Touch properties updates (and corresponding gestures fixes)

src/org/gestouch/core/Touch.as

@@ -1,6 +1,7 @@
 package org.gestouch.core
 {
 	import flash.display.InteractiveObject;
+	import flash.geom.Point;
 
 
 	/**
@@ -20,18 +21,11 @@ package org.gestouch.core
 		 */
 		public var target:InteractiveObject;
 		
-		public var x:Number;
-		public var y:Number;
 		public var sizeX:Number;
 		public var sizeY:Number;
 		public var pressure:Number;
-		public var time:uint;
 		
-//		public var touchBeginPos:Point;
-//		public var touchBeginTime:uint;
-//		public var moveOffset:Point;
 //		public var lastMove:Point;
-//		public var velocity:Point;
 		
 		
 		public function Touch(id:uint = 0)
@@ -40,16 +34,76 @@ package org.gestouch.core
 		}
 		
 		
+		protected var _location:Point;
+		public function get location():Point
+		{
+			return _location.clone();
+		}
+		gestouch_internal function setLocation(value:Point):void
+		{
+			_location = value;
+			_beginLocation = _location.clone();
+		}
+		gestouch_internal function updateLocation(x:Number, y:Number):void
+		{
+			if (_location)
+			{
+				_location.x = x;
+				_location.y = y;
+			}
+			else
+			{
+				gestouch_internal::setLocation(new Point(x, y));
+			}
+		}
+		
+		
+		protected var _beginLocation:Point;
+		public function get beginLocation():Point
+		{
+			return _beginLocation.clone();
+		}
+		
+		
+		public function get locationOffset():Point
+		{
+			return _location.subtract(_beginLocation);
+		}
+		
+		
+		protected var _time:uint;
+		public function get time():uint
+		{
+			return _time;
+		}
+		gestouch_internal function setTime(value:uint):void
+		{
+			_time = value;
+		}
+		
+		
+		protected var _beginTime:uint;
+		public function get beginTime():uint
+		{
+			return _beginTime;
+		}
+		gestouch_internal function setBeginTime(value:uint):void
+		{
+			_beginTime = value;
+		}
+		
+		
 		public function clone():Touch
 		{
 			var touch:Touch = new Touch(id);
-			touch.x = x;
+			touch._location = _location;
-			touch.y = y;
+			touch._beginLocation = _beginLocation;
 			touch.target = target;
 			touch.sizeX = sizeX;
 			touch.sizeY = sizeY;
 			touch.pressure = pressure;
-			touch.time = time;
+			touch._time = _time;
+			touch._beginTime = _beginTime;
 			
 			return touch;
 		}
@@ -57,7 +111,7 @@ package org.gestouch.core
 		
 		public function toString():String
 		{
-			return "Touch [id: " + id + ", x: " + x + ", y: " + y + ", ...]";
+			return "Touch [id: " + id + ", location: " + location + ", ...]";
 		}
 	}
 }

src/org/gestouch/gestures/Gesture.as

@@ -359,14 +359,14 @@ package org.gestouch.gestures
 		
 		protected function updateCentralPoint():void
 		{
-			var touch:Touch;
+			var touchLocation:Point;
 			var x:Number = 0;
 			var y:Number = 0;
 			for (var touchID:String in _touchesMap)
 			{
-				touch = _touchesMap[int(touchID)] as Touch;
+				touchLocation = (_touchesMap[int(touchID)] as Touch).location; 
-				x += touch.x;
+				x += touchLocation.x;
-				y += touch.y;
+				y += touchLocation.y;
 			}
 			_centralPoint.x = x / _touchesCount;
 			_centralPoint.y = y / _touchesCount;

src/org/gestouch/gestures/LongPressGesture.as

@@ -28,8 +28,6 @@ package org.gestouch.gestures
 		public var slop:Number = Gesture.DEFAULT_SLOP;
 		
 		protected var _timer:Timer;
-		protected var _touchBeginX:Array = [];
-		protected var _touchBeginY:Array = [];
 		protected var _numTouchesRequiredReached:Boolean;
 		
