表面着色效果器材质插件Things On Surface Shader

The ThingsOnSurface Shader places many many small instances of a brush on the texture. A brief description of its parameters follows.

• Brush:
  Here you put a shader or bitmap which is the "brush" that is distributed over the texture. Alpha channels are passed through.
• Mask:
  Serves as alpha channel if the brush has none.
• Brush Format:
  You must set the width/height ratio of the brush manually in this field.
• BlendMode and Strength:
  Determine how brush instances are blended over each other.
• Brush Size and Variation:
  Control mean brushes average size and deviation in uv texture space
• Size Map:
  Controls brush size by a shader or bitmap.
• Density:
  Density of the brushes on the textures. The shader divides the texture space into a uniform rectangular grid and the density parameter actually determines the mean number of brush instances generated per grid cell. It can also be controlled by a shader or bitmap.
  
  

Note that the shader also generates an own alpha channel, so you can easily stack it on top of other shaders in the layers shader for example.

星空材质着色器插件Extended Starfield

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