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标题: HSV Colors (Script Utilities Behavior) [打印本页]

作者: Asen 时间: 2011-10-21 08:22
标题: HSV Colors (Script Utilities Behavior)

            HSV Colors (Script Utilities Behavior)


         Summary


         Extends all Color objects to support hue/saturation/value properties.


            Category


            Latest Behaviors


            Author


            Gavin Kistner


            Difficulty


            (Reference)


            Time to Complete


            5 Minutes


         Downloads


         Click Here

         to download the associated files.


         (This document covers version 1.0 of the 'HSV Colors' behavior, current as of 2005-Feb-11)


         Description


         This utility library extends Color objects to support

            .h

         ,

            .s

         , and

            .v

         properties for

            HSV

         (Hue, Saturation, Value) manipulations.


         Hue values are specified and returned as numbers in the range 0..360, with pure red being 0, pure green 120, and pure blue 240.


         Saturation and Value values are specified and returned as numbers in the range 0..100.


         To use, simply attach this behavior anywhere in the scene. (You have to actually attach it to add the functionality; loading it into the library for the project is not enough.)

         Example code:

         //Set the material to a dark red color
myMaterial.diffuse = new Color( 150, 0, 0 );

var theColor = myMaterial.diffuse;
alert(theColor.h+', '+theColor.h+', '+theColor.v);
//alerts "0, 0, 58.82352941176471"

theColor.h = 120;
//theColor is now 0, 150, 0

theColor.h = 30;
//theColor is now 150, 75, 0

theColor.v = 100
//theColor is now 255, 128, 0

theColor.s = 50;
//theColor is now 255 192 128


         Note that changes to the hue or saturation do not take effect when the value is exactly 0, and changes to the hue will not take effect when the saturation is 0.


         Demonstration

View Demonstration Project

Download Project File

作者: C.R.CAN 时间: 2012-3-13 23:19
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作者: C.R.CAN 时间: 2012-9-4 23:18
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作者: 晃晃 时间: 2012-11-14 04:01
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作者: C.R.CAN 时间: 2013-2-23 23:24
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