package shootergame.util.math.vec;

import shootergame.util.math.MathHelpers;
import shootergame.util.math.range.Range3i;

public class Vec3i
{
	public int x;
	public int y;
	public int z;
	
	public Vec3i(int x, int y, int z)
	{
		this.x = x;
		this.y = y;
		this.z = z;
	}
	
	public double distance(Vec3i other) {
		return MathHelpers.distance3d(x, y, z, other.x, other.y, other.z);
	}
	
	public static double distance(Vec3i v1, Vec3i v2) {
		return v1.distance(v2);
	}
	
	public int getId(Range3i range)
	{
		int id = 0;
		int m = 1;
		
		id += x;
		m = range.mx;
		id += y*m;
		m *= range.my;
		id += z*m;
		
		return id;
	}
	
	public static Vec3i fromId(Range3i range, int id)
	{
		int x = MathHelpers.mod(id, range.mx);
		id -= x;
		id /= range.mx;
		int y = MathHelpers.mod(id, range.my);
		id -= y;
		id /= range.my;
		int z = MathHelpers.mod(id, range.mz);
		
		return new Vec3i(x, y, z);
	}
	
	public boolean equal(Vec3i other) {
		return x == other.x && y == other.y && z == other.z;
	}
	
	public Vec3i add(Vec3i other) {
		return new Vec3i(this.x + other.x, this.y + other.y, this.z + other.z);
	}
	
	public Vec3i subtract(Vec3i other) {
		return new Vec3i(this.x - other.x, this.y - other.y, this.z - other.z);
	}
	
	public Vec3i multiply(Vec3i other) {
		return new Vec3i(this.x * other.x, this.y * other.y, this.z * other.z);
	}
	
	public Vec3i divide(Vec3i other) {
		return new Vec3i(this.x / other.x, this.y / other.y, this.z / other.z);
	}
	
	public Vec3i copy() {
		return new Vec3i(x, y, z);
	}
	
	public int squareDistance(Vec3i other)
	{
		int dx = MathHelpers.positive(other.x - x);
		int dy = MathHelpers.positive(other.y - y);
		int dz = MathHelpers.positive(other.z - z);
		
		if(dx > dy) return dx;
		if(dy > dz) return dy;
		else return dz;
	}
}