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基于WEBGL架構(gòu)的3D可視化平臺—新風(fēng)系統(tǒng)演示
2020-10-14 by uino 15.0K 技術(shù)分享

新風(fēng)系統(tǒng)是根據(jù)在密閉的室內(nèi)一側(cè)用專用設(shè)備向室內(nèi)送新風(fēng)，再從另一側(cè)由專用設(shè)備向室外排出，在室內(nèi)會(huì)形成“新風(fēng)流動(dòng)場”，從而滿足室內(nèi)新風(fēng)換氣的需要。UINO實(shí)施方案是：采用高風(fēng)壓、大流量風(fēng)機(jī)、依靠機(jī)械強(qiáng)力由一側(cè)向室內(nèi)送風(fēng)，由另一側(cè)用專門設(shè)計(jì)的排風(fēng)風(fēng)機(jī)向室外排出的方式強(qiáng)迫在系統(tǒng)內(nèi)形成新風(fēng)流動(dòng)場。在送風(fēng)的同時(shí)對進(jìn)入室內(nèi)的空氣進(jìn)過濾、消毒、殺菌、增氧、預(yù)熱（冬天）。

接下來就用ThingJs平臺來搭建一個(gè)新風(fēng)系統(tǒng)

第一步，利用CampusBuilder搭建模擬場景。CampusBuilder的模型庫有各種各樣的模型，使我們搭建出的場景更逼真。

//加載場景代碼
var app = new THING.App({
    // 場景地址
    "url": "http://www.thingjs.com/./uploads/wechat/oLX7p05lsWJZUIxnIWsNXAzJ40X8/scene/新風(fēng)演示2",

});

第二步，創(chuàng)建三個(gè)數(shù)組來保存每個(gè)風(fēng)的模型。

var hotWindGroup = [];
var coolWindGroup = [];
var newWindGroup = [];
var wind = null;

第三步，構(gòu)造一個(gè)創(chuàng)建風(fēng)的函數(shù)，為了方便創(chuàng)建風(fēng)及其位置，我們選取排風(fēng)設(shè)備為風(fēng)的父物體，將創(chuàng)建出來的風(fēng)的visiable屬性設(shè)置為false（這里這個(gè)坐標(biāo)問題可以看一下官網(wǎng)的教程中控制物體中的坐標(biāo)轉(zhuǎn)換）。

function createWind(parent, x, y, angle, localPosition, color, group) {
    rs = app.query(parent)[0];
    wind = app.create({
        type: 'Thing',
        name: 'hotWind',
        url: 'http://model.3dmomoda.cn/models/4da706d8a37047298c0318a5b9546abd/0/gltf/',
        localPosition: localPosition,
        scale: [1, 2, 1],
        angle: angle,
        parent: rs,
    });
    wind.style.color = color;
    wind.visible = false;
    wind.rotateX(x);
    wind.rotateY(y);
    group.push(wind);
}

