Time.fixedTime 固定时间

static var fixedTime : float

Description描述

The time the latest FixedUpdate has started (Read Only). This is the time in seconds since the start of the game.

最近的FixedUpdate已开始的时间（只读）。这是以秒计自游戏开始的时间。

Fixed time is updated in regular intervals (equal to fixedDeltaTime) until time property is reached.

固定时间以定期间隔更新（相当于fixedDeltaTime）直到达到time属性。