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yaohaosquall

how to control reflection using a reflection map

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Hi~

I'm trying to build a raytrace shader,and I want to control reflection by a reflection map.however, I don't know how to transform the reflection map just like using a environment light.I thoght maybe I can transform the shading points and normals before feeding them into the trace operator,but, is there any easier way to do that?

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read help for environment() function.

"envobj" option.

also search "optional raytrace parameters" in help.

Edited by slayerk

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