Javascript 3.js渐变背景色不';行不通
我用three.js制作了一个3d图形项目的网站 为了制作渐变背景色,我在谷歌搜索了几个小时 我发现下面的源代码被广泛使用Javascript 3.js渐变背景色不';行不通,javascript,css,three.js,Javascript,Css,Three.js,我用three.js制作了一个3d图形项目的网站 为了制作渐变背景色,我在谷歌搜索了几个小时 我发现下面的源代码被广泛使用 html { width: 100%; height: 100%; background: #11e8bb; /* Old browsers */ background: -moz-linear-gradient(top, #11e8bb 0%, #8200c9 100%); /* FF3.6-15 */ background: -webkit-li
html {
width: 100%;
height: 100%;
background: #11e8bb; /* Old browsers */
background: -moz-linear-gradient(top, #11e8bb 0%, #8200c9 100%); /* FF3.6-15 */
background: -webkit-linear-gradient(top, #11e8bb 0%,#8200c9 100%); /* Chrome10-25,Safari5.1-6 */
background: linear-gradient(to bottom, #11e8bb 0%,#8200c9 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#11e8bb', endColorstr='#8200c9',GradientType=0 ); /* IE6-9 */
}
只需将linear gradient
设置为background,其他Exmaple就可以使用该代码
但我的情况是,它不起作用
我的密码在这里
[index.html]
<html>
<head>
<link rel="stylesheet" type="text/css" href="style.css">
<script src="https://cdn.rawgit.com/mrdoob/three.js/master/build/three.min.js"></script>
<script src="OrbitControls.js"></script>
<script src="Device2.js"></script>
<script src="FlyControls.js"></script>
<script src="hammer.js"></script>
<script src="https://unpkg.com/three.texttexture"></script>
<script src="https://unpkg.com/three.textsprite"></script>
<meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1, maximum-scale=1">
</head>
<body>
<header>
<div class="header-left">
<img src="./img/company_logo.png">
</div>
<div class="header-right">
<a href="#">ABOUT</a>
<a href="#">PRODUCT</a>
<a href="#">CONTACT</a>
</div>
</header>
<!-- <div id="threejs" data-long-press-delay="300" onmousedown="mouseDown()"></div>-->
<div id="threejs"></div>
<script src="src.js"></script>
<div class="down-btn">
<a href="#section">↓</a>
</div>
<section id="section">
SECTION
</section>
</body>
</html>
部分
[src.js]
// Define Variables
var myElement = document.getElementById("threejs");
let camera, scene, renderer;
const mouse = new THREE.Vector2();
clicked = new THREE.Vector2();
const target = new THREE.Vector2();
const windowHalf = new THREE.Vector2( window.innerWidth / 2, window.innerHeight / 2 );
const moveState = {forward: 0, back: 0};
var isMobile = false;
var hold = -1;
/****** Define Function ******/
/*****************************/
checkMobile = () => {
var UserAgent = navigator.userAgent;
if (UserAgent.match(/iPhone|iPod|Android|Windows CE|BlackBerry|Symbian|Windows Phone|webOS|Opera Mini|Opera Mobi|POLARIS|IEMobile|lgtelecom|nokia|SonyEricsson/i) != null || UserAgent.match(/LG|SAMSUNG|Samsung/) != null) {
isMobile = true;
} else {
isMobile = false;
}
}
checkMobile();
// Pinch zoom
var hammer = new Hammer(myElement);
hammer.get('pinch').set({ enable: true });
hammer.on('pinch', function(event) {
event.preventDefault();
if(parseInt(event.scale) > 0) { // Zoom in/out check
camera.position.z -= 4;
} else {
camera.position.z += 4.5;
}
});
onMouseMove = (event) => {
mouse.x = ( (event.clientX/2) - (windowHalf.x/2) );
mouse.y = ( (event.clientY/2) - (windowHalf.y/2) );
clicked.x = ( event.clientX / window.innerWidth ) * 2 - 1;
clicked.y = - ( event.clientY / window.innerHeight ) * 2 + 1;
}
onResize = (event) => {
const width = window.innerWidth;
const height = window.innerHeight;
windowHalf.set( width / 2, height / 2 );
camera.aspect = width / height;
camera.updateProjectionMatrix();
renderer.setSize( width, height );
}
onContextMenu = (event) => {
event.preventDefault();
}
onMouseDown = (event) => {
hold = event.which;
}
onMouseUp = () => {
hold = -1;
};
// Start Script
init = () => {
camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 5000 );
camera.position.x = 0;
camera.position.y = 0;
camera.position.z = 1000;
scene = new THREE.Scene();
const geometry = new THREE.BoxBufferGeometry();
const material = new THREE.MeshNormalMaterial({ transparent: true });
if(isMobile) { // 모바일이면
var controls = new THREE.DeviceOrientationControls(camera);
} else {
console.log('isMobile false');
}
group = new THREE.Group();
for ( let i = 0; i < 800; i ++ ) {
let sprite = new THREE.TextSprite({
textSize: 2,
redrawInterval: 1,
texture: {
text: 'TEST',
fontFamily: 'Arial, Helvetica, sans-serif',
},
material: {
color: 'white',
},
});
sprite.position.x = Math.random() * 180-100;
sprite.position.y = Math.random() * 180-100;
sprite.position.z = Math.random() * 1000-40;
group.add(sprite);
}
scene.add(group);
