Shader Draw Edge

Detects sharp edges of the mesh. I can be used for grunge effect. Fairly clean geometry is needed.


Shader analysis angles between polygons
  

If angle is within defined range, it is colored with a gradient of defined thickness.
  

Marked edge region can be distorted with a nose
  

It can be used in alpha channel to apply a more damaged material over edges. On this image Soft Edge was also used.
 
 
 
 
 
 

Draw Edge Shader can be used in any channel, but Color, Diffusion, Reflectance or Alpha are most common choices.

 

 

 

 

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