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Get collision box extents and center from btBvhTriangleMeshShape

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This commit is contained in:
Nelsson Huotari 2021-01-30 16:03:02 +02:00
parent 382324173b
commit 6c0c28c2eb
1 changed files with 11 additions and 1 deletions
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12
components/resource/bulletshapemanager.cpp
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@ -86,7 +86,17 @@ public:
return osg::ref_ptr<BulletShape>();
osg::ref_ptr<BulletShape> shape (new BulletShape);
shape->mCollisionShape = new TriangleMeshShape(mTriangleMesh.release(), true);
btBvhTriangleMeshShape* triangleMeshShape = new TriangleMeshShape(mTriangleMesh.release(), true);
btVector3 aabbMin = triangleMeshShape->getLocalAabbMin();
btVector3 aabbMax = triangleMeshShape->getLocalAabbMax();
shape->mCollisionBox.extents[0] = (aabbMax[0] - aabbMin[0]) / 2.0f;
shape->mCollisionBox.extents[1] = (aabbMax[1] - aabbMin[1]) / 2.0f;
shape->mCollisionBox.extents[2] = (aabbMax[2] - aabbMin[2]) / 2.0f;
shape->mCollisionBox.center = osg::Vec3f( (aabbMax[0] + aabbMin[0]) / 2.0f,
(aabbMax[1] + aabbMin[1]) / 2.0f,
(aabbMax[2] + aabbMin[2]) / 2.0f );
shape->mCollisionShape = triangleMeshShape;
return shape;
}