1 thought on “None of merge() calls involving BufferGeometry are working

  1. It does something, but not what people expect / not what Geometry.prototype.merge() does. To get a meaningful result when merging BufferGeometry, you must give an offset; the contents of the first geometry will be replaced with the other’s, starting at that offset. In r91 there will be a warning when calling bufferGeometry.merge() without any offset.

    To losslessly merge BufferGeometries you must pre-allocate size, or (in r91) use —

    BufferGeometryUtils.mergeBufferGeometries( [ geom1, geom2, geom3, ... ] );

    See: #13241

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