// Sort of a legacy type function call, actually inside Java
// This stuff should be in the paint call
public synchronized void display() {
// clear the screen and draw a yellow square
gl.clear(GL.COLOR_BUFFER_BIT);
// First rectangle
gl.pushMatrix();
gl.translate(-0.5, 0.0, 0.0);
gl.rotate(spin, 0.0, 0.0, 1.0);
gl.rect(-0.5, -0.5, 0.5, 0.5);
gl.popMatrix();
// Second rectangle
gl.pushMatrix();
gl.translate(0.5, 0.0, 0.0);
gl.rotate(-spin, 0.0, 0.0, 1.0);
gl.rect(-0.5, -0.5, 0.5, 0.5);
gl.popMatrix();
gl.flush(); // Make sure all commands have completed.
gl.swap(); // Swap the render buffer with the screen buffer
}
