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yztxlBridge.html
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<!doctype html>
<html lang="en">
<head>
<title>Bridge</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<!-- <link rel=stylesheet href="css/base.css"/> -->
<style>
* {
padding: 0px;
margin: 0px;
}
#container {
background-color: #ffffff;
z-index: 1;
position: absolute;
left: 0px;
top: 0px
}
</style>
</head>
<body>
<script src="three.js"></script>
<script src="js/Detector.js"></script>
<script src="js/Stats.js"></script>
<script src="js/OrbitControls.js"></script>
<script src="js/THREEx.KeyboardState.js"></script>
<script src="js/THREEx.FullScreen.js"></script>
<script src="js/THREEx.WindowResize.js"></script>
<!-- jQuery code to display an information button and box when clicked. -->
<script src="js/jquery-1.9.1.js"></script>
<script src="js/jquery-ui.js"></script>
<link rel=stylesheet href="css/jquery-ui.css"/>
<link rel=stylesheet href="css/info.css"/>
<script src="js/info.js"></script>
<!-- ------------------------------------------------------------ -->
<div id="container"></div>
<script>
/**
* three.js开发的五个步骤：
* 1、设置three.js渲染器
* 2、设置摄像机camera
* 3、设置场景scene
* 4、设置光源light
* 5、设置物体object
*/
//////////
// MAIN //
//////////
// standard global variables
var container, scene, camera, renderer, controls, stats;
var keyboard = new THREEx.KeyboardState();
var clock = new THREE.Clock();
// custom global variables
var cube;
// initialization
init();
// animation loop / game loop
animate();
///////////////
// FUNCTIONS //
///////////////
function init() {
///////////
// SCENE //
///////////
scene = new THREE.Scene();
//scene.background = new THREE.Color(0xffffff);
////////////
// CAMERA //
////////////
/**
* Scene(场景)、Camera(相机)、Renderer(渲染器)
*/
// set the view size in pixels (custom or according to window size)
// var SCREEN_WIDTH = 400, SCREEN_HEIGHT = 300;
var SCREEN_WIDTH = window.innerWidth, SCREEN_HEIGHT = window.innerHeight;
// camera attributes
var VIEW_ANGLE = 90, ASPECT = SCREEN_WIDTH / SCREEN_HEIGHT, NEAR = 0.1, FAR = 20000;
// set up camera
camera = new THREE.PerspectiveCamera(VIEW_ANGLE, ASPECT, NEAR, FAR);
// add the camera to the scene
scene.add(camera);
// the camera defaults to position (0,0,0)
// so pull it back (z = 400) and up (y = 100) and set the angle towards the scene origin
camera.position.set(-100, 100, 400);
camera.lookAt(scene.position);
//////////////
// RENDERER //
//////////////
// create and start the renderer; choose antialias setting.
if (Detector.webgl)
//设置为圆滑过渡，并且是透明的
renderer = new THREE.WebGLRenderer({antialias: true, alpha: true});
else
renderer = new THREE.CanvasRenderer();
renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
// attach div element to variable to contain the renderer
container = document.getElementById('container');
// alternatively: to create the div at runtime, use:
// container = document.createElement( 'div' );
// document.body.appendChild( container );
// attach renderer to the container div
container.appendChild(renderer.domElement);
////////////
// EVENTS //
////////////
// automatically resize renderer
THREEx.WindowResize(renderer, camera);
// toggle full-screen on given key press
