p5通过彩色点线绘制爱心动画效果代码-html代码-BFW代码库

p5通过彩色点线绘制爱心动画效果代码

代码语言：html

所属分类：动画

代码描述：p5通过彩色点线绘制爱心动画效果代码

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 {
          margin: 0;
          padding: 0;
        }
        canvas {
          display: block;
        }
    </style>



</head>

<body>


    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/p5.1.4.0.js"></script>
    <script>
        let heart = [], particles = [], 
            a = 0, 
            cNoise, rNoise, colorNoise = [];
        const colors = ["#ffbe0b", "#fb5607", "#ff006e", "#8338ec", "#3a86ff"];
        
        const chunk = (arr, size) =>
          Array.from({ length: Math.ceil(arr.length / size) }, (v, i) =>
            arr.slice(i * size, i * size + size)
          );
        
        class NoiseLoop {
          constructor(d, min, max) {
            this.d = d;
            this.min = min;
            this.max = max;
            this.cx = random(320);
            this.cy = random(320);
          }
        
          value(a) {
            let xoff = map(cos(a), -1, 1, this.cx, this.cx + this.d);
            let yoff = map(sin(a), -1, 1, this.cy, this.cy + this.d);
            let r = noise(xoff, yoff);
            return map(r, 0, 1, this.min, this.max);
          }
        }
        
        class Particle {
          constructor(x, y, r, c) {
            this.x = x;
            this.y = y;
            
            this.c = c;
            
            this.r = r;
            
            this.homeX = x;
            this.homeY = y;
          }
          
          update() {
            
            // mouse
            let mouseD = dist(this.x, this.y, mouseX-width/2, mouseY-height/2);
            let mouseA = atan2(this.y - mouseY-height/2, this.x - mouseX-width/2);
            
            // home
            let homeD = dist(this.x, this.y, this.homeX, this.homeY);
            let homeA = atan2(this.homeY - this.y, this.homeX - this.x);
            
            // forces
            let mouseF = constrain(map(mouseD, 0, 100, 10, 0), 0, 10);
            let homeF = map(homeD, 0, 100, 0, 10);
            
            let vx = cos(mouseA) * mouseF;
            vx += cos(homeA) * homeF;
            
            let vy = sin(mouseA) * mouseF;
            vy += sin(homeA) * homeF;
            
            
            this.x += vx;
            this.y += vy;
          }
          
          draw() {
            fill(this.c);
            ellipse(this.x, this.y, this.r);
          }
        }
        
        function setup() {
.........完整代码请登录后点击上方下载按钮下载查看