- <!doctype html>
- <html>
- <head>
- <meta charset="utf-8">
- <title>瀑布效果</title>
- <style>
- body {
- background: #222;
- color: white;
- overflow:hidden;
- }
- #container {
- box-shadow: inset 0 1px 0 #444, 0 -1px 0 #000;
- height: 100vh;
- width: 100vw;
- position: absolute;
- left: 0;
- top: 0;
- margin: 0;
- will-change: transform;
- -webkit-transform: translateZ(0);
- transform: translateZ(0);
- }
- canvas#waterfall {
- display: block;
- margin: 0 auto;
- width: 30%;
- height: 55%;
- will-change: transform;
- -webkit-transform: translateZ(0);
- transform: translateZ(0);
- }
- .emma {
- height: 100vh;
- width: 100%;
- position: absolute;
- left: 0;
- top: 0;
- margin: 0;
- }
- h1 {
- color: #0af;
- font-size: 30vw;
- }
- canvas#surface {
- -webkit-animation: fade-in 3000ms forwards;
- animation: fade-in 3000ms forwards;
- display: block;
- left: 0;
- position: absolute;
- top: 0;
- z-index: -1;
- }
- @-webkit-keyframes fade-in {
- 0% {
- opacity: 0;
- }
- 100% {
- opacity: 1;
- }
- }
- @keyframes fade-in {
- 0% {
- opacity: 0;
- }
- 100% {
- opacity: 1;
- }
- }
- </style>
- </head>
- <body>
- <div id="container">
- <canvas id="waterfall"></canvas>
-
- <div class="emma flex">
- <div> </div>
- </div>
-
- </div>
- <script type="text/javascript" src="js/pixi.min.js"></script>
- <script type="text/javascript" src="js/tinycolor.min.js"></script>
- <script type="text/javascript">
- +!~-(function(PIXI, window, document, undefined) {
- var waterfallCanvas = function(c, cw, ch) {
- var _this = this;
- this.c = c;
- this.ctx = c.getContext('2d');
- this.cw = cw;
- this.ch = ch;
- this.particles = [];
- this.particleRate = 6;
- this.gravity = 0.15;
- this.init = function() {
- this.loop();
- };
- this.reset = function() {
- this.ctx.clearRect(0, 0, this.cw, this.ch);
- this.particles = [];
- };
- this.rand = function(rMi, rMa) {
- return ~~((Math.random() * (rMa - rMi + 1)) + rMi);
- };
- this.Particle = function() {
- var newWidth = _this.rand(1, 20);
- var newHeight = _this.rand(1, 45);
- this.x = _this.rand(10 + (newWidth / 2), _this.cw - 10 - (newWidth / 2));
- this.y = -newHeight;
- this.vx = 0;
- this.vy = 0;
- this.width = newWidth;
- this.height = newHeight;
- this.hue = _this.rand(200, 220);
- this.saturation = _this.rand(30, 60);
- this.lightness = _this.rand(30, 60);
- };
- this.Particle.prototype.update = function(i) {
- this.vx += this.vx;
- this.vy += _this.gravity;
- this.x += this.vx;
- this.y += this.vy;
- };
- this.Particle.prototype.render = function() {
- _this.ctx.strokeStyle = 'hsla(' + this.hue + ', ' + this.saturation + '%, ' + this.lightness + '%, .05)';
- _this.ctx.beginPath();
- _this.ctx.moveTo(this.x, this.y);
- _this.ctx.lineTo(this.x, this.y + this.height);
- _this.ctx.lineWidth = this.width / 2;
- _this.ctx.lineCap = 'round';
- _this.ctx.stroke();
- };
- this.Particle.prototype.renderBubble = function() {
- _this.ctx.fillStyle = 'hsla(' + this.hue + ', 40%, 40%, 1)';
- _this.ctx.fillStyle = 'hsla(' + this.hue + ', ' + this.saturation + '%, ' + this.lightness + '%, .3)';
- _this.ctx.beginPath();
- _this.ctx.arc(this.x + this.width / 2, _this.ch - 20 - _this.rand(0, 10), _this.rand(1, 8), 0, Math.PI * 2, false);
- _this.ctx.fill();
- };
- this.createParticles = function() {
- var i = this.particleRate;
- while (i--) {
