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Repeat subsection of texture


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I've been playing with the equivalent of texture atlases, and one limitation seems to be that it's not possible to get the equivalent of WRAP_ADDRESSMODE when using them.


Am I right in thinking that doing this would require a custom shader? I imagine it would require something like "texture.uClamp / texture.vClamp", analogous to uOffset/vOffset except specifying upper limits rather than lower limits of the texture area used. 


Has something like this been worked on before?

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Currently you're right, there is no native way of repeating only a texture's subset on a mesh, so a custom shader is required. This may be a neat addition to the StandardMaterial of BJS though!


Note that OpenGL has a feature called 2D Texture Array that does exactly this, although it is not yet supported in WebGL.

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