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| package {
/**
* Sphere
* draws a circle with a radial gradient giving the appearance of a sphere
* parameters: radius (Number, default=40), color (uint, default=0xff0000)
*/
import flash.display.Sprite;
import flash.display.GradientType;
import flash.geom.Matrix;
public class Sphere extends Sprite {
private var radius:Number;
private var color:uint;
public function Sphere(radius:Number=40, color:uint=0xff0000){
this.radius = radius;
this.color = color;
init();
}
private function init():void{
var colors:Array = [0xffffff, color];
var alphas:Array = [1,1];
var ratios:Array = [0, 255];
var matrix:Matrix = new Matrix();
//this is a normal matrix - gradient is centered & same width as circle
//matrix.createGradientBox(radius*2,radius*2,0,-radius,-radius);
matrix.createGradientBox(radius*1.5,radius*1.5,0,-radius,-radius);
graphics.beginGradientFill(GradientType.RADIAL, colors, alphas, ratios, matrix);
graphics.drawCircle(0, 0, radius);
graphics.endFill();
}
}
}
// Copyright (c) 2008 David Wilhelm
// MIT license: http://www.opensource.org/licenses/mit-license.php
|