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    Built In Blocks

    Vertex Blocks

    Name Type Binding Description
    image Position Vector 3 Object Space Position Defines the absolute object space vertex position per vertex.
    image Normal Vector 3 Object Space Normal Defines the absolute object space vertex normal per vertex.
    image Tangent Vector 3 Object Space Tangent Defines the absolute object space vertex tangent per vertex.
    image Color Vector 4 Vertex Color Defines vertex color. Expected range 0 - 1.

    Fragment Blocks

    Name Type Binding Description
    image Base Color Vector 3 None Defines material's base color value. Expected range 0 - 1.
    image Normal (Tangent Space) Vector 3 Tangent Space Normal Defines material's normal value in tangent space.
    image Normal (Object Space) Vector 3 Object Space Normal Defines material's normal value in object space.
    image Normal (World Space) Vector 3 World Space Normal Defines material's normal value in world space.
    image Emission Vector 3 None Defines material's emission color value. Expects positive values.
    image Metallic Float None Defines material's metallic value, where 0 is non-metallic and 1 is metallic.
    image Specular Vector 3 None Defines material's specular color value. Expected range 0 - 1.
    image Smoothness Float None Defines material's smoothness value. Expected range 0 - 1.
    image Ambient Occlusion Float None Defines material's ambient occlusion value. Expected range 0 - 1.
    image Alpha Float None Defines material's alpha value. Used for transparency and/or alpha clip. Expected range 0 - 1.
    image Alpha Clip Threshold Float None Fragments with an alpha below this value are discarded. Expected range 0 - 1.
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