介绍几款生成360全景图的js插件
随着今年疫情的出现，网上看房的一波浪潮兴起，360度全景照片又火了一把，今天给大家介绍几种js生成360全景照片的方法。
一、Photo Sphere Viewer
这个是基于three.js的全景插件 photo-sphere-viewer.js,方便好用，只要将全景图片路径设置好就好了，示例代码如下：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>BFW NEW PAGE</title>
<script id="bfwone" data="dep=three|uevent.min|doT.min|polyfill.min&err=0" type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/bfwone.js"></script>
<script type="text/javascript">
bready(function() {
use(["photo-sphere-viewer.min", "photo-sphere-viewer.min"], function() {
var viewer = new PhotoSphereViewer({
container: 'viewer',
panorama: 'http://repo.bfw.wiki/bfwrepo/image/panorama.jpg'
});
});
});
</script>
<style>
#viewer {
width: 100vw;
height: 100vh;
}
</style>
</head>
<body>
<div id="viewer"></div>
</body>
</html>二、Watch3D
Watch3D采用的是css的特性，利用perspective和transform的属性来实现，相比较webgl上手比较简单，他不仅实现了360度的全景，而且实现了多个场景标签的相互切换，非常方便，完整示例代码如下：<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>BFW NEW PAGE</title>
<script id="bfwone" data="dep=jquery.17&err=0" type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/bfwone.js"></script>
<script type="text/javascript">
bready(function() {
use(["watch3D.min", "watch3D.min"], function() {
let layer = document.querySelector(".layer");
let w3d = new watch3D({
wrapper: ".wrapper",
autoplay: true,
width: 5000,
height: 2500,
num: 12,
maxY: 25,
tips: {
0: {
styles: {
"height": "100px",
"width": "100px",
"background-color": "#6cf",
"text-align": "center",
"margin-right": "10px",
"color": "#fff",
"cursor": "pointer"
},
content: "风景1",
callback: function(e) {
w3d.pause();
w3d.changeData({
num: 10,
resource: "http://repo.bfw.wiki/bfwrepo/image/5ed629d01fa50.png"
}, true);
}
},
1: {
styles: {
"height": "100px",
"width": "100px",
"background-color": "#6cf",
"text-align": "center",
"margin-right": "10px",
"color": "#fff"
},
content: "美女",
callback: function(e) {
w3d.pause();
w3d.changeData({
num: 15,
resource: "http://repo.bfw.wiki/bfwrepo/image/5ed629fb039b4.png"
}, true);
}
},
3: {
styles: {
"height": "100px",
"width": "100px",
"background-color": "#6cf",
"text-align": "center",
"margin-right": "10px",
"color": "#fff",
"font-size": "24px"
},
content: "自动播放",
callback: function(e) {
w3d.play();
}
},
4: {
styles: {
"height": "100px",
"width": "100px",
"background-color": "#6cf",
"text-align": "center",
"margin-right": "10px",
"color": "#fff"
},
content: "卧室",
callback: function(e) {
w3d.pause();
w3d.changeData({
num: 16,
resource: "http://repo.bfw.wiki/bfwrepo/image/5ed629466cc42.png"
}, true);
}
},
5: {
styles: {
"height": "100px",
"width": "100px",
"background-color": "#6cf",
"text-align": "center",
"margin-right": "10px",
"color": "#fff",
"font-size": "24px"
},
content: "暂停",
callback: function(e) {
w3d.pause();
}
}
},
resource: "http://repo.bfw.wiki/bfwrepo/image/panorama.jpg",
loadstart: function() {
layer.style.display = "block";
},
loadend: function(data) {
layer.style.display = "none";
}
});
});
});
</script>
<style>
.layer {
position: fixed;
left: 0px;
top: 0px;
width: 100%;
height: 100%;
background: rgba(0,0,0,0.8);
z-index: 1000;
}
.layer-text {
position: absolute;
left: 50%;
top: 50%;
width: 300px;
text-align: center;
font-size: 16px;
color: #fff;
-webkit-transform: translate(-50%,-50%);
transform: translate(-50%,-50%);
}
</style>
</head>
<body>
<div class="layer">
<div class="layer-text">
图片加载中.......
