Allow fill styles with alpha to simulate translucent apertures. https://stackoverflow.com/questions/2359537/how-to-change-the-opacity-alpha-transparency-of-an-element-in-a-canvas-elemen
Allow fill styles with alpha to simulate translucent apertures.
https://stackoverflow.com/questions/2359537/how-to-change-the-opacity-alpha-transparency-of-an-element-in-a-canvas-elemen