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Old 02-21-2010, 09:25 AM   #1
lottielottie24
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Join Date: Feb 2010
Posts: 3
Red face [AS3] Help with Side Scrolling Game

Hello,

Im very new to Actionscript but we have been asked to create a side scrolling type game. Im having a little trouble with it, so if anyone could please help then that would be great.

Ive got a 'girl' walking/jumping over buildings and 'flying' monsters. What I need is for the monsters to stop flying when Game Over pops up. I also have a button that you can press to play again but the button doesnt stay on the screen it just flashes up then disapears. What I also need to 3 seperate movie clips for the girl, one for standing, one for walking (Which I have) and one for jumping and then I need them to alternate to the correct one when I use a right/left and up keys. Ill post all my code if thats ok and if anyone wants to see the fla file then I can add that too! Just any help would be great please, ive been struggling for ages with it.


[B]
ActionScript Code:
var _startmarker:startmarker;          var _girl_mc:girl_mc;          var _Boundaries:Boundaries;         var _monster:monster;                  var _vx:Number;          var _vy:Number;                                 _vx = 0;             _vy = 0;             _startmarker.visible = false;             gameOver.visible=false;                                 stage.focus = stage;                                 this.addEventListener(Event.ENTER_FRAME, enterFrameHandler);             stage.addEventListener(KeyboardEvent.KEY_DOWN, keyDownHandler);             stage.addEventListener(KeyboardEvent.KEY_UP, keyUpHandler);                          function enterFrameHandler(e:Event):void         {                         _monster.x-=20;             if(_monster.x<0)             {_monster.x=2100;}                     playagain_btn.visible=false;                 if (_monster.hitTestObject(_girl_mc))         {                         gameOver.visible=true;             playagain_btn.visible=true;                                 playagain_btn.addEventListener(MouseEvent.CLICK, goplay);             function goplay(event:MouseEvent):void{             gotoAndStop(1); }                     }                         _vy += 2;                                     _girl_mc.x += _vx;             _girl_mc.y += _vy;                         processCollisions();                                                                             }          function keyDownHandler(e:KeyboardEvent):void         {             switch (e.keyCode)             {                 case 37:                 _vx = -7;                 break;                                 case 38:                 _vy = -20;                 break;                                 case 39:                 _vx = 7;                 break;                                 default:             }         }                  function keyUpHandler(e:KeyboardEvent):void         {             switch (e.keyCode)             {                 case 37:                 case 39:                 _vx = 0;                 break;                                 default:             }         }                                  function processCollisions():void         {                         if (_vy > 0)             {                                 if (_girl_mc.y > stage.stageHeight)                 {                     _girl_mc.x = _startmarker.x;                     _girl_mc.y = _startmarker.y;                     _Boundaries.x = 0;                     _Boundaries.y = 0;                     _vy = 0;                 }                                 else                 {                     var collision:Boolean = false;                                         if (_Boundaries.hitTestPoint(_girl_mc.x, _girl_mc.y, true))                     {                         collision = true;                     }                                         if (collision)                     {                         while (collision)                         {                             _girl_mc.y -= 0.1;                                                         collision = false;                                                         if (_Boundaries.hitTestPoint(_girl_mc.x, _girl_mc.y, true))                             {                                 collision = true;                             }                         }                                                 _vy = 0;                     }                 }                     scrollStage();                  function scrollStage():void         {             _Boundaries.x += (stage.stageWidth * 0.5) - _girl_mc.x;             _girl_mc.x = stage.stageWidth * 0.5;         }         }         }

Thank You again
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