Difference between revisions of "OnTrigger"

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imported>Kkuhlmann
imported>QQuix
(Clarified the text related to TriggerZones)
 
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'''Syntax:'''
'''Syntax:'''
   begin OnTrigger TriggeringRefID (optional)
   begin OnTrigger ''TriggeringRefID''
'''Example:'''
'''Example:'''
  begin OnTrigger
   begin OnTrigger player  
   begin OnTrigger player  


This block will be run every frame when something triggers the scripted object by colliding with it. If you specify a TriggeringRefID, the block will only run when that specific reference triggers the object; otherwise, the block will run when anything triggers the scripted object.
This block will be run when something triggers the scripted object by colliding with it. If you specify a TriggeringRefID, the block will only run when that specific reference triggers the object; otherwise, the block will run when anything triggers the scripted object.


===See Also===
However, with a TriggerZone, the block will continue running every frame until all triggering refs leave the zone.
* [[OnTriggerEnter]]
 
* [[OnTriggerLeave]]
If you want the code to run only once when triggered, you should specify a variable to register when the zone is triggered and a reset block to turn it off and allow the code to run again later on.  The reset block can either be timed or reset when the cell respawns.
 
 
'''Examples:'''
 
'''Timed Reset'''
short triggered
float timer
begin onTrigger
  if triggered == 0
  'do something
  set triggered to 1
  set timer to 2 ;2 delay before reset
  endif
end
begin gameMode
  if triggered == 1
    if  timer <= 0
      set triggered to 0
    else
      set timer to timer - getSecondsPassed
    endif
  endif
end
 
'''Reset on Cell Respawn'''
short triggered
   
   
begin onTrigger
  if triggered == 0
  'do something
  set triggered to 1
  endif
end
begin onReset
  set triggered to 0
end
==Notes==
*This delay is particularly needed when the TriggerZone is used to move the player. If a [[MoveTo]] is used on the player within the OnTrigger block, the code runs one extra time next frame and, without the delay, will move the player again, and again, ... , causing the game to (pratically) freeze.
==See Also==
[[GetActionRef]]<BR>
[[OnTriggerActor]]
[[Category: Blocktypes]]
[[Category: Blocktypes]]

Latest revision as of 18:35, 30 July 2009

Syntax:

 begin OnTrigger TriggeringRefID

Example:

 begin OnTrigger
 begin OnTrigger player 

This block will be run when something triggers the scripted object by colliding with it. If you specify a TriggeringRefID, the block will only run when that specific reference triggers the object; otherwise, the block will run when anything triggers the scripted object.

However, with a TriggerZone, the block will continue running every frame until all triggering refs leave the zone.

If you want the code to run only once when triggered, you should specify a variable to register when the zone is triggered and a reset block to turn it off and allow the code to run again later on. The reset block can either be timed or reset when the cell respawns.


Examples:

Timed Reset

short triggered
float timer

begin onTrigger
 if triggered == 0
  'do something
  set triggered to 1
  set timer to 2 ;2 delay before reset
 endif
end

begin gameMode
 if triggered == 1
   if  timer <= 0
     set triggered to 0
   else
     set timer to timer - getSecondsPassed
   endif
 endif
end

Reset on Cell Respawn

short triggered

begin onTrigger
 if triggered == 0
  'do something
  set triggered to 1
 endif
end

begin onReset
  set triggered to 0
end

Notes[edit | edit source]

  • This delay is particularly needed when the TriggerZone is used to move the player. If a MoveTo is used on the player within the OnTrigger block, the code runs one extra time next frame and, without the delay, will move the player again, and again, ... , causing the game to (pratically) freeze.


See Also[edit | edit source]

GetActionRef
OnTriggerActor