js+ canvas 实现人物走动

在网上看了一篇管道工玛利亚走动的图片,感觉人物走动的太生涩了,就写了一下代码改动一下:

js 代码:

//定义数组图片集合
			var marios = new Array("image/QQ截图20141119164825.png", "image/QQ截图20141119164845.png", "image/QQ截图20141119164908.png");
			var mario = new Image();
			var canvas;
			var ctx;
			var i = -1;
			var num = 0;

			function init() {
				//alert("----------")
				setInterval("draw()", 200);
			}

			function draw() {
				i++;
				//alert(i)
				mario.src = marios[i];
				//alert(mario)
				canvas = document.getElementById("mycanvas");
				ctx = canvas.getContext("2d");
				ctx.clearRect(0, 0, 400, 100) 
				ctx.drawImage(mario, num, 0);
				num += 10;
				if (num == 400) {
					num = 0;
				}
				if (i == 2) {
					i = -1;
				}
			}
html代码:

<body onload="init()">
		<canvas id="mycanvas" width="400" height="100" style="border: 1px solid #888888;"></canvas>
	</body>
图片:

            

原文地址:https://www.cnblogs.com/yutingliuyl/p/7087105.html