第四步，開始創(chuàng)建風(fēng)模型，并調(diào)整一下攝像機(jī)的角度及位置。

app.on('load', function () {
    //攝像機(jī)角度
    app.camera.position = [-22.91452445633646, 30.46296743148116, -23.83548169673341];
    app.camera.target = [-13.532807014407252, 5.6565539015865856, -3.3431546399681276];
    //hotWind
    createWind('空調(diào)1', 0, 0, 0, [0, -2, 0], '#FF0000', hotWindGroup);
    createWind('空調(diào)1', 0, 0, 0, [0, -2, 0.5], '#FF0000', hotWindGroup);
    createWind('空調(diào)1', 0, 0, 0, [0, -2, 1], '#FF0000', hotWindGroup);
    createWind('空調(diào)2', 0, 0, 0, [0, -2, 0], '#FF0000', hotWindGroup);
    createWind('空調(diào)2', 0, 0, 0, [0, -2, 0.5], '#FF0000', hotWindGroup);
    createWind('空調(diào)2', 0, 0, 0, [0, -2, 1], '#FF0000', hotWindGroup);
    //coolWind
    createWind('空調(diào)1', 0, 0, 0, [0, -2, 0], '#0000FF', coolWindGroup);
    createWind('空調(diào)1', 0, 0, 0, [0, -2, 0.5], '#0000FF', coolWindGroup);
    createWind('空調(diào)1', 0, 0, 0, [0, -2, 1], '#0000FF', coolWindGroup);
    createWind('空調(diào)2', 0, 0, 0, [0, -2, 0], '#0000FF', coolWindGroup);
    createWind('空調(diào)2', 0, 0, 0, [0, -2, 0.5], '#0000FF', coolWindGroup);
    createWind('空調(diào)2', 0, 0, 0, [0, -2, 1], '#0000FF', coolWindGroup);
    //newWind
    createWind('排風(fēng)1', -50, 0, 0, [0, -0.5, 2], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 0, 0, [0, -0.5, 4], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 0, 0, [0, -0.5, 6], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [2, -0.5, 7], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [4, -0.5, 8], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [6, -0.5, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [8, -0.5, 12], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [10, -0.5, 15], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [12, -0.5, 18], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [10, -0.5, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [14, -0.5, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [18, -0.5, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [22, -0.5, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [26, -0.5, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)2', -50, 0, 0, [0, -0.5, 2], '#00FF00', newWindGroup);
    createWind('排風(fēng)3', -50, 0, 0, [0, -0.5, 2], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -50, 0, 0, [0, -0.5, 2], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -50, 0, 0, [0, -0.5, 4], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -50, 0, 0, [0, -0.5, 6], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -50, 0, 0, [0, -0.5, 8], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -50, 0, 0, [0, -0.5, 10], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -50, 0, 0, [0, -0.5, 12], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 50, [2, -0.6, 12], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 50, [4, -0.7, 12], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 50, [6, -0.8, 13], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 90, [8, -0.8, 11], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 90, [12, -0.8, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 90, [16, -0.8, 7], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 90, [20, -0.8, 5], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 90, [24, -0.8, 3], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 0, 90, [8, -0.8, 13], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 0, 90, [12, -0.8, 13], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 0, 90, [16, -0.7, 13], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 0, 90, [20, -0.6, 13], '#00FF00', newWindGroup);
    //createWind('排風(fēng)4', -90, 0, 90, [24, -0.5, 13], '#00FF00', newWindGroup);

    //熱風(fēng)演示
    new THING.widget.Button('熱風(fēng)演示', function () {
        for (let i of coolWindGroup) {
            i.visible = false;
        };
        for (let i of hotWindGroup) {
            i.visible = true;
        };

    });

    //冷風(fēng)演示
    new THING.widget.Button('冷風(fēng)演示', function () {
        for (let i of coolWindGroup) {
            i.visible = true;
        };
        for (let i of hotWindGroup) {
            i.visible = false;
        };
    });

    //新風(fēng)演示
    new THING.widget.Button('新風(fēng)演示', function () {
        playNewWind();
    });

    function playNewWind() {
        for (var i = 0; i < newWindGroup.length; i++) {
            if(i==newWindGroup.length-1)
            return;
            newWindGroup[i].visible = true;
            newWindGroup[i].moveTo({
                "time": 4000,
                "position": newWindGroup[i+1].position,
            });
        }
});

第五步，運(yùn)行項(xiàng)目。演示地址

思考與總結(jié)：

首先就是空間坐標(biāo)系下轉(zhuǎn)父物體坐標(biāo)真是弄暈了，看了官網(wǎng)的教程多少理解了一點(diǎn)。剛開始的時(shí)候我一直認(rèn)為我的子物體以父物體坐標(biāo)下放置的時(shí)候，子物體坐標(biāo)軸的問題指向的問題。看了教程發(fā)現(xiàn)自己的擔(dān)心多余了，就好像是人戴鴨舌帽帽子不管戴在誰的頭上都一樣。

其次就是讓風(fēng)動(dòng)起來，最初是想讓一個(gè)模型在空間中運(yùn)動(dòng)，發(fā)現(xiàn)效果不好用。最后就創(chuàng)建了多個(gè)模型他們對應(yīng)著有各自的點(diǎn)，讓每一個(gè)模型向他下一個(gè)模型的位置移動(dòng)實(shí)現(xiàn)運(yùn)動(dòng)。

完整代碼

/加載場景代碼
var app = new THING.App({
    // 場景地址
    "url": "http://www.thingjs.com/./uploads/wechat/oLX7p05lsWJZUIxnIWsNXAzJ40X8/scene/新風(fēng)演示2",

