package Beispie
	
	init	
		trigger t = CreateTrigger()
		t.addCondition(Condition(function spellCondition))
		t.addAction(function spellStart)
		t.registerAnyUnitEvent(EVENT_PLAYER_UNIT_SPELL_CAST)
		
	function spellCondition() returns boolean
			if GetSpellAbilityId() == 'A002'
				return true
			else
				return false
	
	function spellStart()
		RockThrow rt = new RockThrow()
			
	class RockThrow
		
		timer t
		unit u
		
		construct()
			t = getTimer()
			t.setData(this castTo int)
			t.startPeriodic(0.03, function callCallback) 
			
		private static function callCallback()
			GetExpiredTimer().getData() castTo thistype.callback()
		
		private function callback()
			
endpackage