</div>
</div>
<div class="wrapper"></div>
</body>
</html>三、threejs
threejs可以用6张不同的方向的场景图片拼接成一个720度的交互全景效果，比上面2种的体验更棒，但是需要6张不同方位的图片，示例代码如下：<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>BFW NEW PAGE</title>
<script id="bfwone" data="dep=three&err=0" type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/bfwone.js"></script>
<style>
body {
background-color: #000000;
margin: 0;
cursor: move;
overflow: hidden;
}
.surface {
width: 1026px;
height: 1026px;
background-size: cover;
position: absolute;
}
.surface .bg {
position: absolute;
width: 1026px;
height: 1026px;
}
.m {
width: 200px;
padding: 20px;
position: fixed;
z-index: 999;
font-weight: bold;
color: #FFFFFF;
}
</style>
</head>
<body>
<div class="m">
720度全景展示
</div>
<div>
<div id="surface_0" class="surface">
<img class="bg" src="http://editor.bfw.wiki/bfwrepo/image/posx.jpg" alt="">
</div>
<div id="surface_1" class="surface">
<img class="bg" src="http://editor.bfw.wiki/bfwrepo/image/negx.jpg" alt="">
</div>
<div id="surface_2" class="surface">
<img class="bg" src="http://editor.bfw.wiki/bfwrepo/image/posy.jpg" alt="">
</div>
<div id="surface_3" class="surface">
<img class="bg" src="http://editor.bfw.wiki/bfwrepo/image/negy.jpg" alt="">
</div>
<div id="surface_4" class="surface">
<img class="bg" src="http://editor.bfw.wiki/bfwrepo/image/posz.jpg" alt="">
</div>
<div id="surface_5" class="surface">
<img class="bg" src="http://editor.bfw.wiki/bfwrepo/image/negz.jpg" alt="">
</div>
</div>
<script type="text/javascript">
var camera, scene, renderer;
var geometry, material, mesh;
var target;
var lon = 90,
lat = 0;
var phi = 0,
theta = 0;
var touchX, touchY;
bready(function() {
use(['CSS3DRenderer.min'], function() {
target = new THREE.Vector3();
init();
animate();
});
});
function init() {
camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 1, 1000);
scene = new THREE.Scene();
var sides = [{
position: [-512,
0,
0],
rotation: [0,
Math.PI / 2,
0]
},
{
position: [512,
0,
0],
rotation: [0,
-Math.PI / 2,
0]
},
{
position: [0,
512,
0],
rotation: [Math.PI / 2,
0,
Math.PI]
},
{
position: [0,
-512,
0],
rotation: [-Math.PI / 2,
0,
Math.PI]
},
{
position: [0,
0,
512],
rotation: [0,
Math.PI,
0]
},
{
position: [0,
0,
-512],
rotation: [0,
0,
0]
}];
for (var i = 0; i < sides.length; i++) {
var side = sides[i];
var element = document.getElementById("surface_" + i);
element.width = 1026;
var object = new THREE.CSS3DObject(element);
object.position.fromArray(side.position);
object.rotation.fromArray(side.rotation);
scene.add(object);
}
renderer = new THREE.CSS3DRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
document.addEventListener('mousedown', onDocumentMouseDown, false);
document.addEventListener('wheel', onDocumentMouseWheel, false);
document.addEventListener('touchstart', onDocumentTouchStart, false);
document.addEventListener('touchmove', onDocumentTouchMove, false);
window.addEventListener('resize', onWindowResize, false);
}
function animate() {
requestAnimationFrame(animate);
lat = Math.max(-85, Math.min(85, lat));
phi = THREE.Math.degToRad(90 - lat);
theta = THREE.Math.degToRad(lon);
target.x = Math.sin(phi) * Math.cos(theta);
target.y = Math.cos(phi);
target.z = Math.sin(phi) * Math.sin(theta);
camera.lookAt(target);
renderer.render(scene, camera);
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function onDocumentMouseDown(event) {
event.preventDefault();
document.addEventListener('mousemove', onDocumentMouseMove, false);
document.addEventListener('mouseup', onDocumentMouseUp, false);
}
function onDocumentMouseMove(event) {
var movementX = event.movementX || event.mozMovementX || event.webkitMovementX || 0;
var movementY = event.movementY || event.mozMovementY || event.webkitMovementY || 0;
lon -= movementX * 0.1;
lat += movementY * 0.1;
}
function onDocumentMouseUp(event) {
document.removeEventListener('mousemove', onDocumentMouseMove);
document.removeEventListener('mouseup', onDocumentMouseUp);
}
function onDocumentMouseWheel(event) {
camera.fov += event.deltaY * 0.05;
camera.updateProjectionMatrix();
}
function onDocumentTouchStart(event) {
event.preventDefault();
var touch = event.touches[0];
touchX = touch.screenX;
touchY = touch.screenY;
}
function onDocumentTouchMove(event) {
event.preventDefault();
var touch = event.touches[0];
lon -= (touch.screenX - touchX) * 0.1;
lat += (touch.screenY - touchY) * 0.1;
touchX = touch.screenX;
touchY = touch.screenY;
}
</script>
</body>
</html>
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