17 lines
508 B
Plaintext
17 lines
508 B
Plaintext
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#include "Packages/com.unity.splines/Shader/Spline.cginc"
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#pragma kernel GetPositions
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SplineInfo info = float4(0,0,0,0);
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StructuredBuffer<BezierCurve> curves;
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StructuredBuffer<float> curveLengths;
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RWStructuredBuffer<float3> positions;
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float positionsCount;
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[numthreads(64,1,1)]
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void GetPositions (uint id : SV_DispatchThreadID)
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{
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float curve = SplineToCurveT(info, curveLengths, id/(positionsCount - 1));
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positions[id] = EvaluatePosition(curves[floor(curve) % GetKnotCount(info)], frac(curve));
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}
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