1 thought on “BufferGeometry.prototype.merge not working

  1. Yes. The method does not support indexed buffer geometries. Also buffer geometries can’t be resized. Have a look at the source code so you understand what the method’s limitations are.

    Quite frankly, I can see a compelling argument for removing the method altogether — or perhaps substituting a utility like:

    THREE.BufferGeometryUtils.mergeGeometries( ... )

    which would merge multiple geometries at once, rather than incrementally. But even that method would have significant limitations.

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