p5实现canvas等边三角形旋转动画效果代码-html代码-BFW代码库

p5实现canvas等边三角形旋转动画效果代码

代码语言：html

所属分类：动画

代码描述：p5实现canvas等边三角形旋转动画效果代码

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>
        body {
          background: radial-gradient(circle, wheat, darkred);
          overflow: hidden;
        }
        canvas {
          display: block;
        }
        ul {
          position: fixed;
          top: 0;
          left: 0;
          padding: 1rem;
        }
        ul a {
          color: wheat;
        }
    </style>


</head>

<body>
    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/p5.0.10.2.js"></script>
    <script>
        let orthocenter;
        let rotation;
        let altitude;
        let lightness;
        let weight; // stroke weight
        let lightnessStep;
        let rotationStep;
        
        function setup() {
          const dims = createVector(innerWidth, innerHeight);
          createCanvas(dims.x, dims.y);
        
          orthocenter = createVector(dims.x >> 1, dims.y >> 1);
          altitude = Math.min(dims.x, dims.y) >> 1;
          lightness = 0;
          lightnessStep = 4;
          rotation = -Math.PI / 9;
          rotationStep = 0.01;
          weight = Math.min(dims.x, dims.y) / 100;
        }
        
        function midpoint(vA, vB) {
          return vA.copy().add(vB).mult(.5);
        }
        
        function tri(vA, vB, vC, i) {
          stroke(0);
          strokeWeight(weight);
          strokeJoin(ROUND);
          colorMode(HSB);
          fill((i * 0xf + lightness) % 0xff, 0x2a, (i * 0xf + lightness * .25) % 0xff);
          triangle(vA.x, vA.y, vB.x, vB.y, vC.x, vC.y);
        }
        
        function draw() {
          const r = altitude * 2 / 3;
        
          blendMode(REMOVE);
.........完整代码请登录后点击上方下载按钮下载查看