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粮仓3D可视化系统.html
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粮仓3D可视化系统.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>第一个three.js文件_WebGL三维场景</title>
<style>
body {
margin: 0;
overflow: hidden;
background: rgb(1, 3, 28);
}
#tan {
position: absolute;
color: #fff;
z-index: 102;
font-size: 16px;
}
#tan0 {
position: absolute;
color: #fff;
background: rgba(2, 4, 27, 0.8);
padding: 20px;
border-radius: 5px;
border: 1px solid #00aeef;
z-index: 102;
width: 180px;
font-size: 16px;
}
#tan0>div {
padding: 5px;
}
#left {
position: absolute;
z-index: 200;
width: 150px;
background: rgba(255, 255, 255, 1.0);
padding: 15px;
height: 100%;
}
[v-cloak] {
display: none;
}
</style>
<script src="http://www.yanhuangxueyuan.com/threejs/build/three.min.js"></script>
<script src="http://www.yanhuangxueyuan.com/threejs/examples/js/controls/OrbitControls.js"></script>
<script src="http://www.yanhuangxueyuan.com/threejs/examples/js/loaders/OBJLoader.js"></script>
<script src="http://www.yanhuangxueyuan.com/threejs/examples/js/renderers/CSS2DRenderer.js"></script>
<script type="text/javascript"
src="http://www.yanhuangxueyuan.com/threejs/examples/js/postprocessing/EffectComposer.js"></script>
<script type="text/javascript"
src="http://www.yanhuangxueyuan.com/threejs/examples/js/postprocessing/RenderPass.js"></script>
<script type="text/javascript"
src="http://www.yanhuangxueyuan.com/threejs/examples/js/postprocessing/ShaderPass.js"></script>
<script type="text/javascript" src="http://www.yanhuangxueyuan.com/threejs/examples/js/shaders/CopyShader.js">
</script>
<script type="text/javascript"
src="http://www.yanhuangxueyuan.com/threejs/examples/js/postprocessing/OutlinePass.js"></script>
<script src="https://cdn.jsdelivr.net/npm/vue@2.5.16/dist/vue.min.js"></script>
<script src="https://unpkg.com/element-ui/lib/index.js"></script>
<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
<script type="text/javascript" src="http://www.yanhuangxueyuan.com/threejs/examples/js/shaders/FXAAShader.js">
</script>
</head>
<body>
<div
style="z-index:2;text-align:center;font-size: 16px;color:#00ffff;top:4px;position: absolute;width:100%;background: rgba(255, 0, 0, 0.0);">
粮仓3D可视化系统
</div>
<div style="z-index:1;position: absolute;width:100%;">
<img src="./UI图/line2.png" alt="" style="width:100%;height:28px">
</div>
<div id="label" style="visibility:hidden">
<div style="position:relative;">
<div style="position: absolute;top:-50px;left:20px;width:100px;color:#03B5B3;">
</div>
<div style="position: absolute;top:-30px;left:0px;">
<img src="./UI图/弹窗线/青色弹窗.png" alt="">
</div>
</div>
</div>
<div id="label3" style="visibility:hidden">
<div style="position:relative;">
<div style="position: absolute;top:-120px;left:55px;width:100px;color:#ffffff;">
</div>
<div style="position: absolute;top:-100px;left:0px;">
<img src="./UI图/弹窗线/白色弹窗.png" alt="">
</div>
</div>
</div>
<div id="app">
<div style="position: absolute;left: 25px;top: 50px;">
</div>
<div style="position: absolute;left: 50px;top: 65px;z-index:5;line-height:20px;vertical-align:middle">
<el-switch style="margin-top:-3px;" v-model="switchBool" active-color="#00aeef"></el-switch>
