HaxeJolt

lib/haxejolt/JoltPhysics/Jolt/Shaders/HairCalculateRenderPositions.h

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+// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
+// SPDX-FileCopyrightText: 2026 Jorrit Rouwe
+// SPDX-License-Identifier: MIT
+
+float3 SkinRenderVertex(uint inVertexIndex)
+{
+	// Calculating resulting render position
+	float3 out_position = float3(0, 0, 0);
+	for (uint idx = inVertexIndex * cHairNumSVertexInfluences, idx_end = idx + cHairNumSVertexInfluences; idx < idx_end; ++idx)
+	{
+		JPH_HairSVertexInfluence inf = gSVertexInfluences[idx];
+		JPH_HairPosition sim_vtx = gPositions[inf.mVertexIndex];
+		out_position += inf.mWeight * (sim_vtx.mPosition + JPH_QuatMulVec3(sim_vtx.mRotation, inf.mRelativePosition));
+	}
+	return out_position;
+}