THREEx.FullScreen.bindKey({charCode: 'm'.charCodeAt(0)});
//////////////
// CONTROLS可以来控制鼠标移动以及放大缩小
//////////////
// move mouse and: left click to rotate,
// middle click to zoom,
// right click to pan
controls = new THREE.OrbitControls(camera, renderer.domElement);
///////////
// LIGHT //
///////////
// create a light
/* var light = new THREE.AmbientLight(0xffffff);
light.position.set(0, 500, 0);
scene.add(light);*/
//var ambientLight = new THREE.AmbientLight(0x111111);
// scene.add(ambientLight);
drawBridgeWidgets(3,10, 6, 3,3,0);
//添加坐标轴
var axes = new THREE.AxisHelper(1000);
scene.add(axes);
}
function animate() {
requestAnimationFrame(animate);
render();
update();
}
function update() {
// delta = change in time since last call (in seconds)
var delta = clock.getDelta();
// functionality provided by THREEx.KeyboardState.js
if (keyboard.pressed("1"))
document.getElementById('message').innerHTML = ' Have a nice day! - 1';
if (keyboard.pressed("2"))
document.getElementById('message').innerHTML = ' Have a nice day! - 2 ';
controls.update();
//stats.update();
}
function render() {
renderer.render(scene, camera);
}
/**
* 设置一个桥梁部件的函数
* @param pNum: 桥梁的排数
* @param ksNum：桥梁的跨数
* @param zzNum: 每排支座数量
* @param txNum: 每跨T形梁数量
* @param hgbNum: 每跨横隔板数量
* @param isExistHxl:是否存在横系梁 1表示存在，0表示不存在
*/
function drawBridgeWidgets(pNum,ksNum, zzNum, txNum,hgbNum,isExistHxl) {
//全局的长度
var LENGTH = 120;
//设置主梁的长宽高
var CUBEX = 180, CUBEY = LENGTH, CUBEZ = 20;
//侧墙的长宽高
var CQX = 10, CQY = LENGTH, CQZ = 25;
//设置墩柱的长宽高
var TOPCYLINDERRADIUS = 10, BOTTOMCYLINDERRADIUS = 10, HEIGHT = 120;
//设置盖梁的长宽高
var GLX = CUBEX, GLY = TOPCYLINDERRADIUS * 2, GLZ = 10;
//设置桥头桥尾包边的长宽高
var QTQWX = 10, QTQWY = GLY, QTQWZ = GLZ + CUBEZ;
//支座的长宽高
var TOPZZRADIUS = 10, BOTTOMZZRADIUS = 10, ZZHEIGHT = 3;
//T形梁的长宽高
var TXX = 5, TXY = LENGTH, TXHEIGHT = 10;
//横隔板的长宽高
var HGBX = CUBEX, HGBY = 5, HGBHEIGHT = 5;
if (TOPZZRADIUS * 2 * zzNum > LENGTH) {
TOPZZRADIUS /= 2;
BOTTOMZZRADIUS /= 2;
}
//设置横系梁的长宽高
var HXLX = LENGTH, HXLY = 15, HXLZ = 15;
// var OFFSET = LENGTH * ksNum / 2;
for (var m = 0; m < pNum; m++) {
var OFFSET = 0;
//桥墩的初始位置
var initCylinderX = 0+m*CUBEX, initCylinderY = -OFFSET, initCylinderZ = 0;
//顶板的初始位置
var initCubeX = LENGTH / 2+m*CUBEX, initCubeY = LENGTH / 2 - OFFSET, initCubeZ = HEIGHT / 2 + CUBEZ / 2 + GLZ + ZZHEIGHT + TXHEIGHT;
//侧墙的初始位置
var initCqX = -((CUBEX - LENGTH) / 2 - CQX / 2)+m*CUBEX, initCqY = LENGTH / 2 - OFFSET, initCqZ = HEIGHT / 2 + CUBEZ + CQZ / 2 + GLZ + ZZHEIGHT;
//盖梁的初始位置
var initGlX = LENGTH / 2+m*CUBEX, initGlY = -OFFSET, initGlZ = HEIGHT / 2 + GLZ / 2;
//桥头桥尾的初始位置
var initQtqwX = -((CUBEX - LENGTH) / 2 + QTQWX / 2)+m*CUBEX, initQtqwY = -OFFSET, initQtqwZ = HEIGHT / 2 + (CUBEZ + GLZ) / 2;
//右侧墙跟左侧墙的X轴的坐标不一样
var initRightCqX = LENGTH + ((CUBEX - LENGTH) / 2 - CQX / 2)+m*CUBEX;
//右桥头的X轴不一样
var initRightQtqwX = LENGTH + ((CUBEX - LENGTH) / 2 + QTQWX / 2)+m*CUBEX;
//支座的坐标
var initZzX = 0+m*CUBEX, initZzY = -OFFSET, initZzZ = HEIGHT / 2 + GLZ + ZZHEIGHT / 2;
//每个支座X轴方向上的间隔距离
var zzXOffset = LENGTH / (zzNum - 1);
//设置横系梁的坐标
var initHxlX = LENGTH / 2+m*CUBEX, initHxlY = -OFFSET, initHxlZ = 0;
//设置T型梁的位置
var initTxX = initCqX, initTxY = TXY / 2, initTxZ = HEIGHT / 2 + TXHEIGHT / 2 + GLZ + ZZHEIGHT;
