![]()
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>一個可以開門的機櫃</title>
<style>
*{
margin:0;
padding:0;
text-decoration: none;
box-sizing: border-box;
}
ul,li{
list-style: none;
border:none;
}
.clear:after{
content:"";
display:block;
clear:both;
}
body{
overflow: hidden;
}
</style>
<!-- <script src="js/jquery-3.2.1.min.js"></script>-->
<!-- 引入3D庫-->
<script src="js/three.js"></script>
<!-- 引入控制器-->
<script src="js/OrbitControls_alter.js"></script>
<!-- 引入動畫庫-->
<script src="js/tween.min.js"></script>
</head>
<body>
<script>
// 完整的可以去這裏下載 https://github.com/zouhaodong/Cabinet_three.js
//添加場景
var scene = new THREE.Scene();
//添加座標軸
scene.add(axes = new THREE.AxisHelper(100));
//配置相機
var camera;
function initCamera(){
camera = new THREE.PerspectiveCamera(45,window.innerWidth/window.innerHeight,0.1,2000);
camera.position.set(0,150,300);
// camera.lookAt({
// x : 0,
// y : 1000,
// z : 0
// });
}
initCamera();
//配置光源
var dircLight;
function initLight(){
dircLight = new THREE.DirectionalLight(0xffffff);
dircLight.position.set(300,400,200);
scene.add(dircLight);
scene.add(new THREE.AmbientLight(0x444444));
}
initLight();
//設置渲染器
var renderer;
function initRenderer(){
renderer = new THREE.WebGLRenderer({
antialias:true//抗鋸齒:true
});
renderer.setSize(window.innerWidth,window.innerHeight);//畫布尺寸
renderer.setClearColor('#39609B');//背景色
document.body.appendChild(renderer.domElement);
}
initRenderer();
//設置貼圖
var floorTexture;//地板貼圖
function initTexture(){
floorTexture = THREE.ImageUtils.loadTexture('img/floor.jpg', render);
floorTexture.wrapS = floorTexture.wrapT = THREE.RepeatWrapping;//兩個方向都重複
floorTexture.repeat.set(14,10);//兩個方向上的重複數
}
initTexture();
//floor
var floor;
function initFloor(){
var geometry = new THREE.BoxGeometry(400,2,300);
var material = new THREE.MeshLambertMaterial({
color:0xffffff,
map:floorTexture
});
floor = new THREE.Mesh(geometry,material);
floor.position.set(0,-1,0);
scene.add(floor);
}
initFloor();
//畫機櫃上的編號貼圖
function canvasTxture(str){
var canvas = document.createElement("canvas");
canvas.width = 50;
canvas.height = 40;
var ctx = canvas.getContext("2d");
var g = ctx.createLinearGradient(0,0,50,40);
g.addColorStop(0,"#777");
g.addColorStop(1,"#777");
ctx.fillStyle = g;
ctx.fillRect(0,0,50,40);
ctx.textBaseline='top';
ctx.font="20px SimHei";
ctx.fillStyle = "#00ffff";//編號顏色
var txtWidth = ctx.measureText(str).width;
ctx.fillText(str ,50/2-txtWidth/2,40/2-20/2);
var texture = new THREE.Texture(canvas);
texture.needsUpdate = true;
return texture;
}
//機櫃
//構造機櫃:參數x座標,z座標,機櫃號
function Cabient(x,z,cabNmb){
this.x=x;
this.z=z;
this.y=0;
this.number = cabNmb;
var dk = 30;//底寬
var dc = 40;//底長
//設置機箱的外殼
var texture1 = THREE.ImageUtils.loadTexture('img/rack_panel.jpg', {}, render);//機箱外表貼圖
