我正试着用画布画一条二次曲线。代码如下:
HTML:
<canvas id="mycanvas">
Your browser is not supported.
</canvas>
JavaScript:
var canvas = document.getElementById("mycanvas");
canvas.style.width = "1000px";
canvas.style.height = "1000px";
if (canvas.getContext) {
var ctx = canvas.getContext("2d");
var x = 0,
y = 0;
setInterval(function() {
ctx.lineTo(x, y);
ctx.stroke();
x += 1;
y = 0.01 * x * x;
}, 100);
}
但是结果真的很难看,第一,线条太粗,第二,别名太明显了……我该如何改进它呢?
你可以在这里看到效果:http://jsfiddle.net/7wNmx/1/
https://stackoverflow.com/questions/6032263
复制相似问题