pos.y);
+				a = 0.001f;
+				b = y / 2;
+				c = a;
+			}
 			
 			float[] p = {
-					-x, 0, 0, ref.sx+k, ref.sy+k, ref.z, ref.sy, ref.ey, px, py, pz, 1, 1, f,
+					-x, c,-b, ref.sx+k, ref.sy+k, ref.z, ref.sy, ref.ey, px, py, pz, 1, 1, f,
-					 x, 0, 0, ref.ex-k, ref.sy+k, ref.z, ref.sy, ref.ey, px, py, pz, 1, 1, f,
+					 x, c,-b, ref.ex-k, ref.sy+k, ref.z, ref.sy, ref.ey, px, py, pz, 1, 1, f,
-					 x, y, 0, ref.ex-k, ref.ey-k, ref.z, ref.sy, ref.ey, px, py, pz, 1, 1, f,
+					 x, a, b, ref.ex-k, ref.ey-k, ref.z, ref.sy, ref.ey, px, py, pz, 1, 1, f,
-					-x, y, 0, ref.sx+k, ref.ey-k, ref.z, ref.sy, ref.ey, px, py, pz, 1, 1, f,
+					-x, a, b, ref.sx+k, ref.ey-k, ref.z, ref.sy, ref.ey, px, py, pz, 1, 1, f,
 			};
 			
 			for(int j=0;j<p.length;j++) {
@@ -206,7 +223,6 @@ public class ParticleBreak extends EntityParticle implements IModel
 		int upto = 0;
 		
 		for(int i=0;i<particles.length;i++) {
-			if(particles[i].life <= 0) continue;
 			textures[upto+0] = particles[i].ref;
 			textures[upto+1] = particles[i].ref;
 			textures[upto+2] = particles[i].ref;
@@ -268,8 +284,11 @@ public class ParticleBreak extends EntityParticle implements IModel
 			bind();
 		}
 		
-		GL33.glBindBuffer(GL33.GL_ARRAY_BUFFER, vbo);
+		if(still != particles.length) {
-		GL33.glBufferSubData(GL33.GL_ARRAY_BUFFER, 0, getVerticies());
+			GL33.glBindBuffer(GL33.GL_ARRAY_BUFFER, vbo);
+			GL33.glBufferSubData(GL33.GL_ARRAY_BUFFER, 0, getVerticies());
+		}
+		
 		GL33.glDrawElements(GL33.GL_TRIANGLES, getIndexSize(), GL33.GL_UNSIGNED_INT, 0);
 	}
 

src/projectzombie/entity/particle/ParticleLava.java

@@ -5,7 +5,6 @@ import java.util.Random;
 import gl_engine.MathHelpers;
 import gl_engine.vec.Vec2d;
 import gl_engine.vec.Vec3d;
-import projectzombie.entity.EntityHeight;
 import projectzombie.entity.EntityParticle;
 import projectzombie.init.Models;
 import projectzombie.model.Model;
@@ -13,42 +12,21 @@ import projectzombie.util.math.random.RandomHelpers;
 import projectzombie.world.chunk.Chunk;
 import projectzombie.world.layer.Layer;
 
-public class ParticleLava extends EntityParticle implements EntityHeight
+public class ParticleLava extends EntityParticle
 {
 	private static Random rand = new Random();
-	private Vec3d velocity;
-	private double height = 0;
 	
-	@Override
+	public ParticleLava(Vec3d pos, Vec3d velocity) {
-	public double getHeight() {
+		super(pos, velocity.add(MathHelpers.moveTowards3(0.05, new Vec2d(Math.toRadians(
-		return height;
+				RandomHelpers.randrange(rand, 360)), Math.toRadians(RandomHelpers.randrange(rand, 0, 45))))));
-	}
-	
-	@Override
-	public void setHeight(double height) {
-		this.height = height;
-	}
-	
-	public ParticleLava(Vec2d pos) {
-		super(pos);
-		
-		// Set the velocity
-		velocity = MathHelpers.moveTowards3(0.05, new Vec2d(Math.toRadians(
-				RandomHelpers.randrange(rand, 360)), Math.toRadians(RandomHelpers.randrange(rand, 0, 45))));
 	}
 		
 	@Override
 	public void tick(Chunk chunk, Layer layer) {
 		super.tick(chunk, layer);
 		
-		// Add the velocity
-		velocity.z -= MathHelpers.FallSpeed;
-		pos.x += velocity.x;
-		pos.y += velocity.y;
-		height += velocity.z;
-		
 		// Is the height below 0; destroy this particle
-		if(height < -1) {
+		if(getPos().y < -1) {
 			kill();
 		}
 		

src/projectzombie/entity/particle/ParticleSmoke.java

@@ -1,8 +1,8 @@
 package projectzombie.entity.particle;
 
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.Main;
-import projectzombie.entity.EntityHeight;
 import projectzombie.entity.EntityParticle;
 import projectzombie.init.Models;
 import projectzombie.model.Model;
@@ -10,33 +10,19 @@ import projectzombie.util.math.random.RandomHelpers;
 import projectzombie.world.chunk.Chunk;
 import projectzombie.world.layer.Layer;
 
-public class ParticleSmoke extends EntityParticle implements EntityHeight
+public class ParticleSmoke extends EntityParticle
 {
-	double height = 0;
 	double opacity = 1;
-	double height_speed;
 	double disappear_speed;
 	
 	private Model model;
 
-	@Override
+	public ParticleSmoke(Vec3d pos, Vec3d velocity) {
-	public double getHeight() {
+		super(pos.add(new Vec3d(
-		return height;
+				RandomHelpers.randrange(rand, 1000)/1000.0 - 0.5 + pos.x, 0,
-	}
+				RandomHelpers.randrange(rand, 1000)/1000.0 - 0.5 + pos.y)),
+				velocity.add(new Vec3d(0, (rand.nextDouble() + 0.5) / 250, 0)));
 		
-	@Override
-	public void setHeight(double height) {
-		this.height = height;
-	}
-
-	public ParticleSmoke(Vec2d pos) {
-		super(pos);
-		
-		this.pos = new Vec2d(
-				RandomHelpers.randrange(rand, 1000)/1000.0 - 0.5 + pos.x,
-				RandomHelpers.randrange(rand, 1000)/1000.0 - 0.5 + pos.y);
-		
-		height_speed = (rand.nextDouble() + 0.5) / 250;
 		disappear_speed = (rand.nextDouble() + 0.5) / 1000;
 		model = Models.PARTICLE_SMOKE_RANDOM.getModel();
 	}
@@ -45,11 +31,10 @@ public class ParticleSmoke extends EntityParticle implements EntityHeight
 	public void tick(Chunk chunk, Layer layer) {
 		super.tick(chunk, layer);
 		
-		if(pos.squareDistance(Main.player.pos) > 32 || opacity <= 0 || height > 16) {
+		if(getPos().squareDistance(Main.player.getPos()) > 32 || opacity <= 0 || getPos().y > 16) {
 			kill();
 		}
 		
-		height += height_speed;
 		opacity -= disappear_speed;
 		
 		if(DISABLED) {

src/projectzombie/entity/particle/ParticleSpark.java

@@ -3,40 +3,24 @@ package projectzombie.entity.particle;
 import java.util.Random;
 
 import gl_engine.vec.Vec3d;
-import projectzombie.entity.EntityHeight;
 import projectzombie.entity.EntityParticle;
 import projectzombie.init.Models;
 import projectzombie.model.Model;
 import projectzombie.world.chunk.Chunk;
 import projectzombie.world.layer.Layer;
 
-public class ParticleSpark extends EntityParticle implements EntityHeight
+public class ParticleSpark extends EntityParticle
 {
 	private int time;
-	private double height;
-	private Vec3d velocity;
 	
 	private static final Random rand = new Random();
 
