- 摘要：任何拥有collider component 的都最好加上Rigidbody
- 细节：出于性能考虑，但没有Rigidbody 的物件都认为是static，因为unity认为该物件不需要运动，并把全部static物件cache，如果写script让其运动却不赋予RigidBody，则per frame都要重新计算全部static物件到cache，影响性能，所以赋予Rigidbody给所有运动的物体让unity cache一次所有static物件，不需要重复刷新cache
- 参考：https://unity3d.com/learn/tutorials/projects/roll-ball-tutorial/collecting-pick-objects?playlist=17141
Last active
March 18, 2018 02:30
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Unity 笔记
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