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allow incremental refitting of the quantized aabb tree

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ejcoumans
2007-04-10 21:40:43 +00:00
parent 853bafb7ae
commit 2cf026aae3
6 changed files with 153 additions and 55 deletions
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32
src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp
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@@ -28,12 +28,36 @@ btBvhTriangleMeshShape::btBvhTriangleMeshShape(btStridingMeshInterface* meshInte
#ifndef DISABLE_BVH
m_bvh = new btOptimizedBvh();
m_bvh->build(meshInterface,m_useQuantizedAabbCompression);
btVector3 bvhAabbMin,bvhAabbMax;
meshInterface->calculateAabbBruteForce(bvhAabbMin,bvhAabbMax);
m_bvh->build(meshInterface,m_useQuantizedAabbCompression,bvhAabbMin,bvhAabbMax);
#endif //DISABLE_BVH
}
btBvhTriangleMeshShape::btBvhTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression,const btVector3& bvhAabbMin,const btVector3& bvhAabbMax)
:btTriangleMeshShape(meshInterface),m_useQuantizedAabbCompression(useQuantizedAabbCompression)
{
//construct bvh from meshInterface
#ifndef DISABLE_BVH
m_bvh = new btOptimizedBvh();
m_bvh->build(meshInterface,m_useQuantizedAabbCompression,bvhAabbMin,bvhAabbMax);
#endif //DISABLE_BVH
}
void btBvhTriangleMeshShape::partialRefitTree(const btVector3& aabbMin,const btVector3& aabbMax)
{
m_bvh->refitPartial( m_meshInterface,aabbMin,aabbMax );
m_localAabbMin.setMin(aabbMin);
m_localAabbMax.setMax(aabbMax);
}
void btBvhTriangleMeshShape::refitTree()
{
m_bvh->refit( m_meshInterface );
@@ -140,8 +164,12 @@ void btBvhTriangleMeshShape::setLocalScaling(const btVector3& scaling)
{
btTriangleMeshShape::setLocalScaling(scaling);
delete m_bvh;
///rescale aabb, instead of calculating?
m_localAabbMin*=scaling;
m_localAabbMax*=scaling;
m_bvh = new btOptimizedBvh();
m_bvh->build(m_meshInterface,m_useQuantizedAabbCompression);
//rebuild the bvh...
m_bvh->build(m_meshInterface,m_useQuantizedAabbCompression,m_localAabbMin,m_localAabbMax);
}
}