var texture3 = THREE.ImageUtils.loadTexture('img/cabz.jpg', {}, render);//cabz
var texture2 = THREE.ImageUtils.loadTexture('img/caby.jpg', {}, render);//caby
var cabGroup = new THREE.Group();
//cabGroup的平面中心是機櫃主體的平面中心
cabGroup.position.set(this.x,this.y,this.z);
cabGroup.name = 'cabGroup';
var cabMatLambert = new THREE.MeshLambertMaterial({//設置朗伯材質和貼圖
color:0x8E8E8E,
map:texture1
});
var cabMatBasic = new THREE.MeshBasicMaterial({//設置基礎材質和貼圖
color:0x8E8E8E,
map:texture1
});
var cabdGeo = new THREE.BoxGeometry(dk,2,dc);//箱主體底寬30，高2，長40
var cabd = new THREE.Mesh(cabdGeo,cabMatBasic);
cabd.position.set(0,1,0);
var cabzGeo = new THREE.BoxGeometry(2,88,dc);//箱左側，厚2，高88，長40
var cabzMaterials = [];
cabzMaterials.push(//push順序：X軸正、反，Y軸正、反，Z軸正、反
cabMatLambert,
cabMatLambert,
cabMatLambert,
cabMatLambert,
new THREE.MeshBasicMaterial({
color:0xBEBEBE,
map:texture2
}),
cabMatBasic
);
var cabzMat = new THREE.MeshFaceMaterial(cabzMaterials);
var cabz = new THREE.Mesh(cabzGeo,cabzMat);
cabz.position.set(dk/2-1,46,0);
var cabyGeo = new THREE.BoxGeometry(2,88,dc);//箱左側，厚2，高88，長40
var cabyMaterials = [];
cabyMaterials.push(
cabMatLambert,
cabMatBasic,
cabMatLambert,
cabMatLambert,
new THREE.MeshBasicMaterial({
color:0xBEBEBE,
map:texture3
}),
cabMatBasic
);
var cabyMat = new THREE.MeshFaceMaterial(cabyMaterials);
var caby = new THREE.Mesh(cabyGeo,cabyMat);
caby.position.set(-dk/2+1,46,0);
var cabhGeo = new THREE.BoxGeometry(dk-4,88,2);//後板寬26，高88，厚2
var cabh = new THREE.Mesh(cabhGeo,cabMatBasic);
cabh.position.set(0,46,0-dc/2+1);
var cabsGeo = new THREE.BoxGeometry(dk,2,dc);
var cabsMaterials = [];
cabsMaterials.push(
cabMatBasic,
cabMatBasic,
new THREE.MeshLambertMaterial({
color:0x8E8E8E,
map:canvasTxture(this.number)//canvas貼圖
}),
cabMatLambert,
cabMatLambert,
cabMatLambert
);
var cabsMat = new THREE.MeshFaceMaterial(cabsMaterials);
var cabs = new THREE.Mesh(cabsGeo,cabsMat);
cabs.position.set(0,91,0);
cabs.name = 'cabs';
cabGroup.add(cabd,cabz,caby,cabh,cabs);//cabGroup不包括機箱門
//設置機箱門
var menGroup = new THREE.Group();
menGroup.position.set(this.x+15,this.y,this.z+20);
menGroup.name = this.number;//機箱門的名字爲輸入的編號
var menGeo = new THREE.BoxGeometry(dk,92,1);//機箱們寬，高，厚
var mMaterials = [];
mMaterials.push(
new THREE.MeshLambertMaterial({color:0x999999}),
new THREE.MeshLambertMaterial({color:0x999999}),
new THREE.MeshLambertMaterial({color:0x999999}),
new THREE.MeshLambertMaterial({color:0x999999}),
new THREE.MeshLambertMaterial({
map:THREE.ImageUtils.loadTexture(
'img/rack_front_door.jpg',
{},
render
),
overdraw:true
}),
new THREE.MeshBasicMaterial({
map:THREE.ImageUtils.loadTexture(
'img/rack_door_back.jpg',
{},
render
),
overdraw:true
})
);
var menMat = new THREE.MeshFaceMaterial(mMaterials);
var men = new THREE.Mesh(menGeo,menMat);
men.name='men';
