Author: yuantianle

Unity Life Cycle

Here is the official documentation for Unity Life Cycle:

Simplification of Unity Life Cycle

The Unity Life Cycle can be simplified as follows:

• Awake: Called when the script instance is being loaded.
• OnEnable: Called when the object becomes enabled and active.
• Start: Called on the frame when a script is enabled just before any of the Update methods are called the first time.
• FixedUpdate: Called every fixed frame-rate frame.
• Update: Called every frame.
• LateUpdate: Called every frame after Update has finished.
• OnGUI: Called multiple times per frame.
• OnDisable: Called when the behaviour becomes disabled.
• OnDestroy: Called when the script instance is being destroyed.

FixedUpdate vs Update

• FixedUpdate: Use FixedUpdate when dealing with physics or other time-dependent operations. It does not depend on the frame rate.

  

• Update: Use Update when dealing with input or non-physics frame updates. It will be called every frame.

  

Here is the example shows the difference between FixedUpdate and Update:

Original Video:

Reference

• Unity百科之Update和FixedUpdate的区别

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