直接贴代码（源码中部分CSS和JS文件请到官网中下载引用）
@{ Layout = null; } <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <title>Index</title> <link href="~/layui/css/layui.css" rel="stylesheet" /> <link href="~/css/logic/logic.css" rel="stylesheet" /> <link href="~/css/lizi.css" rel="stylesheet" /> <style> /* 覆盖原框架样式 */ .layui-elem-quote { background-color: inherit !important; } .layui-input, .layui-select, .layui-textarea { background-color: inherit; padding-left: 30px; } .layui-layer-dialog { z-index: 100000000; } </style> </head> <body> <!-- Head --> <div class="layui-fluid"> <div class="layui-row layui-col-space15"> <div class="layui-col-sm12 layui-col-md12 zyl_mar_01"> <blockquote class="layui-elem-quote">管理平台登陆界面</blockquote> </div> </div> </div> <!-- Head End --> <!-- Carousel --> <div class="layui-row"> <div class="layui-col-sm12 layui-col-md12"> <div class="layui-carousel zyl_login_height" id="zyllogin" lay-filter="zyllogin"> <div carousel-item=""> <div> <div class="zyl_login_cont"></div> </div> <div> <img src="~/img/11.jpg" /> </div> <div> <div class="background"> <span></span><span></span><span></span> <span></span><span></span><span></span> <span></span><span></span><span></span> <span></span><span></span><span></span> </div> </div> <div> <div id="particles-js"></div> </div> </div> </div> </div> </div> <!-- Carousel End --> <!-- Footer --> <div class="layui-row"> <div class="layui-col-sm12 layui-col-md12 zyl_center zyl_mar_01"> © 2021 - 后台登陆界面 </div> </div> <!-- Footer End --> <!-- LoginForm --> <div class="zyl_lofo_main"> <fieldset class="layui-elem-field layui-field-title zyl_mar_02"> <legend>欢迎登陆 - 管理平台</legend> </fieldset> <div class="layui-row layui-col-space15"> <form class="layui-form zyl_pad_01" action=""> <div class="layui-col-sm12 layui-col-md12"> <div class="layui-form-item"> <input type="text" name="userName" lay-verify="required|userName" autocomplete="off" placeholder="账号" class="layui-input"> <i class="layui-icon layui-icon-username zyl_lofo_icon"></i> </div> </div> <div class="layui-col-sm12 layui-col-md12"> <div class="layui-form-item"> <input type="password" name="nuse" lay-verify="required|pass" autocomplete="off" placeholder="密码" class="layui-input"> <i class="layui-icon layui-icon-password zyl_lofo_icon"></i> </div> </div> <div class="layui-col-sm12 layui-col-md12"> <div class="layui-row"> <div class="layui-col-xs4 layui-col-sm4 layui-col-md4"> <div class="layui-form-item"> <input type="text" name="vercode" id="vercode" lay-verify="required|vercodes" autocomplete="off" placeholder="验证码" class="layui-input" maxlength="4"> <i class="layui-icon layui-icon-vercode zyl_lofo_icon"></i> </div> </div> <div class="layui-col-xs4 layui-col-sm4 layui-col-md4"> <div class="zyl_lofo_vercode zylVerCode" onclick="zylVerCode()"></div> </div> </div> </div> <div class="layui-col-sm12 layui-col-md12"> <button class="layui-btn layui-btn-fluid" lay-submit="" lay-filter="demo1">立即登录</button> </div> </form> </div> </div> <!-- LoginForm End --> <!-- Jquery Js --> <script src="~/js/jquery.min.js"></script> <!-- Layui Js --> <script src="~/layui/layui.js"></script> <!-- Jqarticle Js --> <script src="~/js/jparticle.min.js"></script> <!-- ZylVerificationCode Js--> <script src="~/js/zylVerificationCode.js"></script> <script src="~/js/lizi.js"></script> <script> layui.use(['carousel', 'form'], function () { var carousel = layui.carousel , form = layui.form; //自定义验证规则 form.verify({ userName: function (value) { if (value.length < 11) { return '账号至少得11个字符'; } } , pass: [/^[\S]{6,12}$/, '密码必须6到12位，且不能出现空格'] , vercodes: function (value) { //获取验证码 var zylVerCode = $(".zylVerCode").html(); if (value != zylVerCode) { return '验证码错误（区分大小写）'; } } , content: function (value) { layedit.sync(editIndex); } }); //监听提交 form.on('submit(demo1)', function (data) { layer.alert(JSON.stringify(data.field), { title: '最终的提交信息', zIndex: 100000000 }) return false; }); //设置轮播主体高度 var zyl_login_height = $(window).height() / 1.3; var zyl_car_height = $(".zyl_login_height").css("cssText", "height:" + zyl_login_height + "px!important"); //Login轮播主体 carousel.render({ elem: '#zyllogin'//指向容器选择器 , width: '100%' //设置容器宽度 , height: 'zyl_car_height' , arrow: 'always' //始终显示箭头 , anim: 'fade' //切换动画方式 , autoplay: true //是否自动切换false true , arrow: 'hover' //切换箭头默认显示状态||不显示：none||悬停显示：hover||始终显示：always , indicator: 'none' //指示器位置||外部：outside||内部：inside||不显示：none , interval: '5000' //自动切换时间:单位：ms（毫秒） }); //监听轮播--案例暂未使用 carousel.on('change(zyllogin)', function (obj) { var loginCarousel = obj.index; }); //粒子线条 $(".zyl_login_cont").jParticle({ background: "rgba(0,0,0,0)",//背景颜色 color: "#fff",//粒子和连线的颜色 particlesNumber: 100,//粒子数量 //disableLinks:true,//禁止粒子间连线 //disableMouse:true,//禁止粒子间连线(鼠标) particle: { minSize: 1,//最小粒子 maxSize: 3,//最大粒子 speed: 30,//粒子的动画速度 } }); }); </script> </body> </html>
logic.css
body {
font-size: 14px;
color: #666;
}
.zyl_center {
text-align: center;
}
.zyl_pad_01 {
padding: 5px 20px 5px 20px;
}
.zyl_mar_01 {
margin-top: 20px;
}
.zyl_mar_02 {
margin-top: 30px;
}
.zyl_lofo_main {
background-color: rgba(255,255,255,0.9);
width: 450px;
height: 350px;
position: absolute;
right: 10%;
top: 22%;
z-index: 99999999;
}
.zyl_lofo_icon {
position: absolute;
left: 5px;
top: 8px;
font-size: 20px;
}
.zyl_lofo_vercode {
line-height: 35px;
padding-left: 30px;
font-size: 24px;
}
@media screen and (max-width: 768px) {
.zyl_lofo_main {
width: 100%;
height: 350px;
right: 0;
}
}
.zyl_login_cont {
width: 100%;
height: 100%;
background-color: #009688;
}
.background {
width: 100vw;
height: 100vh;
background: linear-gradient(-45deg, #3E1E68, #00CBFF, #0081FF, #3E1E68);
background-size: 400% 400%;
-webkit-animation: Gradient 15s ease infinite;
-moz-animation: Gradient 15s ease infinite;
animation: Gradient 15s ease infinite;
}
@-webkit-keyframes Gradient {
0% {
background-position: 0% 50%
}
50% {
background-position: 100% 50%
}
100% {
background-position: 0% 50%
}
}