-	@Override
-	public double getHeight() {
-		return height;
-	}
-	
-	@Override
-	public void setHeight(double height) {
-		this.height = height;
-	}
-
 	public ParticleSpark(Vec3d pos) {
-		super(pos.xy());
+		super(pos, new Vec3d(
-		
-		velocity = new Vec3d(
 				rand.nextDouble() * 0.02 - 0.01,
 				rand.nextDouble() * 0.02 - 0.01,
-				rand.nextDouble() * 0.02);
+				rand.nextDouble() * 0.02));
 		
-		height = pos.z;
 		time = 100;
 	}
 	
@@ -44,9 +28,7 @@ public class ParticleSpark extends EntityParticle implements EntityHeight
 	public void tick(Chunk chunk, Layer layer) {
 		super.tick(chunk, layer);
 		
-		// Reduce the size
+		// Reduce the time
-		pos = pos.add(velocity.xy());
-		height += velocity.z;
 		time -= 1;
 		
 		// Kill if at the end of life

src/projectzombie/entity/particle/ParticleWater.java

@@ -5,7 +5,6 @@ import gl_engine.vec.Vec2d;
 import gl_engine.vec.Vec3d;
 import projectzombie.entity.Entity;
 import projectzombie.entity.EntityContainer;
-import projectzombie.entity.EntityHeight;
 import projectzombie.entity.EntityParticle;
 import projectzombie.init.Models;
 import projectzombie.model.IModel;
@@ -15,12 +14,12 @@ import projectzombie.world.layer.Layer;
 
 public class ParticleWater extends ParticleBreak
 {
-	public ParticleWater(Vec2d pos) {
+	public ParticleWater(Vec3d pos, Vec3d velocity) {
-		this(pos, 50);
+		this(pos, velocity, 50);
 	}
 
-	public ParticleWater(Vec2d pos, int count) {
+	public ParticleWater(Vec3d pos, Vec3d velocity, int count) {
-		super(pos, Models.TILE_WATER, count, 0.01);
+		super(pos, velocity, Models.TILE_WATER, count, 0.01);
 	}
 
 }

src/projectzombie/entity/player/EntityPlayer.java

@@ -5,13 +5,13 @@ import bdf.types.BdfObject;
 import gl_engine.MathHelpers;
 import gl_engine.vec.Vec2d;
 import gl_engine.vec.Vec2i;
+import gl_engine.vec.Vec3d;
 import mainloop.task.IMainloopTask;
 import projectzombie.Main;
 import projectzombie.display.DisplayLighting;
 import projectzombie.entity.Entity;
 import projectzombie.entity.EntityAlive;
 import projectzombie.entity.EntityBullet;
-import projectzombie.entity.EntityHeight;
 import projectzombie.entity.EntityInventory;
 import projectzombie.entity.EntityItem;
 import projectzombie.entity.particle.ParticleBreak;
@@ -25,7 +25,7 @@ import projectzombie.util.math.ItemStack;
 import projectzombie.world.chunk.Chunk;
 import projectzombie.world.layer.Layer;
 
-public class EntityPlayer extends Entity implements EntityAlive, EntityInventory, EntityHeight
+public class EntityPlayer extends Entity implements EntityAlive, EntityInventory
 {
 	public boolean MOVE_FORWARD = false;
 	public boolean MOVE_BACKWARD = false;
@@ -37,8 +37,6 @@ public class EntityPlayer extends Entity implements EntityAlive, EntityInventory
 	public Model PLAYER_MOVING = Models.ENTITY_PLAYER_B_W_MOVING;
 	public Model PLAYER_STILL = Models.ENTITY_PLAYER_B_W_STILL;
 	
-	public double height = 0;
-	
 	private int bullet_frequency = 0;
 	private double health_max = 1000;
 	private double health = health_max;
@@ -54,7 +52,6 @@ public class EntityPlayer extends Entity implements EntityAlive, EntityInventory
 	public int gun_level = 0;
 	
 	public double angle;
-	public double speed;
 	
 	private Vec2i last_chunk;
 	
@@ -66,7 +63,6 @@ public class EntityPlayer extends Entity implements EntityAlive, EntityInventory
 	public void BdfClassLoad(BdfObject bdf) {
 		super.BdfClassLoad(bdf);
 		BdfNamedList nl = bdf.getNamedList();
-		height = nl.get("height").getDouble();
 		bullet_frequency = nl.get("bullet_frequency").getInteger();
 		health = nl.get("health").getDouble();
 		dead = nl.get("dead").getBoolean();
@@ -86,7 +82,6 @@ public class EntityPlayer extends Entity implements EntityAlive, EntityInventory
 	public void BdfClassSave(BdfObject bdf) {
 		super.BdfClassSave(bdf);
 		BdfNamedList nl = bdf.getNamedList();
-		nl.set("height", BdfObject.withDouble(height));
 		nl.set("bullet_frequency", BdfObject.withInteger(bullet_frequency));
 		nl.set("health", BdfObject.withDouble(health));
 		nl.set("dead", BdfObject.withBoolean(dead));
@@ -99,7 +94,7 @@ public class EntityPlayer extends Entity implements EntityAlive, EntityInventory
 	}
 	
 	public EntityPlayer() {
-		super(new Vec2d(0, 0));
+		super(new Vec3d(0, 0, 0), new Vec3d(0, 0, 0));
 		
 		this.angle = 45;
 		
@@ -109,7 +104,6 @@ public class EntityPlayer extends Entity implements EntityAlive, EntityInventory
 		goThroughSolid = false;
 		crossUnWalkable = false;
 		emitsLight = true;
-		speed = 0.1;
 		
 		// Create the inventory
 		inventory = new Inventory(10);
@@ -141,7 +135,7 @@ public class EntityPlayer extends Entity implements EntityAlive, EntityInventory
 	@Override
 	public void tick(Chunk chunk, Layer layer)
 	{
-		chunk = layer.getChunk(pos);
+		chunk = layer.getChunk(getPos().xz());
 		
 		if(chunk != null && chunk.c_pos != null && (last_chunk == null || !chunk.c_pos.equal(last_chunk))) {
 			last_chunk = chunk.c_pos;
@@ -153,7 +147,7 @@ public class EntityPlayer extends Entity implements EntityAlive, EntityInventory
 		// Handle player deaths
 		if(health <= 0)
 		{
-			chunk.spawnEntity(new ParticleBreak(pos, getModel()));
+			chunk.spawnEntity(new ParticleBreak(getPos(), getVelocity(), getModel()));
 			
 			if(Cheats.god_mode) {
 				this.resetHealth();
@@ -192,8 +186,8 @@ public class EntityPlayer extends Entity implements EntityAlive, EntityInventory
 		super.tick(chunk, layer);
 		
 		double temp_diff = MathHelpers.biggest(
-				layer.layergen.getTemperatureDynamic(layer, pos),
+				layer.layergen.getTemperatureDynamic(layer, getPos().xz()),
-				chunk.getLightLevel(pos.toInt()) * 0.6) - temperature;
+				chunk.getLightLevel(getPos().xz().toInt()) * 0.6) - temperature;
 		
 		temperature += temp_diff / 1000;
 		hydration -= Math.sqrt(Math.abs(temperature - 0.5)) / 5000;
@@ -247,19 +241,18 @@ public class EntityPlayer extends Entity implements EntityAlive, EntityInventory
 			return;
 		}
 		
