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ActorPosition or ObjectPosition in a decal material

When using ObjectPositionWS in a decal material then an "undeclared identifier" error shows up. According to the docs that node should output the world-space center position of the object's bounds which is meaningful in case of a decal.

ActorPositionWS compiles but I couldn't make sense of it's behavior: it flashes colors which seem to be dependent of camera orientation and not actor position.

Are these bugs or expected for some reason?

4.7.3 binary, windows 7 64bit

Product Version: Not Selected
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asked Mar 30 '15 at 07:17 AM in Rendering

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