@-moz-keyframes Gradient {
0% {
background-position: 0% 50%
}
50% {
background-position: 100% 50%
}
100% {
background-position: 0% 50%
}
}
@keyframes Gradient {
0% {
background-position: 0% 50%
}
50% {
background-position: 100% 50%
}
100% {
background-position: 0% 50%
}
}
.background span {
width: 20vmin;
height: 20vmin;
border-radius: 20vmin;
backface-visibility: hidden;
position: absolute;
animation-name: move;
animation-duration: 6s;
animation-timing-function: linear;
animation-iteration-count: infinite;
}
.background span:nth-child(1) {
color: #FFACAC;
top: 44%;
left: 97%;
animation-duration: 15s;
animation-delay: -13.8s;
transform-origin: 11vw -22vh;
box-shadow: 40vmin 0 10.12735945vmin currentColor;
}
.background span:nth-child(2) {
color: #E45A84;
top: 93%;
left: 8%;
animation-duration: 13.8s;
animation-delay: -10.9s;
transform-origin: 10vw 23vh;
box-shadow: 40vmin 0 12.7346672971vmin currentColor;
}
.background span:nth-child(3) {
color: #FFACAC;
top: 14%;
left: 41%;
animation-duration: 15.9s;
animation-delay: -6.7s;
transform-origin: -9vw -24vh;
box-shadow: -40vmin 0 11.4923952406vmin currentColor;
}
.background span:nth-child(4) {
color: #E45A84;
top: 52%;
left: 75%;
animation-duration: 14.3s;
animation-delay: -12.6s;
transform-origin: 16vw 25vh;
box-shadow: 40vmin 0 13.3657534039vmin currentColor;
}
.background span:nth-child(5) {
color: #FFACAC;
top: 7%;
left: 5%;
animation-duration: 15.9s;
animation-delay: -10s;
transform-origin: 8vw 3vh;
box-shadow: -40vmin 0 13.3942178273vmin currentColor;
}
.background span:nth-child(6) {
color: #FFACAC;
top: 35%;
left: 1%;
animation-duration: 11.6s;
animation-delay: -6s;
transform-origin: 0vw 17vh;
box-shadow: -40vmin 0 7.6304875279vmin currentColor;
}
.background span:nth-child(7) {
color: #FFACAC;
top: 42%;
left: 84%;
animation-duration: 11s;
animation-delay: -6.9s;
transform-origin: 11vw -8vh;
box-shadow: 40vmin 0 13.6665321499vmin currentColor;
}
.background span:nth-child(8) {
color: #E45A84;
top: 53%;
left: 95%;
animation-duration: 15s;
animation-delay: -10.9s;
transform-origin: 25vw 15vh;
box-shadow: 40vmin 0 13.2849881717vmin currentColor;
}
.background span:nth-child(9) {
color: #FFACAC;
top: 75%;
left: 67%;
animation-duration: 11.7s;
animation-delay: -13.9s;
transform-origin: -11vw -3vh;
box-shadow: 40vmin 0 7.2158804055vmin currentColor;
}
.background span:nth-child(10) {
color: #583C87;
top: 59%;
left: 51%;
animation-duration: 12.1s;
animation-delay: -11.7s;
transform-origin: -5vw -7vh;
box-shadow: -40vmin 0 7.4269772253vmin currentColor;
}
.background span:nth-child(11) {
color: #FFACAC;
top: 80%;
left: 91%;
animation-duration: 13.4s;
animation-delay: -5.9s;
transform-origin: 7vw -19vh;
box-shadow: 40vmin 0 11.2741559637vmin currentColor;
}
.background span:nth-child(12) {
color: #FFACAC;
top: 68%;
left: 97%;
animation-duration: 15.8s;
animation-delay: -8.2s;
transform-origin: 24vw 3vh;
box-shadow: 40vmin 0 11.2552482722vmin currentColor;
}
.background span:nth-child(13) {
color: #FFACAC;
top: 69%;
left: 46%;
animation-duration: 10.4s;
animation-delay: -11.5s;
transform-origin: 13vw 24vh;
box-shadow: -40vmin 0 6.2939412125vmin currentColor;
}
.background span:nth-child(14) {
color: #E45A84;
top: 98%;
left: 63%;
animation-duration: 14.2s;
animation-delay: -3s;
transform-origin: -13vw -15vh;
box-shadow: -40vmin 0 10.5039271244vmin currentColor;
}
.background span:nth-child(15) {
color: #583C87;
top: 12%;
left: 20%;
animation-duration: 14s;
animation-delay: -6.8s;
transform-origin: 7vw 20vh;
box-shadow: 40vmin 0 10.924056322vmin currentColor;
}
.background span:nth-child(16) {
color: #E45A84;
top: 29%;
left: 20%;
animation-duration: 11s;
animation-delay: -14.4s;
transform-origin: -20vw 4vh;
box-shadow: -40vmin 0 13.3859956789vmin currentColor;
}
.background span:nth-child(17) {
color: #FFACAC;
top: 88%;
left: 87%;
animation-duration: 10.7s;
animation-delay: -3.7s;
transform-origin: -11vw 12vh;
box-shadow: 40vmin 0 14.8726292689vmin currentColor;
}
.background span:nth-child(18) {
color: #583C87;
top: 57%;
left: 35%;
animation-duration: 10.1s;
animation-delay: -13.6s;
transform-origin: -19vw -1vh;
box-shadow: 40vmin 0 8.5771411832vmin currentColor;
}
.background span:nth-child(19) {
color: #583C87;
top: 11%;
left: 37%;
animation-duration: 11.5s;
animation-delay: -10.1s;
transform-origin: -20vw 22vh;
box-shadow: 40vmin 0 8.1729042124vmin currentColor;
}
.background span:nth-child(20) {
color: #583C87;
top: 53%;
left: 60%;
animation-duration: 12.3s;
animation-delay: -11.3s;
transform-origin: 10vw -1vh;
box-shadow: 40vmin 0 13.5347652223vmin currentColor;
}
@keyframes move {
100% {
transform: translate3d(0, 0, 1px) rotate(360deg);
}
}
lizi.css
#particles-js { background-size: cover; background-position: 50% 50%; background-repeat: no-repeat; width: 100%; height: 100%; position: absolute; top: 0; left: 0; }
zylVerificationCode.js
$(function () { zylVerCode(); }); function zylVerCode(len) { len = len || 4; var $chars = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678'; var maxPos = $chars.length; var zylCode = ''; for (i = 0; i < len; i++) { zylCode += $chars.charAt(Math.floor(Math.random() * maxPos)); } $(".zylVerCode").html(zylCode); }
lizi.js
