Delete an Object by modifying OnCollide

[Narya]

Hi,
Iam a scripting Noobie.
I was looking for a way to destroy/delete an object by using OnCollide.
I did find a way , on the net, and it involves setting density of the object to 0.(e.this.density =1.0) .This approach appears a bit contrived
Is there any other way?
Rgds
Narya

[T'wind_]

the legit way to do it:

Code: Select all

scene.removeEntity(e.other)

Never use density = 0, it causes a memory leak as objects are set to an invalid state and not cleared from the memory.

[homieeee]

scene.removeEntity(e.other) still causes a memory leak. It's a problem with algodoo, there is no way to delete an object and free memory . So setting density to 0 works just as well as any other type of "deleting".

[FRA32]

Density and removeEntity delete the objects in a nearly identical way, since algodoo can't clear memory properly, and the objects are in fact removed from the scene when they turn invalid by density or similar(exception is when having negative radius/size )

[T'wind_]

I may be wrong, I got the information from Electronicboy.

[hiltropper]

timetolive=0 is also an option, but using density=0 never had any negative effect for me

[FRA32]

I usually take timetolive=0 nowadays since algodoo uses that itself, so it MUST be kinda legit? Well, usually you don't need to worry, since, if there ARE increased memory leak chances on one of the solutions, then you will still see it only after you deleted over about 1000 objects.

[Kilinich]

From my expirience, onCollide=(e)=>{}; timeToLive=0 is safest way to delete object.
Scene.removeEntity cause postStep event skip
Density=0 works well, but there was some negative effects like console warnings...

[icrls984]

I believe you can also remove an object by setting it's inertiamultiplier to 0, but I usually use timetolive.