修改水

Assets/Obi/Resources/Compute/TetherConstraints.compute

@@ -1,64 +0,0 @@
-#pragma kernel Project
-#pragma kernel Apply
-
-#include "MathUtils.cginc"
-#include "AtomicDeltas.cginc"
-
-StructuredBuffer<int> particleIndices;
-StructuredBuffer<float2> maxLengthScale;
-StructuredBuffer<float> stiffnesses;
-RWStructuredBuffer<float> lambdas;
-
-RWStructuredBuffer<float4> positions;
-StructuredBuffer<float> invMasses;
-
-// Variables set from the CPU
-uint activeConstraintCount;
-float deltaTime;
-float sorFactor;
-
-[numthreads(128, 1, 1)]
-void Project (uint3 id : SV_DispatchThreadID) 
-{
-    unsigned int i = id.x;
-
-    if (i >= activeConstraintCount) return;
-
-    int p1 = particleIndices[i * 2];
-    int p2 = particleIndices[i * 2 + 1];
-
-    float w1 = invMasses[p1];
-    float w2 = invMasses[p2];
-
-    // calculate time adjusted compliance
-    float compliance = stiffnesses[i] / (deltaTime * deltaTime);
-
-    // calculate position and lambda deltas:
-    float4 dist = positions[p1] - positions[p2];
-    float d = length(dist);
-
-    // calculate constraint value (distance - rest length)
-    float constraint = d - (maxLengthScale[i].x * maxLengthScale[i].y);
-
-    if (constraint > 0)
-    {
-        // calculate lambda and position deltas:
-        float dlambda = (-constraint - compliance * lambdas[i]) / (w1 + w2 + compliance + EPSILON);
-        float4 delta = dlambda * dist / (d + EPSILON);
-        lambdas[i] += dlambda;
-        
-        AddPositionDelta(p1, delta * w1);
-    }
-}
-
-[numthreads(128, 1, 1)]
-void Apply (uint3 id : SV_DispatchThreadID) 
-{
-    unsigned int i = id.x;
-   
-    if (i >= activeConstraintCount) return;
-
-    int p = particleIndices[i * 2];
-
-    ApplyPositionDelta(positions, p, sorFactor);
-}