men.position.set(-dk/2,46,.5);
menGroup.add(men);
scene.add(cabGroup,menGroup);
}
var cab1= new Cabient(50,50,'1A01');
// 可以繼續添加機櫃
// var cab2 = new Cabient(-100,100,'1A02');
// var cab3 = new Cabient(-100,-100,'1B01');
//構造服務器。參數：所屬機櫃（如cab1）,高度座標
function Server(obj,h){
this.x = obj.x;
this.z = obj.z;
this.y = 0;
this.h = h;
var serv2Group = new THREE.Group();
serv2Group.position.set(this.x ,this.y,this.z);
//兩層的服務器
var servTexture = THREE.ImageUtils.loadTexture('img/rack_inside.jpg', {}, render);
var serv2Geo = new THREE.BoxGeometry(24,3.5,36);//這裏服務器的尺寸要跟機箱尺寸對應好
var servMat = new THREE.MeshBasicMaterial({
color:0x9AC0CD,
map:servTexture
});
var server2 = new THREE.Mesh(serv2Geo,servMat);//服務器主體
server2.position.set(0,this.h,2);
var server2mGeo = new THREE.BoxGeometry(26.4,4,0.2);//服務器面板尺寸
var smb2Materials = [];
smb2Materials.push(
new THREE.MeshBasicMaterial({color:0xffffff}),
new THREE.MeshBasicMaterial({color:0xffffff}),
new THREE.MeshBasicMaterial({color:0xffffff}),
new THREE.MeshBasicMaterial({color:0xffffff}),
new THREE.MeshBasicMaterial({
map:THREE.ImageUtils.loadTexture(
'img/server2.jpg',
{},
render
),
overdraw:true
}),
new THREE.MeshBasicMaterial({color:0xffffff})
);
var server2mMat = new THREE.MeshFaceMaterial(smb2Materials);//服務器面板材質
var server2face = new THREE.Mesh(server2mGeo,server2mMat );
server2face.name= 'ctr2';
server2face.position.set(0,this.h,36/2+0.2/2+2);
serv2Group.add(server2,server2face);
scene.add(serv2Group);
}
// 往機櫃里加個服務器
var server1 = new Server(cab1,50);// 突然發現高度好像沒對應好，懶，不想算了
// 往機櫃里加個構造交換機
function Switchboard(obj,h){
this.x = obj.x;
this.z = obj.z;
this.h = h;
var switchGroup = new THREE.Group();
switchGroup.position.set(this.x ,0,this.z);
var switchTexture = THREE.ImageUtils.loadTexture('img/rack_inside.jpg', {}, render);
var switchGeo = new THREE.BoxGeometry(24,11.5,36);//交換機主體尺寸，寬厚長，要跟機箱對應
var switchMat = new THREE.MeshBasicMaterial({
color:0x9AC0CD,
map:switchTexture
});
var switchBody = new THREE.Mesh(switchGeo,switchMat);
switchBody.position.set(0,this.h,2);
var switchmGeo = new THREE.BoxGeometry(26.4,12,0.2);//交換機面板尺寸
var switchmMat = new THREE.MeshBasicMaterial({//交換機面板材質
color:0xffffff
});
var switchfMaterials = [];
switchfMaterials.push(
switchmMat,
switchmMat,
switchmMat,
switchmMat,
new THREE.MeshBasicMaterial({
map:THREE.ImageUtils.loadTexture(
'img/switchboard.jpg',
{},
render
),
overdraw:true
}),
switchmMat
);
var switchfMat = new THREE.MeshFaceMaterial(switchfMaterials);//交換機面板材質
var switchface = new THREE.Mesh(switchmGeo,switchfMat);
switchface.position.set(0,this.h,36/2+0.2/2+2);
switchGroup.add(switchBody,switchface);
scene.add(switchGroup);
}
var switchboard11 = new Switchboard(cab1,30);
document.addEventListener('dblclick', onDocumentMouseDown, false);
function onDocumentMouseDown(event) {
