41 lines
1.3 KiB
HLSL
41 lines
1.3 KiB
HLSL
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/******************************************************************************/
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/*
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Project - MudBun
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Publisher - Long Bunny Labs
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http://LongBunnyLabs.com
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Author - Ming-Lun "Allen" Chou
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http://AllenChou.net
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*/
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/******************************************************************************/
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#ifndef MUDBUN_CUSTOM_BONE
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#define MUDBUN_CUSTOM_BONE
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// apply bone weights for this brush
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// keep track of the 4 closest brushes (sorted closest first)
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// typically it should just call blend_bone_weight,
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// unless there's more than one bone for the brush (like a curve with multiple control points)
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void apply_custom_brush_bone_weights
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(
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float3 p, // sample position in world space
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float3 pRel, // sample position in brush space
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SdfBrush brush, // brush data (see BrushDefs.cginc for data layout)
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float brushRes, // signed distance from the brush's surface
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inout float4 boneRes, // signed distances from the 4 closest brushes' surface
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inout int4 boneIndex, // indices of the 4 closest brushes
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inout float4 boneWeight // bone weights of the 4 closest brushes
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)
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{
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switch (brush.type)
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{
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default:
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{
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blend_bone_weights(brushRes, brush, brush.boneIndex, boneRes, boneIndex, boneWeight);
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break;
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}
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}
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}
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#endif
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