<!DOCTYPE html> <html> <head> <title>three.js css3d - periodic table</title> <meta charset="utf-8" /> <!-- 控制网页为全屏幕大小，手机页面常用 --> <!-- 属性效果分别为 device-width ：设备的宽度 user-scalable:是否可对页面进行缩放，no 禁止缩放--> <!-- minimum-scale 允许用户缩放到的最小比例 maximum-scale - 允许用户缩放到的最大比例 --> <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0" /> </head> <body> <script src="build/three.js"></script> <script src="examples/js/libs/tween.min.js"></script> <script src="examples/js/controls/TrackballControls.js"></script> <script src="examples/js/renderers/CSS3DRenderer.js"></script> <div id="info"> <a href="http://threejs.org" target="_blank" rel="noopener" >three.js css3d</a > - periodic table. <a href="https://plus.google.com/113862800338869870683/posts/QcFk5HrWran" target="_blank" rel="noopener" >info</a >. </div> <div id="container"></div> <div id="menu"> <button id="table">TABLE</button> <button id="sphere">SPHERE</button> <button id="helix">HELIX</button> <button id="grid">GRID</button> </div> <script> var table = [ "H", "Hydrogen", "1.00794", 1, 1, "He", "Helium", "4.002602", 18, 1, "Li", "Lithium", "6.941", 1, 2, "Be", "Beryllium", "9.012182", 2, 2, "B", "Boron", "10.811", 13, 2, "C", "Carbon", "12.0107", 14, 2, "N", "Nitrogen", "14.0067", 15, 2, "O", "Oxygen", "15.9994", 16, 2, "F", "Fluorine", "18.9984032", 17, 2, "Ne", "Neon", "20.1797", 18, 2, "Na", "Sodium", "22.98976...", 1, 3, "Mg", "Magnesium", "24.305", 2, 3, "Al", "Aluminium", "26.9815386", 13, 3, "Si", "Silicon", "28.0855", 14, 3, "P", "Phosphorus", "30.973762", 15, 3, "S", "Sulfur", "32.065", 16, 3, "Cl", "Chlorine", "35.453", 17, 3, "Ar", "Argon", "39.948", 18, 3, "K", "Potassium", "39.948", 1, 4, "Ca", "Calcium", "40.078", 2, 4, "Sc", "Scandium", "44.955912", 3, 4, "Ti", "Titanium", "47.867", 4, 4, "V", "Vanadium", "50.9415", 5, 4, "Cr", "Chromium", "51.9961", 6, 4, "Mn", "Manganese", "54.938045", 7, 4, "Fe", "Iron", "55.845", 8, 4, "Co", "Cobalt", "58.933195", 9, 4, "Ni", "Nickel", "58.6934", 10, 4, "Cu", "Copper", "63.546", 11, 4, "Zn", "Zinc", "65.38", 12, 4, "Ga", "Gallium", "69.723", 13, 4, "Ge", "Germanium", "72.63", 14, 4, "As", "Arsenic", "74.9216", 15, 4, "Se", "Selenium", "78.96", 16, 4, "Br", "Bromine", "79.904", 17, 4, "Kr", "Krypton", "83.798", 18, 4, "Rb", "Rubidium", "85.4678", 1, 5, "Sr", "Strontium", "87.62", 2, 5, "Y", "Yttrium", "88.90585", 3, 5, "Zr", "Zirconium", "91.224", 4, 5, "Nb", "Niobium", "92.90628", 5, 5, "Mo", "Molybdenum", "95.96", 6, 5, "Tc", "Technetium", "(98)", 7, 5, "Ru", "Ruthenium", "101.07", 8, 5, "Rh", "Rhodium", "102.9055", 9, 5, "Pd", "Palladium", "106.42", 10, 5, "Ag", "Silver", "107.8682", 11, 5, "Cd", "Cadmium", "112.411", 12, 5, "In", "Indium", "114.818", 13, 5, "Sn", "Tin", "118.71", 14, 5, "Sb", "Antimony", "121.76", 15, 5, "Te", "Tellurium", "127.6", 