-		chunk.spawnEntity(new ParticleBreak(pos, getModel()));
+		chunk.spawnEntity(new ParticleBreak(getPos(), getVelocity(), getModel()));
 		
 		dead = true;
 	}
 	
-	@Override
 	public void moveTowards(double angle, double speed) {
 		if(dead || in_animation) return;
-		super.moveTowards(angle, speed);
+		super.push(MathHelpers.moveTowards2(speed, Math.toRadians(angle)).xny());
 	}
 	
 	public void moveTowards(double angle) {
-		this.moveTowards(angle, 0.08);
+		this.moveTowards(angle, 0.02);
 	}
 	
 	public void fireBullet(double angle)
@@ -277,8 +270,9 @@ public class EntityPlayer extends Entity implements EntityAlive, EntityInventory
 			
 			// Summon bullets at this angle relative to the player
 			int d = (int)(1 + gun_level / 4.0);
-			Main.world.getLayer().spawnEntity(new EntityBullet(pos.copy(), this, angle + this.angle,
+			Vec3d bullet_velocity = getVelocity().add(MathHelpers.moveTowards2(0.2, Math.toRadians(angle + this.angle)).xny());
-					20*d*d, 60).withHeight(0, height));
+			Vec3d bullet_pos = getPos().add(new Vec3d(0, 0.4, 0));
+			Main.world.getLayer().spawnEntity(new EntityBullet(bullet_pos, bullet_velocity, this, 20*d*d, 60));
 		}
 	}
 	
@@ -340,32 +334,17 @@ public class EntityPlayer extends Entity implements EntityAlive, EntityInventory
 		
 		if(!i.isEmpty())
 		{
-			EntityItem e = new EntityItem(pos.copy(), new ItemStack(i.item, 1, i.meta));
+			EntityItem e = new EntityItem(getPos(), getVelocity(), new ItemStack(i.item, 1, i.meta), Math.toRadians(angle));
-			e.angle = angle;
 			Main.world.getLayer().spawnEntity(e);
 			i.count -= 1;
 		}
 	}
 	
-	@Override
-	public void push(double amount, double angle) {
-	}
-	
 	@Override
 	public int bloodParticles() {
 		return 12;
 	}
 
-	@Override
-	public double getHeight() {
-		return height;
-	}
-
-	@Override
-	public void setHeight(double height) {
-		this.height = height;
-	}
-
 	@Override
 	public Model getModel() {
 		return moving ? PLAYER_MOVING : PLAYER_STILL;

src/projectzombie/init/Models.java

@@ -50,7 +50,7 @@ public class Models
 	public static final Model ENTITY_DUMMY	= new ModelVertical(Resources.ATLAS.get("/entity/dummy.png"));
 	public static final Model ENTITY_GRAPPLING_HOOK	= new ModelVertical(Resources.ATLAS.get("/entity/grappling_hook.png"));
 	
-	public static final Model PARTICLE_BLOOD = new ModelVertical(Resources.ATLAS.get("/particle/blood.png"), new Vec2d(0.1, 0.1));
+	public static final Model PARTICLE_BLOOD = new ModelVertical(Resources.ATLAS.get("/particle/blood.png"), new Vec2d(1, 1));
 	public static final Model PARTICLE_LAVA = new ModelVertical(Resources.ATLAS.get("/particle/lava.png"), new Vec2d(0.1, 0.1));
 	public static final Model PARTICLE_WATER = new ModelVertical(Resources.ATLAS.get("/particle/water.png"), new Vec2d(0.1, 0.1));
 	public static final Model PARTICLE_SMOKE_TRAIL = new ModelVertical(Resources.ATLAS.get("/particle/smoke_trail.png"), new Vec2d(0.1, 0.1));

src/projectzombie/items/ItemFlare.java

@@ -19,7 +19,7 @@ public class ItemFlare extends Item
 	@Override
 	public void onPlayerAction(ItemStack stack, Layer layer, Chunk chunk, EntityPlayer player) {
 		super.onPlayerAction(stack, layer, chunk, player);
-		layer.spawnEntity(new EntityFlare(player.pos.copy(), player.angle));
+		layer.spawnEntity(new EntityFlare(player.getPos(), player.getVelocity(), player.angle));
 	}
 
 	@Override

src/projectzombie/items/ItemGrapplingHook.java

@@ -2,6 +2,7 @@ package projectzombie.items;
 
 import gl_engine.MathHelpers;
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.entity.EntityGrapplingHook;
 import projectzombie.entity.player.EntityPlayer;
 import projectzombie.init.Models;
@@ -27,8 +28,7 @@ public class ItemGrapplingHook extends Item
 	public void onPlayerAction(ItemStack stack, Layer layer, Chunk chunk, EntityPlayer player) {
 		super.onPlayerAction(stack, layer, chunk, player);
 		
-		Vec2d pos = player.pos.add(MathHelpers.moveTowards2(0.01, Math.toRadians(player.angle)));
+		layer.spawnEntity(new EntityGrapplingHook(player.getPos(), stack.meta, player));
-		layer.spawnEntity(new EntityGrapplingHook(new Vec2d(pos.x, pos.y), stack.meta, player));
 	}
 	
 }

src/projectzombie/items/ItemLantern.java

@@ -26,7 +26,7 @@ public class ItemLantern extends Item
 	@Override
 	public void onPlayerAction(ItemStack stack, Layer layer, Chunk chunk, EntityPlayer player)
 	{
-		Vec2i tpos = new Vec2i(MathHelpers.floor(player.pos.x), MathHelpers.floor(player.pos.y));
+		Vec2i tpos = new Vec2i(MathHelpers.floor(player.getPos().x), MathHelpers.floor(player.getPos().z));
 		if(layer.getFrontTile(tpos).tile == Tiles.VOID) {
 			layer.setFrontTile(Tiles.LANTERN.getDefaultState(), tpos);
 			super.onPlayerAction(stack, layer, chunk, player);

src/projectzombie/items/ItemSpawn.java

@@ -1,6 +1,7 @@
 package projectzombie.items;
 
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.entity.player.EntityPlayer;
 import projectzombie.util.math.ItemStack;
 import projectzombie.world.chunk.Chunk;
@@ -12,10 +13,10 @@ public abstract class ItemSpawn extends Item
 	public void onPlayerAction(ItemStack stack, Layer layer, Chunk chunk, EntityPlayer player) {
 		super.onPlayerAction(stack, layer, chunk, player);
 		
-		this.spawnEntity(layer, chunk, player.pos);
+		this.spawnEntity(layer, chunk, player.getPos(), player.getVelocity());
 	}
 	
-	public void spawnEntity(Layer layer, Chunk chunk, Vec2d pos) {
+	public void spawnEntity(Layer layer, Chunk chunk, Vec3d pos, Vec3d velocity) {
 		
 	}
 }

src/projectzombie/items/ItemTnt.java

@@ -24,7 +24,7 @@ public class ItemTnt extends Item
 	public void onPlayerAction(ItemStack stack, Layer layer, Chunk chunk, EntityPlayer player) {
 		super.onPlayerAction(stack, layer, chunk, player);
 		
-		layer.spawnEntity(new EntityTnt(player.pos.copy(), player.angle, stack.meta, 5000));
+		layer.spawnEntity(new EntityTnt(player.getPos(), player.getVelocity(), player.angle, stack.meta, 5000));
 	}
 
 }

src/projectzombie/items/spawner/ItemSpawnDummy.java

@@ -1,6 +1,7 @@
 package projectzombie.items.spawner;
 
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.entity.EntityDummy;
 import projectzombie.init.Models;
 import projectzombie.items.ItemSpawn;
@@ -17,8 +18,8 @@ public class ItemSpawnDummy extends ItemSpawn
 	}
 	
 	@Override
-	public void spawnEntity(Layer layer, Chunk chunk, Vec2d pos) {
+	public void spawnEntity(Layer layer, Chunk chunk, Vec3d pos, Vec3d velocity) {
-		chunk.spawnEntity(new EntityDummy(new Vec2d(pos.x, pos.y)));
+		chunk.spawnEntity(new EntityDummy(pos, velocity));
 	}
 