<span style="color:#ffffff;font-size:16px">隐藏粮仓</span>
<el-switch style="margin-top:-3px;" v-model="tagBool" active-color="#00aeef"></el-switch>
<span style="color:#ffffff;font-size:16px">显示标签</span>
<br><br>
<el-switch style="margin-top:-3px;" v-model="rainBool" active-color="#00aeef"></el-switch>
<span style="color:#ffffff;font-size:16px">天气可视</span>
<el-switch style="margin-top:-3px;" v-model="clipBool" active-color="#00aeef"></el-switch>
<span style="color:#ffffff;font-size:16px">关闭剖切</span>
</div>
<div v-cloak id="tan" style="width:500px;height:400px;" ref="tan" :style="{left:left + 'px',top:top + 'px'}"
v-show="bool">
<div style="position:relative;">
<div style="position: absolute;left: 0px;top: 0px;">
<img src="./UI图/显示面板/2.png" alt="" style="width:400px;opacity: 1.0;">
</div>
<div style="position:absolute;left:25px;top:40px;font-size:16px">{{ currentMesh.name }}</div>
<div style="position:absolute;left:290px;top:25px">
<img src="./UI图/温度/2.png" alt="" style="width:50px;">
</div>
<div style="position:absolute;left:330px;top:40px">
{{ currentMesh.温度 }} ℃</div>
<div style="position:absolute;left:170px;top:50px">{{ currentMesh.谷物 }}(吨)</div>
<div style="position:absolute;left:80px;top:85px;font-size:60px;color:#00ffff;vertical-align:middle">
<img :src="currentMesh.iconpath" alt="" style="width:60px;">
</div>
<div style="position:absolute;left:155px;top:80px;font-size:60px;color:#00ffff;vertical-align:middle">
{{ Math.floor(S) }}t</div>
<div
style="position:absolute;left:70px;top:170px;padding:8px 25px;border-radius:30px;border:1px solid #00ffff;">
仓高—{{ currentMesh.仓高 }} m</div>
<div style="position:absolute;left:225px;top:170px;padding:8px 25px;">粮高—{{ currentMesh.粮高 }} m</div>
</div>
</div>
</div>
<script id="vertexShader" type="x-shader/x-vertex">
attribute vec4 orientation; attribute vec3 offset; attribute vec2 scale; attribute float life; attribute float random; varying vec2 vUv; varying float vRandom; varying float vAlpha; float range(float oldValue, float oldMin, float oldMax, float newMin, float newMax) { float oldRange = oldMax - oldMin; float newRange = newMax - newMin; return (((oldValue - oldMin) * newRange) / oldRange) + newMin; }float pcurve(float x, float a, float b) { float k = pow(a + b, a + b) / (pow(a, a) * pow(b, b)); return k * pow(x, a) * pow(1.0 - x, b); } void main() { vUv = uv; vRandom = random; vAlpha = pcurve(life, 1.0, 2.0); vec3 pos = position; pos.xy *= scale * vec2(range(pow(life, 1.5), 0.0, 1.0, 1.0, 0.6), range(pow(life, 1.5), 0.0, 1.0, 0.6, 1.2)); vec4 or = orientation; vec3 vcV = cross(or.xyz, pos); pos = vcV * (2.0 * or.w) + (cross(or.xyz, vcV) * 2.0 + pos); gl_Position = projectionMatrix * modelViewMatrix * vec4(pos, 1.0); }
</script>
<script id="fragmentShader" type="x-shader/x-fragment">
uniform sampler2D uMap; uniform vec3 uColor1; uniform vec3 uColor2; uniform float uTime; varying vec2 vUv; varying float vAlpha; varying float vRandom; void main() { vec2 uv = vUv; float spriteLength = 10.0; uv.x /= spriteLength; float spriteIndex = mod(uTime * 0.1 + vRandom * 2.0, 1.0); uv.x += floor(spriteIndex * spriteLength) / spriteLength; vec4 map = texture2D(uMap, uv); gl_FragColor.rgb = mix(uColor2, uColor1, map.r); gl_FragColor.a = vAlpha * map.a; }
