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Question by Dandondelyus · Nov 18, 2010 at 06:38 PM · shadershadow

Shadow catcher - possible?

Hi, Is it possible to have a shader/material that makes the assigned surface only visible where the shadow drops? Something similar to shadow catching in 3D applications.

I'm doing AR project where I want the virtual objects drop their shadows on realtime video feed.

Thank you.

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Answer by Dandondelyus · Nov 22, 2010 at 03:09 AM

This wonderful person (Kragh) has written a shader which is exactly what I was looking for. http://forum.unity3d.com/threads/14438-Matte-Shadow?highlight=matte+shadow

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