HTML 판단 손가락 미끄럼

8348 단어 js

HTML 판단 손가락 미끄럼

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
	</head>
	<style type="text/css">
		* {
     
			touch-action: pan-y;
		}
	</style>
	<body>
	</body>
	<script type="text/javascript">
		var windowHeight = $(window).height(),
			$body = $("body");
		$body.css("height", windowHeight); // 
		$("body").on("touchstart", function(e) {
     
			e.preventDefault();
			startX = e.originalEvent.changedTouches[0].pageX,
				startY = e.originalEvent.changedTouches[0].pageY;
		});
		$("body").on("touchmove", function(e) {
     
			e.preventDefault();
			moveEndX = e.originalEvent.changedTouches[0].pageX,
				moveEndY = e.originalEvent.changedTouches[0].pageY,
				X = moveEndX - startX,
				Y = moveEndY - startY;

			if (Math.abs(X) > Math.abs(Y) && X > 0) {
     
				console.log('left 2 right');
			} else if (Math.abs(X) > Math.abs(Y) && X < 0) {
     
				console.log('right 2 left');
			} else if (Math.abs(Y) > Math.abs(X) && Y > 0) {
     
				console.log('top 2 bottom');

			} else if (Math.abs(Y) > Math.abs(X) && Y < 0) {
     
				console.log('bottom 2 top');

			} else {
     
				console.log('just touch');

			}
		});
	</script>
</html>

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