 ïðîáëåìà ñ removeChild â ìàññèâå |
Çäðàâñòâóéòå, ãîñòü ( Âõîä | Ðåãèñòðàöèÿ )
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 21.08.2011 - 13:41
Ñîîáùåíèå
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Íîâè÷îê  Ãðóïïà: Íîâè÷îê Ñîîáùåíèé: 1 Ðåãèñòðàöèÿ: 21.08.2011 Ïîëüçîâàòåëü ¹: 10633  |
Ïðèâåò! ß íåäàâíî íà÷àë èçó÷àòü AS3 è â ðåàëèçàöèè ñâîåé ïåðâîãî áîëåå ìåíåå ñåðüåçíîé çàäóìêè ñòîëêíóëñÿ ñ ïðîáëåìîé.
Ïðîåêò - èãðà, ñêðîëëøóòåð. Ïðè êëèêå ðîæäàåòñÿ îáúåêò "Ïóëÿ" è ïðè îïðåäåëåííûõ êîîðäèíàòàõ ( óõîä çà îáëàñòü èãðû) îíà äîëæíà óíè÷òîæèòüñÿ. Âñå îê êîãäà ïóëÿ îäíà. Íî òê ìíå íàäî ÷òîáû ÿ ìîã äåëàòü íåîãðàíè÷åííîå êîëè÷åñòâî âûñòðåëîâ òî ÿ ïîìåùàþ ïóëè â ìàññèâ è êàæäûé êàäð äåëàþ àïäåéò öèêëîì ñòîëüêî ðàç ñîêëüêî ïóëü íà ñöåíå. Íî êîãäà ïóëÿ äîñòèãàåò êîîðäèíàò â êîòîðûõ äîëæíà áûòü óíè÷òîæåíà âîçíèêàåò îøèáêà "ArgumentError: Error #2025: Ïðåäîñòàâëåííûé DisplayObject äîëæåí áûòü äî÷åðíèì ýëåìåíòîì âûçûâàþùåãî îáúåêòà. at flash.display::DisplayObjectContainer/removeChild() at game_fla::MainTimeline/moveBullet()" Ïîíÿòíî ÷òî ÿ êàê òî íåïðàâèëüíî óäàëÿþ. Ïîäñêàæèòå, êàê ïðàâèëüíî ïîæàëóéñòà. Âîò ÷àñòü êîäà î êîòîðîé ÿ ãîâîðþ. Êîä stop(); import flash.events.MouseEvent; import flash.display.MovieClip; import flash.events.Event; var numOfitems:Number=0; var bullets_arr:Array = new Array(); stage.addEventListener (MouseEvent .MOUSE_DOWN , addBullet); function addBullet(c:MouseEvent ):void { var bullet:mc_bullet = new mc_bullet(); addChild(bullet); bullets_arr.push(bullet); numOfitems = bullets_arr.length; } addEventListener(Event.ENTER_FRAME, moveBullet); function moveBullet(e:Event) :void { for(var i:int=0; i < numOfitems; i++ ) { bullets_arr[i].update(); if (bullets_arr[i].y < 200) { removeChild(DisplayObject(bullets_arr[i])); trace("bullet removed by range"); } } } ß íå î÷åíü ïîíèìàþ êòî ÿâëÿåòñÿ âûçûâàþùèì îáúåêòîì äëÿ bullets_arr[i] - bullets_arr? stage? èëè ìîæåò ÿ âîîáùå íåïðàâèëüíî äåëàþ... Òóò ãðàíèöà óñòàíîâëåíà â 200 ïèêñåëåé ñâåðõó äëÿ íàãëÿäíîñòè èñ÷åçàåò ïóëÿ èëè íåò. Ñïàñèáî  |
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24.08.2011 - 10:19
Ñîîáùåíèå
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 Àêòèâèñò Ãðóïïà: Ïîëüçîâàòåëü Ñîîáùåíèé: 987 Ðåãèñòðàöèÿ: 27.02.2009 Èç: Moscow Ïîëüçîâàòåëü ¹: 9144 |
Çàìåòüòå - êîãäà ïóëÿ îäíà - âñ¸ ïðåêðàñíî ðàáîòàåò. Çíà÷èò ñ äî÷åðíîñòüþ äèñïëåéíûõ îáúåêòîâ ïðîáëåì íåò.
Ìíå âîò äâå âåùè íåïîíÿòíû: 1) ×òî äåëàåò ôóíêöèÿ update? 2) Íó èç äèñïëåé-ëèñòà ïóëÿ óäàëÿåòñÿ ÷åðåç removeChild. Íî â ìàññèâå bullets_arr îíà ïî-ïðåæíåìó îñòàåòñÿ! È êîãäà ÂÒÎÐÎÉ ðàç èç ìàññèâà bullets_arr áåðåòñÿ ýòîò îáúåêò, òî îí ÓÆÅ ïîíÿòíî íå ÿâëÿåòñÿ äî÷åðíèì ê ñòåéäæó! NB! 9) Íåîáõîäèìîñòü äåñòðóêòîðîâ |
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1 ÷åë. ÷èòàþò ýòó òåìó (ãîñòåé: 1, ñêðûòûõ ïîëüçîâàòåëåé: 0)
Ïîëüçîâàòåëåé: 0
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Òåêñòîâàÿ âåðñèÿ | Ñåé÷àñ: 17.10.2011 - 21:19 |
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