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spawn on press of button

Bowhill GamesBowhill Games Posts: 191Member
edited August 2017 in Working with GS (Mac)

There is obviously something stupid that i am missing i am hoping someone can point out my stupidity.

I have a button that on press i am spawning multiple objects at different locations, the issue is only the first spawn rule seems to trigger which seems crazy as other actions in the same rule work (after all the spawn rules)

I have tried deleting the behaviour and recreating with no joy.

(site currently under construction)


  • tatiangtatiang Posts: 11,907Member, Sous Chef, PRO, Senior Sous-Chef
    edited August 2017

    The "When Touch is Pressed" rule condition is only true in the moment that the actor is clicked/tapped. So if you have something quick like a Change Attribute behavior, it will always complete that behavior but if you have something lengthy like several Spawn Actor behaviors, Timers, Loops, etc., then it won't have time to complete them -- unless the player holds down the click/tap for that long.

    The easiest solution is to wrap everything inside of an After 0 Seconds Timer with "run to completion" checked. Run to completion ensures that behaviors complete even if their rule condition becomes false.

    Another solution is to do something like this:

    When Touch is Pressed
         Change Attribute self.startSpawning to true

    When attribute self.startSpawning is true
         Spawn Actor
         Spawn Actor
         Spawn Actor

    Keep in mind that with this second method, you would need to manually reset the value of self.startSpawning to false at some given time (e.g. with an After ___ seconds timer) to allow it to happen again with the next click/tap.

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