html炫酷地球特效代码
时间: 2023-08-31 21:13:06 浏览: 373
HTML炫酷特效源码
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要实现html炫酷地球特效,可以使用HTML5和Canvas元素来绘制3D地球。首先,在HTML中添加一个canvas元素,并使用JavaScript获取该元素的上下文。然后,在canvas中使用JavaScript绘制地球,并使用动画循环来实现旋转效果。以下是一个示例代码:
```html
<!DOCTYPE html>
<html>
<head>
<style>
canvas {
display: block;
margin: 0 auto;
}
</style>
</head>
<body>
<canvas id="earthCanvas" width="600" height="600"></canvas>
<script>
var canvas = document.getElementById('earthCanvas');
var context = canvas.getContext('2d');
var earthRadius = 200; // 地球半径
var earthColor = '#0099ff'; // 地球颜色
var rotationAngle = 0; // 地球旋转角度
function drawEarth() {
context.clearRect(0, 0, canvas.width, canvas.height);
// 绘制地球
context.beginPath();
context.arc(canvas.width / 2, canvas.height / 2, earthRadius, 0, 2 * Math.PI);
context.fillStyle = earthColor;
context.fill();
context.closePath();
// 旋转地球
rotationAngle += 0.01;
context.translate(canvas.width / 2, canvas.height / 2);
context.rotate(rotationAngle);
context.translate(-canvas.width / 2, -canvas.height / 2);
// 循环绘制
requestAnimationFrame(drawEarth);
}
drawEarth();
</script>
</body>
</html>
```
这段代码会在一个600x600像素的canvas中绘制一个蓝色的地球,并通过动画循环实现地球的旋转效果。你可以根据需要调整地球的半径、颜色和动画的速度等参数。请在浏览器中打开该HTML文件,即可看到炫酷的地球特效。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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