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implement GPU breakable constraints

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add GPU fixed constraint
fix performance issue with concave meshes (didn't clear the number of concave-convex pairs, so it increased every frame)
This commit is contained in:
erwincoumans
2013-07-17 16:11:54 -07:00
parent 6d7d2531b5
commit ab125fbb6d
11 changed files with 477 additions and 240 deletions
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2
Demos3/GpuDemos/rigidbody/ConcaveScene.cpp
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@@ -304,7 +304,7 @@ void ConcaveScene::setupScene(const ConstructionInfo& ci)
//float camPos[4]={1,12.5,1.5,0};
m_instancingRenderer->setCameraPitch(45);
m_instancingRenderer->setCameraTargetPosition(camPos);
m_instancingRenderer->setCameraDistance(25);
m_instancingRenderer->setCameraDistance(155);
}

7
Demos3/GpuDemos/rigidbody/GpuRigidBodyDemo.cpp
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@@ -209,6 +209,7 @@ void GpuRigidBodyDemo::clientMoveAndDisplay()
{
B3_PROFILE("stepSimulation");
m_data->m_rigidBodyPipeline->stepSimulation(1./60.f);
}
if (numObjects)
@@ -319,7 +320,8 @@ bool GpuRigidBodyDemo::mouseMoveCallback(float x,float y)
dir *= m_data->m_pickDistance;
newPivotB = rayFrom + dir;
m_data->m_pickPivotInB = newPivotB;
m_data->m_pickConstraint = m_data->m_rigidBodyPipeline->createPoint2PointConstraint(m_data->m_pickBody,m_data->m_pickFixedBody,m_data->m_pickPivotInA,m_data->m_pickPivotInB);
m_data->m_rigidBodyPipeline->copyConstraintsToHost();
m_data->m_pickConstraint = m_data->m_rigidBodyPipeline->createPoint2PointConstraint(m_data->m_pickBody,m_data->m_pickFixedBody,m_data->m_pickPivotInA,m_data->m_pickPivotInB,1e30);
m_data->m_rigidBodyPipeline->writeAllInstancesToGpu();
return true;
}
@@ -398,7 +400,8 @@ bool GpuRigidBodyDemo::mouseButtonCallback(int button, int state, float x, float
pivotInB.w = 0.f;
m_data->m_pickPivotInA = pivotInA;
m_data->m_pickPivotInB = pivotInB;
m_data->m_pickConstraint = m_data->m_rigidBodyPipeline->createPoint2PointConstraint(hitBodyA,m_data->m_pickFixedBody,pivotInA,pivotInB);//hitResults[0].m_hitResult0
m_data->m_rigidBodyPipeline->copyConstraintsToHost();
m_data->m_pickConstraint = m_data->m_rigidBodyPipeline->createPoint2PointConstraint(hitBodyA,m_data->m_pickFixedBody,pivotInA,pivotInB,1e30);//hitResults[0].m_hitResult0
m_data->m_rigidBodyPipeline->writeAllInstancesToGpu();
m_data->m_np->writeAllBodiesToGpu();
m_data->m_pickDistance = (pivotInB-camPos).length();