canvas实现鼠标交互式排斥点线效果代码
代码语言:html
所属分类:其他
代码描述:canvas实现鼠标交互式排斥点线效果代码,鼠标放上去试试。
下面为部分代码预览,完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<style>
html, body {
padding: 0;
margin: 0;
}
#background-canvas {
position: absolute;
top: 0;
left: 0;
}
</style>
</head>
<body>
<canvas id="background-canvas"></canvas>
<script>
const canvasEl = document.querySelector('#background-canvas');
const canvasCxt = canvasEl.getContext('2d');
const params = {
number: 80,
rotationSpeed: .0005,
mouseMagnet: 50000,
trajectorySquash: [2, 1],
trajectoryAngle: -.4,
mouseThreshold: .05 };
let mouse = {
x: 0, y: 0 };
// for codepen preview only
let mouseMoved = false;
// set up the <canvas> and screen object to be used for balls data array
let screen;
resizeCanvas();
// set up balls data array
let ballsData;
initBallsArray();
// run the rendering loop
updateCanvas(0);
// set up events
document.onmousemove = function (e) {
mouse.x = e.pageX;
mouse.y = e.pageY;
// for codepen preview only
mouseMoved = true;
};
document.ontouchmove = function (e) {
mouse.x = e.targetTouches[0].pageX;
mouse.y = e.targetTouches[0].pageY;
.........完整代码请登录后点击上方下载按钮下载查看
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