 		
@@ -57,8 +55,6 @@ package org.gestouch.gestures
 		{
 			super.reset();
 			
-			_touchBeginX.length = 0;
-			_touchBeginY.length = 0;
 			_numTouchesRequiredReached = false;
 			_timer.reset();
 		}
@@ -96,9 +92,6 @@ package org.gestouch.gestures
 				return;
 			}
 			
-			_touchBeginX[touch.id] = touch.x;
-			_touchBeginY[touch.id] = touch.y;
-			
 			if (touchesCount == numTouchesRequired)
 			{
 				_numTouchesRequiredReached = true;
@@ -120,10 +113,7 @@ package org.gestouch.gestures
 		{
 			if (state == GestureState.POSSIBLE && slop > 0)
 			{
-				// Fail if touch overcome slop distance
+				if (touch.locationOffset.length > slop)
-				var dx:Number = Number(_touchBeginX[touch.id]) - touch.x;
-				var dy:Number = Number(_touchBeginY[touch.id]) - touch.y;
-				if (Math.sqrt(dx*dx + dy*dy) > slop)
 				{
 					setState(GestureState.FAILED);
 					return;

src/org/gestouch/gestures/PanGesture.as

@@ -24,9 +24,6 @@ package org.gestouch.gestures
 		 */
 		public var direction:uint = PanGestureDirection.NO_DIRECTION;
 		
-		protected var _touchBeginX:Array = [];
-		protected var _touchBeginY:Array = [];
-		
 		
 		public function PanGesture(target:InteractiveObject = null)
 		{
@@ -92,15 +89,6 @@ package org.gestouch.gestures
 		}
 		
 		
-		override public function reset():void
-		{			
-			_touchBeginX.length = 0;
-			_touchBeginY.length = 0;
-
-			super.reset();
-		}
-		
-		
 		
 		
 		// --------------------------------------------------------------------------
@@ -118,9 +106,6 @@ package org.gestouch.gestures
 				return;
 			}
 			
-			_touchBeginX[touch.id] = touch.x;
-			_touchBeginY[touch.id] = touch.y;
-			
 			if (touchesCount >= minNumTouchesRequired)
 			{
 				updateLocation();
@@ -141,9 +126,17 @@ package org.gestouch.gestures
 			if (state == GestureState.POSSIBLE)
 			{
 				// Check if finger moved enough for gesture to be recognized
-				var dx:Number = (direction == PanGestureDirection.VERTICAL) ? 0 : Number(_touchBeginX[touch.id]) - touch.x;
+				var locationOffset:Point = touch.locationOffset;
-				var dy:Number = (direction == PanGestureDirection.HORIZONTAL) ? 0 : Number(_touchBeginY[touch.id]) - touch.y;
+				if (direction == PanGestureDirection.VERTICAL)
-				if (Math.sqrt(dx*dx + dy*dy) > slop || slop != slop)//faster isNaN(slop)
+				{
+					locationOffset.x = 0;
+				}
+				else if (direction == PanGestureDirection.HORIZONTAL)
+				{
+					locationOffset.y = 0;
+				}
+				
+				if (locationOffset.length > slop || slop != slop)//faster isNaN(slop)
 				{
 					prevLocationX = _location.x;
 					prevLocationY = _location.y;

src/org/gestouch/gestures/RotateGesture.as

@@ -21,8 +21,6 @@ package org.gestouch.gestures
 	{
 		public var slop:Number = Gesture.DEFAULT_SLOP >> 1;
 		
-		protected var _touchBeginX:Array = [];
-		protected var _touchBeginY:Array = [];
 		protected var _rotationVector:Point = new Point();
 		protected var _firstTouch:Touch;
 		protected var _secondTouch:Touch;
@@ -48,15 +46,6 @@ package org.gestouch.gestures
 		}
 		
 		
-		override public function reset():void
-		{			
-			_touchBeginX.length = 0;
-			_touchBeginY.length = 0;
-
-			super.reset();
-		}
-		
-		
 		
 		
 		// --------------------------------------------------------------------------
@@ -82,13 +71,7 @@ package org.gestouch.gestures
 			{
 				_secondTouch = touch;
 				
