PencilCode/jquery-turtle — pull request #46 by davidbau (2014-03-11 14:27:07+00:00)
Title: Add Sprite as a base class of Turtle.

This commit rationalizes the class hierarchy of Turtle a bit.

The default shape for a Sprite is a blank 256x256 rectangle
instead of a turtle shape; otherwise it's the same as a Turtle.

A Sprite can also be constructed with an object like this:

s = new Sprite { width: 10, height: 50, color: red }