I’m making a top-down 2D map and figured it’d be much faster to paint a collision mask to determine where the player can and can’t go. I could then trace from the cam to the mask to determine whether the area was walk-able or not. However I can’t work out how to find the opaque/transparent parts of …

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How to detect transparency or colour on a mask?

Development Rendering

redbox (redbox) May 18, 2018, 11:50am 2

Maybe this will be usefull for you