-				_touchBeginX[_firstTouch.id] = _firstTouch.x;
+				_rotationVector = _secondTouch.location.subtract(_firstTouch.location);
-				_touchBeginY[_firstTouch.id] = _firstTouch.y;
-				_touchBeginX[_secondTouch.id] = _secondTouch.x;
-				_touchBeginY[_secondTouch.id] = _secondTouch.y;
-				
-				_rotationVector.x = _secondTouch.x - _firstTouch.x;
-				_rotationVector.y = _secondTouch.y - _firstTouch.y;
 			}
 		}
 		
@@ -106,19 +89,14 @@ package org.gestouch.gestures
 			
 			if (touchesCount == 2)
 			{
-				var currRotationVector:Point = new Point(_secondTouch.x - _firstTouch.x, _secondTouch.y - _firstTouch.y);
 				var recognized:Boolean;
 				
 				if (state == GestureState.POSSIBLE)
 				{
 					// we start once any finger moved enough
-					var dx:Number = Number(_touchBeginX[touch.id]) - touch.x;
+					if (touch.locationOffset.length > slop || slop != slop)//faster isNaN(slop)
-					var dy:Number = Number(_touchBeginY[touch.id]) - touch.y;
-					if (Math.sqrt(dx*dx + dy*dy) > slop || slop != slop)//faster isNaN(slop)
 					{
 						recognized = true;
-						_rotationVector.x = _secondTouch.x - _firstTouch.x;
-						_rotationVector.y = _secondTouch.y - _firstTouch.y;
 					}
 				}
 				else
@@ -128,13 +106,14 @@ package org.gestouch.gestures
 				
 				if (recognized)
 				{
-					updateLocation();
+					var currRotationVector:Point = _secondTouch.location.subtract(_firstTouch.location);
-					
 					var rotation:Number = Math.atan2(currRotationVector.y, currRotationVector.x) - Math.atan2(_rotationVector.y, _rotationVector.x);
 					rotation *= GestureUtils.RADIANS_TO_DEGREES;
 					_rotationVector.x = currRotationVector.x;
 					_rotationVector.y = currRotationVector.y;
 					
+					updateLocation();
+					
 					if (state == GestureState.POSSIBLE)
 					{
 						if (setState(GestureState.BEGAN) && hasEventListener(RotateGestureEvent.GESTURE_ROTATE))

src/org/gestouch/gestures/TapGesture.as

@@ -24,8 +24,6 @@ package org.gestouch.gestures
 		public var maxTapDuration:uint = 1500;
 		
 		protected var _timer:Timer;
-		protected var _touchBeginX:Array = [];
-		protected var _touchBeginY:Array = [];
 		protected var _numTouchesRequiredReached:Boolean;
 		protected var _tapCounter:uint = 0;
 		
@@ -52,8 +50,6 @@ package org.gestouch.gestures
 			
 		override public function reset():void
 		{
-			_touchBeginX.length = 0;
-			_touchBeginY.length = 0;
 			_numTouchesRequiredReached = false;
 			_tapCounter = 0;
 			_timer.reset();
@@ -100,9 +96,6 @@ package org.gestouch.gestures
 				return;
 			}
 			
-			_touchBeginX[touch.id] = touch.x;
-			_touchBeginY[touch.id] = touch.y;
-			
 			if (touchesCount == 1)
 			{
 				_timer.reset();
@@ -119,15 +112,9 @@ package org.gestouch.gestures
 		
 		override protected function onTouchMove(touch:Touch):void
 		{
-			if (slop >= 0)
+			if (slop >= 0 && touch.locationOffset.length > slop)
 			{
-				// Fail if touch overcome slop distance
+				setState(GestureState.FAILED);
-				var dx:Number = Number(_touchBeginX[touch.id]) - touch.x;
-				var dy:Number = Number(_touchBeginY[touch.id]) - touch.y;
-				if (Math.sqrt(dx*dx + dy*dy) > slop)
-				{
-					setState(GestureState.FAILED);
-				}
 			}
 		}
 		

src/org/gestouch/gestures/ZoomGesture.as

@@ -21,8 +21,6 @@ package org.gestouch.gestures
 		public var slop:Number = Gesture.DEFAULT_SLOP >> 1;
 		public var lockAspectRatio:Boolean = true;
 		