</script>
<script>
var scene = new THREE.Scene();
var textureLoader = new THREE.TextureLoader();
var texture = textureLoader.load('./贴图/背景/0.jpg');
scene.background = texture;
var group1 = new THREE.Group();
var group2 = new THREE.Group();
var group3 = new THREE.Group();
group1.position.set(-40, 0, -105);
group2.position.set(-40, 0, -25);
group3.position.set(+10, 0, -85);
var AllGroup = new THREE.Group();
AllGroup.add(group1, group2, group3);
scene.add(AllGroup);
var treeData = [{
id: group1.id,
label: '立筒仓',
children: [],
}, {
id: group1.id,
label: '浅圆仓',
children: [],
}, {
id: group1.id,
label: '平房仓',
children: [],
}, ];
var OBJLoader = new THREE.OBJLoader();
OBJLoader.load('./粮仓模型/wall.obj', function (obj) {
obj.scale.set(0.98, 0.6, 1);
var texLan = new THREE.TextureLoader().load('./贴图/围墙/lan2.png');
texLan.wrapS = THREE.RepeatWrapping;
texLan.wrapT = THREE.RepeatWrapping;
texLan.repeat.set(40, 1);
obj.children[0].material = new THREE.MeshBasicMaterial({
side: THREE.DoubleSide,
map: texLan,
transparent: true,
});
obj.children[1].material = new THREE.MeshBasicMaterial({
map: new THREE.TextureLoader().load('./粮仓模型/door.png'),
side: THREE.DoubleSide,
transparent: true,
});
scene.add(obj)
});
OBJLoader.load('./粮仓模型/gong001.obj', function (obj) {
var mesh = obj.children[0];
mesh.rotateZ(Math.PI);
mesh.translateY(-36);
for (let i = 0; i < 2; i++) {
for (let j = 0; j < 3; j++) {
var Mesh = mesh.clone();
Mesh.material = new THREE.MeshPhongMaterial({
map: new THREE.TextureLoader().load('./粮仓模型/d001.png'),
transparent: true,
side: THREE.DoubleSide,
clipIntersection: true,
});
Mesh.编号 = "L-" + (i + 1) * (j + 1);
Mesh.name = "立筒仓 L-" + (i + 1) * (j + 1);
Mesh.translateX(i * 26);
Mesh.translateZ(j * 21);
Mesh.rotateY(Math.PI / 6);
group1.add(Mesh);
Mesh.仓高 = 36;
Mesh.粮高 = (15 * Math.random() + 20).toFixed(1);
Mesh.谷物 = '红豆';
Mesh.温度 = (36 * (Math.random() / 10 + 0.9)).toFixed(1);
Mesh.吨位 = Mesh.粮高 * 200;
Mesh.iconpath = "./UI图/豆子/红豆.png";
var geometry2 = new THREE.CylinderGeometry(8 - 0.2, 8 - 0.2, Mesh.粮高, 25);
var material2 = new THREE.MeshLambertMaterial({
color: 0xb63427,
});
var mesh2 = new THREE.Mesh(geometry2, material2);
Mesh.add(mesh2);
mesh2.translateY(36 - Mesh.粮高 / 2);
var text = document.getElementById('label').cloneNode(true);
text.style.visibility = "hidden";
text.className = "label";
text.childNodes[1].childNodes[1].textContent = Mesh.name;
var label = new THREE.CSS2DObject(text);
label.position.copy(Mesh.position);
group1.add(label);
treeData[0].children.push({
id: Mesh.id,
mesh: Mesh,
label: Mesh.name,
children: [],
})
}
}
});
OBJLoader.load('./粮仓模型/002.obj', function (obj) {
var mesh = obj.children[0];
mesh.rotateZ(Math.PI);
mesh.material = new THREE.MeshBasicMaterial({
map: new THREE.TextureLoader().load('./粮仓模型/002.png'),
side: THREE.DoubleSide,
transparent: true,
clipIntersection: true,
});
mesh.translateY(-20);
mesh.translateZ(5);
for (let i = 0; i < 2; i++) {
for (let j = 0; j < 6; j++) {
var Mesh = mesh.clone();
Mesh.material = new THREE.MeshPhongMaterial({
map: new THREE.TextureLoader().load('./粮仓模型/002.png'),
transparent: true,
