var container:Sprite = new Sprite();

var shape:Shape = new Shape();

shape.graphics.beginFill(0xFF0000);

shape.graphics.drawRect(0,0,100,100);

shape.graphics.endFill();

container.addChild(shape)

 

// смещаем центр на 0,0

shape.x= -shape.width/2;

shape.y= -shape.height/2;

 

 

addChild(container)

container.x=container.y=150;

 

setInterval(rotate,50);

 

function rotate () {

        container.rotation++;

}

var s:Sprite= new Sprite();

s.graphics.beginFill(0x00FF00);

s.graphics.drawRect(0,0,100,100);

s.graphics.endFill();

addChild(s)

 

rotateAroundPoint(s, 45, new Point(s.width * 0.5, s.height * 0.5));

 

function rotateAroundPoint(target:DisplayObject, angle:Number, transformationPoint:Point):void

{

        var m:Matrix = target.transform.matrix;

 

        transformationPoint= m.transformPoint(transformationPoint);

 

        m.tx -= transformationPoint.x;

        m.ty -= transformationPoint.y;

        m.rotate(angle * (Math.PI / 180));

        m.tx += transformationPoint.x;

        m.ty += transformationPoint.y;

        target.transform.matrix = m;

}