@pgimeno Thank you for your suggestions! I haven't encountered ImageData:mapPixel before, I'll give it a look. I've tried to use the blendmodes to emulate what Photoshop does but it doesn't seemed to be doing the same thing? When I tried 'multiply' in Lua it just drew a black image... @pedrosgali I'...

I'm working on a something similar to a fish breeding game. Basically I want to create a lot of fish on screen with the same shape but different colours and patterns, and I was wondering what's the best way to do so. Right now what I've come up with is to individually made the images (a base colour,...