# 1. 向量的基础

![Image text](image/vector01.JPG)
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![Image text](image/vector03.JPG)
![Image text](image/vector04.JPG)
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![Image text](image/vector07.JPG)
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# 2. 通过输入事件来控制物体移动

![Image text](image/move1.png)
![Image text](image/move2.png)
![Image text](image/move3.png)