flash on 2015-12-10

/**
 * Copyright mutantleg ( http://wonderfl.net/user/mutantleg )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/8oMM
 */

package {
    import flash.text.TextField;
    import flash.events.Event;
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        public function FlashTest() {
            
            deb = new TextField();
            deb.width=320;deb.height=240;
            deb.mouseEnabled=false;
            addChild(deb);
            
            vecAct = new Vector.<xActor>(0,false);
            vecBull = new Vector.<xActor>(0,false);
            
            var a:xActor;
            a = new xActor(); a.cx = 230; a.cy = 230;
            a.team = 1;
            vecAct.push(a);

            var i:int;
            for (i=0;i<64;i+=1)
            {
              a = new xActor();
              a.cx = Math.random()*435; a.cy = Math.random()*435;
              a.team = 3;
              vecAct.push(a);  
            }//nexti
            
            
            stage.addEventListener(Event.ENTER_FRAME, onEnter);         
        }//ctor
        
        public static var vecAct:Vector.<xActor>;
        public static var vecBull:Vector.<xActor>;
        public var gt:int = 0;
        
        public var deb:TextField;        
        
        public function onEnter(e:Event):void
        {  
            gt+=1;
               
            var a:xActor;
            
            a = new xBull();
            a.cx=230;a.cy=230;
            a.ang = Math.random()*6.28; a.hp=64;
            vecBull.push(a);
            
            updateVec(vecAct);  updateVec(vecBull);
           
            graphics.clear();   graphics.lineStyle(2, 0);
            renderVec(vecAct);  renderVec(vecBull);

            deb.text = ""+vecAct.length+"\n"+vecBull.length;
            
        }//onenter
        
        public function renderVec(vec:Vector.<xActor>):void
        { var i:int; var num:int; var a:xActor;
           num = vec.length;  
           for(i=0;i<num;i+=1)
           { a = vec[i]; if (a==null || a.hp <=0) {continue;}
             graphics.drawRect(a.cx-a.xrad,a.cy-a.yrad,a.xrad*2,a.yrad*2); }
        }//render
        
        public function updateVec(vec:Vector.<xActor>):void
        { var i:int; var num:int; var a:xActor; var k:int; 
           num = vec.length;   
           for(i=0;i<num;i+=1)
           { a = vec[i];  if (a ==null || a.hp <= 0)
             { for (k=i;k<num-1;k+=1)  { vec[k]=vec[k+1]; }   
               vec.pop(); num-=1; i-=1; continue; }  a.update(); 
           }//nexti
        }//update
        
        
    }//classend
}

internal class xActor
{
  public var cx:Number = 0;  public var cy:Number = 0;
  public var xrad:Number = 8;  public var yrad:Number = 8;
  public var hp:Number = 1;
  public var ang:Number = 0;
  public var vx:Number = 0; public var vy:Number = 0;
  public var team:int = 0;
  
  public function update():void {}
}//xactor

internal class xBull extends xActor
{
 override public function update():void
  {
      var i:int; var num:int; var a:xActor;
      var vec:Vector.<xActor>;
      vec = FlashTest.vecAct;
      num = vec.length;
      for(i=0;i<num;i+=1)
      { a = vec[i];
        if (a.team <= 0 || a.team == team) { continue; }
        if (cx-xrad > a.cx+a.xrad) { continue; }   
        if (cx+xrad < a.cx-a.xrad) { continue; }   
        if (cy-yrad > a.cy+a.yrad) { continue; }   
        if (cy+yrad < a.cy-a.yrad) { continue; }   
          
        a.hp -= 1;  hp = -1; 
        return;  
      }//nexti      
      
      hp -=1; 
      cx += Math.cos(ang)*4;
      cy += Math.sin(ang)*4;      
  }//update

}//xbull