setPositions method
Implementation
LineSegmentsGeometry setPositions(Float32Array lineSegments ) {
final instanceBuffer = new InstancedInterleavedBuffer( lineSegments, 6, 1 ); // xyz, xyz
this.setAttributeFromString( 'instanceStart', new InterleavedBufferAttribute( instanceBuffer, 3, 0 ) ); // xyz
this.setAttributeFromString( 'instanceEnd', new InterleavedBufferAttribute( instanceBuffer, 3, 3 ) ); // xyz
this.computeBoundingBox();
this.computeBoundingSphere();
return this;
}