-		protected var _touchBeginX:Array = [];
-		protected var _touchBeginY:Array = [];
 		protected var _scaleVector:Point = new Point();
 		protected var _firstTouch:Touch;
 		protected var _secondTouch:Touch;
@@ -48,15 +46,6 @@ package org.gestouch.gestures
 		}
 		
 		
-		override public function reset():void
-		{			
-			_touchBeginX.length = 0;
-			_touchBeginY.length = 0;
-
-			super.reset();
-		}
-		
-		
 		
 		
 		// --------------------------------------------------------------------------
@@ -82,13 +71,7 @@ package org.gestouch.gestures
 			{
 				_secondTouch = touch;
 				
-				_touchBeginX[_firstTouch.id] = _firstTouch.x;
+				_scaleVector = _secondTouch.location.subtract(_firstTouch.location);
-				_touchBeginY[_firstTouch.id] = _firstTouch.y;
-				_touchBeginX[_secondTouch.id] = _secondTouch.x;
-				_touchBeginY[_secondTouch.id] = _secondTouch.y;
-				
-				_scaleVector.x = _secondTouch.x - _firstTouch.x;
-				_scaleVector.y = _secondTouch.y - _firstTouch.y;
 			}
 		}
 		
@@ -106,19 +89,14 @@ package org.gestouch.gestures
 			
 			if (touchesCount == 2)
 			{
-				var currScaleVector:Point = new Point(_secondTouch.x - _firstTouch.x, _secondTouch.y - _firstTouch.y);
 				var recognized:Boolean;
 				
 				if (state == GestureState.POSSIBLE)
 				{
 					// Check if finger moved enough for gesture to be recognized
-					var dx:Number = Number(_touchBeginX[touch.id]) - touch.x;
+					if (touch.locationOffset.length > slop || slop != slop)//faster isNaN(slop)
-					var dy:Number = Number(_touchBeginY[touch.id]) - touch.y;
-					if (Math.sqrt(dx*dx + dy*dy) > slop || slop != slop)//faster isNaN(slop)
 					{
 						recognized = true;
-						_scaleVector.x = _secondTouch.x - _firstTouch.x;
-						_scaleVector.y = _secondTouch.y - _firstTouch.y;
 					}
 				}
 				else
@@ -128,8 +106,7 @@ package org.gestouch.gestures
 				
 				if (recognized)
 				{
-					updateLocation();
+					var currScaleVector:Point = _secondTouch.location.subtract(_firstTouch.location);
-					
 					var scaleX:Number;
 					var scaleY:Number;
 					if (lockAspectRatio)
@@ -145,6 +122,8 @@ package org.gestouch.gestures
 					_scaleVector.x = currScaleVector.x;
 					_scaleVector.y = currScaleVector.y;
 					
+					updateLocation();
+					
 					if (state == GestureState.POSSIBLE)
 					{
 						if (setState(GestureState.BEGAN) && hasEventListener(ZoomGestureEvent.GESTURE_ZOOM))

src/org/gestouch/input/MouseInputAdapter.as

@@ -7,6 +7,7 @@ package org.gestouch.input
 	import flash.display.Stage;
 	import flash.events.EventPhase;
 	import flash.events.MouseEvent;
+	import flash.geom.Point;
 	import flash.utils.getTimer;
 
 
@@ -78,9 +79,9 @@ package org.gestouch.input
 			var touch:Touch = _touchesManager.createTouch();
 			touch.id = 0;
 			touch.target = event.target as InteractiveObject;
-			touch.x = event.stageX;
+			touch.gestouch_internal::setLocation(new Point(event.stageX, event.stageY));
-			touch.y = event.stageY;
+			touch.gestouch_internal::setTime(getTimer());
-			touch.time = getTimer();
+			touch.gestouch_internal::setBeginTime(getTimer());
 			
 			_touchesManager.addTouch(touch);
 			
