canvas可交互液态文本悬浮效果代码-html代码-BFW代码库

canvas可交互液态文本悬浮效果代码

代码语言：html

所属分类：悬停

代码描述：canvas可交互液态文本悬浮效果代码，文字像水滴一样，鼠标悬浮还会移动。

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>
    body {
        overflow: hidden;
        background: #ffaaaa;
    }
    #canvas1 {
        position: absolute;
        width: 1200px;
        heigth: 600px;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        filter: url("#goo");
        border: 1px solid white;
    }
footer, article {
  font-family: monospace;
  position: absolute;
  width: 100%;
  color: white;
  font-size: 15px;
  text-shadow: 1px 1px 1px #737373; 
  background: rgba(255,255,255,0.4);
}
footer {
  left: 0;
  bottom: 0;
  width: 100%;
  text-align: center;
  height: 30px;
  line-height: 30px;
  padding-right: 20px;
}
footer a{
  color: white;
}
article {
  top: 10px;
  z-index: 100;
  width: 50%;
  max-width: 350px;
  font-size: 15px;
  color: white;
  padding: 20px;
  border-radius: 0 0 5px 0;
}
</style>

</head>
<body>
<!-- partial:index.partial.html -->
<canvas id="canvas1"></canvas>

<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
    <defs>
        <filter id="goo">
            <feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" />
            <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 22 -9" result="goo" />
            <feBlend in="SourceGraphic" in2="goo" />
        </filter>
    </defs>
</svg>

<article>
<br>
</article>


<!-- partial -->
  <script>
      
      const canvas = document.getElementById("canvas1");
const ctx = canvas.getContext("2d");
canvas.width = 1200;
canvas.height = 600;
let particleArray = [];
let adjustX = -10;
let adjustY = 3;

// get mouse mouse position //
let mouse = {
	x: null,
	y: null,
  radius: 150
}

let canvasPosition = canvas.getBoundingClientRect();
window.addEventListener('mousemove', 
	function(e){
    mouse.x = e.x - canvasPosition.left;
    mouse.y = e.y - canvasPosition.top;
});

ctx.font = 'bold 11px Verdana';
ctx.fillText('BFW.WIKI', 2, 20);
const data = ctx.getImageData(0, 0, canvas.width, 100);

class Particle {
    constructor(x, y){
        this.x = x + 200,
        this.y = y - 100,
        this.size = 4,
        this.baseX = this.x,
        this.baseY = this.y,
        this.density = ((Math.random() * 20) + 1);
    }
    draw() {
        ctx.fillStyle = 'white';
        ctx.beginPath();
        ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
        ctx.closePath();
        ctx.fill();
    }
    update() {
        // check mouse position/particle position - collision detection
        let dx = mouse.x - this.x;
        let dy = mouse.y - this.y;
        let distance = Math.sqrt(dx*dx + dy*dy);
        let forceDirectionX = dx / distance;
        let forceDirectionY = dy / distance;
        // distance past which the force is zero
        var maxDistance = mouse.radius;
        // convert (0...maxDistance) range into a (1...0).
        // Close is near 1, far is near 0
        // for example:
        //   250 => 0.75
        //   100 => 0.9
        //   10  => 0.99
        var force = (maxDistance - distance) / maxDistance;

        // if we went below zero, set it to zero.
        if (force < 0) force = 0;

        let directionX .........完整代码请登录后点击上方下载按钮下载查看