var copy_initTxX = initTxX;
var txXOffset = (180 - TXX * txNum) / (txNum - 1);
//设置横隔板的位置
var initHgbX = LENGTH / 2+m*CUBEX, initHgbY = HGBY / 2, initHgbZ = HEIGHT / 2 + HGBHEIGHT / 2 + GLZ + ZZHEIGHT + TXHEIGHT / 2;
var copy_initHgbY = initHgbY;
var hgbYOffset = (120 - HGBY * hgbNum) / (hgbNum - 1);
//设置主梁的颜色
var cubeMaterialArray = [];
// order to add materials: x+,x-,y+,y-,z+,z-
cubeMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x676563}));//左右
cubeMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x676563}));
cubeMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x092026}));//上下
cubeMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x092026}));
cubeMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x817F7D}));//前后
cubeMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x817F7D}));
//设置横系梁
var hxlMaterialArray = [];
// order to add materials: x+,x-,y+,y-,z+,z-
hxlMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x676563}));//左右
hxlMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x676563}));
hxlMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x363533}));//上下
hxlMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x363533}));
hxlMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x292827}));//前后
hxlMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x292827}));
var hxlMaterials = new THREE.MeshFaceMaterial(hxlMaterialArray);
//设置侧墙的各部分的颜色
var cqMaterialArray = [];
// order to add materials: x+,x-,y+,y-,z+,z-
cqMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x4B4A48}));//左右
cqMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x4B4A48}));
cqMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x041013}));//上下
cqMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x041013}));
cqMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x797775}));//前后
cqMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x797775}));
//设置侧墙的各部分的颜色
var glMaterialArray = [];
// order to add materials: x+,x-,y+,y-,z+,z-
glMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x4B4A48}));//左右
glMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x4B4A48}));
glMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x041013}));//上下
glMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x041013}));
glMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x797775}));
glMaterialArray.push(new THREE.MeshBasicMaterial({color: 0x797775}));//前后
//桥墩颜色装饰器
var cylinderMaterial = new THREE.MeshLambertMaterial({color: 0x33ff33});
//支座的颜色装饰器
var zzMaterial = new THREE.MeshBasicMaterial({color: 0x3B0008});
/**
* 添加墩柱和盖梁
*
*/
var firstCylinderY = 0;
var firstGlY = 0;
var firstQtqwY = 0;
var firstZzY = 0;
var firstHxlY = 0;
for (var i = 0; i < ksNum + 1; i++) {
//第一个和最后圆柱对应的Y轴坐标一个要往里面收一点，一个要往外放一点。这样才不会让第一个和最后一个的圆柱往外露
if (0 == i || ksNum == i) {
if (0 == i) {
//第一个墩柱要让板梁整个包住墩柱，对应的盖梁也需要让板梁将盖梁包住
firstCylinderY = initCylinderY + TOPCYLINDERRADIUS;
firstGlY = initGlY + TOPCYLINDERRADIUS;
firstQtqwY = initQtqwY + TOPCYLINDERRADIUS;
firstZzY = initZzY + TOPCYLINDERRADIUS;
firstHxlY = initHxlY + TOPCYLINDERRADIUS;
} else if (ksNum == i) {
//最后一个墩柱，也需要板梁将整个墩柱包住，所以需要将墩柱的原点往里面缩一点
firstCylinderY = initCylinderY - TOPCYLINDERRADIUS;
firstGlY = initGlY - TOPCYLINDERRADIUS;
firstQtqwY = initQtqwY - TOPCYLINDERRADIUS;
