Interests Beyond Scratch :: Things I'm Making and Creating :: Is there something like a

Sheep_maker : The touching blocks are very slow because they have to compare every pixel of a sprite. Outside of Scratch, people usually use math for collisions

I'm not exactly sure what you'd want a touching colour thing for. If you want to get the colour of a pixel at a certain point on a <canvas>, you can use ctx.getImageData(x, y, 1, 1)

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