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particles.js使用简介

米尔嘉
2022-10-15 / 0 评论 / 0 点赞 / 397 阅读 / 1,444 字 / 正在检测是否收录...
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particles.js插件

particles.js简介
A lightweight JavaScript library for creating particles.
一个轻量级的创建粒子背景的 JavaScript 库
particlesJS 开源在Github上:https://github.com/VincentGarreau/particles.js
这个项目中有提供demo,可以直接下载这个项目,打开demo里面的index.html文件,即可看到效果。
那么,如果我们要构建自己的项目,该如何引入文件呢?建议如下:

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>particles.js</title>
		<meta name="description" content="particles.js is a lightweight JavaScript library for creating particles.">
		<meta name="author" content="Vincent Garreau" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
		<link rel="stylesheet" media="screen" href="css/style.css">
		<style>
			/* 紫色 */
			#particles-js {
				background-color: #89219d;
				background-image: linear-gradient(75deg, #642626 0%, #89219d 39%, #361a64 100%);
			}
			
			/* 蓝色 */
			/* #particles-js {
			    background-color: #4a41d0;
			    background-image: linear-gradient(75deg,#182efa 0%,#336be4 39%,#4a41d0 100%);
			} */
			
			/* 彩色 */
			/* #particles-js{
			    background-color:#e43333;
				background-image:linear-gradient(75deg,#f2a02b 0%,#e43333 39%,#d0419d 100%);
			    
			} */	
		</style>
	</head>
	<body>
		<div id="particles-js"></div>
		<!-- scripts -->
		<script src="js/particles.js"></script>
		<script src="js/app.min.js"></script>
		<!-- scripts -->
	</body>
</html>

particles.js 是它的库,我们肯定是要引入的,app.js 是参数配置文件,我们也要引入,而 demo 中的 stats.js 就没有必要引入了。
style.css 我们也可以引入,背景颜色是在css中设置的。
基于这个模板,我们可以在上面添加我们想要实现的功能,比如说注册登录功能,需要注意的是:
用 div 来封装我们要实现的功能代码块,并且在 css 中为这个 div 设置绝对定位。

下面介绍参数配置文件 app.js 文件的使用:

particles.number.value : 粒子的数量

particles.number.density : 粒子的稀密程度

particles.number.density.enable : 启用粒子的稀密程度 (true 或 false)

particles.number.density.value_area : 每一个粒子占据的空间(启用粒子密度,才可用)

particles.color.value : 粒子的颜色 (支持16进制”#b61924”,rgb”{r:182, g:25, b:36}”,hsl,以及random)

particles.shape.type: 粒子的形状 (”circle” “edge” “triangle” “polygon” “star” “image”)

particles.opacity.value: 粒子的透明度

particles.size.anim.enable: 是否启用粒子速度(true/false)

particles.size.anim.speed: 粒子动画频率

particles.size.anim.sync: 粒子运行速度与动画是否同步

particles.move.speed: 粒子移动速度

两份完整配置文件 app.js。

配置文件一(经典背景):
particlesJS('particles-js',
{
  "particles": {
    "number": {
      "value": 80,
      "density": {
        "enable": true,
        "value_area": 800
      }
    },
    "color": {
      "value": "#ffffff"
    },
    "shape": {
      "type": "polygon",
      "stroke": {
        "width": 0,
        "color": "#000000"
      },
      "polygon": {
        "nb_sides": 5
      },
      "image": {
        "src": "img/github.svg",
        "width": 100,
        "height": 100
      }
    },
    "opacity": {
      "value": 0.5,
      "random": false,
      "anim": {
        "enable": false,
        "speed": 1,
        "opacity_min": 0.1,
        "sync": false
      }
    },
    "size": {
      "value": 3,
      "random": true,
      "anim": {
        "enable": false,
        "speed": 40,
        "size_min": 0.1,
        "sync": false
      }
    },
    "line_linked": {
      "enable": true,
      "distance": 150,
      "color": "#ffffff",
      "opacity": 0.4,
      "width": 1
    },
    "move": {
      "enable": true,
      "speed": 6,
      "direction": "none",
      "random": false,
      "straight": false,
      "out_mode": "out",
      "bounce": false,
      "attract": {
        "enable": false,
        "rotateX": 600,
        "rotateY": 1200
      }
    }
  },
  "interactivity": {
    "detect_on": "canvas",
    "events": {
      "onhover": {
        "enable": true,
        "mode": "repulse"
      },
      "onclick": {
        "enable": true,
        "mode": "push"
      },
      "resize": true
    },
    "modes": {
      "grab": {
        "distance": 400,
        "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": false
});
配置文件二(星空背景):
particlesJS('particles-js',{
  "particles": {
    "number": {
      "value": 160,
      "density": {
        "enable": true,
        "value_area": 800
      }
    },
    "color": {
      "value": "#ffffff"
    },
    "shape": {
      "type": "circle",
      "stroke": {
        "width": 0,
        "color": "#000000"
      },
      "polygon": {
        "nb_sides": 5
      },
      "image": {
        "src": "img/github.svg",
        "width": 100,
        "height": 100
      }
    },
    "opacity": {
      "value": 1,
      "random": true,
      "anim": {
        "enable": true,
        "speed": 1,
        "opacity_min": 0,
        "sync": false
      }
    },
    "size": {
      "value": 3,
      "random": true,
      "anim": {
        "enable": false,
        "speed": 4,
        "size_min": 0.3,
        "sync": false
      }
    },
    "line_linked": {
      "enable": false,
      "distance": 150,
      "color": "#ffffff",
      "opacity": 0.4,
      "width": 1
    },
    "move": {
      "enable": true,
      "speed": 1,
      "direction": "none",
      "random": true,
      "straight": false,
      "out_mode": "out",
      "bounce": false,
      "attract": {
        "enable": false,
        "rotateX": 600,
        "rotateY": 600
      }
    }
  },
  "interactivity": {
    "detect_on": "canvas",
    "events": {
      "onhover": {
        "enable": true,
        "mode": "bubble"
      },
      "onclick": {
        "enable": true,
        "mode": "repulse"
      },
      "resize": true
    },
    "modes": {
      "grab": {
        "distance": 400,
        "line_linked": {
          "opacity": 1
        }
      },
      "bubble": {
        "distance": 250,
        "size": 0,
        "duration": 2,
        "opacity": 0,
        "speed": 3
      },
      "repulse": {
        "distance": 400,
        "duration": 0.4
      },
      "push": {
        "particles_nb": 4
      },
      "remove": {
        "particles_nb": 2
      }
    }
  },
  "retina_detect": true
});

项目展示



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