});

var hotWindGroup = [];
var coolWindGroup = [];
var newWindGroup = [];
var wind = null;

function createWind(parent, x, y, angle, localPosition, color, group) {
    rs = app.query(parent)[0];
    wind = app.create({
        type: 'Thing',
        name: 'hotWind',
        url: 'http://model.3dmomoda.cn/models/4da706d8a37047298c0318a5b9546abd/0/gltf/',
        localPosition: localPosition,
        scale: [1, 2, 1],
        angle: angle,
        parent: rs,
    });
    wind.style.color = color;
    wind.visible = false;
    wind.rotateX(x);
    wind.rotateY(y);
    group.push(wind);
}

app.on('load', function () {
    //攝像機(jī)角度
    app.camera.position = [-22.91452445633646, 30.46296743148116, -23.83548169673341];
    app.camera.target = [-13.532807014407252, 5.6565539015865856, -3.3431546399681276];
    //hotWind
    createWind('空調(diào)1', 0, 0, 0, [0, -2, 0], '#FF0000', hotWindGroup);
    createWind('空調(diào)1', 0, 0, 0, [0, -2, 0.5], '#FF0000', hotWindGroup);
    createWind('空調(diào)1', 0, 0, 0, [0, -2, 1], '#FF0000', hotWindGroup);
    createWind('空調(diào)2', 0, 0, 0, [0, -2, 0], '#FF0000', hotWindGroup);
    createWind('空調(diào)2', 0, 0, 0, [0, -2, 0.5], '#FF0000', hotWindGroup);
    createWind('空調(diào)2', 0, 0, 0, [0, -2, 1], '#FF0000', hotWindGroup);
    //coolWind
    createWind('空調(diào)1', 0, 0, 0, [0, -2, 0], '#0000FF', coolWindGroup);
    createWind('空調(diào)1', 0, 0, 0, [0, -2, 0.5], '#0000FF', coolWindGroup);
    createWind('空調(diào)1', 0, 0, 0, [0, -2, 1], '#0000FF', coolWindGroup);
    createWind('空調(diào)2', 0, 0, 0, [0, -2, 0], '#0000FF', coolWindGroup);
    createWind('空調(diào)2', 0, 0, 0, [0, -2, 0.5], '#0000FF', coolWindGroup);
    createWind('空調(diào)2', 0, 0, 0, [0, -2, 1], '#0000FF', coolWindGroup);

    //newWind
    createWind('排風(fēng)1', -50, 0, 0, [0, -0.5, 2], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 0, 0, [0, -0.5, 4], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 0, 0, [0, -0.5, 6], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [2, -0.5, 7], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [4, -0.5, 8], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [6, -0.5, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [8, -0.5, 12], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [10, -0.5, 15], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [12, -0.5, 18], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [10, -0.5, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [14, -0.5, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [18, -0.5, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [22, -0.5, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)1', -50, 50, 50, [26, -0.5, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)2', -50, 0, 0, [0, -0.5, 2], '#00FF00', newWindGroup);
    createWind('排風(fēng)3', -50, 0, 0, [0, -0.5, 2], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -50, 0, 0, [0, -0.5, 2], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -50, 0, 0, [0, -0.5, 4], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -50, 0, 0, [0, -0.5, 6], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -50, 0, 0, [0, -0.5, 8], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -50, 0, 0, [0, -0.5, 10], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -50, 0, 0, [0, -0.5, 12], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 50, [2, -0.6, 12], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 50, [4, -0.7, 12], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 50, [6, -0.8, 13], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 90, [8, -0.8, 11], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 90, [12, -0.8, 9], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 90, [16, -0.8, 7], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 90, [20, -0.8, 5], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 50, 90, [24, -0.8, 3], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 0, 90, [8, -0.8, 13], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 0, 90, [12, -0.8, 13], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 0, 90, [16, -0.7, 13], '#00FF00', newWindGroup);
    createWind('排風(fēng)4', -90, 0, 90, [20, -0.6, 13], '#00FF00', newWindGroup);
    //createWind('排風(fēng)4', -90, 0, 90, [24, -0.5, 13], '#00FF00', newWindGroup);

    //熱風(fēng)演示
    new THING.widget.Button('熱風(fēng)演示', function () {
        for (let i of coolWindGroup) {
            i.visible = false;
        };
        for (let i of hotWindGroup) {
            i.visible = true;
            //playWind(i,[0,-0.6499999999999999,0],[0,-0.7234152255572697,0.46352549156242107],[0,-1.2683221215612903,1.2135254915624212],[0,-2.15,1.5])
        };

    });

    //冷風(fēng)演示
    new THING.widget.Button('冷風(fēng)演示', function () {
        for (let i of coolWindGroup) {
            i.visible = true;
        };
        for (let i of hotWindGroup) {
            i.visible = false;
        };
    });

    //新風(fēng)演示
    new THING.widget.Button('新風(fēng)演示', function () {
        playNewWind();
    });

    function playNewWind() {
        for (var i = 0; i < newWindGroup.length; i++) {
            if(i==newWindGroup.length-1)
            return;
            newWindGroup[i].visible = true;
            newWindGroup[i].moveTo({
                "time": 4000,
                "position": newWindGroup[i+1].position,
            });
        }
    }

});
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作者：extends  Thread