side: THREE.DoubleSide,
clipIntersection: true,
});
Mesh.编号 = "Q-" + (i + 1) * (j + 1);
Mesh.name = "浅圆仓 Q-" + (i + 1) * (j + 1);
Mesh.translateX(i * 25);
Mesh.translateZ(j * 24);
Mesh.rotateY(Math.PI / 6);
group2.add(Mesh);
Mesh.仓高 = 20;
Mesh.粮高 = (10.9 * Math.random() + 9).toFixed(1);
Mesh.谷物 = '绿豆';
Mesh.温度 = (36 * (Math.random() / 10 + 0.9)).toFixed(1);
Mesh.吨位 = Mesh.粮高 * 400;
Mesh.iconpath = "./UI图/豆子/绿豆.png";
var geometry2 = new THREE.CylinderGeometry(10 - 0.20, 10 - 0.20, Mesh.粮高, 25);
var material2 = new THREE.MeshLambertMaterial({
color: 0x91a337
});
var mesh2 = new THREE.Mesh(geometry2, material2);
Mesh.add(mesh2);
mesh2.translateY(20 - Mesh.粮高 / 2);
var text = document.getElementById('label').cloneNode(true);
text.style.visibility = "hidden";
text.className = "label";
text.childNodes[1].childNodes[1].textContent = Mesh.name;
var label = new THREE.CSS2DObject(text);
label.position.copy(Mesh.position);
group2.add(label);
treeData[1].children.push({
id: Mesh.id,
mesh: Mesh,
label: Mesh.name,
children: [],
})
}
}
});
OBJLoader.load('./粮仓模型/003.obj', function (obj) {
var mesh = obj.children[0];
mesh.translateZ(2);
mesh.translateX(1);
mesh.material = new THREE.MeshBasicMaterial({
map: new THREE.TextureLoader().load('./粮仓模型/003.png'),
transparent: true,
side: THREE.DoubleSide,
clipIntersection: true,
});
mesh.scale.set(1.3, 1.4, 1.5);
for (let i = 0; i < 2; i++) {
for (let j = 0; j < 3; j++) {
var Mesh = mesh.clone();
Mesh.material = new THREE.MeshBasicMaterial({
map: new THREE.TextureLoader().load('./粮仓模型/003.png'),
transparent: true,
side: THREE.DoubleSide,
});
Mesh.编号 = "P-" + (i + 1) * (j + 1);
Mesh.name = "平房仓 P-" + (i + 1) * (j + 1);
Mesh.translateX(i * 52.5);
Mesh.translateZ(j * 81.6);
group3.add(Mesh);
Mesh.仓高 = 8;
Mesh.粮高 = (4.9 * Math.random() + 3).toFixed(1);
Mesh.谷物 = '黄豆';
Mesh.温度 = (36 * (Math.random() / 10 + 0.9)).toFixed(1);
Mesh.吨位 = Mesh.粮高 * 1000;
Mesh.iconpath = "./UI图/豆子/黄豆.png";
var geometry2 = new THREE.BoxGeometry(21 - 0.2, Mesh.粮高, 40 - 0.2, 25);
var material2 = new THREE.MeshLambertMaterial({
color: 0xe99147
});
var mesh2 = new THREE.Mesh(geometry2, material2);
Mesh.add(mesh2);
mesh2.translateY(Mesh.粮高 / 2);
var text = document.getElementById('label3').cloneNode(true);
text.style.visibility = "hidden";
text.className = "label";
text.childNodes[1].childNodes[1].textContent = Mesh.name;
var label = new THREE.CSS2DObject(text);
label.position.copy(Mesh.position);
group3.add(label);
treeData[2].children.push({
id: Mesh.id,
mesh: Mesh,
label: Mesh.name,
children: [],
})
}
}
});
var axesHelper = new THREE.AxesHelper(500);
var directionalLight = new THREE.DirectionalLight(0xffffff, 0.7);
directionalLight.position.set(50, 250, 500);
scene.add(directionalLight);
var directionalLight2 = new THREE.DirectionalLight(0xffffff, 0.5);
directionalLight2.position.set(-400, -400, -400);
scene.add(directionalLight2);
var ambient = new THREE.AmbientLight(0xffffff, 0.6);
scene.add(ambient);
var width = window.innerWidth;
var height = window.innerHeight;
var k = width / height;
var s = 100;
var camera = new THREE.OrthographicCamera(-s * k, s * k, s, -s, 1, 20000);
camera.position.set(314, 202, 243);
