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    Sample TextureCube

    Menu Path : Operator > Sampling > Sample TextureCube

    The Sample TextureCube Operator samples a TextureCube for a specified direction and Mip level. This Operator uses the same Filter Mode and Wrap Mode as the input texture’s import settings.

    This translates to a Sample() call on the texture in High-Level Shading Language (HLSL). For information on the differences between loading and sampling, see Loading and sampling.

    Loading and sampling

    In the Visual Effect Graph, there are multiple Operators that can read texel values from a texture. In the underlying (HLSL), some of them use Load() and others use Sample().

    The differences between the Operators that use Load() and Operators that use Sample() is as follows:

    • Load() does not apply any filtering to the final texel value whereas Sample() uses the same Filter Mode as the target Texture's import settings.
    • Load() does not apply any wrapping and instead returns 0 for coordinates that specify a texel outside the texture. Sample() uses the same Wrap Mode as the target Texture's import settings.
    • Load() uses texel coordinates (in the range of 0 to the texture's width/height minus 1) whereas Sample() uses UV coordinates (in the range of 0-1).

    Operator properties

    Property Type Description
    Texture Texture The TextureCube this Operator samples from.
    UVW Vector3 The direction this Operator uses to sample the TextureCube.
    Mip Level float The mip level this Operator uses for the sampling.
    Property Type Description
    s Vector4 The sampled value from the texture

    Limitations

    This Operator only runs on the GPU, therefore it does not work when plugged into Spawner Context ports.

    In This Article
    • Loading and sampling
    • Operator properties
    • Limitations
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