Released 7 years ago , Last update 7 years ago

A small math-class which can convert degrees to radials and vice versa. It also can calculate the distance between two objects.

First link the "libs"-folder as swc-folder to your project and add the "math"-package. (In the libs-folder you'll find a file named greensock.swc, this file can be downloaded for free on

To convert degrees to radials, do it like this:

trace("45degrees = " + MathUtilities.degreesToRadius(45) + "rad");

To convert radials to degrees, do it like this:

trace("1rad = " + MathUtilities.radiusToDegrees(1) + "degrees");

Here's an example of how to create moving circles and calculate the distance between them with this package (view demo to see how it works):

    import math.Circle;
    import math.MathUtilities;

    import com.greensock.TweenLite;
    import com.greensock.TweenMax;

    import flash.display.Sprite;

    public class Main extends Sprite{

        private var circle1:Circle;
        private var circle2:Circle;

        public function Main(){

        public function drawCircles():void{
            circle1 = new Circle( 50, 0xff0000 );
            circle2 = new Circle( 10, 0x00ffff );

            circle1.x = 0;
            circle2.x = stage.stageWidth;

            circle1.y = circle2.y = 100;

   circle1, 5, {x:stage.stageWidth, onUpdate:checkDistance} );
   circle2, 5, {x:0, onUpdate:checkDistance} );

            addChild( circle1 );
            addChild( circle2 );

        public function checkDistance():void{
            var distance:Number = MathUtilities.checkDistance( circle1, circle2);
            var hitzone:Number = (circle1.width + circle2.width) /2;

            if( (distance - hitzone) <=0  ){

            trace(distance - hitzone);


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Personal License

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  • No distribution (hosted use only)

  • Commercial use

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