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Get collision box extents and center from btBvhTriangleMeshShape
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@ -86,7 +86,17 @@ public:
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return osg::ref_ptr<BulletShape>();
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osg::ref_ptr<BulletShape> shape (new BulletShape);
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shape->mCollisionShape = new TriangleMeshShape(mTriangleMesh.release(), true);
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btBvhTriangleMeshShape* triangleMeshShape = new TriangleMeshShape(mTriangleMesh.release(), true);
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btVector3 aabbMin = triangleMeshShape->getLocalAabbMin();
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btVector3 aabbMax = triangleMeshShape->getLocalAabbMax();
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shape->mCollisionBox.extents[0] = (aabbMax[0] - aabbMin[0]) / 2.0f;
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shape->mCollisionBox.extents[1] = (aabbMax[1] - aabbMin[1]) / 2.0f;
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shape->mCollisionBox.extents[2] = (aabbMax[2] - aabbMin[2]) / 2.0f;
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shape->mCollisionBox.center = osg::Vec3f( (aabbMax[0] + aabbMin[0]) / 2.0f,
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(aabbMax[1] + aabbMin[1]) / 2.0f,
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(aabbMax[2] + aabbMin[2]) / 2.0f );
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shape->mCollisionShape = triangleMeshShape;
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return shape;
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}
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