package movingbox;

import org.lwjgl.LWJGLException;
import org.lwjgl.input.Keyboard;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import org.lwjgl.opengl.GL11;

public class MovingBox {

    public void start() {
        try {
	    Display.setDisplayMode(new DisplayMode(800,600));
	    Display.create();
	} catch (LWJGLException e) {
	    e.printStackTrace();
	    System.exit(0);
	}

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

        float x = 100; float y = 100;
        float xDif = 1;
        float red = 0.5f;
	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)
	    GL11.glColor3f(red,red,1.0f);

	    // draw quad
	    GL11.glBegin(GL11.GL_QUADS);
	        GL11.glVertex2f(x,y);
		GL11.glVertex2f(x+200,y);
		GL11.glVertex2f(x+200,y+200);
		GL11.glVertex2f(x,y+200);
	    GL11.glEnd();


            GL11.glBegin(GL11.GL_QUADS);
	        GL11.glVertex2f(x,y);
		GL11.glVertex2f(x+250,y);
		GL11.glVertex2f(x+250,y+300);
		GL11.glVertex2f(x,y+250);
	    GL11.glEnd();
            if(checkHit(x,y)){
                red+=.005;
                System.out.println("win");
            }
            pollInput(x,y);
	    Display.update();
            if(x>500) xDif = -1;
            if(x<100) xDif = 1;
            x+=xDif;
	}

	Display.destroy();
    }

    public boolean checkHit(float x, float y){
        if(Mouse.isButtonDown(0)){
            int mouseX = Mouse.getX();
            int mouseY = Mouse.getY();
            if(mouseX>x&&mouseX<x+200&&mouseY>200+y&&mouseY<=y+400) return true;
            else return false;
        }
        return false;
    }

    public void pollInput(float xx, float yy) {

        if (Mouse.isButtonDown(0)) {
	    int x = Mouse.getX();
	    int y = Mouse.getY();

	    System.out.println("MOUSE DOWN @ X: " +xx+":"+ x + " Y: "+yy+":" + y);
	}

	if (Keyboard.isKeyDown(Keyboard.KEY_SPACE)) {
	    System.out.println("SPACE KEY IS DOWN");
	}

	while (Keyboard.next()) {
	    if (Keyboard.getEventKeyState()) {
	        if (Keyboard.getEventKey() == Keyboard.KEY_A) {
		    System.out.println("A Key Pressed");
		}
		if (Keyboard.getEventKey() == Keyboard.KEY_S) {
		    System.out.println("S Key Pressed");
		}
		if (Keyboard.getEventKey() == Keyboard.KEY_D) {
		    System.out.println("D Key Pressed");
		}
	    } else {
	        if (Keyboard.getEventKey() == Keyboard.KEY_A) {
		    System.out.println("A Key Released");
	        }
	    	if (Keyboard.getEventKey() == Keyboard.KEY_S) {
		    System.out.println("S Key Released");
		}
		if (Keyboard.getEventKey() == Keyboard.KEY_D) {
		    System.out.println("D Key Released");
		}
	    }
	}
    }
    public static void main(String[] argv) {
        MovingBox displayExample = new MovingBox();
	displayExample.start();
    }
}