three实现星星粒子跟随鼠标动画效果代码-html代码-BFW代码库

代码语言：html

所属分类：粒子

代码描述：three实现星星粒子跟随鼠标动画效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
<style>
    html,body {
	height:100%;
}
body {
	margin:0;
	background-color:#000;
}
#canvas {
	display:block;
	width:100%;
	height:100%;
}
body.o-start #canvas {
	cursor:none;
}
#message {
	position:absolute;
	right:0;
	bottom:0;
	left:0;
	color:rgba(255,255,255,0.7);
	font-family:Georgia,serif;
	font-size:0.9rem;
	text-align:center;
	letter-spacing:0.1em;
	pointer-events:none;
	opacity:0;
	transition:opacity 500ms;
}
body.o-start #message {
	opacity:1;
}
</style>
</head>

<body><canvas id="canvas"></canvas>
    <p id="message">Move your mouse</p>
    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.103.js"></script>
    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/dat.gui-min.js"></script>
    <script type="module">
        
     parcelRequire = (function (init) {
  // Save the require from previous bundle to this closure if any
  var previousRequire = typeof parcelRequire === 'function' && parcelRequire;
  var nodeRequire = typeof require === 'function' && require;
  var modules = {};

  function localRequire(name, jumped) {
    if (name in modules) {
      return modules[name];
    }

    // if we cannot find the module within our internal map or
    // cache jump to the current global require ie. the last bundle
    // that was added to the page.
    var currentRequire = typeof parcelRequire === 'function' && parcelRequire;
    if (!jumped && currentRequire) {
      return currentRequire(name, true);
    }

    // If there are other bundles on this page the require from the
    // previous one is saved to 'previousRequire'. Repeat this as
    // many times as there are bundles until the module is found or
    // we exhaust the require chain.
    if (previousRequire) {
      return previousRequire(name, true);
    }

    // Try the node require function if it exists.
    if (nodeRequire && typeof name === 'string') {
      return nodeRequire(name);
    }

    var err = new Error('Cannot find module \'' + name + '\'');
    err.code = 'MODULE_NOT_FOUND';
    throw err;
  }

  localRequire.register = function register(id, exports) {
    modules[id] = exports;
  };

  modules = init(localRequire);
  localRequire.modules = modules;
  return localRequire;
})(function (require) {
function $parcel$interopDefault(a) {
  return a && a.__esModule ? {
    d: a.default
  } : {
    d: a
  };
}

function $pTw7$var$_toConsumableArray(arr) {
  return $pTw7$var$_arrayWithoutHoles(arr) || $pTw7$var$_iterableToArray(arr) || $pTw7$var$_nonIterableSpread();
}

function $pTw7$var$_nonIterableSpread() {
  throw new TypeError("Invalid attempt to spread non-iterable instance");
}

function $pTw7$var$_iterableToArray(iter) {
  if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
}

function $pTw7$var$_arrayWithoutHoles(arr) {
  if (Array.isArray(arr)) {
    for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) {
      arr2[i] = arr[i];
    }

    return arr2;
  }
}

function $pTw7$var$_classCallCheck(instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
}

function $pTw7$var$_defineProperties(target, props) {
  for (var i = 0; i < props.length; i++) {
    var descriptor = props[i];
    descriptor.enumerable = descriptor.enumerable || false;
    descriptor.configurable = true;
    if ("value" in descriptor) descriptor.writable = true;
    Object.defineProperty(target, descriptor.key, descriptor);
  }
}

function $pTw7$var$_createClass(Constructor, protoProps, staticProps) {
  if (protoProps) $pTw7$var$_defineProperties(Constructor.prototype, protoProps);
  if (staticProps) $pTw7$var$_defineProperties(Constructor, staticProps);
  return Constructor;
} // import * as THREE from 'three'
// import TrackballControls from 'three-trackballcontrols'
// import './three/postprocessing'
// THREE.TrackballControls = TrackballControls

/*!
 * Three.js Wrapper
 * forked from https://github.com/zadvorsky/three.bas/blob/86931253240abadf68b7c62edb934b994693ed4a/examples/_js/root.js
 */


var $pTw7$export$default =
/*#__PURE__*/
function () {
  function THREERoot(params) {
    var _this$camera$position,
        _this = this;

    $pTw7$var$_classCallCheck(this, THREERoot); // defaults

    var _params$container = params.container,
        container = _params$container === void 0 ? document.body : _params$container,
        _params$fov = params.fov,
        fov = _params$fov === void 0 ? 45 : _params$fov,
        zNear = params.zNear,
        zFar = params.zFar,
        _params$cameraPositio = params.cameraPosition,
        cameraPosition = _params$cameraPositio === void 0 ? [0, 0, 30] : _params$cameraPositio,
        _params$createCameraC = params.createCameraControls,
        createCameraControls = _params$createCameraC === void 0 ? false : _params$createCameraC,
        _params$isAutoStart = params.isAutoStart,
        isAutoStart = _params$isAutoStart === void 0 ? true : _params$isAutoStart,
        _params$pixelRatio = params.pixelRatio,
        pixelRatio = _params$pixelRatio === void 0 ? window.devicePixelRatio : _params$pixelRatio,
        _params$antialias = params.antialias,
        antialias = _params$antialias === void 0 ? window.devicePixelRatio === 1 : _params$antialias,
        _params$alpha = params.alpha,
        alpha = _params$alpha === void 0 ? false : _params$alpha,
        _params$clearColor = params.clearColor,
        clearColor = _params$clearColor === void 0 ? 0x000000 : _params$clearColor,
        aspect = params.aspect,
        _params$canvas = params.canvas,
        canvas = _params$canvas === void 0 ? document.createElement('.........完整代码请登录后点击上方下载按钮下载查看