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Actionscript:
addChild(new TextField());
getChildAt(0)["text"] = "Hello World";
Notice that square bracket syntax makes it so we don't need to typecast. Take a look at the other way:
CLICK HERE TO COPY
Actionscript:
addChild(new TextField());
TextField(getChildAt(0)).text = "Hello World";
Typecasting is the way to go.... the square bracket technique is just an interesting trick.
I wrote this after somehow stumbling on this [...]
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Actionscript:
[SWF(width = 600, height = 400)]
// draw the same grid as yesterday
var tileSize:int = 40;
var cols:int = stage.stageWidth / tileSize;
var rows:int = stage.stageHeight / tileSize;
var grid:Sprite = Sprite(addChild(new Sprite()));
grid.graphics.lineStyle(0,0x000000);
var i:int = 0;
for (i = 1; i<cols; i++){
var posX:Number = i * tileSize
grid.graphics.moveTo(posX, 0);
grid.graphics.lineTo(posX, stage.stageHeight);
}
for (i = [...]
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Actionscript:
// try changing the size of the stage
[SWF(width = 600, height = 400)]
// try changing the tile size (make sure swf width and height are evenly divisible by this number)
var tileSize:int = 20;
var cols:int = stage.stageWidth / tileSize;
var rows:int = stage.stageHeight / tileSize;
var grid:Sprite = Sprite(addChild(new Sprite()));
grid.graphics.lineStyle(0,0x000000);
var i:int = 0;
for (i = [...]
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Actionscript:
// best thing about this are the random seeds
var s1:Number= 0xFFFFFF;
var s2:Number = 0xCCCCCC;
var s3:Number= 0xFF00FF;
// saw this algorithm on this somewhat annoying thread:
// http://www.reddit.com/r/programming/comments/7yjlc/why_you_should_never_use_rand_plus_alternative/
// additional googling brought me to this: http://wakaba.c3.cx/soc/kareha.pl/1100499906/
// and finally to this ( didn't understand most of this one) www.ams.org/mcom/1996-65-213/S0025-5718-96-00696-5/S0025-5718-96-00696-5.pdf
function rand():Number {
s1=((s1&4294967294)<<12)^(((s1<<13)^s1)>>19);
s2=((s2&4294967288)<<4)^(((s2<<2)^s2)>>25);
s3=((s3&4294967280)<<17)^(((s3<<3)^s3)>>11);
[...]