diff --git a/components/resource/bulletshapemanager.cpp b/components/resource/bulletshapemanager.cpp index bcadf51c4e..d1da9090dd 100644 --- a/components/resource/bulletshapemanager.cpp +++ b/components/resource/bulletshapemanager.cpp @@ -86,7 +86,17 @@ public: return osg::ref_ptr(); osg::ref_ptr 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; }