camera.lookAt(scene.position);
var renderer = new THREE.WebGLRenderer({
antialias: true
});
renderer.setSize(width, height);
renderer.setClearColor(0x409EFF, 1);
document.body.appendChild(renderer.domElement);
var labelRenderer = new THREE.CSS2DRenderer();
labelRenderer.setSize(window.innerWidth, window.innerHeight);
labelRenderer.domElement.style.position = 'absolute';
labelRenderer.domElement.style.top = '0';
labelRenderer.domElement.style.pointerEvents = 'none';
document.body.appendChild(labelRenderer.domElement);
var renderPass = new THREE.RenderPass(scene, camera);
var OutlinePass = new THREE.OutlinePass(new THREE.Vector2(window.innerWidth, window.innerHeight), scene,
camera);
OutlinePass.visibleEdgeColor = new THREE.Color(0, 1, 0);
OutlinePass.hiddenEdgeColor = new THREE.Color(0, 1, 0);
OutlinePass.edgeThickness = 3.0;
var composer = new THREE.EffectComposer(renderer);
composer.addPass(renderPass);
composer.addPass(OutlinePass);
var FXAAShaderPass = new THREE.ShaderPass(THREE.FXAAShader);
FXAAShaderPass.renderToScreen = true;
FXAAShaderPass.uniforms['resolution'].value.set(1 / window.innerWidth, 1 / window.innerHeight);
composer.addPass(FXAAShaderPass);
var RainGroup = new THREE.Group();
for (let i = 0; i < 500; i++) {
var spriteMaterial = new THREE.SpriteMaterial({
map: new THREE.TextureLoader().load("./贴图/雨雪/rain.png"),
});
var sprite = new THREE.Sprite(spriteMaterial);
RainGroup.add(sprite);
sprite.scale.set(3.2, 4, 1);
var k1 = Math.random() - 0.5;
var k2 = Math.random() - 0.5;
sprite.position.set(500 * k1, 200 * Math.random(), 500 * k2)
}
for (let i = 0; i < 500; i++) {
var spriteMaterial = new THREE.SpriteMaterial({
map: new THREE.TextureLoader().load("./贴图/雨雪/rain.png"),
});
var sprite = new THREE.Sprite(spriteMaterial);
RainGroup.add(sprite);
sprite.scale.set(2.4, 3, 1);
var k1 = Math.random() - 0.5;
var k2 = Math.random() - 0.5;
sprite.position.set(500 * k1, 200 * Math.random(), 500 * k2)
}
var clock = new THREE.Clock();
var FPS = 30;
var T = 1 / FPS;
var timeS = 0;
var i = 0;
scene.rotateY(-0.3);
function render() {
i += 1;
if (i < 300) {
scene.rotateY(0.001)
}
RainGroup.children.forEach(sprite => {
sprite.position.y -= 0.5;
if (sprite.position.y < 0) {
sprite.position.y = 200
}
});
requestAnimationFrame(render);
var deltaT = clock.getDelta();
timeS = timeS + deltaT;
if (timeS > T) {
composer.render();
labelRenderer.render(scene, camera);
timeS = 0
}
}
render();
var controls = new THREE.OrbitControls(camera);
controls.enablePan = false;
controls.minZoom = 0.6;
controls.maxZoom = 3;
创建粮仓地面();
创建马路路面();
function 创建粮仓地面() {
var geometry = new THREE.PlaneGeometry(270, 260);
var texture = new THREE.TextureLoader().load("./贴图/水泥地面/floor3.png");
var material = new THREE.MeshLambertMaterial({
map: texture,
side: THREE.DoubleSide,
transparent: true,
});
var mesh = new THREE.Mesh(geometry, material);
scene.add(mesh);
mesh.rotateX(-Math.PI / 2);
mesh.position.y = -0.01
}
function 创建草地地面() {
var geometry = new THREE.PlaneGeometry(1000, 1000);
var texture = new THREE.TextureLoader().load("./贴图/土地/1.png");
texture.wrapS = THREE.RepeatWrapping;
texture.wrapT = THREE.RepeatWrapping;
texture.repeat.set(10, 10);
var material = new THREE.MeshBasicMaterial({