/* ----------------------------------------------- */ var pJS = function(tag_id, params) { var canvas_el = document.querySelector('#' + tag_id + ' > .particles-js-canvas-el'); /* particles.js variables with default values */ this.pJS = { canvas: { el: canvas_el, w: canvas_el.offsetWidth, h: canvas_el.offsetHeight }, particles: { number: { value: 400, density: { enable: true, value_area: 800 } }, color: { value: '#fff' }, shape: { type: 'circle', stroke: { width: 0, color: '#ff0000' }, polygon: { nb_sides: 5 }, image: { src: '', width: 100, height: 100 } }, opacity: { value: 1, random: false, anim: { enable: false, speed: 2, opacity_min: 0, sync: false } }, size: { value: 20, random: false, anim: { enable: false, speed: 20, size_min: 0, sync: false } }, line_linked: { enable: true, distance: 100, color: '#fff', opacity: 1, width: 1 }, move: { enable: true, speed: 2, direction: 'none', random: false, straight: false, out_mode: 'out', bounce: false, attract: { enable: false, rotateX: 3000, rotateY: 3000 } }, array: [] }, interactivity: { detect_on: 'canvas', events: { onhover: { enable: true, mode: 'grab' }, onclick: { enable: true, mode: 'push' }, resize: true }, modes: { grab: { distance: 100, line_linked: { opacity: 1 } }, bubble: { distance: 200, size: 80, duration: 0.7 }, repulse: { distance: 200, duration: 0.4 }, push: { particles_nb: 4 }, remove: { particles_nb: 2 } }, mouse: {} }, retina_detect: false, fn: { interact: {}, modes: {}, vendors: {} }, tmp: {} }; var pJS = this.pJS; /* params settings */ if (params) { Object.deepExtend(pJS, params); } pJS.tmp.obj = { size_value: pJS.particles.size.value, size_anim_speed: pJS.particles.size.anim.speed, move_speed: pJS.particles.move.speed, line_linked_distance: pJS.particles.line_linked.distance, line_linked_width: pJS.particles.line_linked.width, mode_grab_distance: pJS.interactivity.modes.grab.distance, mode_bubble_distance: pJS.interactivity.modes.bubble.distance, mode_bubble_size: pJS.interactivity.modes.bubble.size, mode_repulse_distance: pJS.interactivity.modes.repulse.distance }; pJS.fn.retinaInit = function() { if (pJS.retina_detect && window.devicePixelRatio > 1) { pJS.canvas.pxratio = window.devicePixelRatio; pJS.tmp.retina = true; } else { pJS.canvas.pxratio = 1; pJS.tmp.retina = false; } pJS.canvas.w = pJS.canvas.el.offsetWidth * pJS.canvas.pxratio; pJS.canvas.h = pJS.canvas.el.offsetHeight * pJS.canvas.pxratio; pJS.particles.size.value = pJS.tmp.obj.size_value * pJS.canvas.pxratio; pJS.particles.size.anim.speed = pJS.tmp.obj.size_anim_speed * pJS.canvas.pxratio; pJS.particles.move.speed = pJS.tmp.obj.move_speed * pJS.canvas.pxratio; pJS.particles.line_linked.distance = pJS.tmp.obj.line_linked_distance * pJS.canvas.pxratio; pJS.interactivity.modes.grab.distance = pJS.tmp.obj.mode_grab_distance * pJS.canvas.pxratio; pJS.interactivity.modes.bubble.distance = pJS.tmp.obj.mode_bubble_distance * pJS.canvas.pxratio; pJS.particles.line_linked.width = pJS.tmp.obj.line_linked_width * pJS.canvas.pxratio; pJS.interactivity.modes.bubble.size = pJS.tmp.obj.mode_bubble_size * pJS.canvas.pxratio; pJS.interactivity.modes.repulse.distance = pJS.tmp.obj.mode_repulse_distance * pJS.canvas.pxratio; }; /* ---------- pJS functions - canvas ------------ */ pJS.fn.canvasInit = function() { pJS.canvas.ctx = pJS.canvas.el.getContext('2d'); }; pJS.fn.canvasSize = function() { pJS.canvas.el.width = pJS.canvas.w; pJS.canvas.el.height = pJS.canvas.h; if (pJS && pJS.interactivity.events.resize) { window.addEventListener('resize', function() { pJS.canvas.w = pJS.canvas.el.offsetWidth; pJS.canvas.h = pJS.canvas.el.offsetHeight; /* resize canvas */ if (pJS.tmp.retina) { pJS.canvas.w *= pJS.canvas.pxratio; pJS.canvas.h *= pJS.canvas.pxratio; } pJS.canvas.el.width = pJS.canvas.w; pJS.canvas.el.height = pJS.canvas.h; /* repaint canvas on anim disabled */ if (!pJS.particles.move.enable) { pJS.fn.particlesEmpty(); pJS.fn.particlesCreate(); pJS.fn.particlesDraw(); pJS.fn.vendors.densityAutoParticles(); } /* density particles enabled */ pJS.fn.vendors.densityAutoParticles(); }); } }; pJS.fn.canvasPaint = function() { pJS.canvas.ctx.fillRect(0, 0, pJS.canvas.w, pJS.canvas.h); }; pJS.fn.canvasClear = function() { pJS.canvas.ctx.clearRect(0, 0, pJS.canvas.w, pJS.canvas.h); }; /* --------- pJS functions - particles ----------- */ pJS.fn.particle = function(color, opacity, position) { /* size */ this.radius = (pJS.particles.size.random ? Math.random() : 1) * pJS.particles.size.value; if (pJS.particles.size.anim.enable) { this.size_status = false; this.vs = pJS.particles.size.anim.speed / 100; if (!pJS.particles.size.anim.sync) { this.vs = this.vs * Math.random(); } } /* position */ this.x = position ? position.x : Math.random() * pJS.canvas.w; this.y = position ? position.y : Math.random() * pJS.canvas.h; /* check position - into the canvas */ if (this.x > pJS.canvas.w - this.radius * 2) this.x = this.x - this.radius; else if (this.x < this.radius * 2) this.x = this.x + this.radius; if (this.y > pJS.canvas.h - this.radius * 2) this.y = this.y - this.radius; else if (this.y < this.radius * 2) this.y = this.y + this.radius; /* check position - avoid overlap */ if (pJS.particles.move.bounce) { pJS.fn.vendors.checkOverlap(this, position); } /* color */ this.color = {}; if (typeof(color.value) == 'object') { if (color.value instanceof Array) { var color_selected = color.value[Math.floor(Math.random() * pJS.particles.color.value.length)]; this.color.rgb = hexToRgb(color_selected); } else { if (color.value.r != undefined && color.value.g != undefined && color.value.b != undefined) { this.color.rgb = { r: color.value.r, g: color.value.g, b: color.value.b } } if (color.value.h != undefined && color.value.s != undefined && color.value.l != undefined) { this.color.hsl = { h: color.value.h, s: color.value.s, l: color.value.l } } } } else if (color.value == 'random') { this.color.rgb = { r: (Math.floor(Math.random() * (255 - 0 + 1)) + 0), g: (Math.floor(Math.random() * (255 - 0 + 1)) + 0), b: (Math.floor(Math.random() * (255 - 0 + 1)) + 0) } } else if (typeof(color.value) == 'string') { this.color = color; this.color.rgb = hexToRgb(this.color.value); } /* opacity */ this.opacity = (pJS.particles.opacity.random ? Math.random() : 1) * pJS.particles.opacity.value; if (pJS.particles.opacity.anim.enable) { this.opacity_status = false; this.vo = pJS.particles.opacity.anim.speed / 100; if (!pJS.particles.opacity.anim.sync) { this.vo = this.vo * Math.random(); } } /* animation - velocity for speed */ var velbase = {} switch (pJS.particles.move.direction) { case 'top': velbase = { x: 0, y: -1 }; break; case 'top-right': velbase = { x: 0.5, y: -0.5 }; break; case 'right': velbase = { x: 1, y: -0 }; break; case 'bottom-right': velbase = { x: 0.5, y: 0.5 }; break; case 'bottom': velbase = { x: 0, y: 1 }; break; case 'bottom-left': velbase = { x: -0.5, y: 1 }; break; case 'left': velbase = { x: -1, y: 0 }; break; case 'top-left': velbase = { x: -0.5, y: -0.5 }; break; default: velbase = { x: 0, y: 0 }; break; } if (pJS.particles.move.straight) { this.vx = velbase.x; this.vy = velbase.y; if (pJS.particles.move.random) { this.vx = this.vx * (Math.random()); this.vy = this.vy * (Math.random()); } } else { this.vx = velbase.x + Math.random() - 0.5; this.vy = velbase.y + Math.random() - 0.5; } // var theta = 2.0 * Math.PI * Math.random(); // this.vx = Math.cos(theta); // this.vy = Math.sin(theta); this.vx_i = this.vx; this.vy_i = this.vy; /* if shape is image */ var shape_type = pJS.particles.shape.type; if (typeof(shape_type) == 'object') { if (shape_type instanceof Array) { var shape_selected = shape_type[Math.floor(Math.random() * shape_type.length)]; this.shape = shape_selected; } } else { this.shape = shape_type; } if (this.shape == 'image') { var sh = pJS.particles.shape; this.img = { src: sh.image.src, ratio: sh.image.width / sh.image.height } if (!this.img.ratio) this.img.ratio = 1; if (pJS.tmp.img_type == 'svg' && pJS.tmp.source_svg != undefined) { pJS.fn.vendors.createSvgImg(this); if (pJS.tmp.pushing) { this.img.loaded = false; } } } }; pJS.fn.particle.prototype.draw = function() { var p = this; if (p.radius_bubble != undefined) { var radius = p.radius_bubble; } else { var radius = p.radius; } if (p.opacity_bubble != undefined) { var opacity = p.opacity_bubble; } else { var opacity = p.opacity; } if (p.color.rgb) { var color_value = 'rgba(' + p.color.rgb.r + ',' + p.color.rgb.g + ',' + p.color.rgb.b + ',' + opacity + ')'; } else { var color_value = 'hsla(' + p.color.hsl.h + ',' + p.color.hsl.s + '%,' + p.color.hsl.l + '%,' + opacity + ')'; } pJS.canvas.ctx.fillStyle = color_value; pJS.canvas.ctx.beginPath(); switch (p.shape) { case 'circle': pJS.canvas.ctx.arc(p.x, p.y, radius, 0, Math.PI * 2, false); break; case 'edge': pJS.canvas.ctx.rect(p.x - radius, p.y - radius, radius * 2, radius * 2); break; case 'triangle': pJS.fn.vendors.drawShape(pJS.canvas.ctx, p.x - radius, p.y + radius / 1.66, radius * 2, 3, 2); break; case 'polygon': pJS.fn.vendors.drawShape( pJS.canvas.ctx, p.x - radius / (pJS.particles.shape.polygon.nb_sides / 3.5), // startX p.y - radius / (2.66 / 3.5), // startY radius * 2.66 / (pJS.particles.shape.polygon.nb_sides / 3), // sideLength pJS.particles.shape.polygon.nb_sides, // sideCountNumerator 1 // sideCountDenominator ); break; case 'star': pJS.fn.vendors.drawShape( pJS.canvas.ctx, p.x - radius * 2 / (pJS.particles.shape.polygon.nb_sides / 4), // startX p.y - radius / (2 * 2.66 / 3.5), // startY radius * 2 * 2.66 / (pJS.particles.shape.polygon.nb_sides / 3), // sideLength pJS.particles.shape.polygon.nb_sides, // sideCountNumerator 2 // sideCountDenominator ); break; case 'image': function draw() { pJS.canvas.ctx.drawImage( img_obj, p.x - radius, p.y - radius, radius * 2, radius * 2 / p.img.ratio ); } if (pJS.tmp.img_type == 'svg') { var img_obj = p.img.obj; } else { var img_obj = pJS.tmp.img_obj; } if (img_obj) { draw(); } break; } pJS.canvas.ctx.closePath(); if (pJS.particles.shape.stroke.width > 0) { pJS.canvas.ctx.strokeStyle = pJS.particles.shape.stroke.color; pJS.canvas.ctx.lineWidth = pJS.particles.shape.stroke.width; pJS.canvas.ctx.stroke(); } pJS.canvas.ctx.fill(); }; pJS.fn.particlesCreate = function() { for (var i = 0; i < pJS.particles.number.value; i++) { pJS.particles.array.push(new pJS.fn.particle(pJS.particles.color, pJS.particles.opacity.value)); } }; pJS.fn.particlesUpdate = function() { for (var i = 0; i < pJS.particles.array.length; i++) { /* the particle */ var p = pJS.particles.array[i]; // var d = ( dx = pJS.interactivity.mouse.click_pos_x - p.x ) * dx + ( dy = pJS.interactivity.mouse.click_pos_y - p.y ) * dy; // var f = -BANG_SIZE / d; // if ( d < BANG_SIZE ) { // var t = Math.atan2( dy, dx ); // p.vx = f * Math.cos(t); // p.vy = f * Math.sin(t); // } /* move the particle */ if (pJS.particles.move.enable) { var ms = pJS.particles.move.speed / 2; p.x += p.vx * ms; p.y += p.vy * ms; } /* change opacity status */ if (pJS.particles.opacity.anim.enable) { if (p.opacity_status == true) { if (p.opacity >= pJS.particles.opacity.value) p.opacity_status = false; p.opacity += p.vo; } else { if (p.opacity <= pJS.particles.opacity.anim.opacity_min) p.opacity_status = true; p.opacity -= p.vo; } if (p.opacity < 0) p.opacity = 0; } /* change size */ if (pJS.particles.size.anim.enable) { if (p.size_status == true) { if (p.radius >= pJS.particles.size.value) p.size_status = false; p.radius += p.vs; } else { if (p.radius <= pJS.particles.size.anim.size_min) p.size_status = true; p.radius -= p.vs; } if (p.radius < 0) p.radius = 0; } /* change particle position if it is out of canvas */ if (pJS.particles.move.out_mode == 'bounce') { var new_pos = { x_left: p.radius, x_right: pJS.canvas.w, y_top: p.radius, y_bottom: pJS.canvas.h } } else { var new_pos = { x_left: -p.radius, x_right: pJS.canvas.w + p.radius, y_top: -p.radius, y_bottom: pJS.canvas.h + p.radius } } if (p.x - p.radius > pJS.canvas.w) { p.x = new_pos.x_left; p.y = Math.random() * pJS.canvas.h; } else if (p.x + p.radius < 0) { p.x = new_pos.x_right; p.y = Math.random() * pJS.canvas.h; } if (p.y - p.radius > pJS.canvas.h) { p.y = new_pos.y_top; p.x = Math.random() * pJS.canvas.w; } else if (p.y + p.radius < 0) { p.y = new_pos.y_bottom; p.x = Math.random() * pJS.canvas.w; } /* out of canvas modes */ switch (pJS.particles.move.out_mode) { case 'bounce': if (p.x + p.radius > pJS.canvas.w) p.vx = -p.vx; else if (p.x - p.radius < 0) p.vx = -p.vx; if (p.y + p.radius > pJS.canvas.h) p.vy = -p.vy; else if (p.y - p.radius < 0) p.vy = -p.vy; break; } /* events */ if (isInArray('grab', pJS.interactivity.events.onhover.mode)) { pJS.fn.modes.grabParticle(p); } if (isInArray('bubble', pJS.interactivity.events.onhover.mode) || isInArray('bubble', pJS.interactivity.events.onclick.mode)) { pJS.fn.modes.bubbleParticle(p); } if (isInArray('repulse', pJS.interactivity.events.onhover.mode) || isInArray('repulse', pJS.interactivity.events.onclick.mode)) { pJS.fn.modes.repulseParticle(p); } /* interaction auto between particles */ if (pJS.particles.line_linked.enable || pJS.particles.move.attract.enable) { for (var j = i + 1; j < pJS.particles.array.length; j++) { var p2 = pJS.particles.array[j]; /* link particles */ if (pJS.particles.line_linked.enable) { pJS.fn.interact.linkParticles(p, p2); } /* attract particles */ if (pJS.particles.move.attract.enable) { pJS.fn.interact.attractParticles(p, p2); } /* bounce particles */ if (pJS.particles.move.bounce) { pJS.fn.interact.bounceParticles(p, p2); } } } } }; pJS.fn.particlesDraw = function() { /* clear canvas */ pJS.canvas.ctx.clearRect(0, 0, pJS.canvas.w, pJS.canvas.h); /* update each particles param */ pJS.fn.particlesUpdate(); /* draw each particle */ for (var i = 0; i < pJS.particles.array.length; i++) { var p = pJS.particles.array[i]; p.draw(); } }; pJS.fn.particlesEmpty = function() { pJS.particles.array = []; }; pJS.fn.particlesRefresh = function() { /* init all */ cancelRequestAnimFrame(pJS.fn.checkAnimFrame); cancelRequestAnimFrame(pJS.fn.drawAnimFrame); pJS.tmp.source_svg = undefined; pJS.tmp.img_obj = undefined; pJS.tmp.count_svg = 0; pJS.fn.particlesEmpty(); pJS.fn.canvasClear(); /* restart */ pJS.fn.vendors.start(); }; /* ---------- pJS functions - particles interaction ------------ */ pJS.fn.interact.linkParticles = function(p1, p2) { var dx = p1.x - p2.x, dy = p1.y - p2.y, dist = Math.sqrt(dx * dx + dy * dy); /* draw a line between p1 and p2 if the distance between them is under the config distance */ if (dist <= pJS.particles.line_linked.distance) { var opacity_line = pJS.particles.line_linked.opacity - (dist / (1 / pJS.particles.line_linked.opacity)) / pJS.particles.line_linked.distance; if (opacity_line > 0) { /* style */ var color_line = pJS.particles.line_linked.color_rgb_line; pJS.canvas.ctx.strokeStyle = 'rgba(' + color_line.r + ',' + color_line.g + ',' + color_line.b + ',' + opacity_line + ')'; pJS.canvas.ctx.lineWidth = pJS.particles.line_linked.width; //pJS.canvas.ctx.lineCap = 'round'; /* performance issue */ /* path */ pJS.canvas.ctx.beginPath(); pJS.canvas.ctx.moveTo(p1.x, p1.y); pJS.canvas.ctx.lineTo(p2.x, p2.y); pJS.canvas.ctx.stroke(); pJS.canvas.ctx.closePath(); } } }; pJS.fn.interact.attractParticles = function(p1, p2) { /* condensed particles */ var dx = p1.x - p2.x, dy = p1.y - p2.y, dist = Math.sqrt(dx * dx + dy * dy); if (dist <= pJS.particles.line_linked.distance) { var ax = dx / (pJS.particles.move.attract.rotateX * 1000), ay = dy / (pJS.particles.move.attract.rotateY * 1000); p1.vx -= ax; p1.vy -= ay; p2.vx += ax; p2.vy += ay; } } pJS.fn.interact.bounceParticles = function(p1, p2) { var dx = p1.x - p2.x, dy = p1.y - p2.y, dist = Math.sqrt(dx * dx + dy * dy), dist_p = p1.radius + p2.radius; if (dist <= dist_p) { p1.vx = -p1.vx; p1.vy = -p1.vy; p2.vx = -p2.vx; p2.vy = -p2.vy; } } /* ---------- pJS functions - modes events ------------ */ pJS.fn.modes.pushParticles = function(nb, pos) { pJS.tmp.pushing = true; for (var i = 0; i < nb; i++) { pJS.particles.array.push( new pJS.fn.particle( pJS.particles.color, pJS.particles.opacity.value, { 'x': pos ? pos.pos_x : Math.random() * pJS.canvas.w, 'y': pos ? pos.pos_y : Math.random() * pJS.canvas.h } ) ) if (i == nb - 1) { if (!pJS.particles.move.enable) { pJS.fn.particlesDraw(); } pJS.tmp.pushing = false; } } }; pJS.fn.modes.removeParticles = function(nb) { pJS.particles.array.splice(0, nb); if (!pJS.particles.move.enable) { pJS.fn.particlesDraw(); } }; pJS.fn.modes.bubbleParticle = function(p) { /* on hover event */ if (pJS.interactivity.events.onhover.enable && isInArray('bubble', pJS.interactivity.events.onhover.mode)) { var dx_mouse = p.x - pJS.interactivity.mouse.pos_x, dy_mouse = p.y - pJS.interactivity.mouse.pos_y, dist_mouse = Math.sqrt(dx_mouse * dx_mouse + dy_mouse * dy_mouse), ratio = 1 - dist_mouse / pJS.interactivity.modes.bubble.distance; function init() { p.opacity_bubble = p.opacity; p.radius_bubble = p.radius; } /* mousemove - check ratio */ if (dist_mouse <= pJS.interactivity.modes.bubble.distance) { if (ratio >= 0 && pJS.interactivity.status == 'mousemove') { /* size */ if (pJS.interactivity.modes.bubble.size != pJS.particles.size.value) { if (pJS.interactivity.modes.bubble.size > pJS.particles.size.value) { var size = p.radius + (pJS.interactivity.modes.bubble.size * ratio); if (size >= 0) { p.radius_bubble = size; } } else { var dif = p.radius - pJS.interactivity.modes.bubble.size, size = p.radius - (dif * ratio); if (size > 0) { p.radius_bubble = size; } else { p.radius_bubble = 0; } } } /* opacity */ if (pJS.interactivity.modes.bubble.opacity != pJS.particles.opacity.value) { if (pJS.interactivity.modes.bubble.opacity > pJS.particles.opacity.value) { var opacity = pJS.interactivity.modes.bubble.opacity * ratio; if (opacity > p.opacity && opacity <= pJS.interactivity.modes.bubble.opacity) { p.opacity_bubble = opacity; } } else { var opacity = p.opacity - (pJS.particles.opacity.value - pJS.interactivity.modes.bubble.opacity) * ratio; if (opacity < p.opacity && opacity >= pJS.interactivity.modes.bubble.opacity) { p.opacity_bubble = opacity; } } } } } else { init(); } /* mouseleave */ if (pJS.interactivity.status == 'mouseleave') { init(); } } /* on click event */ else if (pJS.interactivity.events.onclick.enable && isInArray('bubble', pJS.interactivity.events.onclick.mode)) { if (pJS.tmp.bubble_clicking) { var dx_mouse = p.x - pJS.interactivity.mouse.click_pos_x, dy_mouse = p.y - pJS.interactivity.mouse.click_pos_y, dist_mouse = Math.sqrt(dx_mouse * dx_mouse + dy_mouse * dy_mouse), time_spent = (new Date().getTime() - pJS.interactivity.mouse.click_time) / 1000; if (time_spent > pJS.interactivity.modes.bubble.duration) { pJS.tmp.bubble_duration_end = true; } if (time_spent > pJS.interactivity.modes.bubble.duration * 2) { pJS.tmp.bubble_clicking = false; pJS.tmp.bubble_duration_end = false; } } function process(bubble_param, particles_param, p_obj_bubble, p_obj, id) { if (bubble_param != particles_param) { if (!pJS.tmp.bubble_duration_end) { if (dist_mouse <= pJS.interactivity.modes.bubble.distance) { if (p_obj_bubble != undefined) var obj = p_obj_bubble; else var obj = p_obj; if (obj != bubble_param) { var value = p_obj - (time_spent * (p_obj - bubble_param) / pJS.interactivity.modes.bubble.duration); if (id == 'size') p.radius_bubble = value; if (id == 'opacity') p.opacity_bubble = value; } } else { if (id == 'size') p.radius_bubble = undefined; if (id == 'opacity') p.opacity_bubble = undefined; } } else { if (p_obj_bubble != undefined) { var value_tmp = p_obj - (time_spent * (p_obj - bubble_param) / pJS.interactivity.modes.bubble.duration), dif = bubble_param - value_tmp; value = bubble_param + dif; if (id == 'size') p.radius_bubble = value; if (id == 'opacity') p.opacity_bubble = value; } } } } if (pJS.tmp.bubble_clicking) { /* size */ process(pJS.interactivity.modes.bubble.size, pJS.particles.size.value, p.radius_bubble, p.radius, 'size'); /* opacity */ process(pJS.interactivity.modes.bubble.opacity, pJS.particles.opacity.value, p.opacity_bubble, p.opacity, 'opacity'); } } }; pJS.fn.modes.repulseParticle = function(p) { if (pJS.interactivity.events.onhover.enable && isInArray('repulse', pJS.interactivity.events.onhover.mode) && pJS.interactivity.status == 'mousemove') { var dx_mouse = p.x - pJS.interactivity.mouse.pos_x, dy_mouse = p.y - pJS.interactivity.mouse.pos_y, dist_mouse = Math.sqrt(dx_mouse * dx_mouse + dy_mouse * dy_mouse); var normVec = { x: dx_mouse / dist_mouse, y: dy_mouse / dist_mouse }, repulseRadius = pJS.interactivity.modes.repulse.distance, velocity = 100, repulseFactor = clamp((1 / repulseRadius) * (-1 * Math.pow(dist_mouse / repulseRadius, 2) + 1) * repulseRadius * velocity, 0, 50); var pos = { x: p.x + normVec.x * repulseFactor, y: p.y + normVec.y * repulseFactor } if (pJS.particles.move.out_mode == 'bounce') { if (pos.x - p.radius > 0 && pos.x + p.radius < pJS.canvas.w) p.x = pos.x; if (pos.y - p.radius > 0 && pos.y + p.radius < pJS.canvas.h) p.y = pos.y; } else { p.x = pos.x; p.y = pos.y; } } else if (pJS.interactivity.events.onclick.enable && isInArray('repulse', pJS.interactivity.events.onclick.mode)) { if (!pJS.tmp.repulse_finish) { pJS.tmp.repulse_count++; if (pJS.tmp.repulse_count == pJS.particles.array.length) { pJS.tmp.repulse_finish = true; } } if (pJS.tmp.repulse_clicking) { var repulseRadius = Math.pow(pJS.interactivity.modes.repulse.distance / 6, 3); var dx = pJS.interactivity.mouse.click_pos_x - p.x, dy = pJS.interactivity.mouse.click_pos_y - p.y, d = dx * dx + dy * dy; var force = -repulseRadius / d * 1; function process() { var f = Math.atan2(dy, dx); p.vx = force * Math.cos(f); p.vy = force * Math.sin(f); if (pJS.particles.move.out_mode == 'bounce') { var pos = { x: p.x + p.vx, y: p.y + p.vy } if (pos.x + p.radius > pJS.canvas.w) p.vx = -p.vx; else if (pos.x - p.radius < 0) p.vx = -p.vx; if (pos.y + p.radius > pJS.canvas.h) p.vy = -p.vy; else if (pos.y - p.radius < 0) p.vy = -p.vy; } } // default if (d <= repulseRadius) { process(); } // bang - slow motion mode // if(!pJS.tmp.repulse_finish){ // if(d <= repulseRadius){ // process(); // } // }else{ // process(); // } } else { if (pJS.tmp.repulse_clicking == false) { p.vx = p.vx_i; p.vy = p.vy_i; } } } } pJS.fn.modes.grabParticle = function(p) { if (pJS.interactivity.events.onhover.enable && pJS.interactivity.status == 'mousemove') { var dx_mouse = p.x - pJS.interactivity.mouse.pos_x, dy_mouse = p.y - pJS.interactivity.mouse.pos_y, dist_mouse = Math.sqrt(dx_mouse * dx_mouse + dy_mouse * dy_mouse); /* draw a line between the cursor and the particle if the distance between them is under the config distance */ if (dist_mouse <= pJS.interactivity.modes.grab.distance) { var opacity_line = pJS.interactivity.modes.grab.line_linked.opacity - (dist_mouse / (1 / pJS.interactivity.modes.grab.line_linked.opacity)) / pJS.interactivity.modes.grab.distance; if (opacity_line > 0) { /* style */ var color_line = pJS.particles.line_linked.color_rgb_line; pJS.canvas.ctx.strokeStyle = 'rgba(' + color_line.r + ',' + color_line.g + ',' + color_line.b + ',' + opacity_line + ')'; pJS.canvas.ctx.lineWidth = pJS.particles.line_linked.width; //pJS.canvas.ctx.lineCap = 'round'; /* performance issue */ /* path */ pJS.canvas.ctx.beginPath(); pJS.canvas.ctx.moveTo(p.x, p.y); pJS.canvas.ctx.lineTo(pJS.interactivity.mouse.pos_x, pJS.interactivity.mouse.pos_y); pJS.canvas.ctx.stroke(); pJS.canvas.ctx.closePath(); } } } }; /* ---------- pJS functions - vendors ------------ */ pJS.fn.vendors.eventsListeners = function() { /* events target element */ if (pJS.interactivity.detect_on == 'window') { pJS.interactivity.el = window; } else { pJS.interactivity.el = pJS.canvas.el; } /* detect mouse pos - on hover / click event */ if (pJS.interactivity.events.onhover.enable || pJS.interactivity.events.onclick.enable) { /* el on mousemove */ pJS.interactivity.el.addEventListener('mousemove', function(e) { if (pJS.interactivity.el == window) { var pos_x = e.clientX, pos_y = e.clientY; } else { var pos_x = e.offsetX || e.clientX, pos_y = e.offsetY || e.clientY; } pJS.interactivity.mouse.pos_x = pos_x; pJS.interactivity.mouse.pos_y = pos_y; if (pJS.tmp.retina) { pJS.interactivity.mouse.pos_x *= pJS.canvas.pxratio; pJS.interactivity.mouse.pos_y *= pJS.canvas.pxratio; } pJS.interactivity.status = 'mousemove'; }); /* el on onmouseleave */ pJS.interactivity.el.addEventListener('mouseleave', function(e) { pJS.interactivity.mouse.pos_x = null; pJS.interactivity.mouse.pos_y = null; pJS.interactivity.status = 'mouseleave'; }); } /* on click event */ if (pJS.interactivity.events.onclick.enable) { pJS.interactivity.el.addEventListener('click', function() { pJS.interactivity.mouse.click_pos_x = pJS.interactivity.mouse.pos_x; pJS.interactivity.mouse.click_pos_y = pJS.interactivity.mouse.pos_y; pJS.interactivity.mouse.click_time = new Date().getTime(); if (pJS.interactivity.events.onclick.enable) { switch (pJS.interactivity.events.onclick.mode) { case 'push': if (pJS.particles.move.enable) { pJS.fn.modes.pushParticles(pJS.interactivity.modes.push.particles_nb, pJS.interactivity.mouse); } else { if (pJS.interactivity.modes.push.particles_nb == 1) { pJS.fn.modes.pushParticles(pJS.interactivity.modes.push.particles_nb, pJS.interactivity.mouse); } else if (pJS.interactivity.modes.push.particles_nb > 1) { pJS.fn.modes.pushParticles(pJS.interactivity.modes.push.particles_nb); } } break; case 'remove': pJS.fn.modes.removeParticles(pJS.interactivity.modes.remove.particles_nb); break; case 'bubble': pJS.tmp.bubble_clicking = true; break; case 'repulse': pJS.tmp.repulse_clicking = true; pJS.tmp.repulse_count = 0; pJS.tmp.repulse_finish = false; setTimeout(function() { pJS.tmp.repulse_clicking = false; }, pJS.interactivity.modes.repulse.duration * 1000) break; } } }); } }; pJS.fn.vendors.densityAutoParticles = function() { if (pJS.particles.number.density.enable) { /* calc area */ var area = pJS.canvas.el.width * pJS.canvas.el.height / 1000; if (pJS.tmp.retina) { area = area / (pJS.canvas.pxratio * 2); } /* calc number of particles based on density area */ var nb_particles = area * pJS.particles.number.value / pJS.particles.number.density.value_area; /* add or remove X particles */ var missing_particles = pJS.particles.array.length - nb_particles; if (missing_particles < 0) pJS.fn.modes.pushParticles(Math.abs(missing_particles)); else pJS.fn.modes.removeParticles(missing_particles); } }; pJS.fn.vendors.checkOverlap = function(p1, position) { for (var i = 0; i < pJS.particles.array.length; i++) { var p2 = pJS.particles.array[i]; var dx = p1.x - p2.x, dy = p1.y - p2.y, dist = Math.sqrt(dx * dx + dy * dy); if (dist <= p1.radius + p2.radius) { p1.x = position ? position.x : Math.random() * pJS.canvas.w; p1.y = position ? position.y : Math.random() * pJS.canvas.h; pJS.fn.vendors.checkOverlap(p1); } } }; pJS.fn.vendors.createSvgImg = function(p) { /* set color to svg element */ var svgXml = pJS.tmp.source_svg, rgbHex = /#([0-9A-F]{3,6})/gi, coloredSvgXml = svgXml.replace(rgbHex, function(m, r, g, b) { if (p.color.rgb) { var color_value = 'rgba(' + p.color.rgb.r + ',' + p.color.rgb.g + ',' + p.color.rgb.b + ',' + p.opacity + ')'; } else { var color_value = 'hsla(' + p.color.hsl.h + ',' + p.color.hsl.s + '%,' + p.color.hsl.l + '%,' + p.opacity + ')'; } return color_value; }); /* prepare to create img with colored svg */ var svg = new Blob([coloredSvgXml], { type: 'image/svg+xml;charset=utf-8' }), DOMURL = window.URL || window.webkitURL || window, url = DOMURL.createObjectURL(svg); /* create particle img obj */ var img = new Image(); img.addEventListener('load', function() { p.img.obj = img; p.img.loaded = true; DOMURL.revokeObjectURL(url); pJS.tmp.count_svg++; }); img.src = url; }; pJS.fn.vendors.destroypJS = function() { cancelAnimationFrame(pJS.fn.drawAnimFrame); canvas_el.remove(); pJSDom = null; }; pJS.fn.vendors.drawShape = function(c, startX, startY, sideLength, sideCountNumerator, sideCountDenominator) { // By Programming Thomas - https://programmingthomas.wordpress.com/2013/04/03/n-sided-shapes/ var sideCount = sideCountNumerator * sideCountDenominator; var decimalSides = sideCountNumerator / sideCountDenominator; var interiorAngleDegrees = (180 * (decimalSides - 2)) / decimalSides; var interiorAngle = Math.PI - Math.PI * interiorAngleDegrees / 180; // convert to radians c.save(); c.beginPath(); c.translate(startX, startY); c.moveTo(0, 0); for (var i = 0; i < sideCount; i++) { c.lineTo(sideLength, 0); c.translate(sideLength, 0); c.rotate(interiorAngle); } //c.stroke(); c.fill(); c.restore(); }; pJS.fn.vendors.exportImg = function() { window.open(pJS.canvas.el.toDataURL('image/png'), '_blank'); }; pJS.fn.vendors.loadImg = function(type) { pJS.tmp.img_error = undefined; if (pJS.particles.shape.image.src != '') { if (type == 'svg') { var xhr = new XMLHttpRequest(); xhr.open('GET', pJS.particles.shape.image.src); xhr.onreadystatechange = function(data) { if (xhr.readyState == 4) { if (xhr.status == 200) { pJS.tmp.source_svg = data.currentTarget.response; pJS.fn.vendors.checkBeforeDraw(); } else { console.log('Error pJS - Image not found'); pJS.tmp.img_error = true; } } } xhr.send(); } else { var img = new Image(); img.addEventListener('load', function() { pJS.tmp.img_obj = img; pJS.fn.vendors.checkBeforeDraw(); }); img.src = pJS.particles.shape.image.src; } } else { console.log('Error pJS - No image.src'); pJS.tmp.img_error = true; } }; pJS.fn.vendors.draw = function() { if (pJS.particles.shape.type == 'image') { if (pJS.tmp.img_type == 'svg') { if (pJS.tmp.count_svg >= pJS.particles.number.value) { pJS.fn.particlesDraw(); if (!pJS.particles.move.enable) cancelRequestAnimFrame(pJS.fn.drawAnimFrame); else pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw); } else { //console.log('still loading...'); if (!pJS.tmp.img_error) pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw); } } else { if (pJS.tmp.img_obj != undefined) { pJS.fn.particlesDraw(); if (!pJS.particles.move.enable) cancelRequestAnimFrame(pJS.fn.drawAnimFrame); else pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw); } else { if (!pJS.tmp.img_error) pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw); } } } else { pJS.fn.particlesDraw(); if (!pJS.particles.move.enable) cancelRequestAnimFrame(pJS.fn.drawAnimFrame); else pJS.fn.drawAnimFrame = requestAnimFrame(pJS.fn.vendors.draw); } }; pJS.fn.vendors.checkBeforeDraw = function() { // if shape is image if (pJS.particles.shape.type == 'image') { if (pJS.tmp.img_type == 'svg' && pJS.tmp.source_svg == undefined) { pJS.tmp.checkAnimFrame = requestAnimFrame(check); } else { //console.log('images loaded! cancel check'); cancelRequestAnimFrame(pJS.tmp.checkAnimFrame); if (!pJS.tmp.img_error) { pJS.fn.vendors.init(); pJS.fn.vendors.draw(); } } } else { pJS.fn.vendors.init(); pJS.fn.vendors.draw(); } }; pJS.fn.vendors.init = function() { /* init canvas + particles */ pJS.fn.retinaInit(); pJS.fn.canvasInit(); pJS.fn.canvasSize(); pJS.fn.canvasPaint(); pJS.fn.particlesCreate(); pJS.fn.vendors.densityAutoParticles(); /* particles.line_linked - convert hex colors to rgb */ pJS.particles.line_linked.color_rgb_line = hexToRgb(pJS.particles.line_linked.color); }; pJS.fn.vendors.start = function() { if (isInArray('image', pJS.particles.shape.type)) { pJS.tmp.img_type = pJS.particles.shape.image.src.substr(pJS.particles.shape.image.src.length - 3); pJS.fn.vendors.loadImg(pJS.tmp.img_type); } else { pJS.fn.vendors.checkBeforeDraw(); } }; /* ---------- pJS - start ------------ */ pJS.fn.vendors.eventsListeners(); pJS.fn.vendors.start(); }; /* ---------- global functions - vendors ------------ */ Object.deepExtend = function(destination, source) { for (var property in source) { if (source[property] && source[property].constructor && source[property].constructor === Object) { destination[property] = destination[property] || {}; arguments.callee(destination[property], source[property]); } else { destination[property] = source[property]; } } return destination; }; window.requestAnimFrame = (function() { return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function(callback) { window.setTimeout(callback, 1000 / 60); }; })(); window.cancelRequestAnimFrame = (function() { return window.cancelAnimationFrame || window.webkitCancelRequestAnimationFrame || window.mozCancelRequestAnimationFrame || window.oCancelRequestAnimationFrame || window.msCancelRequestAnimationFrame || clearTimeout })(); function hexToRgb(hex) { // By Tim Down - http://stackoverflow.com/a/5624139/3493650 // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF") var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i; hex = hex.replace(shorthandRegex, function(m, r, g, b) { return r + r + g + g + b + b; }); var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex); return result ? { r: parseInt(result[1], 16), g: parseInt(result[2], 16), b: parseInt(result[3], 16) } : null; }; function clamp(number, min, max) { return Math.min(Math.max(number, min), max); }; function isInArray(value, array) { return array.indexOf(value) > -1; } /* ---------- particles.js functions - start ------------ */ window.pJSDom = []; window.particlesJS = function(tag_id, params) { //console.log(params); /* no string id? so it's object params, and set the id with default id */ if (typeof(tag_id) != 'string') { params = tag_id; tag_id = 'particles-js'; } /* no id? set the id to default id */ if (!tag_id) { tag_id = 'particles-js'; } /* pJS elements */ var pJS_tag = document.getElementById(tag_id), pJS_canvas_class = 'particles-js-canvas-el', exist_canvas = pJS_tag.getElementsByClassName(pJS_canvas_class); /* remove canvas if exists into the pJS target tag */ if (exist_canvas.length) { while (exist_canvas.length > 0) { pJS_tag.removeChild(exist_canvas[0]); } } /* create canvas element */ var canvas_el = document.createElement('canvas'); canvas_el.className = pJS_canvas_class; /* 动画相对元素的尺寸 */ canvas_el.style.width = "100%"; canvas_el.style.height = "100%"; /* append canvas */ var canvas = document.getElementById(tag_id).appendChild(canvas_el); /* launch particle.js */ if (canvas != null) { pJSDom.push(new pJS(tag_id, params)); } }; window.particlesJS.load = function(tag_id, path_config_json, callback) { /* load json config */ var xhr = new XMLHttpRequest(); xhr.open('GET', path_config_json); xhr.onreadystatechange = function(data) { if (xhr.readyState == 4) { if (xhr.status == 200) { var params = JSON.parse(data.currentTarget.response); window.particlesJS(tag_id, params); if (callback) callback(); } else { console.log('Error pJS - XMLHttpRequest status: ' + xhr.status); console.log('Error pJS - File config not found'); } } }; xhr.send(); }; //这里可以设置端点、线 所有属性 哈哈哈 都放到这里了 particlesJS('particles-js', { "particles": { "number": { //下面这个数约大越密集 太大浏览器会卡 "value": 20, "density": { "enable": true, //下面这个数约大越稀疏 太小浏览器会卡 "value_area": 80 } }, //交点的颜色 "color": { "value": "#ffffff" }, //别动就对了-—— "shape": { "type": "circle", "stroke": { "width": 0, "color": "#ffffff" }, "polygon": { "nb_sides": 5 }, "image": { "src": "img/github.svg", "width": 100, "height": 100 } }, //透明度 "opacity": { "value": 0.5, "random": false, "anim": { "enable": false, "speed": 1, "opacity_min": 0.1, "sync": false } }, //端点尺寸 "size": { "value": 2, "random": true, "anim": { "enable": false, "speed": 40, "size_min": 0.1, "sync": false } }, //线 "line_linked": { "enable": true, "distance": 80, //距离内连线 "color": "#ffffff", "opacity": 0.4, "width": 1 }, //移动属性 "move": { "enable": true, //动画速度在这里！！ "speed": 3, "direction": "none", "random": false, "straight": false, "out_mode": "out", "attract": { "enable": false, "rotateX": 600, "rotateY": 1200 } } }, //交互 "interactivity": { "detect_on": "canvas", "events": { //鼠标滑过 和 鼠标点击 属性模式 //true表示开启 false 关闭 "onhover": { "enable": true, "mode": "grab" }, "onclick": { "enable": true, "mode": "push" }, "resize": true }, //各种模式属性 把属性名替换 两个状态的 "mode": 即可1653/1657附近 "grab" "bubble" "repulse" "push" "remove" //下面是鼠标事件名称 "modes": { //鼠标与distance范围内点连线 "grab": { "distance": 100, "line_linked": { "opacity": 1 } }, //改变周围点相应属性 "bubble": { "distance": 100, "size": 10, "duration": 2, "opacity": 8, "speed": 3 }, //鼠标周围distance范围排斥 "repulse": { "distance": 100 }, //添加 或 删除点de数量 "push": { "particles_nb": 4 }, "remove": { "particles_nb": 2 } } }, "retina_detect": true, } );
