Function calIntervalTouchData

js/mui.gestures.js:281–312

(touch)

	};
	var CAL_INTERVAL = 25;
	var calIntervalTouchData = function(touch) {
		var session = $.gestures.session;
		var last = session.lastInterval || touch;
		var deltaTime = touch.timestamp - last.timestamp;
		var velocity;
		var velocityX;
		var velocityY;
		var direction;

		if (touch.gesture.type != $.EVENT_CANCEL && (deltaTime > CAL_INTERVAL || last.velocity === undefined)) {
			var deltaX = last.deltaX - touch.deltaX;
			var deltaY = last.deltaY - touch.deltaY;

			var v = getVelocity(deltaTime, deltaX, deltaY);
			velocityX = v.x;
			velocityY = v.y;
			velocity = (abs(v.x) > abs(v.y)) ? v.x : v.y;
			direction = getDirection(deltaX, deltaY) || last.direction;

			session.lastInterval = touch;
		} else {
			velocity = last.velocity;
			velocityX = last.velocityX;
			velocityY = last.velocityY;
			direction = last.direction;
		}

		touch.velocity = velocity;
		touch.velocityX = velocityX;
		touch.velocityY = velocityY;
		touch.direction = direction;
	};
	var targetIds = {};
	var convertTouches = function(touches) {
		for (var i = 0; i < touches.length; i++) {