event.preventDefault();
//1、先基於我們在屏幕上點擊的位置創建一個向量
var vector = new THREE.Vector3(
(event.clientX / window.innerWidth ) * 2 - 1,
-( event.clientY / window.innerHeight ) * 2 + 1,
0.5
);
//2、然後用unproject函數將點擊位置轉換成Thres.js場景中的座標
vector = vector.unproject(camera);
//3、用THREE.Raycaster對象向點擊位置發射光線
var raycaster = new THREE.Raycaster(camera.position, vector.sub(camera.position).normalize());
//4、計算射線相機到的對象，可能有多個對象，因此返回的是一個數組，按離相機遠近排列
//將射線投影到屏幕，如果scene.children裏的某個或多個形狀相交，則返回這些形狀
//第二個參數是設置是否遞歸，默認是false，也就是不遞歸。當scene裏面添加了Group對象的實例時，就需要設置這個參數爲true
//第一個參數不傳scene.children也可以，傳一個group.children或一個形狀數組都可以（這樣可以實現一些特別的效果如點擊內部的效果）
//另外，因爲返回的是一個數組，所以遍歷數組就可以獲得所有相交的對象，當元素重疊時，特別有用
var intersects = raycaster.intersectObjects(scene.children,true);
var currObj = intersects[0].object;//currObj爲點擊到的第一個對象
//如果這個對象是門
//如果門是關閉的
//那麼打開，並且移動攝像機位置
//如果門是打開的
//那麼關閉
if(currObj.name=='men'){
// console.log(currObj.parent.name);//currObj.parent是menGroup
var p1=new THREE.Vector3(currObj.parent.position);//
var number = currObj.parent.name;
if(currObj.parent.rotation.y == 0){
new TWEEN.Tween( currObj.parent.rotation ).to({
y: .6*Math.PI
}, 1500 ).easing( TWEEN.Easing.Elastic.Out).start();
// console.log(currObj.parent.position);
controls.target=new THREE.Vector3(
currObj.parent.position.x,
currObj.parent.position.y+50,
currObj.parent.position.z
);
//移動相機的位置(有動畫)，但是有個問題還不知怎麼解決
// new TWEEN.Tween( camera.position ).to({
// x:currObj.parent.position.x-15,
// y:currObj.parent.position.y+100,
// z:currObj.parent.position.z+130
// }, 500 ).start();
camera.position.set(
currObj.parent.position.x+15,
currObj.parent.position.y+100,
currObj.parent.position.z+130
);
}else{
new TWEEN.Tween( currObj.parent.rotation ).to({
y: 0
}, 300 ).start();
}
controls.update();
}
if(currObj.name=='ctr2'){
console.log(currObj.parent.position.z);
var p1=new THREE.Vector3(currObj.parent.position);//
if(currObj.parent.position.z == 50){
new TWEEN.Tween( currObj.parent.position ).to({
z:currObj.parent.position.z+20
}, 500 ).easing( TWEEN.Easing.Elastic.Out).start();
// console.log(currObj.parent.position);
}else{
new TWEEN.Tween( currObj.parent.position ).to({
z:currObj.parent.position.z-20
}, 500 ).easing( TWEEN.Easing.Elastic.Out).start();
}
controls.update();
}
render();
}
//視角控制器
var controls;
function ctr(){
controls = new THREE.OrbitControls(camera);
controls.addEventListener('change',render);
//相機到原點的最遠距離
controls.maxDistance = 2000;
}
ctr();
function render(){
TWEEN.update();
renderer.render(scene,camera);
}
render();
function animate() {
requestAnimationFrame(animate);
render();
}
animate();
function onResize() {
// aspect表示屏幕長寬比
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
// 瀏覽器變化時畫布自適應
window.addEventListener('resize', onResize, false);
</script>
</body>
</html>