firstZzY = initZzY - TOPCYLINDERRADIUS;
firstHxlY = initHxlY - TOPCYLINDERRADIUS;
}
//两个墩柱
var cylinderGeometry = new THREE.CylinderGeometry(TOPCYLINDERRADIUS, BOTTOMCYLINDERRADIUS, HEIGHT, 20, 4);
var cylinder = new THREE.Mesh(cylinderGeometry, cylinderMaterial);
cylinder.position.set(initCylinderX, initCylinderZ, firstCylinderY);
scene.add(cylinder);
var cylinderGeometry = new THREE.CylinderGeometry(TOPCYLINDERRADIUS, BOTTOMCYLINDERRADIUS, HEIGHT, 20, 4);
var cylinder = new THREE.Mesh(cylinderGeometry, cylinderMaterial);
cylinder.position.set(initCylinderX + LENGTH, initCylinderZ, firstCylinderY);
scene.add(cylinder);
//桥头跟桥尾需要包边
//添加一个盖梁
var cubeMaterials = new THREE.MeshFaceMaterial(cqMaterialArray);
var cubeGeometry = new THREE.CubeGeometry(GLX, GLZ, GLY, 1, 1, 1);
cube = new THREE.Mesh(cubeGeometry, cubeMaterials);
cube.position.set(initGlX, initGlZ, firstGlY);
scene.add(cube);
//左桥头
var cubeMaterials = new THREE.MeshFaceMaterial(cqMaterialArray);
var cubeGeometry = new THREE.CubeGeometry(QTQWX, QTQWZ, QTQWY, 1, 1, 1);
cube = new THREE.Mesh(cubeGeometry, cubeMaterials);
cube.position.set(initQtqwX, initQtqwZ, firstQtqwY);
scene.add(cube);
//右桥头
var cubeMaterials = new THREE.MeshFaceMaterial(cqMaterialArray);
var cubeGeometry = new THREE.CubeGeometry(QTQWX, QTQWZ, QTQWY, 1, 1, 1);
cube = new THREE.Mesh(cubeGeometry, cubeMaterials);
cube.position.set(initRightQtqwX, initQtqwZ, firstQtqwY);
scene.add(cube);
//根据传过来的支座数量设置每排的支座数量
for (var k = 0; k < zzNum; k++) {
var zzGeometry = new THREE.CylinderGeometry(TOPZZRADIUS, BOTTOMZZRADIUS, ZZHEIGHT, 20, 4);
cube = new THREE.Mesh(zzGeometry, zzMaterial);
cube.position.set(initZzX, initZzZ, firstZzY);
scene.add(cube);
initZzX += zzXOffset;
}
//每画完一排的支座数量之后，将支座原始的X坐标置为0
initZzX = m*CUBEX;
/*//第二个支座
var zzGeometry = new THREE.CylinderGeometry(TOPZZRADIUS, BOTTOMZZRADIUS, ZZHEIGHT, 20, 4);
cube = new THREE.Mesh( zzGeometry, zzMaterial );
cube.position.set(initZzX + LENGTH,initZzZ,firstZzY);
scene.add(cube);*/
if(isExistHxl){
//横系梁
var cubeGeometry = new THREE.CubeGeometry(HXLX, HXLZ, HXLY, 1, 1, 1);
cube = new THREE
.Mesh(cubeGeometry, hxlMaterials);
cube.position.set(initHxlX, initHxlZ, firstHxlY);
scene.add(cube);
}
} else {
//添加两个墩柱
var cylinderGeometry = new THREE.CylinderGeometry(TOPCYLINDERRADIUS, BOTTOMCYLINDERRADIUS, HEIGHT, 20, 4);
//var cylinderMaterial = new THREE.MeshLambertMaterial( {color: 0x33ff33});
var cylinder = new THREE.Mesh(cylinderGeometry, cylinderMaterial);
cylinder.position.set(initCylinderX, initCylinderZ, initCylinderY);
scene.add(cylinder);
var cylinderGeometry = new THREE.CylinderGeometry(TOPCYLINDERRADIUS, BOTTOMCYLINDERRADIUS, HEIGHT, 20, 4);
//var cylinderMaterial = new THREE.MeshLambertMaterial( {color: 0x53ff33});
var cylinder = new THREE.Mesh(cylinderGeometry, cylinderMaterial);
cylinder.position.set(initCylinderX + LENGTH, initCylinderZ, initCylinderY);
scene.add(cylinder);
//添加一个盖梁
var cubeMaterials = new THREE.MeshFaceMaterial(cqMaterialArray);
var cubeGeometry = new THREE.CubeGeometry(GLX, GLZ, GLY, 1, 1, 1);
cube = new THREE.Mesh(cubeGeometry, cubeMaterials);
cube.position.set(initGlX, initGlZ, initGlY);
scene.add(cube);
/*//第一个支座
var zzGeometry = new THREE.CylinderGeometry(TOPZZRADIUS, BOTTOMZZRADIUS, ZZHEIGHT, 20, 4);
