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DisplacementMapFilter ignores color?
I'm having a bit of trouble implementing a DisplacementMapFilter effect. I've been running some experiments to figure out the root cause, and here it is: the DisplacementMapFilter seems to be completely ignoring the actual color of my displacement map image. Whatever I put into the displacement map, as long as it's set to recognize a channel and offset it, the result is the same: a solid block of displaced pixels, even if the map itself is completely blank.
Does anyone have any idea what's going on?
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