map: texture,
});
var mesh = new THREE.Mesh(geometry, material);
scene.add(mesh);
mesh.rotateX(-Math.PI / 2);
mesh.position.y = -0.1
}
function 创建马路路面() {
var textureLoader = new THREE.TextureLoader();
var geometry = new THREE.PlaneGeometry(24, 800);
var texture = textureLoader.load('./贴图/马路/road2.png');
texture.wrapS = THREE.RepeatWrapping;
texture.wrapT = THREE.RepeatWrapping;
texture.repeat.set(1, 10);
var material = new THREE.MeshBasicMaterial({
map: texture,
side: THREE.DoubleSide,
});
var mesh = new THREE.Mesh(geometry, material);
scene.add(mesh);
mesh.rotateX(-Math.PI / 2);
mesh.rotateZ(Math.PI / 2);
mesh.position.z = 130 + 12
}
创建一圈树();
function 创建一圈树() {
var group = new THREE.Group();
var w = 190,
h = 260;
var textureTree = new THREE.TextureLoader().load("./贴图/树/0.png");
var spriteMaterial = new THREE.SpriteMaterial({
map: textureTree,
});
var sprite = new THREE.Sprite(spriteMaterial);
var H = 8;
sprite.scale.set(4, H, 1);
sprite.translateY(H / 2);
for (let i = 0; i < 19 + 1; i++) {
for (let j = 0; j < 26 + 1; j++) {
if (j * 10 == 260 && i * 10 > 100 && i * 10 < 160) {} else if (i * 10 == 0 || i * 10 == 190 || j *
10 == 0 || j * 10 == 260) {
var Sprite = sprite.clone();
Sprite.translateX(i * 10 - w / 2);
Sprite.translateZ(j * 10 - h / 2);
group.add(Sprite)
}
}
}
group.scale.set(0.96, 0.96, 0.98);
scene.add(group)
}
var label = null;
renderer.localClippingEnabled = true;
var PlaneArr = [new THREE.Plane(new THREE.Vector3(-1, 0, 0), 1), new THREE.Plane(new THREE.Vector3(0, 0, -1),
0)];
var vm = new Vue({
el: "#app",
data: {
treeData: treeData,
currentMesh: {
name: '',
仓高: 0,
粮高: 0,
谷物: '',
温度: 0,
吨位: 0,
},
name: null,
bool: false,
left: 500,
top: 500,
switchBool: true,
clipBool: true,
tagBool: true,
rainBool: true,
conLeft: -150 - 30,
openLeftBool: false,
S: 0,
},
methods: {
nodeClick: function (data) {
var mesh = data.mesh;
if (mesh) {
OutlinePass.selectedObjects = [mesh];
this.currentMesh = mesh;
this.bool = true;
scene.updateMatrixWorld(true);
var worldPosition = new THREE.Vector3();
mesh.getWorldPosition(worldPosition);
var standardVector = worldPosition.project(camera);
var a = window.innerWidth / 2;
var b = window.innerHeight / 2;
this.left = Math.round(standardVector.x * a + a);
this.top = Math.round(-standardVector.y * b + b)
} else {
this.bool = false;
OutlinePass.selectedObjects = []
}
},
openLeft: function () {
if (this.openLeftBool) {
this.conLeft = -150 - 30;
this.openLeftBool = false
} else {
this.conLeft = 0;
this.openLeftBool = true
}
}
},
watch: {
switchBool(value) {
if (value) {
AllGroup.children.forEach(function (group) {
group.children.forEach(function (mesh) {
if (mesh.type === 'Mesh') {
mesh.material.visible = true
}
})
})
} else {
AllGroup.children.forEach(function (group) {
group.children.forEach(function (mesh) {
if (mesh.type === 'Mesh') {
mesh.material.visible = false
}
})
})
}
},
clipBool: function (value) {
if (value) {
renderer.localClippingEnabled = true
} else {
renderer.localClippingEnabled = false
}
},
tagBool: function (value) {
if (value) {
var arr = document.getElementsByClassName("label");
for (var i = 0; i < arr.length; i++) {
arr[i].style.visibility = "hidden"
