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add Thomas Jacobsen / position based dynamics cloth constraint solver

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This commit is contained in:
erwincoumans
2013-09-06 19:50:58 -07:00
parent 8faac34801
commit 40acf922e3
5 changed files with 94 additions and 18 deletions
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13
Demos3/CpuDemos/deformable/ExplicitEuler.cpp
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@@ -6,7 +6,7 @@
void ExplicitEuler::computeForces(struct CpuSoftClothDemoInternalData* clothData, char* vertexPositions, int vertexStride, float dt)
void ExplicitEuler::computeGravityForces(struct CpuSoftClothDemoInternalData* clothData, char* vertexPositions, int vertexStride, float dt)
{
B3_PROFILE("computeForces");
@@ -24,11 +24,11 @@ void ExplicitEuler::computeForces(struct CpuSoftClothDemoInternalData* clothData
}
}
}
void ExplicitEuler::computeSpringForces(struct CpuSoftClothDemoInternalData* clothData, char* vertexPositions, int vertexStride, float dt)
{
//add spring forces
for(int i=0;i<clothData->m_springs.size();i++)
{
@@ -68,9 +68,7 @@ void ExplicitEuler::computeForces(struct CpuSoftClothDemoInternalData* clothData
}
}
}
}
void ExplicitEuler::integrateExplicitEuler(struct CpuSoftClothDemoInternalData* clothData, char* vertexPositions, int vertexStride,float deltaTime)
{
B3_PROFILE("integrateEuler");
@@ -100,7 +98,8 @@ void ExplicitEuler::integrateExplicitEuler(struct CpuSoftClothDemoInternalData*
void ExplicitEuler::solveConstraints(struct CpuSoftClothDemoInternalData* data, char* vertexPositions, int vertexStride,float deltaTime)
{
computeForces(data,vertexPositions,vertexStride,deltaTime);
computeGravityForces(data,vertexPositions,vertexStride,deltaTime);
computeSpringForces(data,vertexPositions,vertexStride,deltaTime);
integrateExplicitEuler(data,vertexPositions,vertexStride,deltaTime);
}