/*
 * Utils class by Wade Walker.
 * wadedwalker.com/
 * wadedwalker@gmail.com
 *
 * Copyright (c) 2006 - 2010 Wade Walker
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

package com.wadedwalker {
	
	import flash.display.DisplayObject;
	
	public class Utils {
		
		//--------------------------------------------------------------------------------------------------------------------------------------\\
		public function Utils() {
			//Do Nothing
		}
		
		//--------------------------------------------------------------------------------------------------------------------------------------\\
		//Random Number Generator by range
		static public function range(startNum:Number, endNum:Number):Number {
			return int(Math.random() * (endNum - startNum + 1) + startNum);
		}
		
		//--------------------------------------------------------------------------------------------------------------------------------------\\
		//Points Distance Calculation
		static public function getDistanceByPoints(firstPoint:Number, secondPoint:Number):Number {
			return Math.abs(firstPoint - secondPoint);
		}
		
		//--------------------------------------------------------------------------------------------------------------------------------------\\
		//Object Distance Calculation
		static public function getDistanceByObjects(firstObject:Object, secondObject:Object):Object {
			var distance:Object = {"dx":(Math.abs(firstObject.x - secondObject.x)), "dy":(Math.abs(firstObject.y - secondObject.y))};
			return distance;
		}
		
		//--------------------------------------------------------------------------------------------------------------------------------------\\
		//Calculate Vector by Points
		static public function calculateVectorByPoints(x1:Number, y1:Number, x2:Number, y2:Number):Object {
			var dx:Number = x2 - x1;
			var dy:Number = y2 - y1;
			var mag:Number = Math.sqrt((dx * dx) + (dy * dy));
			var rad:Number = Math.atan2(dy, dx);
			var ang:Number = rad * 57.3;
			var vx:Number = Math.cos(rad);
			var vy:Number = Math.sin(rad);
			var object:Object = {vectorX:vx, vectorY:vy, magnitude:mag, angle:ang, radian:rad};

			return object;
		}
		
		//--------------------------------------------------------------------------------------------------------------------------------------\\
		//Calculate Vector by DisplayObjects
		static public function calculateVectorByPoints(object1:DisplayObject, object2:DisplayObject):Object {
			var dx:Number = object2.x - object1.x;
			var dy:Number = object2.y - object1.y;
			var mag:Number = Math.sqrt((dx * dx) + (dy * dy));
			var rad:Number = Math.atan2(dy, dx);
			var ang:Number = rad * 57.3;
			var vx:Number = Math.cos(rad);
			var vy:Number = Math.sin(rad);
			var object:Object = {vectorX:vx, vectorY:vy, magnitude:mag, angle:ang, radian:rad};

			return object;
		}
	}
}