 }

src/projectzombie/items/spawner/ItemSpawnZombie.java

@@ -1,6 +1,7 @@
 package projectzombie.items.spawner;
 
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.entity.EntityZombie;
 import projectzombie.init.Models;
 import projectzombie.items.ItemSpawn;
@@ -17,8 +18,8 @@ public class ItemSpawnZombie extends ItemSpawn
 	}
 	
 	@Override
-	public void spawnEntity(Layer layer, Chunk chunk, Vec2d pos) {
+	public void spawnEntity(Layer layer, Chunk chunk, Vec3d pos, Vec3d velocity) {
-		chunk.spawnEntity(new EntityZombie(new Vec2d(pos.x, pos.y)));
+		chunk.spawnEntity(new EntityZombie(pos, velocity));
 	}
 
 }

src/projectzombie/menu/MenuMain.java

@@ -1,5 +1,6 @@
 package projectzombie.menu;
 
+import gl_engine.vec.Vec3d;
 import projectzombie.Main;
 import projectzombie.input.types.InputGUI;
 import projectzombie.menu.gui.ButtonGroup;
@@ -56,7 +57,8 @@ public class MenuMain extends Menu
 		
 		Main.player.angle += 0.05;
 		Main.player.angle %= 360;
-		Main.player.pos.x += 0.005;
+		
+		Main.player.setPos(new Vec3d(Main.player.getPos().x + 0.005, 0, 0));
 	}
 
 }

src/projectzombie/menu/MenuSettings.java

@@ -14,6 +14,7 @@ import projectzombie.menu.gui.components.ButtonBasic;
 import projectzombie.menu.gui.components.ButtonSetting;
 import projectzombie.menu.gui.components.GUIBackToMenu;
 import projectzombie.menu.gui.components.OverlayBackground;
+import projectzombie.settings.Settings;
 import projectzombie.world.chunk.Chunk;
 
 public class MenuSettings extends Menu
@@ -41,6 +42,7 @@ public class MenuSettings extends Menu
 		group.add(new ButtonSetting("FPS: " + (DisplayRenderUI.showFPS ? "On" : "Off"), button -> {
 			DisplayRenderUI.showFPS = !DisplayRenderUI.showFPS;
 			button.setText("FPS: " + (DisplayRenderUI.showFPS ? "On" : "Off"));
+			Settings.update();
 		}));
 		
 		group.add(new ButtonSetting("Pos Indicator: " + (DisplayRenderUI.showPos ? "On" : "Off"),
@@ -48,6 +50,7 @@ public class MenuSettings extends Menu
 		{
 			DisplayRenderUI.showPos = !DisplayRenderUI.showPos;
 			button.setText("Pos Indicator: " + (DisplayRenderUI.showPos ? "On" : "Off"));
+			Settings.update();
 		}));
 		
 		group.add(new ButtonSetting("Render Distance: "+Chunk.RENDER_DISTANCE, button -> {
@@ -56,20 +59,14 @@ public class MenuSettings extends Menu
 				Chunk.RENDER_DISTANCE = 2;
 			}
 			button.setText("Render Distance: "+Chunk.RENDER_DISTANCE);
+			Settings.update();
 		}));
 		
-		group.add(new ButtonSetting("GUI Scale: " + DisplayRenderUI.guiScale, button -> {
+		group.add(new ButtonSetting("Particles: " + qualitySettingToString(!EntityParticle.DISABLED), button ->
-			DisplayRenderUI.guiScale += 1;
-			if(DisplayRenderUI.guiScale > 4) {
-				DisplayRenderUI.guiScale = 1;
-			}
-			button.setText("GUI Scale: " + DisplayRenderUI.guiScale);
-		}));
-		
-		group.add(new ButtonSetting("Particles: " + qualitySettingToString(EntityParticle.DISABLED), button ->
 		{
 			EntityParticle.DISABLED = !EntityParticle.DISABLED;
-			button.setText("Particles: " + qualitySettingToString(EntityParticle.DISABLED));
+			button.setText("Particles: " + qualitySettingToString(!EntityParticle.DISABLED));
+			Settings.update();
 		}));
 		
 		/*group.add(new ButtonSetting("Dynamic Lighting: " + (LightingManager.lightingMode == 0 ? "Fast" : "Fancy"),

src/projectzombie/settings/Settings.java

@@ -37,13 +37,11 @@ public class Settings implements IBdfClassManager
 			DisplayRenderUI.showPos = false;
 		}
 		
-		if(nl.get("gui_scale").getType() == BdfTypes.INTEGER) {
+		if(nl.get("particles").getType() == BdfTypes.BOOLEAN) {
-			DisplayRenderUI.guiScale = nl.get("gui_scale").getInteger();
+			EntityParticle.DISABLED = nl.get("particles").getBoolean();
 		} else {
-			DisplayRenderUI.guiScale = 2;
+			EntityParticle.DISABLED = false;
 		}
-		
-		EntityParticle.DISABLED = nl.get("particles").getBoolean();
 	}
 
 	@Override
@@ -52,7 +50,6 @@ public class Settings implements IBdfClassManager
 		nl.set("render_distance", BdfObject.withInteger(Chunk.RENDER_DISTANCE));
 		nl.set("show_fps", BdfObject.withBoolean(DisplayRenderUI.showFPS));
 		nl.set("show_pos", BdfObject.withBoolean(DisplayRenderUI.showPos));
-		nl.set("gui_scale", BdfObject.withInteger(DisplayRenderUI.guiScale));
 		nl.set("particles", BdfObject.withBoolean(EntityParticle.DISABLED));
 	}
 	

src/projectzombie/tiles/TileBossPortal.java

@@ -4,6 +4,7 @@ import java.util.Random;
 
 import gl_engine.MathHelpers;
 import gl_engine.vec.Vec2i;
+import gl_engine.vec.Vec3d;
 import mainloop.task.IMainloopTask;
 import projectzombie.Main;
 import projectzombie.entity.Entity;
@@ -42,13 +43,13 @@ public class TileBossPortal extends Tile
 		{
 			// Get the player and set some player variables
 			EntityPlayer ep = (EntityPlayer)entity;
-			ep.height = 5;
+			ep.getPos().y = 5;
 			
 			// Create the boss arena
 			LayerGenBossArena layergen = (LayerGenBossArena) LayerGenerators.BOSS_ARENA;
 			layergen.spawnPlayer(ep);
 			layer.setFrontTile(TileState.EMPTY, tpos);
-			layer.spawnEntity(new ParticleBreak(tpos.toDouble(), getModel(state.meta)));
+			layer.spawnEntity(new ParticleBreak(tpos.toDouble().xny(), new Vec3d(0, 0, 0), getModel(state.meta)));
 			
 			int id = Main.world.addLayer(new Layer(rand, layergen));
 			Main.world.setLayer(id);
@@ -68,11 +69,11 @@ public class TileBossPortal extends Tile
 						if(ChunkEventHandler.loaded)
 						{
 							this.velocity -= MathHelpers.FallSpeed;
-							ep.height += this.velocity;
+							ep.getPos().y += this.velocity;
-							if(ep.height <= 0) {
+							if(ep.getPos().y <= 0) {
 								this.velocity *= -0.6;
 								if(this.velocity <= 0.001) {
-									ep.height = 0;
+									ep.getPos().y = 0;
 								}
 							}
 						}
@@ -81,7 +82,7 @@ public class TileBossPortal extends Tile
 				
 				@Override
 				public boolean MainLoopRepeat() {
-					return ep.height > 0 || this.velocity > 0.001;
+					return ep.getPos().y > 0 || this.velocity > 0.001;
 				}
 				
