p5实现canvas气球上升城市动画效果代码-html代码-BFW代码库

p5实现canvas气球上升城市动画效果代码

代码语言：html

所属分类：动画

代码描述：p5实现canvas气球上升城市动画效果代码

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

<html lang="en">
<head>

    <meta charset="UTF-8">





    <style>
        body {
            margin: 0;
            height: 100vh;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-template-rows: 1fr;
        }
    </style>



</head>

<body>

    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/p5.js"></script>
    <script>
        let nStars = 5000;
        nB = 50;
        let starA = [];
        let buildA = [];
        function setup() {
            cnv = createCanvas(windowWidth, windowHeight);
            makeStars();
            for (let i = 0; i < nB; i++) {
                buildA.push(new Building());
            }
            angleMode(DEGREES);
        }

        function draw() {
            background(30, 0, 255);
            translate(width / 2, height / 2);
            push();
            t = frameCount / 30;
            rotate(t);
            showStars();
            pop();
            fill(0, 255, 157);
            stroke(0, 255, 157);
            strokeWeight(2);
            line(20 * sin(t * 50), (height / 4) * sin(t * 10) - 100, 0, height / 2);
            ellipse(20 * sin(t * 50), (height / 4) * sin(t * 10) - 100, 100, 120);
            triangle(
                20 * sin(t * 50),
                (height / 4) * sin(t * 10) - 100,
                20 * sin(t * 50) + 5,
                (height / 4) * sin(t * 10) - 100 + 65,
                20 * sin(t * 50) - 5,
                (height / 4) * sin(t * 10) - 100 + 65
            );
            skyline();
            circle(0, height / 2, 10);
        }

        function makeStars() {
            for (let i = 0; i < nStars; i++) {
                starA.push(new Star());
            }
        }
        function showStars() {
            fill(225, 255, 0);
            noStroke();
            for (let i = 0; i <.........完整代码请登录后点击上方下载按钮下载查看