flash on 2015-3-12

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

package {
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        public function FlashTest() {
            // write as3 code here..
            
            const TWO_PI:Number=Math.PI*2;
// x, y, max radius, notch number
drawVerts(calcGear(200, 200, 50, 9));
 
drawVerts(calcGear(400, 200, 30, 3));
 
drawVerts(calcGear(300, 350, 30, 5));
 
drawVerts(calcGear(400,400, 30, 2));
 
function calcGear(x:Number, y:Number, maxRad:Number, s:int):Array {
    var verts:Array = new Array();
    var step:Number=TWO_PI / (s * 4);
    var mod:Number=0;
    for (var i:Number = 0; i<=TWO_PI; i+=step) {
        var r:Number = (int(mod)%2+1) * maxRad;
        mod+=.5;
        verts.push(x + r * Math.cos(i));
        verts.push(y + r * Math.sin(i));
    }
    return verts;
}
 
// could  use draw path here instead;
function drawVerts(verts:Array):void{
    graphics.lineStyle(0,0x000000);
    graphics.moveTo(verts[0], verts[1]);
    for (var i:int = 2; i<verts.length; i+=2) {
        graphics.lineTo(verts[i], verts[i + 1]);
    }
    graphics.lineTo(verts[0], verts[1]);
}
        }
    }
}