Java_Sand_v0.12_OpenGL

package blocks;

import org.lwjgl.LWJGLException;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import org.lwjgl.opengl.GL11;

public class main {
    static int particleSize = 2;
    public void start() {
        try {
        Display.setDisplayMode(new DisplayMode(800,600));
        Display.create();
    } catch (LWJGLException e) {
        e.printStackTrace();
        System.exit(0);
    }

    // init OpenGL
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    GL11.glOrtho(0, 800, 0, 600, 1, -1);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);

    while (!Display.isCloseRequested()) {
        // Clear the screen and depth buffer
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);

        // set the color of the quad (R,G,B,A)


        // draw quad
        for (int i = 0; i <= 200; i += 2 ){
            for (int j = 0; j <= 200; j += 2 ){
                particle(i, j, 0.5f, 0.0f, 0.5f);
            }
        }

        Display.update();
    }

    Display.destroy();
    }
    // renders a square or 'particle' of the color specified at the coordinated provided
    public static void particle(int x, int y, float r, float g, float b) {
        GL11.glColor3f(r,g,b);
        GL11.glBegin(GL11.GL_QUADS);
        GL11.glVertex2f(x*particleSize,y*particleSize);
        GL11.glVertex2f(x*particleSize+particleSize,y*particleSize);
        GL11.glVertex2f(x*particleSize+particleSize,y*particleSize+particleSize);
        GL11.glVertex2f(x*particleSize,y*particleSize+particleSize);
        GL11.glEnd();
    }
    public static void main(String[] argv) {
        main quadExample = new main();
        quadExample.start();
    }
}