Comments on: Multi Gradient

By: Joaqo

Joaqo — Wed, 20 Aug 2008 05:45:38 +0000

… The code shows incompletely and incorrectly, so here is a link to the text file with the code:

http://joaqo182.googlepages.com/MultiGradient.txt

And here is the compiled swf:
http://joaqo182.googlepages.com/MultiGradient.swf

By: Joaqo

Joaqo — Wed, 20 Aug 2008 05:30:15 +0000

var bData:BitmapData = new BitmapData(stage.stageWidth, stage.stageHeight); ////////glitch> var wData:BitmapData = new BitmapData(stage.stageWidth, stage.stageHeight); ////////> 16; color1_g = (color1&0x00ff00) >> 8; color1_b = (color1&0x0000ff); color2_r = (color2&0xff0000) >> 16; color2_g = (color2&0x00ff00) >> 8; color2_b = (color2&0x0000ff); color3_r = (color3&0xff0000) >> 16; color3_g = (color3&0x00ff00) >> 8; color3_b = (color3&0x0000ff); color4_r = (color4&0xff0000) >> 16; color4_g = (color4&0x00ff00) >> 8; color4_b = (color4&0x0000ff); for (i = 0; i color = rcolor var wbmp = new Bitmap(wData); wbmp.x = stage.stageWidth/2 addChild(wbmp) ////////

By: Joaqo

Joaqo — Wed, 20 Aug 2008 05:28:35 +0000

Here is a much simpler way to do it (*simpler* referring to the amount of code).
It also includes an interesting glitch that I found (OMG, evil rgb triangles aligned in a sierpinsky-triangle-like way!) , which will be displayed at the right of the gradient. (code involving this glitch will be included between comment lines)
Add this to your main timeline:

var bData:BitmapData = new BitmapData(stage.stageWidth, stage.stageHeight);
////////glitch>
var wData:BitmapData = new BitmapData(stage.stageWidth, stage.stageHeight);
////////> 16;
color1_g = (color1&0×00ff00) >> 8;
color1_b = (color1&0×0000ff);
color2_r = (color2&0xff0000) >> 16;
color2_g = (color2&0×00ff00) >> 8;
color2_b = (color2&0×0000ff);
color3_r = (color3&0xff0000) >> 16;
color3_g = (color3&0×00ff00) >> 8;
color3_b = (color3&0×0000ff);
color4_r = (color4&0xff0000) >> 16;
color4_g = (color4&0×00ff00) >> 8;
color4_b = (color4&0×0000ff);
for (i = 0; i
color = rcolor
var wbmp = new Bitmap(wData);
wbmp.x = stage.stageWidth/2
addChild(wbmp)
////////

By: Liam Walsh

Liam Walsh — Sun, 20 Jul 2008 00:56:45 +0000

http://www.motiondraw.com/md/as_samples/t/gradientTween/gradientTweenEditor.html

Here’s an example of a similar (but cruder) implementation of the algorithm with the source code. (Not my work or my source code, but I have made it work and it’s pretty fast.)

By: frank

frank — Fri, 02 May 2008 11:16:09 +0000

hellokeita,

thanks for sharing your knowledge with us. I used your GradientBitmapData.as andPointData.as to rebuild your Multi Gradient Example. It’s working, but it’s really slow. In my setup it takes much longer to fill a 400×400 bitmap.

Maybe you can tell me how to speed the whole thing up?

I instantiate GradientBitmapData like this:
var gradientBitmapData:GradientBitmapData = new GradientBitmapData(400, 400,true,0xff00ffff);
addChild(new Bitmap(gradientBitmapData));

I add a points like this:
var topleft:PointColor = new PointColor(0, 0, 0xffff00ff);
gradientBitmapData.addSpot(topleft);

Thanks
Frank

By: zh.

zh. — Mon, 11 Feb 2008 14:07:17 +0000

Great!!!
Maybe you’ll give us some source?

By: C4RL05

C4RL05 — Tue, 05 Feb 2008 15:20:38 +0000

Love it.