@@ -96,9 +97,8 @@ package org.gestouch.input
 				return;
 			
 			var touch:Touch = _touchesManager.getTouch(PRIMARY_TOUCH_POINT_ID);
-			touch.x = event.stageX;
+			touch.gestouch_internal::updateLocation(event.stageX, event.stageY);
-			touch.y = event.stageY;
+			touch.gestouch_internal::setTime(getTimer());
-			touch.time = getTimer();
 			
 			_gesturesManager.gestouch_internal::onTouchMove(touch);
 		}
@@ -117,9 +117,8 @@ package org.gestouch.input
 				return;
 			
 			var touch:Touch = _touchesManager.getTouch(PRIMARY_TOUCH_POINT_ID);
-			touch.x = event.stageX;
+			touch.gestouch_internal::updateLocation(event.stageX, event.stageY);
-			touch.y = event.stageY;
+			touch.gestouch_internal::setTime(getTimer());
-			touch.time = getTimer();
 			
 			_gesturesManager.gestouch_internal::onTouchEnd(touch);
 			

src/org/gestouch/input/TouchInputAdapter.as

@@ -7,6 +7,7 @@ package org.gestouch.input
 	import flash.display.Stage;
 	import flash.events.EventPhase;
 	import flash.events.TouchEvent;
+	import flash.geom.Point;
 	import flash.utils.getTimer;
 
 
@@ -81,19 +82,20 @@ package org.gestouch.input
 			var touch:Touch = _touchesManager.createTouch();
 			touch.id = event.touchPointID;
 			touch.target = event.target as InteractiveObject;
-			touch.x = event.stageX;
+			touch.gestouch_internal::setLocation(new Point(event.stageX, event.stageY));
-			touch.y = event.stageY;
 			touch.sizeX = event.sizeX;
 			touch.sizeY = event.sizeY;
 			touch.pressure = event.pressure;
 			//TODO: conditional compilation?
 			if (event.hasOwnProperty("timestamp"))
 			{
-				touch.time = event["timestamp"];
+				touch.gestouch_internal::setTime(event["timestamp"]);
+				touch.gestouch_internal::setBeginTime(event["timestamp"]);
 			}
 			else
 			{
-				touch.time = getTimer();
+				touch.gestouch_internal::setTime(getTimer());
+				touch.gestouch_internal::setBeginTime(getTimer());
 			}
 			
 			_touchesManager.addTouch(touch);
@@ -111,19 +113,18 @@ package org.gestouch.input
 				return;
 			
 			var touch:Touch = _touchesManager.getTouch(event.touchPointID);
-			touch.x = event.stageX;
+			touch.gestouch_internal::updateLocation(event.stageX, event.stageY);
-			touch.y = event.stageY;
 			touch.sizeX = event.sizeX;
 			touch.sizeY = event.sizeY;
 			touch.pressure = event.pressure;
 			//TODO: conditional compilation?
 			if (event.hasOwnProperty("timestamp"))
 			{
-				touch.time = event["timestamp"];
+				touch.gestouch_internal::setTime(event["timestamp"]);
 			}
 			else
 			{
-				touch.time = getTimer();
+				touch.gestouch_internal::setTime(getTimer());
 			}
 			
 			_gesturesManager.gestouch_internal::onTouchMove(touch);
@@ -142,19 +143,18 @@ package org.gestouch.input
 				return;
 			
 			var touch:Touch = _touchesManager.getTouch(event.touchPointID);
-			touch.x = event.stageX;
+			touch.gestouch_internal::updateLocation(event.stageX, event.stageY);
-			touch.y = event.stageY;
 			touch.sizeX = event.sizeX;
 			touch.sizeY = event.sizeY;
 			touch.pressure = event.pressure;
 			//TODO: conditional compilation?
 			if (event.hasOwnProperty("timestamp"))
 			{
-				touch.time = event["timestamp"];
+				touch.gestouch_internal::setTime(event["timestamp"]);
 			}
 			else
 			{
-				touch.time = getTimer();
+				touch.gestouch_internal::setTime(getTimer());
 			}
 			
 			_gesturesManager.gestouch_internal::onTouchEnd(touch);