 				@Override

src/projectzombie/tiles/TileChest.java

@@ -4,6 +4,7 @@ import java.util.Random;
 
 import gl_engine.vec.Vec2d;
 import gl_engine.vec.Vec2i;
+import gl_engine.vec.Vec3d;
 import projectzombie.Main;
 import projectzombie.entity.Entity;
 import projectzombie.entity.EntityItem;
@@ -29,7 +30,7 @@ public class TileChest extends Tile implements TileBulletBreakable
 	}
 	
 	private void spawnItem(Chunk chunk, Vec2i pos, ItemStack stack) {
-		chunk.spawnEntity(new EntityItem(new Vec2d(pos.x+0.5, pos.y+0.5), stack));
+		chunk.spawnEntity(new EntityItem(pos.xny().toDouble(), new Vec3d(0, 0, 0), stack));
 	}
 	
 	@Override

src/projectzombie/tiles/TileLadderUp.java

@@ -33,7 +33,7 @@ public class TileLadderUp extends Tile
 			// Cast to player
 			EntityPlayer player = (EntityPlayer)entity;
 			if(player.in_animation) return;
-			player.height = 0;
+			player.getPos().y = 0;
 			player.in_animation = true;
 			
 			// Register the animation
@@ -47,18 +47,18 @@ public class TileLadderUp extends Tile
 					player.moving = true;
 					
 					if(movingPlayer == 0) {
-						player.height += 0.04;
+						player.getPos().y += 0.04;
 					}
 					
 					else if(movingPlayer == 2) {
-						player.height += 0.02;
+						player.getPos().y += 0.02;
 					}
 					
-					if(player.height >= 6 && movingPlayer == 0)
+					if(player.getPos().y >= 8 && movingPlayer == 0)
 					{
 						movingPlayer = 1;
 						Main.world.setLayer(state.meta);
-						player.height = -1;
+						player.getPos().y = -1;
 						
 						if(layer.layergen.destroyOnLeave) {
 							Main.world.removeLayer(state.meta);
@@ -71,10 +71,10 @@ public class TileLadderUp extends Tile
 						MainloopEventHandler.MAINLOOP_EVENT_HANDLER.mspf = 1000/60;
 					}
 					
-					else if(player.height >= 0 && movingPlayer == 2)
+					else if(player.getPos().y >= 0 && movingPlayer == 2)
 					{
 						movingPlayer = 3;
-						player.height = 0;
+						player.getPos().y = 0;
 						player.moving = false;
 						player.in_animation = false;
 					}

src/projectzombie/tiles/TileLantern.java

@@ -2,6 +2,7 @@ package projectzombie.tiles;
 
 import gl_engine.vec.Vec2d;
 import gl_engine.vec.Vec2i;
+import gl_engine.vec.Vec3d;
 import projectzombie.entity.Entity;
 import projectzombie.entity.EntityItem;
 import projectzombie.init.Items;
@@ -29,7 +30,7 @@ public class TileLantern extends Tile
 		super.onActivated(layer, tpos, entity, state);
 		
 		layer.breakFrontTile(tpos);
-		layer.spawnEntity(new EntityItem(new Vec2d(tpos.x + 0.5, tpos.y + 0.5),
+		layer.spawnEntity(new EntityItem(tpos.toDouble().xny(), new Vec3d(0, 0, 0),
 				new ItemStack(Items.LANTERN, 1, (byte)0)));
 	}
 	

src/projectzombie/tiles/TileLava.java

@@ -4,6 +4,7 @@ import java.util.Random;
 
 import gl_engine.vec.Vec2d;
 import gl_engine.vec.Vec2i;
+import gl_engine.vec.Vec3d;
 import projectzombie.entity.Entity;
 import projectzombie.entity.particle.ParticleLava;
 import projectzombie.init.Models;
@@ -41,15 +42,15 @@ public class TileLava extends Tile
 		super.onWalkedOn(chunk, layer, pos, entity, state);
 		
 		// Create a lava particle
-		layer.spawnEntity(new ParticleLava(entity.pos.copy()));
+		layer.spawnEntity(new ParticleLava(entity.getPos(), entity.getVelocity()));
 	}
 	
 	@Override
 	public void tickRandomly(Layer layer, Chunk chunk, TileState state, Vec2i pos) {
 		super.tickRandomly(layer, chunk, state, pos);
 		
-		chunk.spawnEntity(new ParticleLava(new Vec2d(
+		chunk.spawnEntity(new ParticleLava(new Vec3d(
-				pos.x + rand.nextDouble(), pos.y + rand.nextDouble())));
+				pos.x + rand.nextDouble(), 0, pos.y + rand.nextDouble()), new Vec3d(0, 0, 0)));
 	}
 
 }

src/projectzombie/tiles/TileLavaFlow.java

@@ -4,6 +4,7 @@ import java.util.Random;
 
 import gl_engine.vec.Vec2d;
 import gl_engine.vec.Vec2i;
+import gl_engine.vec.Vec3d;
 import projectzombie.entity.particle.ParticleSmoke;
 import projectzombie.init.Models;
 import projectzombie.model.Model;
@@ -32,8 +33,9 @@ public class TileLavaFlow extends Tile
 		super.tickRandomly(layer, chunk, state, pos);
 		
 		if(RandomHelpers.randrange(rand, 5) == 0) {
-			chunk.spawnEntity(new ParticleSmoke(new Vec2d(
+			chunk.spawnEntity(new ParticleSmoke(new Vec3d(
-					pos.x + rand.nextDouble(), pos.y + rand.nextDouble())));
+					pos.x + rand.nextDouble(), 0, pos.y + rand.nextDouble()),
+					new Vec3d(0, 0, 0)));
 		}
 	}
 	

src/projectzombie/tiles/TilePortalDown.java

@@ -33,7 +33,7 @@ public class TilePortalDown extends Tile
 			EntityPlayer player = (EntityPlayer)entity;
 			if(player.in_animation) return;
 			player.in_animation = true;
-			player.height = 0;
+			player.getPos().y = 0;
 			
 			// Register the animation
 			Main.mainloop.register(new IMainloopTask() {
@@ -46,18 +46,18 @@ public class TilePortalDown extends Tile
 					player.moving = true;
 					
 					if(movingPlayer == 0) {
-						player.height -= 0.02;
+						player.getPos().y -= 0.02;
 					}
 					
 					else if(movingPlayer == 2) {
-						player.height -= 0.04;
+						player.getPos().y -= 0.04;
 					}
 					
-					if(player.height < -1 && movingPlayer == 0)
+					if(player.getPos().y < -1 && movingPlayer == 0)
 					{
 						movingPlayer = 1;
 						Main.world.setLayer(state.meta);
-						player.height = 6;
+						player.getPos().y = 8;
 						
 						if(layer.layergen.destroyOnLeave) {
 							Main.world.removeLayer(state.meta);
@@ -104,10 +104,10 @@ public class TilePortalDown extends Tile
 						}
 					}
 					
-					else if(player.height < 0 && movingPlayer == 2)
+					else if(player.getPos().y < 0 && movingPlayer == 2)
 					{
 						movingPlayer = 3;
-						player.height = 0;
+						player.getPos().y = 0;
 						player.moving = false;
 						player.in_animation = false;
 					}

src/projectzombie/tiles/TileRock.java

@@ -2,6 +2,7 @@ package projectzombie.tiles;
 
 import gl_engine.vec.Vec2d;
 import gl_engine.vec.Vec2i;
+import gl_engine.vec.Vec3d;
 import projectzombie.entity.Entity;
 import projectzombie.entity.EntityItem;
 import projectzombie.init.Items;
@@ -31,7 +32,9 @@ public class TileRock extends Tile implements TileBulletBreakable
 		super.onActivated(layer, tpos, entity, state);
 		
 		layer.breakFrontTile(tpos);
-		layer.spawnEntity(new EntityItem(new Vec2d(tpos.x + 0.5, tpos.y + 0.5), new ItemStack(Items.ROCK, 1, (byte)0)));
+		layer.spawnEntity(
+				new EntityItem(new Vec3d(tpos.x + 0.5, 0, tpos.y + 0.5),
+				new Vec3d(0, 0, 0), new ItemStack(Items.ROCK, 1, (byte)state.meta)));
 	}
 	
