角速度(以度/秒为单位)。
与 3D 刚体不同,Rigidbody2D 只能绕一个轴(垂直于平面)旋转,因此角速度只是一个浮点值,而不是一个矢量。通常情况下,该属性的值不是直接设置的,而是通过向刚体施加 torques
间接赋值的。在角阻力 的作用下,角速度会自动减慢。
See Also: velocity, AddTorque, AddForceAtPosition, angularDrag.
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