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
// Event handler
document.addEventListener('mousemove', onMouseMove, false);
document.addEventListener('mousedown', onMouseDown, false);
document.addEventListener('mouseup', onMouseUp, false);
document.addEventListener('contextmenu', onContextMenu, false);
window.addEventListener('resize', onResize, false);
// Helper
var axesHelper = new THREE.AxesHelper( 15 );
scene.add( axesHelper );
animate = () => {
// For camera follow mouse cursor
target.x = ( 1 - mouse.x ) * 0.002;
target.y = ( 1 - mouse.y ) * 0.002;
camera.rotation.x += 0.05 * ( target.y - camera.rotation.x );
camera.rotation.y += 0.05 * ( target.x - camera.rotation.y );
if(isMobile) {
controls.update();
}
switch(hold) {
case 1:
if(camera.position.z > 0) {
camera.position.z -= 4;
}
break;
case 3:
camera.position.z += 4;
break;
}
// Object opacity related to distance between camera and object
for (i = 0; i < 800; i++) {
var distance = camera.position.distanceTo(group.children[i].position);
var opacity = -1 / 400 * distance + 1;
if (opacity < 0) {
opacity = 0;
}
group.children[i].material.opacity = opacity;
}
requestAnimationFrame( animate );
renderer.render( scene, camera );
}
// Run
animate();
}
// Run
init();
//定义变量
var myElement=document.getElementById(“threejs”);
让相机、场景、渲染器;
const mouse=new THREE.Vector2();
clicked=new THREE.Vector2();
const target=new THREE.Vector2();
const windowHalf=new THREE.Vector2(window.innerWidth/2,window.innerHeight/2);
const moveState={forward:0,back:0};
var isMobile=false;
var hold=-1;
/******定义函数******/
/*****************************/
checkMobile=()=>{
var UserAgent=navigator.UserAgent;
如果(UserAgent.match(/iPhone | iPod | Android | Windows CE | BlackBerry | Symbian | Windows Phone | webOS | Opera Mini | Opera Mobi | POLARIS | IEMobile | lgtelecom | nokia | SonyEricsson/i)!=null | UserAgent.match(/LG |三星|三星/)!=null){
isMobile=true;
}否则{
isMobile=false;
}
}
checkMobile();
//收缩变焦
var hammer=新锤子(myElement);
hammer.get('pinch').set({enable:true});
锤击打开(“挤压”,功能(事件){
event.preventDefault();
如果(parseInt(event.scale)>0){//放大/缩小检查
摄像机位置z-=4;
}否则{
摄像机位置z+=4.5;
}
});
onMouseMove=(事件)=>{
mouse.x=((event.clientX/2)-(windowHalf.x/2));
mouse.y=((event.clientY/2)-(windowHalf.y/2));
单击.x=(event.clientX/window.innerWidth)*2-1;
单击.y=-(event.clientY/window.innerHeight)*2+1;
}
onResize=(事件)=>{
常量宽度=window.innerWidth;
const height=window.innerHeight;
窗半。设置(宽度/2,高度/2);
camera.aspect=宽度/高度;
camera.updateProjectMatrix();
设置大小(宽度、高度);
}
onContextMenu=(事件)=>{
event.preventDefault();
}
onMouseDown=(事件)=>{
hold=事件。哪个;
}
onMouseUp=()=>{
保持=-1;
};
//开始脚本
初始化=()=>{
摄像头=新的三个透视摄像头(45,window.innerWidth/window.innerHeight,15000);
摄像机位置x=0;
摄像机位置y=0;
摄像机位置z=1000;
场景=新的三个。场景();
const geometry=new THREE.BoxBufferGeometry();
const material=new THREE.MeshNormalMaterial({transparent:true});
if(isMobile){//모바일이면
var控制=新的三个设备方向控制(摄像头);
}否则{
log('isMobile false');
}
组=新的三个。组();
对于(设i=0;i<800;i++){
设sprite=new THREE.TextSprite({
文本大小:2,
重绘间隔:1,
纹理:{
文本:“测试”,
fontFamily:“Arial,Helvetica,无衬线”,
},
材料:{
颜色:'白色',
},
});
sprite.position.x=Math.random()*180-100;
sprite.position.y=Math.random()*180-100;
sprite.position.z=Math.random()*1000-40;
添加(雪碧);
}
场景。添加(组);
renderer=new THREE.WebGLRenderer({antialas:true});
renderer.setSize(window.innerWidth、window.innerHeight);
document.body.appendChild(renderer.doElement);
//事件处理程序
document.addEventListener('mousemove',onMouseMove,false);
document.addEventListener('mousedown',onMouseDown,false);
document.addEventListener('mouseup',onMouseUp,false);
document.addEventListener('contextmenu',onContextMenu,false);
addEventListener('resize',onResize,false);
//助手
var axesHelper=新的三个axesHelper(15);
场景。添加(AxeHelper);
动画=()=>{
//对于摄影机,请跟随鼠标光标
target.x=(1-mouse.x)*0.002;
target.y=(1-mouse.y)*0.002;
camera.rotation.x+=0.05*(target.y-camera.rotation.x);
camera.rotation.y+=0.05*(target.x-camera.rotation.y);
if(isMobile){
控件更新();
}
开关(保持){
案例1:
如果(摄影机位置z>0){
摄像机位置z-=4;
}
打破
案例3:
摄像机位置z+=4;
打破
}
//与摄影机和对象之间的距离相关的对象不透明度
对于(i=0;i<800;i++){
var distance=camera.position.distanceTo(group.children[i].position);
变量不透明度=-1/400*距离+1;
如果(不透明度<0){
不透明度=0;
}
group.children[i].material.opacity=opacity;
}
请求动画帧(动画);
渲染器。渲染(场景、摄影机);
}
//跑
制作动画();
}
//跑
init();
只是一个简单的网站。我在html中定义了背景,以便将背景颜色更改为渐变色
但它不起作用
有什么解决办法吗
谢谢。三张画布是否完全覆盖了背景?试一试
renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
三张画布是否完全覆盖了背景?试一试
renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );