@Override
	public void update(long now) {

		if(erasing) {
			screenGraphics.setColor(secundaryColor);
			screenGraphics.fillRect(mx-startScreenX-eraserSize/2, my-startScreenY-eraserSize/2, eraserSize, eraserSize);
		}

		//TODO DrawLine
		if(pencilLeftPressed) {

			drawPixel(primaryColor);

		}else if(pencilRightPressed) {

			drawPixel(secundaryColor);

		}
	}