Flash / Flex / ActionScript/Graphics/Circle

Circle Clicker

   <source lang="java">

package {

 import flash.display.*;
 import flash.events.*;
 public class Main extends Sprite {
   public function Main() {
     stage.addEventListener(MouseEvent.CLICK, clickListener);
   }
   private function clickListener (e:MouseEvent):void {
     if (e.target == stage) {
       drawCircle(e.stageX, e.stageY);
     } else {
       removeChild(DisplayObject(e.target));
     }
   }
   public function drawCircle (x:int, y:int):void {
     var randomColor:int = Math.floor(Math.random(  )*0xFFFFFF);
     var randomSize:int = 10 + Math.floor(Math.random(  )*150);
     var circle:Sprite = new Sprite(  )
     circle.graphics.beginFill(randomColor, 1);
     circle.graphics.lineStyle(  );
     circle.graphics.drawEllipse(0, 0, randomSize, randomSize);
     circle.x = x-randomSize/2;
     circle.y = y-randomSize/2;
     addChild(circle);
   }
 }

}

       </source>
   
  

Create a circle shape

   <source lang="java">

package {

 import flash.display.*;
 public class DisplayListExample extends Sprite {
   public function DisplayListExample(  ) {
     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;
     
     var container1:Sprite = new Sprite(  );
     container1.addChild( red );
     container1.addChild( green );
     container1.addChild( blue );
     
     addChild( container1 );
     
     var container2:Sprite = new Sprite(  );
     addChild( container2 );
     
     container2.addChild( red );
   }
   
   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;
   }
 }

}

       </source>
   
  

Create Rectangle and Circle

   <source lang="java">

package {

 import flash.display.*;
 import flash.text.TextField;
 public class GreetingApp extends Sprite {
   public function GreetingApp(  ) {
     var rectAndCircle:Shape = new Shape(  );
     rectAndCircle.graphics.lineStyle(1);
     rectAndCircle.graphics.beginFill(0x0000FF, 1);
     rectAndCircle.graphics.drawRect(125, 0, 150, 75);
     rectAndCircle.graphics.beginFill(0xFF0000, 1);
     rectAndCircle.graphics.drawCircle(50, 100, 50);
     rectAndCircle.x = 125;
     rectAndCircle.y = 100;
     addChild(rectAndCircle);
     var greeting_txt:TextField = new TextField(  );
     greeting_txt.text = "Hello world";
     greeting_txt.x = 200;
     greeting_txt.y = 300;
     addChild(greeting_txt);
   }
 }

}

       </source>
   
  

Creating Custom Visual Classes

   <source lang="java">

package {

 import flash.display.Sprite;
 import flash.display.Shape;  
 public class Main extends Sprite {
   public function Main(  ) {
     var red:Circle = new Circle( 0xFF0000, 10 );
     red.x = 10;
     red.y = 20;
     var green:Circle = new Circle( 0x00FF00, 10 );
     green.x = 15;
     green.y = 25;
     var blue:Circle = new Circle( 0x0000FF, 10 );
     blue.x = 20;
     blue.y = 20;
       
     addChild( red );
     addChild( green );
     addChild( blue );
   }
 }

} class Circle extends flash.display.Shape {

   private var _color:uint;
   private var _radius:Number;
   
   public function Circle( color:uint = 0x000000, radius:Number = 10 ) {
     _color = color;
     _radius = radius;
     
     draw(  );
   }
   
   private function draw(  ):void {
     graphics.beginFill( _color );
     graphics.drawCircle( 0, 0, _radius );
     graphics.endFill(  );
   }
 }
                          
       </source>
   
  

Fill a circle

   <source lang="java">

package {

   import flash.display.GradientType;
   import flash.display.Sprite;
   import flash.geom.Matrix;
        
   public class Main extends Sprite {
   
        public function Main() {
             var colors:Array = [];
             var pMatrix:Matrix = new Matrix();
             pMatrix.createGradientBox(70, 70, 0, -45, -32);
             graphics.beginGradientFill(GradientType.RADIAL, [0xFF0000,0x330000], [1,1], [0,0xFF], pMatrix);
             graphics.drawCircle(0, 0, 25);
             graphics.endFill();
        }
   
   }

}

       </source>