 	@Override

src/projectzombie/tiles/TileWater.java

@@ -1,6 +1,7 @@
 package projectzombie.tiles;
 
 import gl_engine.vec.Vec2i;
+import gl_engine.vec.Vec3d;
 import projectzombie.entity.Entity;
 import projectzombie.entity.particle.ParticleWater;
 import projectzombie.init.Models;
@@ -24,7 +25,7 @@ public class TileWater extends Tile
 		super.onWalkedOn(chunk, layer, pos, entity, state);
 		
 		// Spawn some water particles
-		layer.spawnEntity(new ParticleWater(pos.toDouble()));
+		layer.spawnEntity(new ParticleWater(pos.toDouble().xny(), new Vec3d(0, 0, 0)));
 	}
 	
 	@Override

src/projectzombie/util/math/astar/AStar.java

@@ -2,20 +2,22 @@ package projectzombie.util.math.astar;
 import java.util.ArrayList;
 import java.util.List;
 
+import gl_engine.MathHelpers;
 import gl_engine.vec.Vec2i;
 
 class Node
 {
 	int x, y;
-	int g, h;
+	int g, h, s;
 	Node parent;
 	
-	public Node(Node parent, int x, int y, int g, int h) {
+	public Node(Node parent, int x, int y, int g, int h, int s) {
 		this.parent = parent;
 		this.x = x;
 		this.y = y;
 		this.g = g;
 		this.h = h;
+		this.s = s;
 	}
 }
 
@@ -53,10 +55,10 @@ public class AStar
 		}
 		
 		this.goal = goal;
-		this.open = new ArrayList<Node>();
+		this.open = new ArrayList<Node>(radius*4);
-		this.closed = new ArrayList<Node>();
+		this.closed = new ArrayList<Node>(radius*4);
 		
-		now = new Node(null, start.x, start.y, 0, 0);
+		now = new Node(null, start.x, start.y, 0, 0, 1);
 		closed.add(now);
 		
 		addNeighboursToList();
@@ -67,21 +69,14 @@ public class AStar
 			if(found != null)
 			{
 				Node n = found;
+				Vec2i[] path = new Vec2i[n.s];
 				
-				ArrayList<Vec2i> path = new ArrayList<Vec2i>();
+				for(int i=0;n!=null;i++) {
-				
+					path[i] = new Vec2i(n.x, n.y);
-				while(n != null) {
-					path.add(new Vec2i(n.x, n.y));
 					n = n.parent;
 				}
 				
-				Vec2i[] path2 = new Vec2i[path.size()];
+				return path;
-				
-				for(int i=0;i<path2.length;i++) {
-					path2[(path2.length - 1) - i] = path.get(i);
-				}
-				
-				return path2;
 			}
 			
 			int nid = getEasiestNode();
@@ -146,7 +141,7 @@ public class AStar
 			}
 			
 			// Create a new node
-			Node node = new Node(now, x, y, g(weight, x, y), h(x, y));
+			Node node = new Node(now, x, y, g(weight, x, y), h(x, y), now.s + 1);
 			
 			if(x == goal.x && y == goal.y) {
 				found = node;

src/projectzombie/util/math/astar/AStarSearcher.java

@@ -32,11 +32,11 @@ public class AStarSearcher implements AStarSearch
 			}
 		}
 		
-		if(tsf.tile.tileSolid || tsb.tile.tileSolid) {
+		if(tsf.tile.tileHitbox > 0 || tsb.tile.tileHitbox > 0) {
-			return 100;
+			return 80;
 		}
 		
-		if(tsf.tile.tileHitbox > 0 || tsb.tile.tileHitbox > 0) {
+		if(tsf.tile.tileSolid || tsb.tile.tileSolid) {
 			return 100;
 		}
 		

src/projectzombie/world/chunk/Chunk.java

@@ -13,10 +13,11 @@ import gl_engine.range.Range2i;
 import gl_engine.texture.TextureRef3D;
 import gl_engine.vec.Vec2d;
 import gl_engine.vec.Vec2i;
+import gl_engine.vec.Vec3d;
+import projectzombie.Main;
 import projectzombie.display.Camera;
 import projectzombie.entity.Entity;
 import projectzombie.entity.EntityAlive;
-import projectzombie.entity.EntityHeight;
 import projectzombie.entity.EntityHoldsEntities;
 import projectzombie.entity.EntityKillWithParticles;
 import projectzombie.entity.particle.ParticleBreak;
@@ -192,7 +193,7 @@ public class Chunk implements IBdfClassManager
 			}
 			
 			IModel model = e.getModel();
-			double h = 0;
+			Vec3d pos = e.getPos();
 			
 			if(e instanceof EntityHoldsEntities) {
 				renderEntities(((EntityHoldsEntities) e).getEntities());
@@ -203,12 +204,10 @@ public class Chunk implements IBdfClassManager
 				continue;
 			}
 			
-			if(e instanceof EntityHeight) {
-				h = ((EntityHeight)e).getHeight();
-			}
-			
 			// Render the model
-			model.setModel(Matrix4.translate(e.pos.x - 0.5, h, e.pos.y - 0.5));
+			model.setModel(Matrix4.translate(
+					(pos.x - Camera.camera.cx * 16) - 0.5, pos.y,
+					(pos.z - Camera.camera.cy * 16) - 0.5));
 			model.render();
 		}
 	}
@@ -291,7 +290,7 @@ public class Chunk implements IBdfClassManager
 		}
 		
 		// Render all the tiles in the chunk as a block
-		model.setModel(Matrix4.translate(c_pos.x * 16, 0, c_pos.y * 16));
+		model.setModel(Matrix4.translate((c_pos.x - Camera.camera.cx) * 16, 0, (c_pos.y - Camera.camera.cy) * 16));
 		model.render();
 		
 		renderEntities(entities.toArray());
@@ -338,8 +337,8 @@ public class Chunk implements IBdfClassManager
 			// Has the entity left the chunk
 			int cx = c_pos.x * CHUNK_SIZE.mx;
 			int cy = c_pos.y * CHUNK_SIZE.my;
-			double px = e.pos.x;
+			double px = e.getPos().x;
-			double py = e.pos.y;
+			double py = e.getPos().z;
 			if(px > cx + CHUNK_SIZE.mx || px < cx || py > cy + CHUNK_SIZE.my || py < cy)
 			{
 				// Process the entity by layer and remove the entity from the array
@@ -435,7 +434,7 @@ public class Chunk implements IBdfClassManager
 		
 		if(!ts.tile.unbreakable) {
 			setBackTile(layer.layergen.getTileDestroyed(), pos);
-			spawnEntity(new ParticleBreak(new Vec2d(pos.x + 0.5, pos.y + 0.5), ts.tile.getModel(ts.meta)));
+			spawnEntity(new ParticleBreak(new Vec3d(pos.x + 0.5, 0, pos.y + 0.5), new Vec3d(0, 0, 0), ts.tile.getModel(ts.meta)));
 		}
 	}
 	
@@ -446,7 +445,7 @@ public class Chunk implements IBdfClassManager
 		
 		if(!ts.tile.unbreakable) {
 			setFrontTile(Tiles.VOID.getDefaultState(), pos);
-			spawnEntity(new ParticleBreak(new Vec2d(pos.x + 0.5, pos.y + 0.5), ts.tile.getModel(ts.meta)));
+			spawnEntity(new ParticleBreak(new Vec3d(pos.x + 0.5, 0, pos.y + 0.5), new Vec3d(0, 0, 0), ts.tile.getModel(ts.meta)));
 		}
 	}
 	
