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Particle Overlay Bend Mode a la Photoshop

Discussion in 'Shaders' started by VICTOM, Sep 8, 2007.

  1. VICTOM

    VICTOM

    Joined:
    Aug 28, 2005
    Posts:
    233
    I've only lightly hacked a shader or two so I need some hand holding on this...

    I want a shader that will multiply the shadows and will inverse of Multiply the highlights.

    The end result would be the PhotoShop blend mode "Overlay". NOT the ShaderLab keyword.

    Also I'd like the ability to set the alpha bend from 0-100%

    How do I go about this? Thank you very much!


    Cheers,
     
  2. forestjohnson

    forestjohnson

    Joined:
    Oct 1, 2005
    Posts:
    1,370
    Try the Particles/MultiplyDouble shader? I think that is close to what you want.