Three.js对我来说是新的，所以我对此有点困惑。
我读到了这个问题的答案：Using multiuple textures on a sphere [Three.js]
答案建议用户使用立方体来加载纹理，而不是球体。完成后，立方体可以扩展为球体。
var geometry = new THREE.BoxGeometry( 1, 1, 1, 8, 8, 8 );
for ( var i in geometry.vertices ) {
var vertex = geometry.vertices[ i ];
vertex.normalize().multiplyScalar(radius);
}
var materialArray = [];
var faceMaterial = new THREE.MeshLambertMaterial({
color: sphereColor,
transparent: true,
opacity: 0.4
});
for (var i = 0; i < 6; i++) {
materialArray.push(faceMaterial);
}
var material = new THREE.MeshFaceMaterial(materialArray);
var sphere = new THREE.Mesh( geometry, material );
scene.add( sphere );
同样的事情对视频有用吗？如果我想在球体上播放六个视频，我应该将“视频”纹理加载到立方体的六个面上，然后将其展开为球体。
编辑：
我有以下代码：
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - equirectangular video panorama</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
background-color: #000000;
margin: 0px;
overflow: hidden;
}
#info {
position: absolute;
top: 0px; width: 100%;
color: #ffffff;
padding: 5px;
font-family:Monospace;
font-size:13px;
font-weight: bold;
text-align:center;
}
a {
color: #ffffff;
}
</style>
</head>
<body>
<div id="container"></div>
<script src="three.js"></script>
<script>
var camera, scene, renderer;
var texture_placeholder,
isUserInteracting = false,
onMouseDownMouseX = 0, onMouseDownMouseY = 0,
lon = 0, onMouseDownLon = 0,
lat = 0, onMouseDownLat = 0,
phi = 0, theta = 0,
distance = 500;
init();
animate();
function init() {
var container, mesh;
container = document.getElementById( 'container' );
camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 1100 );
camera.target = new THREE.Vector3( 0, 0, 0 );
scene = new THREE.Scene();
//var geometry = new THREE.SphereBufferGeometry( 500, 60, 40 );
//geometry.scale( - 1, 1, 1 );
var geometry = new THREE.BoxBufferGeometry( 1,1,1,32,32,32 );
geometry.scale( - 1, 1, 1 );
for ( var i in geometry.vertices ) {
var vertex = geometry.vertices[ i ];
vertex.normalize().multiplyScalar(distance);
}
//var video = document.createElement( 'video' );
//video.width = 640;
//video.height = 360;
//video.autoplay = true;
//video.loop = true;
//video.src = "pano.webm";
var path = "vids/";
var format = '.mp4';
var urls = [
path + 'Row1Col1' + format, path + 'Row1Col2' + format,
path + 'Row1Col3' + format, path + 'Row2Col1' + format,
path + 'Row2Col2' + format, path + 'Row2Col3' + format
];
var reflectionCube = new THREE.CubeTextureLoader().load( urls );
reflectionCube.minFilter = THREE.LinearFilter;
reflectionCube.format = THREE.RGBFormat;
//var texture = new THREE.VideoTexture( video );
//texture.minFilter = THREE.LinearFilter;
//texture.format = THREE.RGBFormat;
//var material = new THREE.MeshBasicMaterial( { map : texture } );
//mesh = new THREE.Mesh( geometry, material );
//scene.add( mesh );
var materialArray = [];
var faceMaterial = new THREE.MeshLambertMaterial({
color: 0xffff00,
transparent: true,
opacity: 0.4
});
for (var i = 0; i < 6; i++) {
materialArray.push(faceMaterial);
}
var material = new THREE.MeshFaceMaterial(materialArray);
var sphere = new THREE.Mesh( geometry, material );
scene.add( sphere );
//End of what I have added
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
document.addEventListener( 'mousedown', onDocumentMouseDown, false );
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
document.addEventListener( 'mouseup', onDocumentMouseUp, false );
document.addEventListener( 'mousewheel', onDocumentMouseWheel, false );
document.addEventListener( 'MozMousePixelScroll', onDocumentMouseWheel, false);
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function onDocumentMouseDown( event ) {
event.preventDefault();
isUserInteracting = true;
onPointerDownPointerX = event.clientX;
onPointerDownPointerY = event.clientY;
onPointerDownLon = lon;
onPointerDownLat = lat;
}
function onDocumentMouseMove( event ) {
if ( isUserInteracting === true ) {
lon = ( onPointerDownPointerX - event.clientX ) * 0.1 + onPointerDownLon;
lat = ( event.clientY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
}
}
function onDocumentMouseUp( event ) {
isUserInteracting = false;
}
function onDocumentMouseWheel( event ) {
// WebKit
if ( event.wheelDeltaY ) {
distance -= event.wheelDeltaY * 0.05;
// Opera / Explorer 9
} else if ( event.wheelDelta ) {
distance -= event.wheelDelta * 0.05;
// Firefox
} else if ( event.detail ) {
distance += event.detail * 1.0;
}
}
function animate() {
requestAnimationFrame( animate );
update();
}
function update() {
lat = Math.max( - 85, Math.min( 85, lat ) );
phi = THREE.Math.degToRad( 90 - lat );
theta = THREE.Math.degToRad( lon );
camera.position.x = distance * Math.sin( phi ) * Math.cos( theta );
camera.position.y = distance * Math.cos( phi );
camera.position.z = distance * Math.sin( phi ) * Math.sin( theta );
camera.lookAt( camera.target );
/*
// distortion
camera.position.copy( camera.target ).negate();
*/
renderer.render( scene, camera );
}
</script>
</body>
然而，它不起作用。我将它托管在网络上后，只有一个黑屏。你能告诉我哪里出错了吗？
答案 0 :(得分：0)
根据我最近在Threejs中处理360个视频的一些发现（我也是Threejs的新手），由于整体分辨率过高，您可能会看到黑屏。如果每个视频的分辨率均为4k，则您尝试显示24k分辨率的视频。我开始遇到问题，即使在更高端的设备和100 mbps以上的网络速度下，我在5.7k之后仍会出现黑屏。