Basic functions commonly used in unity

Awake()： Called when the current control script instance is loaded , Used to initialize ;

start()： The current control script is executed for the first time Update() Pre invocation ;

Update()： Once per frame ;

FixedUpdate()： Execute once every fixed frame , and Update() The difference is that FixedUpdate() Is the execution of rendered frames , If rendering efficiency is low ,FixedUpdate() The number of calls will decrease .FixedUpdate() It is more suitable for the calculation of physical engine ,Update() It is more suitable for control .

LateUpdate()： Call after the execution of each frame , That all the Update() Call... Only after , It is more suitable for the execution of command script . It is often used to follow the camera , That is, follow up the camera after all operations , Otherwise, it is easy to appear that the camera has followed up , And there are still some operations in the scene that have not been performed .

Reset()： Click... In editor mode reset Button to call , It is often used for initialization of debugging ;

OnBecameInvisible()、OnBecameVisible()： When script host ( No ) Called when displayed by any camera ;

OnCollisionEntry()、OnCollisionExit()、OnCollisionStay()： Check two Impactor Collide 、 Exit collision 、 Call when staying ;

OnTriggerEntry()、OnTriggerExit()、OnTriggerStay()： Check two trigger Collide 、 Exit collision 、 Call when staying ;

OnParticleCollision()： Triggered when particles hit the collider ;

OnDisable()、OnEnable()： Triggered when the script host is enabled or disabled ;

OnGUI()： draw GUI Trigger when , Generally used for drawing GUI menu ;

Mouse monitoring events , When the mouse and GUI Or when the collision body interacts ：

OnMouseDown()： Trigger when the mouse is pressed ;

OnMouseDrag()： When the mouse is pressed , Every frame calls ;

OnMouseUp()： Trigger when the mouse is raised ;

OnMouseEnter()： Move the mouse to trigger ;

OnMouseExit()： Triggered when the mouse moves out ;

OnMouseOver()： When the mouse is on the game object , Every frame triggers .

OnApplicationFocus()、OnApplicationPause()、OnApplicationQuit()： When the application loses focus 、 Pause 、 Call... On exit ;

OnConnectedToServer()、OnDisconnectedFromServer()： Connect / Called when the server is disconnected ;

OnFailedToConnect()、OnFailedToConnectToMasterServer()： Call... When the connection fails .

Unity The life cycle of the basic function in