blog helm shadow

graphics.clear();
graphics.lineStyle(1, 0);
graphics.moveTo(-200, -200);
drawSpring(-200, -200, 200, 200, 100);
 
//x0 and y0 are the starting coordinates.  
//x1 and y1 are the end coordinates.  
//length specifies how long the spring is, and determines the amount of coils.  
//scale affects the diameter of the spring.  
//span affects the distance between <a href="http://www.adobe.com/livedocs/flash/9.0/ActionScriptLangRefV3/flash/display/Graphics.html#curveTo()">curveTo</a> segments (smaller = more detail).  
//starting rotation and the beginning iteration can also be specified.
 
function drawSpring(x0:int, y0:int, x1:int, y1:int, length:int = 1000, scale:Number = 20, span:Number = .5, rotation:Number = 0, iteration:int = 0, anchorX:int = -1, anchorY:int = -1, controlX:int = -1, controlY:int = -1 ):void {
	if(anchorX > -1){
		graphics.curveTo(anchorX, anchorY, (controlX + anchorX) * .5, (controlY + anchorY) * .5);
	}
	iteration++;
	if (iteration < length) {
		drawSpring(x0, y0, x1, y1, length, scale, span, rotation - span, iteration, controlX, controlY, x0 + (x1 - x0) / length * iteration + scale * Math.cos(rotation - span), y0 + (y1 - y0) / length * iteration + scale * Math.sin(rotation - span));
	}else graphics.curveTo(controlX, controlY, x1, y1);
}