clone method

Implementation

@override
BufferAttribute clone([Map<String,dynamic>? data]) {
	if ( data == null ) {
		List<double> array = [];

		for ( int i = 0; i < this.count; i ++ ) {
			final index = i * this.data!.stride + this.offset;
			for ( int j = 0; j < this.itemSize; j ++ ) {
				array.add( this.data!.array[ index + j ].toDouble() );
			}
		}
		return Float32BufferAttribute.fromList(array, this.itemSize, this.normalized );
	}
  else {
		if ( data['interleavedBuffers'] == null ) {
			data['interleavedBuffers'] = {};
		}
		if ( data['interleavedBuffers'][ this.data!.uuid ] == null ) {
			data['interleavedBuffers'][ this.data!.uuid ] = this.data!.clone( data );
		}
		return new InterleavedBufferAttribute( data['interleavedBuffers'][ this.data!.uuid ], this.itemSize, this.offset, this.normalized );
	}
}