- this.particles.push(new this.Particle());
- }
- };
- this.removeParticles = function() {
- var i = this.particleRate;
- while (i--) {
- var p = this.particles[i];
- if (p.y > _this.ch - 20 - p.height) {
- p.renderBubble();
- _this.particles.splice(i, 1);
- }
- }
- };
- this.updateParticles = function() {
- var i = this.particles.length;
- while (i--) {
- var p = this.particles[i];
- p.update(i);
- }
- };
- this.renderParticles = function() {
- var i = this.particles.length;
- while (i--) {
- var p = this.particles[i];
- p.render();
- }
- };
- this.clearCanvas = function() {
- this.ctx.globalCompositeOperation = 'destination-out';
- this.ctx.fillStyle = 'rgba(255,255,255,.06)';
- this.ctx.fillRect(0, 0, this.cw, this.ch);
- this.ctx.globalCompositeOperation = 'lighter';
- };
- this.loop = function() {
- var loopIt = function() {
- requestAnimationFrame(loopIt, _this.c);
- _this.clearCanvas();
- _this.createParticles();
- _this.updateParticles();
- _this.renderParticles();
- _this.removeParticles();
- };
- loopIt();
- };
- };
- var isCanvasSupported = function() {
- var elem = document.createElement('canvas');
- return !!(elem.getContext && elem.getContext('2d'));
- };
- var setupRAF = function() {
- var lastTime = 0;
- var vendors = ['ms', 'moz', 'webkit', 'o'];
- for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
- window.requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame'];
- window.cancelAnimationFrame = window[vendors[x] + 'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];
- }
- if (!window.requestAnimationFrame) {
- window.requestAnimationFrame = function(callback, element) {
- var currTime = new Date().getTime();
- var timeToCall = Math.max(0, 16 - (currTime - lastTime));
- var id = window.setTimeout(function() {
- callback(currTime + timeToCall);
- }, timeToCall);
- lastTime = currTime + timeToCall;
- return id;
- };
- }
- if (!window.cancelAnimationFrame) {
- window.cancelAnimationFrame = function(id) {
- clearTimeout(id);
- };
- }
- };
- if (isCanvasSupported()) {
- var c = document.getElementById('waterfall');
- var cw = c.width = Math.max(document.getElementById('waterfall').scrollWidth, document.getElementById('waterfall').offsetWidth, document.getElementById('waterfall').clientWidth, document.getElementById('waterfall').scrollWidth, document.getElementById('waterfall').offsetWidth);
- var ch = c.height = Math.max(document.getElementById('waterfall').scrollHeight, document.getElementById('waterfall').offsetHeight, document.getElementById('waterfall').clientHeight, document.getElementById('waterfall').scrollHeight, document.getElementById('waterfall').offsetHeight);
- var waterfall = new waterfallCanvas(c, cw, ch);
- setupRAF();
- waterfall.init();
- } /* Second plugin */
- var w, h, renderer, stage, waveGraphics, partGraphics, waveTexture, partTexture, waveCount, partCount, waves, parts;
- function init() {
- renderer = PIXI.autoDetectRenderer(window.innerWidth, window.innerHeight / 2, {
- backgroundColor: '0x' + tinycolor('hsl(200, 50%, 10%)').toHex()
- });
- stage = new PIXI.Container();
- waveCount = 2000;
- partCount = 1000;
- waves = [];
- parts = [];
- document.body.appendChild(renderer.view);
- reset();
- for (var i = 0; i < 300; i++) {
- step();
- }
- loop();
- }
- function reset() {
