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为什么只在运动方向?
@mark 说:
只在运动方向?
一般在constant下面有设置g的字典。是一个矢量。
谢谢指点
从X轴进去,g这样设置对吧?
@mark 如果你的g是x轴方向,并且从上向下,应该为(-9.8 0 0) :cheeky:
(-9.8 0 0)
向x轴正方向运动,看来我设置对了:sunglasses: thanks