Add "postUpdate" function into UpdateList module

[Pin-Hua Tien]

"gameObject.preUpdate" function will be invoked in UpdateList.update function, triggered by 'update' event of scene.sys, which is ran before scene.update function (user domain application)

Will it have benefit to add "gameObject.postUpdate" function, triggered by 'postupdate' event of scene.sys which is ran after scene.update function in UpdateList.postUpdate function?

i.e.
1. gameObject.preUpdate
2. scene.update
3. gameObject.postUpdate

[Richard Davey]

Rather than do this automatically for every Game Object, you could make it listen for the event:

this.events.on('postupdate', sprite.postUpdate);

Alternatively, you could extend the UpdateList to make that listen for the Scene postUpdate instead, and then iterate all of its children.

I guess it depends on quantity. If you had loads of sprites needing to do this, I'd extend and use the UpdateList, if it was only a few, I'd just listen for the event directly.

Photon Storm Ltd.

http://www.photonstorm.com

Skype: richard.davey

Twitter: @photonstorm

Registered in England and Wales.

Company ID: 8036404

VAT Number: 136 4333 27

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[rex]

Good suggestion, thank you.

I am trying to build a system which could modify properties of game object in preUpdate function. For example, rotate game object each tick could be encapsulated into a "rotate behavior", i.e. run behavior[i].preUpdate() inside gameobject.preUpdate function. behavior[i].postUpdate() in gameobject.postUpdate() is similar.

Since trigger event should be removed when game object had been destroyed. It is better to extend UpdateList module by myself to support invoking gameobject.postUpdate() function.

BTW, plugin system is useful, it could encapsulate code in scene.update into reuse-able pieces. Thank you to add it in phaser3.



Richard Davey於 2018年2月6日星期二 UTC+8下午7時13分04秒寫道：

Rather than do this automatically for every Game Object, you could make it listen for the event:

this.events.on('postupdate', sprite.postUpdate);

Alternatively, you could extend the UpdateList to make that listen for the Scene postUpdate instead, and then iterate all of its children.

I guess it depends on quantity. If you had loads of sprites needing to do this, I'd extend and use the UpdateList, if it was only a few, I'd just listen for the event directly.

Photon Storm Ltd.

http://www.photonstorm.com

Skype: richard.davey

Twitter: @photonstorm

Registered in England and Wales.

Company ID: 8036404

VAT Number: 136 4333 27

On 6 February 2018 at 09:47, Pin-Hua Tien <binhu...@gmail.com> wrote:

"gameObject.preUpdate" function will be invoked in UpdateList.update function, triggered by 'update' event of scene.sys, which is ran before scene.update function (user domain application)

Will it have benefit to add "gameObject.postUpdate" function, triggered by 'postupdate' event of scene.sys which is ran after scene.update function in UpdateList.postUpdate function?

i.e.
1. gameObject.preUpdate
2. scene.update
3. gameObject.postUpdate

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