2024-06-22 07:24:13 +00:00
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# Material Command List {#mat_commands}
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### vmap_invert
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#### Syntax
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2022-10-03 00:10:54 +00:00
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**vmap_invert**
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2024-06-22 07:24:13 +00:00
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#### Overview
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2022-10-03 00:10:54 +00:00
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Inverts a surface normal. Works on brush faces, models and patches. Used
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in celshading to achieve the inverted backfacing hull.
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Can be used with a material that is targeted by
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[vmap_cloneMaterial](vmap_cloneMaterial)
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for something similar to
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[vmap_backMaterial](vmap_backMaterial).
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