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Actionscript:
var canvas:BitmapData=new BitmapData(400,400,false,0x000000);
addChild(new Bitmap(canvas));
var a:Number=-1.21;
var r:Rectangle=new Rectangle(0,0,3,5);
var halfWidth:Number=canvas.width/2;
var halfHeight:Number=canvas.height/2;
render();
function render():void{
for (var x:Number = -2; x<=2; x+=.01) {
for (var y:Number = -2; y<=2; y+=.02) {
// equation from : http://en.wikipedia.org/wiki/Bicuspid_curve
//(x^2 - a^2) * (x [...]
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Actionscript:
package {
[SWF(width=1000,height=1000)]
import flash.display.*;
import flash.events.*;
public class RandomWalkTexture extends Sprite {
private var _canvas:BitmapData;
private var _populationNum:int=100;
private var _movers:Vector.<Mover>;
public function RandomWalkTexture() {
var sw:Number=stage.stageWidth;
[...]
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Actionscript:
var canvas:BitmapData=new BitmapData(200,200,false,0x000000);
addChild(new Bitmap(canvas));
scaleX=scaleY=2;
var pixNum:int=canvas.width*canvas.height;
var xp:Vector.<int> = new Vector.<int>();
var yp:Vector.<int> = new Vector.<int>();
var radius:Vector.<Number> = new Vector.<Number>();
var theta:Vector.<Number> = new Vector.<Number>();
for (var i:int = 0; i<pixNum; i++) {
xp.push(i % 200);
yp.push(int(i / 200));
var dx:Number=100-xp[i];
var dy:Number=100-yp[i];
theta.push(Math.atan2(dy, dx));
radius.push(Math.sqrt(dx * dx + dy * [...]
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Actionscript:
function format2D(a:Array):String {
var str:String="[";
for (var i:int = 0; i<a.length; i++) {
str+="["+a[i].toString()+"],";
}
str=str.substr(0,str.length-1);
str+="]";
return str;
}
// test it out
var array2D:Array = [[1,2,3], [4,5,6], [7,8,9]];
trace(array2D);
trace(format2D(array2D));
/* outputs:
1,2,3,4,5,6,7,8,9
[[1,2,3],[4,5,6],[7,8,9]]
*/
When you trace a 2D array to the output window the actual structure of the array [...]