Simple OSL Ambient Occlusion

Just because I need one, and also because the AO node in Blender is a little too light, I've made today an Ambient Occlusion Shader with OSL.

It works exactely like a standard Ambient Occlusion, as you could find it in many software.

It works with with colors as well as with Closure.

if you connect use just the ' ColorIn ' or just the ' closureIn ' inputs and connect nothing to 'ColorHit' or 'closureHit'. Then Occlusion will be black.

AO Angle is in RADIANS, 1.0 = 180° AO search.

Maxdistance limit distance of occluding objects.

If you want to not have a distance limit, 0.0 is not infinity. You'll have to enter a very big distance.
This AO shaders needs polygons to be correctely oriented.

You can download it here : OSL Ambient Occlusion

Enjoy !

ADDEDUM : GAO and GAO2 are updated ! Click here to see the new versions GAO1.1 and GAO2.1 !

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