[Actionstep-commits] actionstep/src/org/actionstep NSPoint.as,1.1.1.1,1.2

[Scott H. <sco...@us...>]

Update of /cvsroot/actionstep/actionstep/src/org/actionstep
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv13868/src/org/actionstep

Modified Files:
	NSPoint.as 
Log Message:
Added add() and subtract() static methods
Filled in comments

Index: NSPoint.as
===================================================================
RCS file: /cvsroot/actionstep/actionstep/src/org/actionstep/NSPoint.as,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** NSPoint.as	4 May 2005 02:33:05 -0000	1.1.1.1
--- NSPoint.as	16 May 2005 22:57:08 -0000	1.2
***************
*** 31,53 ****
  import org.actionstep.NSObject;
  
  class org.actionstep.NSPoint extends NSObject {
    
    public static var ZeroPoint = new NSPoint(0,0);
    
    public var x:Number;
    public var y:Number;
    
    public function NSPoint(x:Number, y:Number) {
      this.x = x;
      this.y = y;
    }
!   
    public function clone():NSPoint {
      return new NSPoint(x, y);
    }
  
    public function description():String {
      return "NSPoint(x="+x+", y="+y+")";
    }
    
  }
\ No newline at end of file
--- 31,85 ----
  import org.actionstep.NSObject;
  
+ /**
+  * Represents a point in 2D space. Contains an x-coordinate and a y-coordinate.
+  */
  class org.actionstep.NSPoint extends NSObject {
    
+   /** A point with location (0, 0). */
    public static var ZeroPoint = new NSPoint(0,0);
    
+   /** The x-coordinate. */
    public var x:Number;
+   
+   /** The y-coordinate. */
    public var y:Number;
    
+   /**
+    * Creates a new instance of NSPoint with the specified x and y
+    * coordinates.
+    */
    public function NSPoint(x:Number, y:Number) {
      this.x = x;
      this.y = y;
    }
! 
!   /**
!    * Creates a new point with the same properties as this one.
!    */  
    public function clone():NSPoint {
      return new NSPoint(x, y);
    }
  
+   /**
+    * @see org.actionstep.NSObject#description
+    */
    public function description():String {
      return "NSPoint(x="+x+", y="+y+")";
    }
    
+   /**
+    * Adds point1 to point2 and returns the result.
+    */
+   public static function add(point1:NSPoint, point2:NSPoint):NSPoint
+   {
+     return new NSPoint(point2.x + point1.x, point2.y + point1.y); 
+   }
+ 
+   /**
+    * Subtracts point2 from point1 and returns the result.
+    */  
+   public static function subtract(point1:NSPoint, point2:NSPoint):NSPoint
+   {
+     return new NSPoint(point2.x - point1.x, point2.y - point1.y); 
+   }
  }
\ No newline at end of file