這次為了圖方便，就直接那pixi.js來上手做動畫了，動畫素材來源于油管視頻，拿到PS逐幀摳圖并導出，這個過程就不再詳細介紹了。合成后的精靈圖以及對應的json文件我會放在文章末尾。
<!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: $canvas,
width: pageWidth,
height: pageHeight,
transparent: true,
autoDensity: true,
antialias: true
})
// 人體時鐘
class Clock extends PIXI.Container {
constructor (name) {
super()
const textures = loader.resources[honeHoneClockJson].textures
let frames = []
let aniData = []
if (this.frames) {
frames = this.frames
aniData = this.aniData
}
else {
aniData = [
{
prefix: '0',
count: 6,
frameFrom: -1,
frameTo: -1,
},
{
prefix: '1',
count: 9,
frameFrom: -1,
frameTo: -1,
},
{
prefix: '2',
count: 7,
frameFrom: -1,
frameTo: -1,
},
{
prefix: '3',
count: 6,
frameFrom: -1,
frameTo: -1,
},
{
prefix: '4',
count: 9,
frameFrom: -1,
frameTo: -1,
},
{
prefix: '5',
count: 14,
frameFrom: -1,
frameTo: -1,
},
{
prefix: '6',
count: 7,
frameFrom: -1,
frameTo: -1,
},
{
prefix: '7',
count: 10,
frameFrom: -1,
frameTo: -1,
},
{
prefix: '8',
count: 7,
frameFrom: -1,
frameTo: -1,
},
{
prefix: '9',
count: 9,
frameFrom: -1,
frameTo: -1,
},
]
let k = 0
for (let i = 0; i < aniData.length; i++) {
const data = aniData[i]
data.frameFrom = k
for (let j = 1; j <= data.count; j++) {
k++
frames.push(textures[`${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)
// 開始動畫循環
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>
到此這篇關于canvas版人體時鐘的實現示例的文章就介紹到這了,更多相關canvas人體時鐘內容請搜索腳本之家以前的文章或繼續瀏覽下面的相關文章，希望大家以后多多支持腳本之家！
