Keyframe 关键帧

struct in UnityEngine

A single keyframe that can be injected into an animation curve.

单个关键帧可以插入动画曲线。

inTangent	Describes the tangent when approaching this point from the previous point in the curve. 描述在曲线上从当前点到接触该点的内切线。
outTangent	Describes the tangent when leaving this point towards the next point in the curve. 描述在曲线上离开该点朝着下一个点外切线。
time	The time of the keyframe. 关键帧的时间。
value	The value of the curve at keyframe. 关键帧的曲线值。

Create a keyframe.
创建关键帧。