AS3 RGB颜色(对象)到HSB颜色(对象)
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var darkGreenRgbObj:Object = new Object(); darkGreenRgbObj.r = 51; darkGreenRgbObj.g = 102; darkGreenRgbObj.b = 0; var darkGreenHsbObj:Object = RGBtoHSB(darkGreenRgbObj.r, darkGreenRgbObj.g, darkGreenRgbObj.b); trace("RGB: " + darkGreenRgbObj.r + ", " + darkGreenRgbObj.g + ", " + darkGreenRgbObj.b); trace("HSB: " + darkGreenHsbObj.h + ", " + darkGreenHsbObj.s + ", " + darkGreenHsbObj.b); function RGBtoHSB(r:int, g:int, b:int):Object { var hsb:Object = new Object; var _max:Number = Math.max(r,g,b); var _min:Number = Math.min(r,g,b); hsb.s = (_max != 0) ? (_max - _min) / _max * 100: 0; hsb.b = _max / 255 * 100; if(hsb.s == 0){ hsb.h = 0; }else{ switch(_max) { case r: hsb.h = (g - b)/(_max - _min)*60 + 0; break; case g: hsb.h = (b - r)/(_max - _min)*60 + 120; break; case b: hsb.h = (r - g)/(_max - _min)*60 + 240; break; } } hsb.h = Math.min(360, Math.max(0, Math.round(hsb.h))) hsb.s = Math.min(100, Math.max(0, Math.round(hsb.s))) hsb.b = Math.min(100, Math.max(0, Math.round(hsb.b))) return hsb; } // OUTPUT // RGB: 51, 102, 0 // HSB: 90, 100, 40
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