is camera ray

is camera ray



[Blender 2.67] Understanding fac value of Mix Shader in LightPath Info Node Context

Understanding fac value of Mix Shader in LightPath Info Node ContextThis Blender 2.67 Cycles Tutorial explains the fac value of mix shader node of cycles it's usage in context of Lightpath Node. The fac value takes a decimal number which can range from 0 to 1, but in case of LightPath info node, the value becomes boolean which tends to confuse a lot of people.

[Blender 2.65] How to create Invisible Mesh Lights

How to create invisible Mesh Lights in CyclesThis Blender 2.65 Cycles Tutorial illustrates How to create invisible Mesh Lights using Light Path Node, 'Is Camera Ray' as well the Ray visibility options in Object Properties. It also explains the pros and cons of each method

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