cube = new THREE.Mesh( zzGeometry, zzMaterial );
cube.position.set(initZzX,initZzZ,initZzY);
scene.add(cube);
//第二个支座
var zzGeometry = new THREE.CylinderGeometry(TOPZZRADIUS, BOTTOMZZRADIUS, ZZHEIGHT, 20, 4);
cube = new THREE.Mesh( zzGeometry, zzMaterial );
cube.position.set(initZzX + LENGTH,initZzZ,initZzY);
scene.add(cube);*/
//支座数量
for (var k = 0; k <zzNum; k++) {
var zzGeometry = new THREE.CylinderGeometry(TOPZZRADIUS, BOTTOMZZRADIUS, ZZHEIGHT, 20, 4);
cube = new THREE.Mesh(zzGeometry, zzMaterial);
cube.position.set(initZzX, initZzZ, initZzY);
scene.add(cube);
initZzX += zzXOffset;
}
initZzX = m*CUBEX;
if(isExistHxl){
//增加横系梁
var
cubeGeometry = new THREE.CubeGeometry(HXLX, HXLZ, HXLY, 1, 1, 1);
cube = new THREE.Mesh(cubeGeometry, hxlMaterials);
cube.position.set(initHxlX, initHxlZ, initHxlY);
scene.add(cube);
}
}
initGlY +=
LENGTH;
initCylinderY += LENGTH;
initQtqwY += LENGTH;
initZzY += LENGTH;
initHxlY +=
LENGTH;
}
/**
* 添加主梁
*/
for (var i = 0; i < ksNum; i++) {
//增加T形梁
for(var j=0;j<txNum;j++){
var cubeMaterials = new THREE.MeshFaceMaterial(cubeMaterialArray);
var cubeGeometry = new THREE.CubeGeometry(TXX, TXHEIGHT, TXY, 1, 1, 1);
cube = new THREE.Mesh(cubeGeometry, cubeMaterials);
cube.position.set(
initTxX, initTxZ, initTxY);
scene.add(
cube);
initTxX += txXOffset;
initTxX +=TXX/2;
}
//增加横隔板
for(var k=0;k< hgbNum;k++){
var cubeMaterials = new THREE.MeshFaceMaterial(
cubeMaterialArray);
var cubeGeometry = new THREE.CubeGeometry(HGBX, HGBHEIGHT, HGBY, 1, 1, 1);
cube = new THREE.Mesh(
cubeGeometry, cubeMaterials);
cube.position.set(initHgbX, initHgbZ, initHgbY);
scene.add(cube);
initHgbY += hgbYOffset;
initHgbY +=HGBY/2;
}
var cubeMaterials = new THREE.MeshFaceMaterial(cubeMaterialArray);
// Cube parameters: width (x), height (y), depth (z),
// (optional) segments along x, segments along y, segments along z
var cubeGeometry = new THREE.CubeGeometry(CUBEX, CUBEZ, CUBEY, 1, 1, 1);
// using THREE.MeshFaceMaterial() in the constructor below
// causes the mesh to use the materials stored in the geometry
cube = new THREE.Mesh(cubeGeometry, cubeMaterials);
cube.position.set(initCubeX, initCubeZ, initCubeY);
scene.add(cube);
initCubeY += LENGTH;
initTxX=copy_initTxX;
initTxY=initCubeY;
initHgbY=copy_initHgbY+LENGTH;
copy_initHgbY=initHgbY;
}
/**
* 添加两边的侧墙
*/
if(m==0) {
for (var i = 0; i < ksNum; i++) {
//添加一个左侧墙
var cubeMaterials =new THREE.MeshFaceMaterial(cqMaterialArray);
// Cube parameters: width (x), height (y), depth (z),
var
cubeGeometry = new THREE.CubeGeometry(CQX, CQZ, CQY, 1, 1, 1);
// using THREE.MeshFaceMaterial() in the constructor below
// causes the mesh to use the materials stored in the geometry
cube = new THREE.Mesh(cubeGeometry, cubeMaterials);
cube.position.set(initCqX,initCqZ, initCqY);
scene.add(cube);
initCqY += LENGTH;
}
}
if(m==pNum-1) {
for (var i = 0; i < ksNum; i++) {
//添加一个右侧墙
var cubeMaterials = new THREE.MeshFaceMaterial(cqMaterialArray);
var cubeGeometry = new THREE.CubeGeometry(CQX, CQZ, CQY, 1, 1, 1);
cube = new THREE.Mesh(cubeGeometry, cubeMaterials);
cube.position.set(initRightCqX, initCqZ, initCqY);
scene.add(cube);
initCqY += LENGTH;
}
}
}
}
</script>
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