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Old 02-13-2012, 02:36 AM   #1
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Join Date: Feb 2012
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Default Random Array, create sprite

How can I create a sprite with a random array?

var ball:Array = new Array();
var currentBall:Number = Math.random();
Now I want to create a sprite with ball[currentBall]

What I am trying to do is have it so that I can keep creating sprites from a random number

like if i wanted every time a user pressed a spacebar to create a new sprite.
No I am not asking anyone to do this, I am asking for help on how I should go about this? Is array the best way to do this?

Last edited by TheMadHatter; 02-13-2012 at 02:52 AM.
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Old 02-13-2012, 05:50 AM   #2
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Location: Helsinki, Finland
Posts: 1,184

Probably yes, array sounds like it would be the best choice.
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Old 02-13-2012, 01:46 PM   #3
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Posts: 131

First of all, math.random creates a random number between 0 and 1. You can't use that as indexes for an array off course, so you'll have to multiply the random number with something and use math.floor or math.ceil to round the number up or down.

Secondly, why would you want random indexes? Just create a new Ball() (sprite) and push it into the array when the user presses spacebar.

If you then want to get one of the balls in the array randomly you can use Math.floor(array.length - 1 * Math.random) for the index. That will give you a random ball from the array of balls.
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