}
} else {
var arr = document.getElementsByClassName("label");
for (var i = 0; i < arr.length; i++) {
arr[i].style.visibility = "visible"
}
}
},
rainBool: function (value) {
if (value) {
scene.remove(RainGroup)
} else {
scene.add(RainGroup)
}
},
},
mounted: function () {},
});
let lastMesh = null;
function choose(event) {
if (lastMesh) {
vm.bool = false;
lastMesh.material.clippingPlanes = null;
OutlinePass.selectedObjects = []
}
var Sx = event.clientX;
var Sy = event.clientY;
vm.left = Sx + 20;
vm.top = Sy + 20;
var x = (Sx / window.innerWidth) * 2 - 1;
var y = -(Sy / window.innerHeight) * 2 + 1;
var raycaster = new THREE.Raycaster();
raycaster.setFromCamera(new THREE.Vector2(x, y), camera);
var intersects = raycaster.intersectObjects(AllGroup.children, true);
if (intersects.length > 0) {
vm.bool = true;
var mesh = intersects[0].object;
vm.currentMesh = mesh;
OutlinePass.selectedObjects = [mesh];
var S = vm.currentMesh.吨位;
vm.S = 0;
var startTime = new Date().getTime();
var interval = setInterval(function () {
if (new Date().getTime() - startTime > S / 58 * 6) {
clearInterval(interval);
return
}
if (vm.S < S) {
vm.S += 58;
console.log(vm.S)
}
}, 6);
scene.updateMatrixWorld(true);
var worldPosition = new THREE.Vector3();
mesh.getWorldPosition(worldPosition);
lastMesh = mesh;
PlaneArr[0].constant = worldPosition.x;
PlaneArr[1].constant = worldPosition.z;
mesh.material.clipIntersection = true;
mesh.material.clippingPlanes = PlaneArr
}
}
addEventListener('click', choose);
initFire(20, 40, 20, 30, 0);
function initFire(w, h, posX, posY, posZ) {
function random(min, max, precision) {
var p = Math.pow(10, precision);
return Math.round((min + Math.random() * (max - min)) * p) / p
}
var fireVertexShader = document.getElementById('vertexShader').innerText;
var fireFragmentShader = document.getElementById('fragmentShader').innerText;
var _geometry, _shader, _mesh, _group;
var _num = 12;
var _x = new THREE.Vector3(1, 0, 0);
var _y = new THREE.Vector3(0, 1, 0);
var _z = new THREE.Vector3(0, 0, 1);
var _tipTarget = new THREE.Vector3();
var _tip = new THREE.Vector3();
var _diff = new THREE.Vector3();
var _quat = new THREE.Quaternion();
var _quat2 = new THREE.Quaternion();
(function () {
initGeometry();
initInstances();
initShader();
initMesh();
requestAnimationFrame(loop)
})();
function initGeometry() {
_geometry = new THREE.InstancedBufferGeometry();
_geometry.maxInstancedCount = _num;
var shape = new THREE.PlaneBufferGeometry(w, h);
shape.translate(0, 0.4, 0);
var data = shape.attributes;
_geometry.addAttribute('position', new THREE.BufferAttribute(new Float32Array(data.position.array), 3));
_geometry.addAttribute('uv', new THREE.BufferAttribute(new Float32Array(data.uv.array), 2));
_geometry.addAttribute('normal', new THREE.BufferAttribute(new Float32Array(data.normal.array), 3));
_geometry.setIndex(new THREE.BufferAttribute(new Uint16Array(shape.index.array), 1));
shape.dispose()
}
function initInstances() {
var orientation = new THREE.InstancedBufferAttribute(new Float32Array(_num * 4), 4);
var randoms = new THREE.InstancedBufferAttribute(new Float32Array(_num), 1);
var scale = new THREE.InstancedBufferAttribute(new Float32Array(_num * 2), 2);
