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I'm struggling to find a way to make a part of an image created with copy() transparent. The images are preloaded into an array in setup(). I don't display the original images. I loop through the loaded images in draw() and use copy() to create a resized slice of the images. Is there a way to add transparency to these slices? I could also make the original transparent because it isn't displayed anyway. I tried using tint() in setup before loading but that doesn't work.
Any help is highly appreciated, best, Danielle.