WebGL完成元素周期表
2019-05-14 本文已影响0人
AcessCors
用webGL实现动态的元素周期表效果
<html>
<head>
<title>three.js css3d - periodic table</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
html,
body {
height: 100%;
}
body {
background-color: #000000;
margin: 0;
font-family: Helvetica, sans-serif;
;
overflow: hidden;
}
a {
color: #ffffff;
}
#info {
position: absolute;
width: 100%;
color: #ffffff;
padding: 5px;
font-family: Monospace;
font-size: 13px;
font-weight: bold;
text-align: center;
z-index: 1;
}
#menu {
position: absolute;
bottom: 20px;
width: 100%;
text-align: center;
}
.element {
width: 120px;
height: 160px;
box-shadow: 0px 0px 12px rgba(0, 255, 255, 0.5);
border: 1px solid rgba(127, 255, 255, 0.25);
text-align: center;
cursor: default;
}
.element:hover {
box-shadow: 0px 0px 12px rgba(0, 255, 255, 0.75);
border: 1px solid rgba(127, 255, 255, 0.75);
}
.element .number {
position: absolute;
top: 20px;
right: 20px;
font-size: 12px;
color: rgba(127, 255, 255, 0.75);
}
.element .symbol {
position: absolute;
top: 40px;
left: 0px;
right: 0px;
font-size: 60px;
font-weight: bold;
color: rgba(255, 255, 255, 0.75);
text-shadow: 0 0 10px rgba(0, 255, 255, 0.95);
}
.element .details {
position: absolute;
bottom: 15px;
left: 0px;
right: 0px;
font-size: 12px;
color: rgba(127, 255, 255, 0.75);
}
button {
color: rgba(127, 255, 255, 0.75);
background: transparent;
outline: 1px solid rgba(127, 255, 255, 0.75);
border: 0px;
padding: 5px 10px;
cursor: pointer;
}
button:hover {
background-color: rgba(0, 255, 255, 0.5);
}
button:active {
color: #000000;
background-color: rgba(0, 255, 255, 0.75);
}
</style>
</head>
<body>
<script src="../build/three.js"></script>
<script src="js/libs/tween.min.js"></script>
<script src="js/controls/TrackballControls.js"></script>
<script src="js/renderers/CSS3DRenderer.js"></script>
<div id="container"></div>
<div id="menu">
<button id="table">表格排列</button>
<button id="sphere">椭圆排列</button>
<button id="helix">螺旋排列</button>
<button id="grid">网格排列</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() {
camera = new THREE.PerspectiveCamera(40, window.innerWidth / window.innerHeight, 1, 10000);
camera.position.z = 3000;
scene = new THREE.Scene();
// table
for (var i = 0; i < table.length; i += 5) {
var element = document.createElement('div');
element.className = 'element';
element.style.backgroundColor = 'rgba(0,127,127,' + (Math.random() * 0.5 + 0.25) + ')';
var number = document.createElement('div');
number.className = 'number';
number.textContent = (i / 5) + 1;
element.appendChild(number);
var symbol = document.createElement('div');
symbol.className = 'symbol';
symbol.textContent = table[i];
element.appendChild(symbol);
var details = document.createElement('div');
details.className = 'details';
details.innerHTML = table[i + 1] + '<br>' + table[i + 2];
element.appendChild(details);
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;
scene.add(object);
objects.push(object);
//
var object = new THREE.Object3D();
object.position.x = (table[i + 3] * 140) - 1330;
object.position.y = -(table[i + 4] * 180) + 990;
targets.table.push(object);
}
// sphere
var vector = new THREE.Vector3();
for (var i = 0, l = objects.length; i < l; i++) {
var phi = Math.acos(-1 + (2 * i) / l);
var theta = Math.sqrt(l * Math.PI) * phi;
var object = new THREE.Object3D();
object.position.setFromSphericalCoords(800, phi, theta);
vector.copy(object.position).multiplyScalar(2);
object.lookAt(vector);
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();
object.position.setFromCylindricalCoords(900, theta,
y); // 设置setFromCylindricalCoords模型，在设置通过x,y,z的坐标，前提是需要数据计算坐标，也是效果生成的难点，需要研究数学计算的计算函数
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;
object.position.y = (-(Math.floor(i / 5) % 5) * 400) + 800;
object.position.z = (Math.floor(i / 25)) * 1000 - 2000;
targets.grid.push(object);
}
//
renderer = new THREE.CSS3DRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.getElementById('container').appendChild(renderer.domElement);
//
controls = new THREE.TrackballControls(camera, renderer.domElement); // THREE.TrackballControls创建轨迹球实例
controls.rotateSpeed = 2; // 旋转速度
controls.minDistance = 500; // 最小视角
controls.maxDistance = 6000; // 最大视角
controls.addEventListener('change', render);
var button = document.getElementById('table');
button.addEventListener('click', function () {
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);
transform(targets.table, 2000);
//
window.addEventListener('resize', onWindowResize, false);
}
function transform(targets, duration) {
// TWEEN.getAll 和 TWEEN.removeAll
// 删除目标的所有现有的渐变。如果override属性为真，则新渐变将自动调用此函数。
TWEEN.removeAll();
for (var i = 0; i < objects.length; i++) {
var object = objects[i];
var target = targets[i];
/*
---------动画运动算法（缓动函数）easing函数---------
Linear ==> 线性匀速运动效果
Quadratic ==> 二次方的缓动(t^2)
Cubic ==> 三次方的缓动()
Quartic ==> 四次方的缓动()
Quintic ==> 五次方的缓动
Sinusoidal ==> 正弦曲线的缓动()
Exponential ==> 指数曲线的缓动()
Circular ==> 圆形曲线的缓动()
Elastic ==> 指数衰减的正弦曲线缓动()
Back ==> 超过范围的三次方的缓动
Bounce ==> 指数衰减的反弹缓动
---------缓动方式（效果）easing类型---------
easeIn(In) ==> 加速，先慢后快
easeOut(Out) ==> 减速，先快后慢
easeInOut(InOut) ==> 前半段加速，后半段减速
*/
new TWEEN.Tween(object.position)
.to({
x: target.position.x,
y: target.position.y,
z: target.position.z
}, Math.random() * duration +
duration) // 在{Math.random() * duration + duration} 毫秒(ms)内 {object.position(x,y,z)}变为{(target.position.x,target.position.y,target.position.z)}
.easing(TWEEN.Easing.Circular.InOut) // 使用tweenjs在两个数组之间非线性变换。
.start();
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.Circular.InOut) // 使用tweenjs在两个数组之间非线性变换。
.start();
}
new TWEEN.Tween(this)
.to({}, duration * 2)
.onUpdate(render)
.start();
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
render();
}
function animate() {
requestAnimationFrame(animate);
TWEEN.update();
controls.update(); // 需要在animate函数中一直更新controls
}
function render() {
renderer.render(scene, camera);
}
</script>
</body>
</html>
