124 lines
2.8 KiB
Java
124 lines
2.8 KiB
Java
package shootergame.util.gl;
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import static org.lwjgl.opengl.GL11.GL_ALPHA;
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import static org.lwjgl.opengl.GL11.GL_BLEND;
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import static org.lwjgl.opengl.GL11.GL_CULL_FACE;
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import static org.lwjgl.opengl.GL11.GL_DEPTH_TEST;
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import static org.lwjgl.opengl.GL11.GL_QUADS;
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import static org.lwjgl.opengl.GL11.GL_TEXTURE_2D;
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import static org.lwjgl.opengl.GL11.glBegin;
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import static org.lwjgl.opengl.GL11.glColor3d;
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import static org.lwjgl.opengl.GL11.glColor4d;
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import static org.lwjgl.opengl.GL11.glDisable;
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import static org.lwjgl.opengl.GL11.glEnable;
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import static org.lwjgl.opengl.GL11.glEnd;
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import static org.lwjgl.opengl.GL11.glPopMatrix;
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import static org.lwjgl.opengl.GL11.glPushMatrix;
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import static org.lwjgl.opengl.GL11.glRotated;
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import static org.lwjgl.opengl.GL11.glTranslated;
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import static org.lwjgl.opengl.GL11.glVertex2d;
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import static org.lwjgl.opengl.GL11.glVertex3d;
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import shootergame.Main;
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public class GlHelpers
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{
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private static int MATRIX_COUNT = 0;
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public static void checkMatrixCount() {
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if(MATRIX_COUNT != 0) {
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MATRIX_COUNT = 0;
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System.err.println("Matrix count is unbalanced!");
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}
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}
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public static void begin() {
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glBegin(GL_QUADS);
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}
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public static void end() {
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glEnd();
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}
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public static void vertex3(double x, double y, double z) {
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glVertex3d(x/10, y/10, z/10);
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}
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public static void vertex2(double x, double y) {
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int w = Main.window.getWidth();
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int h = Main.window.getHeight();
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double aspect_ratio = ((double)w) / ((double)h);
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glVertex2d(x/10/aspect_ratio, y/10);
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}
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public static void color3(double r, double g, double b) {
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glColor3d(r, g, b);
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}
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public static void color4(double r, double g, double b, double a) {
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glColor4d(r, g, b, a);
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}
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public static void rotate(double a, double x, double y, double z) {
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glRotated(a, x, y, z);
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}
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public static void translate3(double x, double y, double z) {
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glTranslated(x/10, y/10, z/10);
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}
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public static void translate2(double x, double y) {
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glTranslated(x/10, y/10, 0);
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}
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public static void disableCullFace() {
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glDisable(GL_CULL_FACE);
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}
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public static void enableCullFace() {
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glEnable(GL_CULL_FACE);
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}
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public static void disableDepthTest() {
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glDisable(GL_DEPTH_TEST);
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}
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public static void enableDepthTest() {
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glEnable(GL_DEPTH_TEST);
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}
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public static void disableTexture2d() {
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glDisable(GL_TEXTURE_2D);
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}
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public static void enableTexture2d() {
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glEnable(GL_TEXTURE_2D);
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}
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public static void disableAlpha() {
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glDisable(GL_ALPHA);
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}
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public static void enableAlpha() {
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glEnable(GL_ALPHA);
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}
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public static void disableBlend() {
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glDisable(GL_BLEND);
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}
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public static void enableBlend() {
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glEnable(GL_BLEND);
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}
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public static void popMatrix() {
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glPopMatrix();
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MATRIX_COUNT += 1;
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}
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public static void pushMatrix() {
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glPushMatrix();
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MATRIX_COUNT -= 1;
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}
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}
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