This will usually be provided by the Engine.
An optional name allowing the object to be found by name.
Determines when this object will be renderered relative to other objects. Transparent objects are rendered after non-transparent objects.
The attitude (spinor).
The position (vector).
Alias for attitude.
The vector from the tail of the arrow to the head of the arrow.
Alias for position.
Renders this object to the WebGL pipeline.
An arrow with a fixed head and variable length.