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Ambiera Forum > CopperCube > Help with CopperCube
physics simulation enabled then node delete but collision remain
Author Text

malik
Registered User
Quote
2022-06-30 21:38:21

Hello,

I enabled physics simulation for my game then when I delete a node, I can still collide with it even when the node disappeared. I searched a little in the forum and saw a fix for this problem is to use ccbUpdatePhysicsGeometry( ).

I would like to know if I do things correctly, I just have to execute javascript every seconds, and I just add the command: ccbUpdatePhysicsGeometry( ) ?

I have to just paste this command and nothing else, or do I have to add something basic around it?

thanks in advance.


VP
Guest
Quote
2022-06-30 22:13:01

You need to pass a command to update the physics geometry every time you move something when physics is enabled.


malik
Registered User
Quote
2022-06-30 22:49:04

I use the command ccbUpdatePhysicsGeometry( ) in javascript. I did it on the scen root node , every 10ms ,execute the javascript command ccbUpdatePhysicsGeometry( ).

It is the right way to do it? At least it does solve my problem but will it cause other problem?


VP
Guest
Quote
2022-07-04 09:15:09

Glad it's working! No, I don't recommend doing it every 10ms for 2 reasons...

1- If you have "many" call events like that, it "can" end up slowing your game down.

2- Using a short delay such as 10ms will use up more resources on slower processors.

Don't be afraid of using "every few seconds" events, but It's best to do a single update immediately after the event whenever you can and save the every few seconds for things that need constant updates. If the game starts to crawl after a lot of development, you can increase the times from 10ms to 30, 50,70,100 etc and it may improve the run-speed of the game.

Personally I use every few seconds extensively, I usually have many events running like this but while the games run on my machine, they tend to struggle and run slow on other machines - so I'm learning to use it less often when possible.

If it works, it's fine - if you run into problems in the future, try adjusting it to single events instead of every few milli-seconds.


malik
Registered User
Quote
2022-07-04 13:46:08

Thanks again VP, very usefull!!


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