while (!Display.isCloseRequested() && !Keyboard.isKeyDown(Keyboard.KEY_ESCAPE)) {
			int dt = getDelta();
			Display.sync(60);
			InputHandler.update(dt, cam, cam.sb);

			glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
			glLoadIdentity();
			cam.useView();
			cam.update(dt);
			for(Block block : blocks){block.draw();};
			floor.draw();

			//Attempt to render 2d over the 3d

			// save your actual projection      mode
			glMatrixMode(GL_PROJECTION);
			glPushMatrix();
			glLoadIdentity();
			glOrtho(0, Display.getWidth(), 0, Display.getHeight(), 1, -1);
			glMatrixMode(GL_MODELVIEW);
			glLoadIdentity();
			glTranslatef(Display.getWidth() / 2, Display.getHeight() / 2, 0.0f);
			glDisable(GL_DEPTH_TEST);

			// draw a cross in centre
            		glColor3f(1,1,1);
            		glBegin(GL_QUADS);
                  		glVertex2f(0f, 0f);
                  		glVertex2f(0.0f, 200f);
                  		glVertex2f(200f, 200.0f);
                  		glVertex2f(200f, 0.0f);
            		glEnd();


			// back to 3D stuff
			glEnable(GL_DEPTH_TEST);
			glMatrixMode(GL_PROJECTION);
			glPopMatrix();
			glMatrixMode(GL_MODELVIEW);
			glPopMatrix();


			Display.update();
`}