@@ -527,13 +526,15 @@ public class Chunk implements IBdfClassManager
 		// Loop over the entities
 		for(Entity e : entities)
 		{
+			Vec2d epos = e.getPos().xz();
+			
 			if(
-				e.pos.x + distance > pos.x &&
+				epos.x + distance > pos.x &&
-				e.pos.x - distance < pos.x &&
+				epos.x - distance < pos.x &&
-				e.pos.y + distance > pos.y &&
+				epos.y + distance > pos.y &&
-				e.pos.y - distance < pos.y
+				epos.y - distance < pos.y
 			) {
-				if(MathHelpers.distance2d(e.pos.x, e.pos.y, pos.x, pos.y) < distance) {
+				if(MathHelpers.distance2d(pos.x, pos.y, pos.x, pos.y) < distance) {
 					nearby_entities.add(e);
 				}
 			}

src/projectzombie/world/chunk/ChunkEventHandler.java

@@ -2,6 +2,7 @@ package projectzombie.world.chunk;
 
 import gl_engine.MathHelpers;
 import gl_engine.vec.Vec2i;
+import gl_engine.vec.Vec3d;
 import mainloop.task.IMainloopTask;
 import projectzombie.Main;
 import projectzombie.display.DisplayLighting;
@@ -27,6 +28,7 @@ public class ChunkEventHandler implements IMainloopTask
 	public void MainLoopUpdate()
 	{
 		// Get the layer
+		Vec3d ppos = Main.player.getPos();
 		Layer layer = Main.world.getLayer();
 		loaded = true;
 		
@@ -34,8 +36,8 @@ public class ChunkEventHandler implements IMainloopTask
 		for(Map2DElement<Chunk> ce : layer.chunks)
 		{
 			// Convert the player pos to x and y
-			int px = (int)Main.player.pos.x / 16;
+			int px = (int)ppos.x / 16;
-			int py = (int)Main.player.pos.y / 16;
+			int py = (int)ppos.z / 16;
 			
 			if(
 				// Is this chunk beyond the simulation distance
@@ -54,8 +56,8 @@ public class ChunkEventHandler implements IMainloopTask
 			for(int y=-Chunk.SIMULATION_DISTANCE;y<Chunk.SIMULATION_DISTANCE;y++)
 			{
 				// Get the chunk based on the player position
-				int cx = MathHelpers.floor(Main.player.pos.x / 16) + x;
+				int cx = MathHelpers.floor(ppos.x / 16) + x;
-				int cy = MathHelpers.floor(Main.player.pos.y / 16) + y;
+				int cy = MathHelpers.floor(ppos.z / 16) + y;
 				Vec2i c_pos = new Vec2i(cx, cy);
 				
 				// Is this chunk not loaded

src/projectzombie/world/layer/Layer.java

@@ -10,6 +10,7 @@ import bdf.types.BdfObject;
 import gl_engine.MathHelpers;
 import gl_engine.vec.Vec2d;
 import gl_engine.vec.Vec2i;
+import gl_engine.vec.Vec3d;
 import projectzombie.Main;
 import projectzombie.display.Camera;
 import projectzombie.entity.Entity;
@@ -51,14 +52,16 @@ public class Layer implements IBdfClassManager
 	
 	public void render(Camera camera)
 	{
+		Vec2d ppos = Main.player.getPos().xz();
+		
 		// Render every chunk in the players render distance
 		int r = Chunk.RENDER_DISTANCE;
 		for(int x=-r;x<=r;x++) {
 			for(int y=-r;y<=r;y++)
 			{
 				// Get the chunk x and y
-				int cx = MathHelpers.floor(Main.player.pos.x / 16) + x;
+				int cx = MathHelpers.floor(ppos.x / 16) + x;
-				int cy = MathHelpers.floor(Main.player.pos.y / 16) + y;
+				int cy = MathHelpers.floor(ppos.y / 16) + y;
 				
 				// Render the chunk
 				chunks.get(new Vec2i(cx, cy)).render(camera);
@@ -186,7 +189,7 @@ public class Layer implements IBdfClassManager
 	public void spawnEntity(Entity entity)
 	{
 		// Get the chunk pos
-		Vec2i c_pos = getChunkPosFromPos(entity.pos);
+		Vec2i c_pos = getChunkPosFromPos(entity.getPos().xz().toInt());
 		
 		// Spawn the entity in the specified chunk
 		chunks.get(c_pos).spawnEntity(entity);
@@ -245,15 +248,17 @@ public class Layer implements IBdfClassManager
 			}
 		}
 		
+		Vec3d ppos = Main.player.getPos();
+		
 		// Check if the player is close enough
 		if(
-			Main.player.pos.x + distance > pos.x &&
+			ppos.x + distance > pos.x &&
-			Main.player.pos.x - distance < pos.x &&
+			ppos.x - distance < pos.x &&
-			Main.player.pos.y + distance > pos.y &&
+			ppos.z + distance > pos.y &&
-			Main.player.pos.y - distance < pos.y
+			ppos.z - distance < pos.y
 		) {
 			// Add the player to the list of entities
-			if(MathHelpers.distance2d(Main.player.pos.x, Main.player.pos.y, pos.x, pos.y) < distance) {
+			if(MathHelpers.distance2d(ppos.x, ppos.z, pos.x, pos.y) < distance) {
 				entities.add(Main.player);
 			}
 		}

src/projectzombie/world/layer/layergen/LayerGenBossArena.java

@@ -19,7 +19,7 @@ public class LayerGenBossArena extends LayerGen implements LayerGenRememberPlaye
 {
 	private final Vec2i center = new Vec2i(0, 0);
 	private final int size = 10;
-	private Vec2d player_pos = new Vec2d(0, 0);
+	private Vec3d player_pos = new Vec3d(0, 0, 0);
 	private Random rand = new Random();
 	
 	public LayerGenBossArena() {
@@ -66,7 +66,7 @@ public class LayerGenBossArena extends LayerGen implements LayerGenRememberPlaye
 				}
 				
 				if(tpos.x == 0 && tpos.y == 0) {
-					chunk.spawnEntity(new EntityBoss(new Vec2d(0, 0)));
+					chunk.spawnEntity(new EntityBoss(new Vec3d(0, 0, 0), new Vec3d(0, 0, 0)));
 				}
 			}
 		}
@@ -103,16 +103,16 @@ public class LayerGenBossArena extends LayerGen implements LayerGenRememberPlaye
 	}
 
 	@Override
-	public Vec2d getPlayerPos() {
+	public Vec3d getPlayerPos() {
 		return player_pos;
 	}
 
 	@Override
 	public void spawnPlayer(EntityPlayer player) {
-		this.player_pos = player.pos;
+		this.player_pos = player.getPos();
-		player.pos = new Vec2d(
+		player.setPos(new Vec3d(
-				RandomHelpers.randrange(rand, -size + 2, size - 2),
+				RandomHelpers.randrange(rand, -size + 2, size - 2), 0,
-				RandomHelpers.randrange(rand, -size + 2, size - 2));
+				RandomHelpers.randrange(rand, -size + 2, size - 2)));
 	}
 	
