This article shows how to design the behavior of an animated widget using the graph and table representations of a finite state machine.
本文展示了如何使用有限状态机的图、表表示设计一个动画式小部件的行为。
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You can visualize a DirectedGraph as a 2-d graph that has a finite number of Nodes, with each Node located at some Point, and the adjacent Nodes joined (or connected) to each other by Edges.