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From AS2 to AS3 – Where did it go – setRGB | [mck]

/ Published in: ActionScript 3
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I really like the use of constants and the dollar sign ($) in this class. I have only used $ in jQuery to designate objects. Looks like one might use $ in AS3 classes to designate/differentiate passed-in variables from internal method/global vars.

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  1. /**
  2. * Color (AS3), version 1.0
  3. *
  4. * Enter description here
  5. *
  6. * <pre>
  7. *  ____                   _      ____
  8. * |  __| _ __ ___    ___ | | __ |__  |
  9. * | |   | '_ ` _ \  / __|| |/ /    | |
  10. * | |   | | | | | || (__ |   <     | |
  11. * | |__ |_| |_| |_| \___||_|\_\  __| |
  12. * |____|                        |____|
  13. *
  14. * </pre>
  15. *
  16. * @class  	: 	Color
  17. * @author 	:  	Matthijs C. Kamstra [mck]
  18. * @version :	1.0 - class creation (AS3)
  19. * @since 	:	11-5-2008 0:22
  20. *
  21. */
  22. package nl.matthijskamstra.utils {
  23.  
  24. 	import flash.display.*;
  25. 	import flash.events.*;
  26. 	import flash.geom.ColorTransform;
  27.  
  28. 	public class Color {
  29.  
  30. 		// Constants:
  31. 		public static var CLASS_REF = nl.matthijskamstra.utils.Color;
  32. 		public static var CLASS_NAME : String = "Color";
  33. 		public static var LINKAGE_ID : String = "nl.matthijskamstra.utils.Color";	
  34.  
  35. 		/**
  36. 		* Constructor
  37. 		*
  38. 		* @usage   	import nl.matthijskamstra.utils.Color; // import
  39. 		*			var __Color:Color = new Color ( this );
  40. 		* @param	$targetObj		a reference to a movie clip or object
  41. 		*/
  42. 		public function Color(   $targetObj:DisplayObject=null, $colorValue:uint = 0xff3333) {
  43. 			// trace ( LINKAGE_ID + ' class instantiated');
  44. 			if ($targetObj == null) { return; }
  45. 			var newColorTransform:ColorTransform = $targetObj.transform.colorTransform;
  46. 			newColorTransform.color = $colorValue;
  47. 			$targetObj.transform.colorTransform = newColorTransform;
  48. 		}
  49.  
  50. 		//////////////////////////////////////// Static ///////////////////////////////////////
  51.  
  52. 		static public function setRGB(  $targetObj:DisplayObject = null, $colorValue:uint = 0xff3333) {
  53. 			return new Color ( $targetObj, $colorValue);
  54. 		}
  55.  
  56. 	} // end class
  57.  
  58. } // end package

URL: http://www.matthijskamstra.nl/blog/index.php/2008/07/23/from-as2-to-as3-where-did-it-go-setrgb/

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