Cast Shadow pass using Use Background Shader...AO pass style

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Old 08 August 2006   #1
Cast Shadow pass using Use Background Shader...AO pass style

Yeah I know the title is confusing...

I'm really fond of the ambient occlusion passes and the way you can comp them. I wanted to setup a shadow pass that did the same thing, that is, a white frame with shadows showing in the rgb channels, with a minimal amount of work. I know there are shaders made like Puppet's that do just this, but I wanted to share the technique...

Just assign a Use Background shader on your geometry, and in your camera settings, turn the environment to white, instead of the default black... and thats it!

Edit: Unfortunately, this type of pass won't take into account shadows cast from bumpmaps. It would be nice if there was a shader out there that did this...

Last edited by daddyo : 08 August 2006 at 03:25 AM.
 
Old 08 August 2006   #2
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