16, 5, "I", "Iodine", "126.90447", 17, 5, "Xe", "Xenon", "131.293", 18, 5, "Cs", "Caesium", "132.9054", 1, 6, "Ba", "Barium", "132.9054", 2, 6, "La", "Lanthanum", "138.90547", 4, 9, "Ce", "Cerium", "140.116", 5, 9, "Pr", "Praseodymium", "140.90765", 6, 9, "Nd", "Neodymium", "144.242", 7, 9, "Pm", "Promethium", "(145)", 8, 9, "Sm", "Samarium", "150.36", 9, 9, "Eu", "Europium", "151.964", 10, 9, "Gd", "Gadolinium", "157.25", 11, 9, "Tb", "Terbium", "158.92535", 12, 9, "Dy", "Dysprosium", "162.5", 13, 9, "Ho", "Holmium", "164.93032", 14, 9, "Er", "Erbium", "167.259", 15, 9, "Tm", "Thulium", "168.93421", 16, 9, "Yb", "Ytterbium", "173.054", 17, 9, "Lu", "Lutetium", "174.9668", 18, 9, "Hf", "Hafnium", "178.49", 4, 6, "Ta", "Tantalum", "180.94788", 5, 6, "W", "Tungsten", "183.84", 6, 6, "Re", "Rhenium", "186.207", 7, 6, "Os", "Osmium", "190.23", 8, 6, "Ir", "Iridium", "192.217", 9, 6, "Pt", "Platinum", "195.084", 10, 6, "Au", "Gold", "196.966569", 11, 6, "Hg", "Mercury", "200.59", 12, 6, "Tl", "Thallium", "204.3833", 13, 6, "Pb", "Lead", "207.2", 14, 6, "Bi", "Bismuth", "208.9804", 15, 6, "Po", "Polonium", "(209)", 16, 6, "At", "Astatine", "(210)", 17, 6, "Rn", "Radon", "(222)", 18, 6, "Fr", "Francium", "(223)", 1, 7, "Ra", "Radium", "(226)", 2, 7, "Ac", "Actinium", "(227)", 4, 10, "Th", "Thorium", "232.03806", 5, 10, "Pa", "Protactinium", "231.0588", 6, 10, "U", "Uranium", "238.02891", 7, 10, "Np", "Neptunium", "(237)", 8, 10, "Pu", "Plutonium", "(244)", 9, 10, "Am", "Americium", "(243)", 10, 10, "Cm", "Curium", "(247)", 11, 10, "Bk", "Berkelium", "(247)", 12, 10, "Cf", "Californium", "(251)", 13, 10, "Es", "Einstenium", "(252)", 14, 10, "Fm", "Fermium", "(257)", 15, 10, "Md", "Mendelevium", "(258)", 16, 10, "No", "Nobelium", "(259)", 17, 10, "Lr", "Lawrencium", "(262)", 18, 10, "Rf", "Rutherfordium", "(267)", 4, 7, "Db", "Dubnium", "(268)", 5, 7, "Sg", "Seaborgium", "(271)", 6, 7, "Bh", "Bohrium", "(272)", 7, 7, "Hs", "Hassium", "(270)", 8, 7, "Mt", "Meitnerium", "(276)", 9, 7, "Ds", "Darmstadium", "(281)", 10, 7, "Rg", "Roentgenium", "(280)", 11, 7, "Cn", "Copernicium", "(285)", 12, 7, "Nh", "Nihonium", "(286)", 13, 7, "Fl", "Flerovium", "(289)", 14, 7, "Mc", "Moscovium", "(290)", 15, 7, "Lv", "Livermorium", "(293)", 16, 7, "Ts", "Tennessine", "(294)", 17, 7, "Og", "Oganesson", "(294)", 18, 7 ]; var camera, scene, renderer; var controls; var objects = []; var targets = { table: [], sphere: [], helix: [], grid: [] }; init(); animate(); function init() { // PerspectiveCamera(fov, aspect, near, far) // Fov – 相机的视锥体的垂直视野角 越大越远 // 我们把视角由45度变为60度，发现立方体变小了，很容易理解，视角变大之后，可以看到的范围变大了 // Aspect – 相机视锥体的长宽比 通常设置为canvas元素的高宽比。 // Near – 相机视锥体的近平面 // Far – 相机视锥体的远平面 // 只有离相机的距离大于near值，小于far值，且在相机的可视角度之内，才能被相机投影到 camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 10000 ); //相机得位置 在（0,0,3000） camera.position.z = 3000; //得到一个场景 //场景就是一个三维空间 scene = new THREE.Scene(); // table for (var i = 0; i < table.length; i += 5) { //得到一个div var element = document.createElement("div"); //给她class值 element.className = "element"; //给他一个背景颜色 element.style.backgroundColor = "rgba(0,127,127," + (Math.random() * 0.5 + 0.25) + ")"; var number = document.createElement("div"); number.className = "number"; //给一个文本内容 //元素的排序 number.textContent = i / 5 + 1; //将这个div加入到上面的div element.appendChild(number); var symbol = document.createElement("div"); symbol.className = "symbol"; //从上面数组拿到元素的缩写 //textContent类似于innerHTML symbol.textContent = table[i]; //也加到上面 element.appendChild(symbol); var details = document.createElement("div"); details.className = "details"; //得到元素的全拼 和 序号 //<br>换行符 details.innerHTML = table[i + 1] + "<br>" + table[i + 2]; element.appendChild(details); //一个完整的元素块 var object = new THREE.CSS3DObject(element); object.position.x = Math.random() * 4000 - 2000; object.position.y = Math.random() * 4000 - 2000; object.position.z = Math.random() * 4000 - 2000; //这边x，y，z坐标随机 是刚进入时元素块会随机出现 //添加到场景 scene.add(object); //将object保存下来 //方便找到 //并且把所以的耽搁元素都已经做好的 保存到objects里面方便后面用到 objects.push(object); //得到一个3D对象吧 和上面类似 只不过上面那个更精确 //正常排列 var object = new THREE.Object3D(); object.position.x = table[i + 3] * 140 - 1330; object.position.y = -(table[i + 4] * 180) + 990; //保存到table标签里 点击回到正常排列 targets.table.push(object); } // sphere //获得一个3维向量 var vector = new THREE.Vector3(); for (var i = 0, l = objects.length; i < l; i++) { //acos() 方法可返回一个数的反余弦 var phi = Math.acos(-1 + (2 * i) / l); //sqrt() 方法可返回一个数的平方根。 var theta = Math.sqrt(l * Math.PI) * phi; var object = new THREE.Object3D(); //球坐标 利用球坐标 表示一个点 p 在三维空间的位置的三维正交坐标系 object.position.setFromSphericalCoords(800, phi, theta); //猜测所有属性乘2 multiply 相乘 scalar 数量 vector.copy(object.position).multiplyScalar(2); //将对想看向该目标点 //应该是通过循环将每个元素块的3维向量更改 而且好像是连属性改 上面坐标3维坐标 下面为球坐标 类型都换了 object.lookAt(vector); //每一个循环 将坐标放入 targets.sphere.push(object); } // helix var vector = new THREE.Vector3(); for (var i = 0, l = objects.length; i < l; i++) { var theta = i * 0.175 + Math.PI; var y = -(i * 8) + 450; var object = new THREE.Object3D(); //柱坐标 r、φ、z x=rcosφ y=rsinφ z=z object.position.setFromCylindricalCoords(900, theta, y); //存入的是柱坐标 取x，y，z取得是转化后的x，y，z还是柱坐标 //但是如果是柱坐标 就没有必要乘2 直接给好 所以推断 应该是转化后的 x，y，z //那为什么废那么大劲求柱坐标呢？ vector.x = object.position.x * 2; vector.y = object.position.y; vector.z = object.position.z * 2; object.lookAt(vector); targets.helix.push(object); } // grid for (var i = 0; i < objects.length; i++) { var object = new THREE.Object3D(); object.position.x = (i % 5) * 400 - 800; //Math.floor() 返回小于或等于一个给定数字的最大整数。 