HTML5 Pixi.js 瀑布湖面和水雾

Waterfall and Mist，用于构造迷雾幻境动画特效。

html5, mist, water

《three.js使用多个渐变torus模拟光环光晕》申请公开！

第三方库
作品简介 22812
作品推荐
使用帮助
常用链接

HTML
CSS
JavaScript
Result

编译

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 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 loop() {
        step();
        requestAnimationFrame(loop);
    }
    window.addEventListener('resize', reset);
    init();
})(PIXI, this, document);

编译

CSS

body {
    background: #222;
    color: white;
    margin: 0;
}
#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;
    }
}

HTML

Waterfall and Mist，用于构造迷雾幻境动画特效。

html5, mist, water

编辑器支持Emmet

快捷键

Waterfall and Mist，用于构造迷雾幻境动画特效。

html5, mist, water

HTML5 Three.js VideoTexture全息摄像头下的鬼魅靓影

HTML5 Matter.js台阶滚落的布娃娃和积木

编辑器支持Emmet

快捷键

语言：

语言：

导入代码模板：