particles测试 | JShare

/* particlesJS.load(@dom-id, @path-json, @callback (optional)); */
//也可以这么写 把配置写成json文件,然后用配置js引入
// particlesJS.load('particles-js', 'assets/particles.json', function() {
//   console.log('callback - particles.js config loaded');
// });

// -----------------------------------------------------------------------------------


/* ---- particles.js config ---- */
particlesJS("particles-js", {	//dom标签
    "particles": {
        "number": { //粒子的数量
            "value": 80,
            "density": {  //粒子的稀密程度 这个轻易别该 会死机 越大越稀疏
                "enable": true,
                "value_area": 1000  // 每一个粒子占据的空间
            }
        },
        "color": {
            "value": ['#2d8cf0', '#19be6b', '#ff9900', '#ed3f14'] //粒子颜色 （支持16进制”#b61924”，rgb”{r:182, g:25, b:36}”，hsl，以及random）['#2d8cf0', '#19be6b', '#ff9900', '#ed3f14']
        },
        "image": {  //如果使用图片 这里设置
            "src": "img/github.svg",
            "width": 100,
            "height": 100
        },
        "shape": {
            "type": "circle", // 粒子的形状 （”circle” “edge” “triangle” “polygon” “star” “image”）
            "stroke": { // 粒子边缘线条 宽度和颜色
                "width": 0,
                "color": "#000000"
            },
            "polygon": {  //多变形状,不太理解
                "nb_sides": 5
            },
        },
        "opacity": {
            "value": 0.75,  //粒子透明度 (0~1)
            "random": true,  //随机透明度
            "anim": {
                "enable": false,  //开启动画 这样粒子的透明度将不断变化
                "speed": 1,     //数值越大 速度变化越快
                "opacity_min": 0.1, //应该是透明变化幅度
                "sync": false
            }
        },
        "size": {
            "value": 10,  //粒子大小
            "random": true,
            "anim": {
                "enable": false, //大小动画
                "speed": 40,
                "size_min": 0.1,
                "sync": false
            }
        },
        "line_linked": {  //连线
            "enable": true,
            "distance": 150,  //相距多少连线
            "color": "#ffffff",
            "opacity": 0.4, //透明度
            "width": 1
        },
        "move": {
            "enable": true, //如果关闭了 就没有画面了
            "speed": 4,   //越大速度越快
            "direction": "none", //移动方向 none碰撞运动
            "random": false,   //粒子随机运动了 也没物理特性了
            "straight": false,   //静止 
            "out_mode": "out",  //粒子是否可以出边缘 out/bounce
            "bounce": false,      //粒子之间是否碰撞
            "attract": {       //这个不知道是干啥的 好像粒子互相吸引
                "enable": false,
                "rotateX": 600,
                "rotateY": 1200
            }
        }
    },
    "interactivity": {
        "detect_on": "canvas",
        "events": {
            "onhover": {  //鼠标是否互动
                "enable": false,
                "mode": "repulse" //互动模式 ["grab", "bubble","repulse"] 第一个是连线 第二个粒子放大  第三个是推开
            },
            "onclick": {
                "enable": false,
                "mode": "repulse"  //点击特效 "push" ["push", "remove","bubble" ,"repulse"] push是添加 其他的和上面一样
            },
            "resize": true  //重画不太懂干什么用的
        },
        "modes": {  //这里是模式的设置
            "grab": {
                "distance": 140,
                "line_linked": {
                    "opacity": 1
                }
            },
            "bubble": {
                "distance": 400,
                "size": 40,
                "duration": 2,
                "opacity": 8,
                "speed": 3
            },
            "repulse": {
                "distance": 200,
                "duration": 0.4
            },
            "push": {
                "particles_nb": 4
            },
            "remove": {
                "particles_nb": 2
            }
        }
    },
    "retina_detect": true //不知道干啥的
});
/* ---- stats.js config ---- */
var count_particles, stats, update;
stats = new Stats;
stats.setMode(0);
stats.domElement.style.position = 'absolute';
stats.domElement.style.left = '0px';
stats.domElement.style.top = '0px';
document.body.appendChild(stats.domElement);
count_particles = document.querySelector('.js-count-particles');
update = function() {
    stats.begin();
    stats.end();
    if (window.pJSDom[0].pJS.particles && window.pJSDom[0].pJS.particles.array) {
        count_particles.innerText = window.pJSDom[0].pJS.particles.array.length;
    }
    requestAnimationFrame(update);
};
requestAnimationFrame(update);

<!-- particles.js container -->
<div id="particles-js"></div>
<!-- stats - count particles -->
<div class="count-particles">
    <span class="js-count-particles">--</span> particles
</div>
<!-- particles.js lib (JavaScript CodePen settings): https://github.com/VincentGarreau/particles.js -->

/* ---- reset ---- */
body {
    margin: 0;
    font:normal 75% Arial, Helvetica, sans-serif;
}
canvas {
    display: block;
    vertical-align: bottom;
}
/* ---- particles.js container ---- */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #222;
    background-image: url("");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50% 50%;
}
/* ---- stats.js ---- */
.count-particles{
    background: #000022;
    position: absolute;
    top: 48px;
    left: 0;
    width: 80px;
    color: #13E8E9;
    font-size: .8em;
    text-align: left;
    text-indent: 4px;
    line-height: 14px;
    padding-bottom: 2px;
    font-family: Helvetica, Arial, sans-serif;
    font-weight: bold;
}
.js-count-particles{
    font-size: 1.1em;
}
#stats,
.count-particles{
    -webkit-user-select: none;
}
#stats{
    border-radius: 3px 3px 0 0;
    overflow: hidden;
}
.count-particles{
    border-radius: 0 0 3px 3px;
}

{"doctype":0,"resouces":"https://cdn.bootcss.com/particles.js/2.0.0/particles.js","options":"{\"editor\":{\"saveLayout\":false,\"saveFold\":false,\"autoFormat\":true},\"hcode\":{\"layoutId\":0}}","meta":""}

particles测试 | JShare

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