Line trace an opacity mask
Is there a way for a line trace to determine whether it's hitting an opaque (white) or transparent (black) part of a masked material applied to a plane?
asked Jul 21 '17 at 03:54 PM in Rendering
option 1. Add some collision primitive(s) (box or sphere) to this actor just on desired part, and detect line trace with it.
option 2. Model mesh that have the same shape as desired image, turn on per poly collision (use complex collision as simple) for it, place it over that mesh as hidden, and detect line trace with it.
answered Jul 21 '17 at 05:00 PM
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