Quaternion.fromBuffer constructor
      
      Quaternion.fromBuffer(
    
- ByteBuffer buffer,
- int offset
Constructs a quaternion with a storage that views given buffer
starting at offset. offset has to be multiple of
Float64List.bytesPerElement.
Implementation
Quaternion.fromBuffer(ByteBuffer buffer, int offset)
    : _qStorage = Float64List.view(buffer, offset, 4);