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不知道老网民们还记不记得这个魔性的时钟插件:
作为网上冲浪十数载的网虫,不久前看到这个图瞬间破防,直接梦回10年前的QQ空间,感叹一下岁月蹉跎、时光荏苒、青春不在、不胜唏嘘。
十年后的今天,flash在各个浏览器都已经不再支持,已经是个不再那个只会用脚本打扮QQ空间的我,自然得用青春换来得技术还原一下自己的青春记忆。
首先感谢原作者提供的如此优秀好玩的插件: http://chabudai.org/blog/?p=59
这次为了图方便,就直接那pixi.js来上手做动画了,动画素材来源于油管视频,拿到PS逐帧抠图并导出,这个过程就不再详细介绍了。合成后的精灵图以及对应的json文件我会放在文章末尾。
核心的API是PIXI.AnimatedSprite。
代码也是很短,就直接放到下面了
<!doctype html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>HoneHoneClock</title> <style> * { padding: 0; margin: 0; } html, body { width: 100%; height: 100%; } body { background-color: lightcyan; } canvas { position: absolute; left: 0; top: 0; width: 100%; height: 100%; z-index: 1; } </style> </head> <body> <canvas class="canvas"></canvas> <script src="pixi_5.3.4.min.js"></script> <script src="Stats.min.js"></script> <script> (async function () { const stats = new Stats() document.body.appendChild(stats.domElement) let pageWidth = 0 let pageHeight = 0 let clockHour1, clockHour2 let clockMin1, clockMin2 let clockSec1, clockSec2 const $canvas = document.querySelector('canvas') const renderer = new PIXI.Renderer({ view: $canvas, width: pageWidth, height: pageHeight, transparent: true, autoDensity: true, antialias: true }) // 人体时钟 class Clock extends PIXI.Container { constructor (name) { super() const textures = loader.resources[honeHoneClockJson].textures let frames = [] let aniData = [] if (this.frames) { frames = this.frames aniData = this.aniData } else { aniData = [ { prefix: '0', count: 6, frameFrom: -1, frameTo: -1, }, { prefix: '1', count: 9, frameFrom: -1, frameTo: -1, }, { prefix: '2', count: 7, frameFrom: -1, frameTo: -1, }, { prefix: '3', count: 6, frameFrom: -1, frameTo: -1, }, { prefix: '4', count: 9, frameFrom: -1, frameTo: -1, }, { prefix: '5', count: 14, frameFrom: -1, frameTo: -1, }, { prefix: '6', count: 7, frameFrom: -1, frameTo: -1, }, { prefix: '7', count: 10, frameFrom: -1, frameTo: -1, }, { prefix: '8', count: 7, frameFrom: -1, frameTo: -1, }, { prefix: '9', count: 9, frameFrom: -1, frameTo: -1, }, ] let k = 0 for (let i = 0; i < aniData.length; i++) { const data = aniData[i] data.frameFrom = k for (let j = 1; j <= data.count; j++) { k++ frames.push(textures[`${data.prefix}(${j}).png`]) } data.frameTo = k - 1 } this.frames = frames this.aniData = aniData } const ani = new PIXI.AnimatedSprite(frames) ani.anchor.set(0.5, 1) ani.animationSpeed = 0.4 this.stopAt = -1 ani.onFrameChange = () => { if (ani.currentFrame === this.stopAt) { ani.stop() } } this.addChild(ani) this.name = name this.ani = ani this.num = -1 } set number (number) { if (this.num !== number) { this.num = number this.stopAt = this.aniData[number].frameTo this.ani.gotoAndPlay(this.aniData[number].frameFrom) } } } const stage = new PIXI.Container() stage.name = 'stage' let clockWrap const ticker = new PIXI.Ticker() let now = new Date() let lastTime = now.getTime() const loop = function () { stats.begin() now = new Date() if (now.getTime() - lastTime >= 1000) { let hours = now.getHours() if (hours > 9) { clockHour1.number = Math.floor(hours / 10) clockHour2.number = hours % 10 } else { clockHour1.number = 0 clockHour2.number = hours } let minutes = now.getMinutes() if (minutes > 9) { clockMin1.number = Math.floor(minutes / 10) clockMin2.number = minutes % 10 } else { clockMin1.number = 0 clockMin2.number = minutes } let seconds = now.getSeconds() if (seconds > 9) { clockSec1.number = Math.floor(seconds / 10) clockSec2.number = seconds % 10 } else { clockSec1.number = 0 clockSec2.number = seconds } lastTime = now.getTime() } renderer.render(stage) stats.end() } ticker.add(loop) const honeHoneClockJson = 'HoneHoneClock.json' const loader = new PIXI.Loader() loader.add([honeHoneClockJson]) loader.onComplete.add(async (res) => { clockWrap = new PIXI.Container() clockWrap.position.set((pageWidth - 630) * 0.5, (pageHeight + 150) * 0.5) clockHour1 = new Clock('hour') clockHour2 = new Clock('hour') clockMin1 = new Clock('min') clockMin2 = new Clock('min') clockSec1 = new Clock('sec') clockSec2 = new Clock('sec') clockHour1.position.set(0, 0) clockHour2.position.set(100, 0) clockMin1.position.set(250, 0) clockMin2.position.set(350, 0) clockSec1.position.set(500, 0) clockSec2.position.set(600, 0) clockWrap.addChild(clockHour1) clockWrap.addChild(clockHour2) clockWrap.addChild(clockMin1) clockWrap.addChild(clockMin2) clockWrap.addChild(clockSec1) clockWrap.addChild(clockSec2) stage.addChild(clockWrap) // 开始动画循环 ticker.start() }) loader.load() const onResize = (e) => { pageWidth = document.body.clientWidth pageHeight = document.body.clientHeight if (clockWrap) { clockWrap.position.set((pageWidth - 630) * 0.5, (pageHeight + 150) * 0.5) } renderer.resize(pageWidth, pageHeight) } onResize() window.onresize = onResize })() </script> </body> </html>
完整代码戳这里
在线演示1 、 在线演示2
标签:
canvas,人体时钟
极乐门资源网 Design By www.ioogu.com
极乐门资源网
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极乐门资源网 Design By www.ioogu.com
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