CLICK HERE TO COPY
Actionscript:
var xn:Number = 1;
var xn1:Number = 0
var square:Number =39;
trace("find the sqrt of ", square);
trace("Math.sqrt: ", Math.sqrt(square))
// no starting approximation, just try up to 35 iterations
for(var i:int = 0; i<35; i++){
xn1 = .5 * (xn + square / xn);
if (xn1== xn){
trace("other sqrt: ", xn1);
[...]
CLICK HERE TO COPY
Actionscript:
// Superformula (equations from):
// http://www.geniaal.be/downloads/AMJBOT.pdf
// http://en.wikipedia.org/wiki/Superformula
const TWO_PI:Number = Math.PI * 2;
function superShape(a:Number, b:Number, m:Number, n1:Number, n2:Number, n3:Number, pnt:Point, scale:Number):void{
var r:Number = 0
var p:Number = 0;
var xp:Number = 0, yp:Number = 0;
while(p <= TWO_PI){
var ang:Number = m * p / 4;
[...]
CLICK HERE TO COPY
Actionscript:
var target:Number = 1024;
var slices:Array = [target];
var leng:int = 11;
for (var i:int = 0; i<leng-1; i++){
var index:int = int(Math.random()*slices.length);
var val:Number = slices[index];
var rand:Number = Math.random() * val/2;
slices[index] = val - rand;
slices.push(rand);
}
trace(slices);
// test that they all add up
var sum:Number = 0;
for (i = [...]
CLICK HERE TO COPY
Actionscript:
var target:Number = 360;
var steps:Array = new Array();
for (var step:Number = 0; step <target; step += int(Math.random() * 36 + 36)){
steps.push(Math.min(target,step));
}
steps.push(target);
trace(steps);
/* outputs something similar to:
0,46,99,144,189,259,330,360
*/
This is something I've had to do a few times recently.... it randomly steps a number toward a given target...