Current File : /home/caballoscriollos/www/espanol/encuesta/graphs/sourcecode/codebase/fimovieclip_star.as
/*
* FusionCharts Free v2
* http://www.fusioncharts.com/free
*
* Copyright (c) 2009 InfoSoft Global (P) Ltd.
* Dual licensed under the MIT (X11) and GNU GPL licenses.
* http://www.fusioncharts.com/free/license
*
* MIT License: http://www.opensource.org/licenses/mit-license.php
* GPL License: http://www.gnu.org/copyleft/gpl.html
*
* Date: 2009-08-21
*/
//--------------------------------------------------------------------------------
/*
Extended function definitions
This file contains extensions to the base MovieClip Object.
All the functions contained in this file can be used with any other Flash MX/+ movie for common procedures
*/
//-------------------------------------------------------------
// MovieClip.drawStar is a method for drawing star shaped polygons.
//-------------------------------------------------------------
MovieClip.prototype.drawStar = function(x, y, points, innerRadius, outerRadius, angle) {
// ==============
// x, y = center of star
// points = number of points (Math.abs(points) must be > 2)
// innerRadius = radius of the indent of the points
// outerRadius = radius of the tips of the points
// angle = [optional] starting angle in degrees. (defaults to 0)
// ==============
if (arguments.length<5) {
return;
}
var count = Math.abs(points);
if (count>2) {
// init vars
var step, halfStep, start, n, dx, dy;
// calculate distance between points
step = (Math.PI*2)/points;
halfStep = step/2;
// calculate starting angle in radians
start = (angle/180)*Math.PI;
this.moveTo(x+(Math.cos(start)*outerRadius), y-(Math.sin(start)*outerRadius));
// draw lines
for (n=1; n<=count; n++) {
dx = x+Math.cos(start+(step*n)-halfStep)*innerRadius;
dy = y-Math.sin(start+(step*n)-halfStep)*innerRadius;
this.lineTo(dx, dy);
dx = x+Math.cos(start+(step*n))*outerRadius;
dy = y-Math.sin(start+(step*n))*outerRadius;
this.lineTo(dx, dy);
}
}
};
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