 	@Override

src/projectzombie/world/layer/layergen/LayerGenCaves.java

@@ -114,13 +114,14 @@ public class LayerGenCaves extends LayerGen
 		}
 		
 		// Spawn entities
-		Entity zombie = new EntityZombie(new Vec2d(
+		Entity zombie = new EntityZombie(new Vec3d(
-				chunk.c_pos.x * 16 + RandomHelpers.randrange(rand, 0, 16),
+				chunk.c_pos.x * 16 + RandomHelpers.randrange(rand, 0, 16), 0,
-				chunk.c_pos.y * 16 + RandomHelpers.randrange(rand, 0, 16)));
+				chunk.c_pos.y * 16 + RandomHelpers.randrange(rand, 0, 16)),
+				new Vec3d(0, 0, 0));
 		
 		if(
-			chunk.getBackTile(new Vec2i((int)zombie.pos.x,
+			chunk.getBackTile(new Vec2i((int)zombie.getPos().x,
-			(int)zombie.pos.y)).tile == getTileDestroyed().tile
+			(int)zombie.getPos().z)).tile == getTileDestroyed().tile
 		) {
 			chunk.spawnEntity(zombie);
 		}
@@ -131,13 +132,17 @@ public class LayerGenCaves extends LayerGen
 	{
 		if(rand.nextDouble() > 0.9)
 		{
-			Entity zombie = new EntityZombie(new Vec2d(
+			Vec3d ppos = Main.player.getPos();
-					RandomHelpers.randrange(rand, (int)Main.player.pos.x - 128, (int)Main.player.pos.x + 128),
-					RandomHelpers.randrange(rand, (int)Main.player.pos.y - 128, (int)Main.player.pos.y + 128)));
 			
+			Entity zombie = new EntityZombie(new Vec3d(
+					RandomHelpers.randrange(rand, (int)ppos.x - 128, (int)ppos.x + 128), 0,
+					RandomHelpers.randrange(rand, (int)ppos.z - 128, (int)ppos.z + 128)),
+					new Vec3d(0, 0, 0));
+			
+			Vec3d zpos = zombie.getPos();
 			boolean exists = false;
 			
-			for(Entity e : layer.getChunk(zombie.pos).entities) {
+			for(Entity e : layer.getChunk(zpos.xz()).entities) {
 				if(e.getClass() == zombie.getClass()) {
 					exists = true;
 					break;
@@ -145,9 +150,9 @@ public class LayerGenCaves extends LayerGen
 			}
 			
 			if(
-				!exists && layer.getBackTile(new Vec2i((int)zombie.pos.x,
+				!exists && layer.getBackTile(new Vec2i((int)zpos.x,
-				(int)zombie.pos.y)).tile == getTileDestroyed().tile &&
+				(int)zpos.z)).tile == getTileDestroyed().tile &&
-				zombie.pos.squareDistance(Main.player.pos) > 32
+				zpos.squareDistance(ppos) > 32
 			) {
 				layer.spawnEntity(zombie);
 			}

src/projectzombie/world/layer/layergen/LayerGenEarth.java

@@ -120,20 +120,23 @@ public class LayerGenEarth extends LayerGen
 	{
 		if(rand.nextDouble() > 0.98 && getEarthLight() < -0.3)
 		{
-			Entity zombie = new EntityZombie(new Vec2d(
+			Vec3d ppos = Main.player.getPos();
-					RandomHelpers.randrange(rand, (int)Main.player.pos.x - 128, (int)Main.player.pos.x + 128),
+			
-					RandomHelpers.randrange(rand, (int)Main.player.pos.y - 128, (int)Main.player.pos.y + 128)));
+			Entity zombie = new EntityZombie(new Vec3d(
+					RandomHelpers.randrange(rand, (int)ppos.x - 128, (int)ppos.x + 128), 0,
+					RandomHelpers.randrange(rand, (int)ppos.y - 128, (int)ppos.y + 128)),
+					new Vec3d(0, 0, 0));
 			
 			boolean exists = false;
 			
-			for(Entity e : layer.getChunk(zombie.pos).entities) {
+			for(Entity e : layer.getChunk(zombie.getPos().xz()).entities) {
 				if(e.getClass() == zombie.getClass()) {
 					exists = true;
 					break;
 				}
 			}
 			
-			if(!exists && zombie.pos.squareDistance(Main.player.pos) > 64) {
+			if(!exists && zombie.getPos().squareDistance(ppos) > 64) {
 				layer.spawnEntity(zombie);
 			}
 		}

src/projectzombie/world/layer/layergen/LayerGenLavaCaves.java

@@ -121,13 +121,17 @@ public class LayerGenLavaCaves extends LayerGen
 	{
 		if(rand.nextDouble() > 0.9)
 		{
-			Entity zombie = new EntityZombieArmored(new Vec2d(
+			Vec3d ppos = Main.player.getPos();
-					RandomHelpers.randrange(rand, (int)Main.player.pos.x - 128, (int)Main.player.pos.x + 128),
-					RandomHelpers.randrange(rand, (int)Main.player.pos.y - 128, (int)Main.player.pos.y + 128)));
 			
+			Entity zombie = new EntityZombieArmored(new Vec3d(
+					RandomHelpers.randrange(rand, (int)ppos.x - 128, (int)ppos.x + 128), 0,
+					RandomHelpers.randrange(rand, (int)ppos.z - 128, (int)ppos.z + 128)),
+					new Vec3d(0, 0, 0));
+			
+			Vec3d zpos = zombie.getPos();
 			boolean exists = false;
 			
-			for(Entity e : layer.getChunk(zombie.pos).entities) {
+			for(Entity e : layer.getChunk(zpos.xz()).entities) {
 				if(e.getClass() == zombie.getClass()) {
 					exists = true;
 					break;
@@ -136,15 +140,15 @@ public class LayerGenLavaCaves extends LayerGen
 			
 			if(!exists)
 			{
-				TileState tsb = layer.getBackTile(new Vec2i((int)zombie.pos.x,
+				TileState tsb = layer.getBackTile(new Vec2i((int)zpos.x,
-						(int)zombie.pos.y));
+						(int)zpos.z));
-				TileState tsf = layer.getFrontTile(new Vec2i((int)zombie.pos.x,
+				TileState tsf = layer.getFrontTile(new Vec2i((int)zpos.x,
-						(int)zombie.pos.y));
+						(int)zpos.z));
 				
 				if(
 						tsb.tile == getTileDestroyed().tile &&
 						tsf.tile == Tiles.VOID &&
-						zombie.pos.squareDistance(Main.player.pos) > 32) {
+						zpos.squareDistance(ppos) > 32) {
 					layer.spawnEntity(zombie);
 				}
 			}

src/projectzombie/world/layer/layergen/LayerGenRememberPlayerPos.java

@@ -1,10 +1,11 @@
 package projectzombie.world.layer.layergen;
 
 import gl_engine.vec.Vec2d;
+import gl_engine.vec.Vec3d;
 import projectzombie.entity.player.EntityPlayer;
 
 public interface LayerGenRememberPlayerPos
 {
-	public Vec2d getPlayerPos();
+	public Vec3d getPlayerPos();
 	public void spawnPlayer(EntityPlayer player);
 }

src/resources/shader/environmentRenderer.fsh

@@ -60,8 +60,8 @@ vec3 interpolate2RGB(float x, float y, vec3 v00, vec3 v01, vec3 v10, vec3 v11) {
 void main()
 {
 	vec4 light = texture(lightmap, vec2(
-		map((pLightMapPos.x), lightmap_offset.x, lightmap_offset.x + lightmap_size.x, 0, 1),
+		map(pLightMapPos.x, lightmap_offset.x, lightmap_offset.x + lightmap_size.x, 0, 1),
-		map((pLightMapPos.z), lightmap_offset.y, lightmap_offset.y + lightmap_size.y, 0, 1)));
+		map(pLightMapPos.z, lightmap_offset.y, lightmap_offset.y + lightmap_size.y, 0, 1)));
 	
 	vec3 light_day = mapVec(scaleLight(light.r), 0, 1, lighting_day_low, lighting_day_high);
 	vec3 light_src = vec3(1, 1, 1) * (scaleLight(light.g) - abs(pLightMapPos.y) * 0.1);