forked from: color line
...
* @author Default
* @version 0.1
// forked from uranodai's color line
/**
* ...
* @author Default
* @version 0.1
*/
package {
import flash.display.Sprite;
[SWF(width="200", height="200", backgroundColor="#000000")]
public class study8 extends Sprite{
public function study8() {
//パターンとゆらぎ
var width:Number = stage.stageWidth;
var height:Number = stage.stageHeight;
var range_color:int = 10;
var range_y:int = 2;
var fluc_color:Number = 50;
var fluc_y:Number;
for(var y:int=0; y<height; y+=5){
fluc_color += Math.random()*range_color*2-range_color;
graphics.lineStyle(1,HSBtoRGB(fluc_color/100,0.6,1),0.3);
fluc_y = 0;
fluc_y += Math.random()*range_y*2-range_y;
graphics.moveTo(0, y+fluc_y);
for(var x:int=5; x<=width; x+=5){
fluc_y += Math.random()*range_y*2-range_y;
graphics.lineTo(x, y+fluc_y);
}
}
}
/** HSBからRGBをつくる
* @param hue 色の色相成分(小数部 * 360度が色相角度)
* @param saturation 色の彩度(0.0 ～ 1.0 の範囲の数)
* @param brightness 色の明度(0.0 ～ 1.0 の範囲の数)
* @return RGBカラー
*/
public static function HSBtoRGB(hue:Number, saturation:Number, brightness:Number):uint {
var r:int = 255;
var g:int = 255;
var b:int = 255;
if (saturation == 0) {
r = g = b = brightness * 255.0 + 0.5;
} else {
var h:Number = (hue - Math.floor(hue)) * 6.0;
var f:Number = h - Math.floor(h);
var p:Number = brightness * (1.0 - saturation);
var q:Number = brightness * (1.0 - saturation * f);
var t:Number = brightness * (1.0 - (saturation * (1.0 - f)));
switch (int(h)) {
case 0:
r = brightness * 255.0 + 0.5;
g = t * 255.0 + 0.5;
b = p * 255.0 + 0.5;
break;
case 1:
r = q * 255.0 + 0.5;
g = brightness * 255.0 + 0.5;
b = p * 255.0 + 0.5;
break;
case 2:
r = p * 255.0 + 0.5;
g = brightness * 255.0 + 0.5;
b = t * 255.0 + 0.5;
break;
case 3:
r = p * 255.0 + 0.5;
g = q * 255.0 + 0.5;
b = brightness * 255.0 + 0.5;
break;
case 4:
r = t * 255.0 + 0.5;
g = p * 255.0 + 0.5;
b = brightness * 255.0 + 0.5;
break;
case 5:
r = brightness * 255.0 + 0.5;
g = p * 255.0 + 0.5;
b = q * 255.0 + 0.5;
break;
}
}
return (r << 16) | (g << 8) | (b << 0);
}
}
}