了解 Unity 如何处理时间对于确保游戏玩法稳定至关重要。更新以固定的时间间隔发生，以捕获角色位置、生命值、分数等的更改。如果您的代码在错误的更新循环中进行更改，或者没有考虑时间变化，则移动等效果可能会太快、太慢或跳跃而不是平滑。
Time 类包含属性，您可以通过这些属性获取（在某些情况下还可以设置）各种与时间相关的测量值和设置。有关属性及其含义的完整列表，请参阅脚本 API 参考中的 Time。
| 主题 | 描述 |
|---|---|
| 每帧更新 | 每帧发生一次的更新，因此其频率取决于帧率。 |
| 固定更新 | 以可配置的固定时间间隔发生的更新。 |
| 游戏内时间和真实时间 | 游戏内时间和真实时间之间的可配置关系及其潜在影响。 |
| 处理时间变化 | Unity 用于补偿时间和帧率变化以及限制一次性延迟影响的技术。 |
| 捕获帧率 | 在录制游戏视频时补偿帧率。 |
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