Take a look at this pic. I want only the eyes to glow without the armor glowing too (The armor got a glossy shader). How can I do that?
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$\begingroup$ For something very similar see this answer: blender.stackexchange.com/a/35448/1853 $\endgroup$– user1853Commented Aug 17, 2015 at 5:54
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$\begingroup$ One simplistic approach could be to use a color or difference key. $\endgroup$– MörköCommented Aug 17, 2015 at 7:47
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1 Answer
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Use a pass index on the material for the eyes.
Enable material index on the layer passes.
Add a ID mask on the compositor and use the number of your material pass index to create a mask for the glow.
EDIT
To make the glow yellow you can add color to the mask and change the final mix node's mode to add:
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$\begingroup$ Almost the answer. It's only the eyes glowing. But they glow white! It'd be nice if you guided me how to make them glow yellow! $\endgroup$– thododoCommented Aug 17, 2015 at 14:12
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$\begingroup$ @thododo see edited answer $\endgroup$– user1853Commented Aug 17, 2015 at 14:58
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$\begingroup$ Straight-forward and cool! Learned a little more! Thank you! @cegaton $\endgroup$– thododoCommented Aug 17, 2015 at 15:28
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$\begingroup$ Before this, I tried RGB curve but didnt come out well LOL $\endgroup$– thododoCommented Aug 17, 2015 at 15:34