addChild( ) method doesn't guarantee that a display object is added to the display list. : Sprite : Development Flash / Flex / ActionScript examples

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addChild( ) method doesn't guarantee that a display object is added to the display list.


 

package {
  import flash.display.*;
  public class CircleExample extends Sprite {
    public function CircleExample(  ) {
      var red:Shape = createCircle( 0xFF0000, 10 );
      red.x = 10;
      red.y = 20;
      var green:Shape = createCircle( 0x00FF00, 10 );
      green.x = 15;
      green.y = 25;
      var blue:Shape = createCircle( 0x0000FF, 10 );
      blue.x = 20;
      blue.y = 20;
      
      addChild( red );
      addChild( blue );
      
      addChildAt( green, 1 );
    }
    
    public function createCircle( color:uint, radius:Number ):Shape {
      var shape:Shape = new Shape(  );
      shape.graphics.beginFill( color );
      shape.graphics.drawCircle( 0, 0, radius );
      shape.graphics.endFill(  );
      return shape;
    }
  }
}