object.position.y = -(Math.floor(i / 5) % 5) * 400 + 800; object.position.z = Math.floor(i / 25) * 1000 - 2000; targets.grid.push(object); } // //渲染器 renderer = new THREE.CSS3DRenderer(); renderer.setSize(window.innerWidth, window.innerHeight); //把渲染器的所以结点添加到container（第二个div）里面 document.getElementById("container").appendChild(renderer.domElement); // //THREE.TrackballControls()轨迹球控件，最常用的控件，可以使用鼠标轻松的移动、平移，缩放场景。 controls = new THREE.TrackballControls(camera, renderer.domElement); //rotateSpeed 旋转速度 //zoomSpeed 缩放速度 //minDistance 最小视角 //maxDistance 最大视角 Infinity 无穷大 //controls.staticMoving 默认false 静止移动，为 true 则没有惯性 ///controls.dynamicDampingFactor 阻尼系数 越小 则滑动越大 controls.rotateSpeed = 0.5; controls.minDistance = 500; controls.maxDistance = 6000; //添加方法 渲染 controls.addEventListener("change", render); //给table点击方法 var button = document.getElementById("table"); button.addEventListener( "click", function() { //让每个元素移到达个数组里保存的坐标 transform(targets.table, 2000); }, false ); var button = document.getElementById("sphere"); button.addEventListener( "click", function() { transform(targets.sphere, 2000); }, false ); var button = document.getElementById("helix"); button.addEventListener( "click", function() { transform(targets.helix, 2000); }, false ); var button = document.getElementById("grid"); button.addEventListener( "click", function() { transform(targets.grid, 2000); }, false ); //这个应该是才开始将位置从随机乱序变成正常的位置 transform(targets.table, 2000); // window.addEventListener("resize", onWindowResize, false); } function transform(targets, duration) { //清除所有东西 TWEEN.removeAll(); for (var i = 0; i < objects.length; i++) { var object = objects[i]; var target = targets[i]; //tween.js是一款可生成平滑动画效果的js动画库。 //只需要给她一个起点和终点 过程自己会生成 new TWEEN.Tween(object.position) .to( { x: target.position.x, y: target.position.y, z: target.position.z }, Math.random() * duration + duration ) //为了平滑动画效果，你需要在同一个循环动画中调用TWEEN.update方法。 //easing函数仅在每个tween每次被更新时调用，而不管有多少属性被改变。结果随后会被用于初始值： .easing(TWEEN.Easing.Exponential.InOut) .start(); //rotation 旋转 new TWEEN.Tween(object.rotation) .to( { x: target.rotation.x, y: target.rotation.y, z: target.rotation.z }, Math.random() * duration + duration ) .easing(TWEEN.Easing.Exponential.InOut) .start(); } //上面是单个元素块 new TWEEN.Tween(this) .to({}, duration * 2) .onUpdate(render) .start(); } function onWindowResize() { camera.aspect = window.innerWidth / window.innerHeight; camera.updateProjectionMatrix(); //时刻保持渲染器大小 renderer.setSize(window.innerWidth, window.innerHeight); render(); } //应该是优化动画 function animate() { //requestAnimationFrame的方式的优势如下： // 1.经过浏览器优化，动画更流畅 // 2.窗口没激活时，动画将停止，省计算资源 requestAnimationFrame(animate); TWEEN.update(); controls.update(); } //轨迹球控件的方法 //render(file,option),模板引擎就能自己渲染出视图,将视图模板的文件位置放入file,将传入的模板数据放入option对象中， function render() { renderer.render(scene, camera); } </script> </body> </html>