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tweak OpenCL particle demo

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This commit is contained in:
erwin.coumans
2010-07-24 06:52:55 +00:00
parent 9bee6f6afd
commit 51869dceda
4 changed files with 21 additions and 20 deletions
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24
Demos/ParticlesOpenCL/ParticlesOCL.cl
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@@ -144,34 +144,34 @@ __kernel void kIntegrateMotion( int numParticles,
float4 worldMax = *((__global float4*)(pParams + 2));
if(pos.x < (worldMin.x + particleRad))
if(pos.x < (worldMin.x + 2*particleRad))
{
pos.x = worldMin.x + particleRad;
pos.x = worldMin.x + 2*particleRad;
vel.x *= boundaryDamping;
}
if(pos.x > (worldMax.x - particleRad))
if(pos.x > (worldMax.x - 2*particleRad))
{
pos.x = worldMax.x - particleRad;
pos.x = worldMax.x - 2*particleRad;
vel.x *= boundaryDamping;
}
if(pos.y < (worldMin.y + particleRad))
if(pos.y < (worldMin.y + 2*particleRad))
{
pos.y = worldMin.y + particleRad;
pos.y = worldMin.y + 2*particleRad;
vel.y *= boundaryDamping;
}
if(pos.y > (worldMax.y - particleRad))
if(pos.y > (worldMax.y - 2*particleRad))
{
pos.y = worldMax.y - particleRad;
pos.y = worldMax.y - 2*particleRad;
vel.y *= boundaryDamping;
}
if(pos.z < (worldMin.z + particleRad))
if(pos.z < (worldMin.z + 2*particleRad))
{
pos.z = worldMin.z + particleRad;
pos.z = worldMin.z + 2*particleRad;
vel.z *= boundaryDamping;
}
if(pos.z > (worldMax.z - particleRad))
if(pos.z > (worldMax.z - 2*particleRad))
{
pos.z = worldMax.z - particleRad;
pos.z = worldMax.z - 2*particleRad;
vel.z *= boundaryDamping;
}
// write back position and velocity