public void draw(View view, Graphics renderer) {
long elapsedTime = System.nanoTime() - currTime;
currTime += elapsedTime;
renderer.clearTransformation();
renderer.setClearColor(new Color4f(0,1,0,1));
renderer.clear();
// Draw darkness
renderer.fillTriangle(0, 0, 100, 0, 50, 100);
renderer.copyToImage(dark);
renderer.setColor(new Color4f(1,0,0,1));
// renderer.drawLine(201, 100, 201, 200);
renderer.fillTriangle(101, 0, 501, 0, 101, 400);
renderer.setColor(new Color4f(1,1,1,1));
renderer.translate(-102, 0);
renderer.drawImage(dark, 512, 512);
// draw frames per second