- w = window.innerWidth;
- h = window.innerHeight;
- renderer.resize(w, h);
- waveGraphics = null;
- waveTexture = null;
- partGraphics = null;
- partTexture = null;
- waveGraphics = new PIXI.Graphics();
- waveGraphics.cacheAsBitmap = true;
- waveGraphics.beginFill('0x' + tinycolor('hsl(200, 74%, 40%)').toHex(), 0.15);
- waveGraphics.drawCircle(0, 0, 20);
- waveGraphics.endFill();
- waveTexture = waveGraphics.generateTexture();
- partGraphics = new PIXI.Graphics();
- partGraphics.cacheAsBitmap = true;
- partGraphics.beginFill('0x' + tinycolor('hsl(200, 70%, 40%)').toHex(), 0.2);
- partGraphics.drawCircle(0, 0, 15);
- partGraphics.endFill();
- partTexture = partGraphics.generateTexture();
- }
- function step() {
- if (waves.length < waveCount) {
- for (var i = 0; i < 10; i++) {
- var wave = new PIXI.Sprite(waveTexture),
- scale = 0.2 + Math.random() * 0.8;
- wave.position.x = w / 2;
- wave.position.y = h / 2;
- wave.anchor.x = 0.5;
- wave.anchor.y = 0.5;
- wave.scale.x = scale * 10;
- wave.scale.y = scale * 0.5;
- wave.blendMode = PIXI.BLEND_MODES.SCREEN;
- waves.push({
- sprite: wave,
- x: wave.position.x,
- y: wave.position.y,
- vx: 0,
- vy: 0,
- angle: Math.PI / 2 + Math.random() * Math.PI + Math.PI * 1.5,
- speed: 0.01 + Math.random() / 10
- });
- stage.addChild(wave);
- }
- }
- for (var i = 0, length = waves.length; i < length; i++) {
- var wave = waves[i];
- wave.sprite.position.x = wave.x;
- wave.sprite.position.y = wave.y;
- wave.vx = Math.cos(wave.angle) * wave.speed;
- wave.vy = Math.sin(wave.angle) * wave.speed;
- wave.x += wave.vx;
- wave.y += wave.vy;
- wave.speed *= 1.01;
- if (wave.x > w + 200 || wave.x < -200 || wave.y > h + 200) {
- wave.x = w / 2;
- wave.y = h / 2;
- wave.speed = 0.01 + Math.random() / 10;
- }
- }
- if (parts.length < partCount) {
- var part = new PIXI.Sprite(partTexture),
- scale = 0.2 + Math.random() * 0.8,
- type = Math.random() > 0.5 ? 1 : 0;
- part.position.x = w / 2 + Math.random() * 380 - 190;
- part.position.y = h / 2 + 0;
- part.anchor.x = 0.5;
- part.anchor.y = 0.5;
- part.scale.x = type ? scale : scale * 0.5;
- part.scale.y = type ? scale : scale * 15;
- part.blendMode = PIXI.BLEND_MODES.SCREEN;
- parts.push({
- sprite: part,
- ox: part.position.x,
- oy: part.position.y,
- x: part.position.x,
- y: part.position.y,
- vx: 0,
- vy: 0,
- angle: (-Math.PI * 0.5) + (w / 2 - part.position.x) / 750,
- speed: 0.0001 + Math.random() / 50
- });
- stage.addChild(part);
- }
- for (var i = 0, length = parts.length; i < length; i++) {
- var part = parts[i];
- part.sprite.position.x = part.x;
- part.sprite.position.y = part.y;
- part.vx = Math.cos(part.angle) * part.speed;
- part.vy = Math.sin(part.angle) * part.speed;
- part.x += part.vx;
- part.y += part.vy;
- part.speed *= 1.01;
- if (part.x > w + 50 || part.x < -50 || part.y < -50) {
- part.x = part.ox;
- part.y = part.oy;
- part.speed = 0.01 + Math.random() / 50;
- }
- }
- renderer.render(stage);
- }
- function loop() {
- step();
- requestAnimationFrame(loop);
- }
- window.addEventListener('resize', reset);
- init();
- })(PIXI, this, document);
- </script>
- </body>
- </html>
复制代码
由于js文件过多,整个文件已放下载区,接待下载,free
下载链接:https://download.csdn.net/download/stqer/89289948
免责声明:如果侵犯了您的权益,请联系站长,我们会及时删除侵权内容,谢谢合作!更多信息从访问主页:qidao123.com:ToB企服之家,中国第一个企服评测及商务社交产业平台。 |