var life = new THREE.InstancedBufferAttribute(new Float32Array(_num), 1);
for (let i = 0; i < _num; i++) {
orientation.setXYZW(i, 0, 0, 0, 1);
life.setX(i, i / _num + 1)
}
_geometry.addAttribute('orientation', orientation);
_geometry.addAttribute('scale', scale);
_geometry.addAttribute('life', life);
_geometry.addAttribute('random', randoms)
}
function initShader() {
var uniforms = {
uMap: {
type: 't',
value: null
},
uColor1: {
type: 'c',
value: new THREE.Color(0x961800)
},
uColor2: {
type: 'c',
value: new THREE.Color(0x4b5828)
},
uTime: {
type: 'f',
value: 0
},
};
_shader = new THREE.ShaderMaterial({
uniforms: uniforms,
vertexShader: fireVertexShader,
fragmentShader: fireFragmentShader,
blending: THREE.AdditiveBlending,
transparent: true,
depthWrite: false,
side: THREE.DoubleSide,
});
var textureLoader = new THREE.TextureLoader();
textureLoader.load('贴图/火焰/flame.png', t => _shader.uniforms.uMap.value = t)
}
function initMesh() {
_group = new THREE.Group();
_mesh = new THREE.Mesh(_geometry, _shader);
_mesh.frustumCulled = false;
_group.add(_mesh);
scene.add(_group);
_mesh.scale.set(0.01, 0.01, 0.01);
setTimeout(function () {
_mesh.scale.set(1, 1, 1);
vm.$notify({
title: '火警',
message: '平房仓 P-2失火报警',
type: 'warning'
})
}, 3000);
setTimeout(function () {
vm.$notify({
title: '自动灭火',
message: '自动灭火器开启预计1分内完成无需119',
type: 'success'
})
}, 3500);
var startTime = new Date().getTime();
var interval = setInterval(function () {
if (new Date().getTime() - startTime > 20 * 1000) {
vm.$notify({
title: '成功',
message: '已完成灭火，用时20s',
type: 'success'
});
scene.remove(_group);
clearInterval(interval);
return
}
}, 200);
_fire = _group
}
function loop(e) {
requestAnimationFrame(loop);
_shader.uniforms.uTime.value = e * 0.001;
var life = _geometry.attributes.life;
var orientation = _geometry.attributes.orientation;
var scale = _geometry.attributes.scale;
var randoms = _geometry.attributes.random;
for (let i = 0; i < _num; i++) {
var value = life.array[i];
value += 0.04;
if (value > 1) {
value -= 1;
_quat.setFromAxisAngle(_y, random(0, 3.14, 3));
_quat2.setFromAxisAngle(_x, random(-1, 1, 2) * 0.1);
_quat.multiply(_quat2);
_quat2.setFromAxisAngle(_z, random(-1, 1, 2) * 0.3);
_quat.multiply(_quat2);
orientation.setXYZW(i, _quat.x, _quat.y, _quat.z, _quat.w);
scale.setXY(i, random(0.8, 1.2, 3), random(0.8, 1.2, 3));
randoms.setX(i, random(0, 1, 3))
}
life.setX(i, value)
}
life.needsUpdate = true;
orientation.needsUpdate = true;
scale.needsUpdate = true;
randoms.needsUpdate = true;
_group.position.x = posX;
_group.position.y = posY;
_group.position.z = posZ;
let tipOffset = 0.4;
_tipTarget.copy(_group.position);
_tipTarget.y += tipOffset;
_tip.lerp(_tipTarget, 0.1);
_diff.copy(_tip);
_diff.sub(_group.position);
let length = _diff.length();
_group.scale.y = (length / tipOffset - 1) * 0.4 + 1;
_group.quaternion.setFromUnitVectors(_y, _diff.normalize())
}
}
window.onresize = function () {
renderer.setSize(window.innerWidth, window.innerHeight);
k = window.innerWidth / window.innerHeight;
camera.left = -s * k;
camera.right = s * k;
camera.top = s;
camera.bottom = -s;
camera.updateProjectionMatrix();
location.reload()
};
</script>
</body>
</html>