javascript 简单的3d网页应用(3d网页可视化编辑器), 搭建几何体 选配材质 纹理 , 导入 导出 示例 ( three.js 初探 六)
程序员文章站
2022-03-10 16:21:37
1 完整代码下载 https://pan.baidu.com/s/1JJyVcP2KqXsd5G6eaYpgHQ 提取码 3fzt (压缩包名： 2020-3-24-demo.zip) 2 图片展示 3 主要代码 布尔运算后的物体的几何体会自动 导入到 几何体列表选项中, 可*选配 挺简单的 都是 ......
1 完整代码下载
https://pan.baidu.com/s/1jjyvcp2kqxsd5g6eaypghq
提取码 3fzt (压缩包名： 2020-3-24-demo.zip)
2 图片展示
3 主要代码
布尔运算后的物体的几何体会自动 导入到 几何体列表选项中, 可*选配
挺简单的 都是中文
1 "use strict"
2
3 ;(function (){
4
5 //是否支持webgl
6 if(webgl.iswebglavailable() === false){
7 document.body.appendchild(webgl.getwebglerrormessage());
8 return;
9 }
10
11 three.cache.enabled = true;//加载器启用缓存
12
13 var _view = new view().initbody();
14 var _width = _view.size.w;
15 var _height = _view.size.h;
16 var _mindistance = 0.1;
17 var _maxdistance = 5000;
18
19 //three
20 var _three = function (){}
21
22 object.assign(_three.prototype, {
23
24 constructor: _three,
25
26 depthmaterial: new three.meshdepthmaterial({depthpacking: three.rgbadepthpacking}),
27
28 createscene: function (bg, fog){//场景
29 let scene = new three.scene();
30 if(typeof(bg) === "number"){scene.background = bg;}
31 else if(array.isarray(bg) === true){
32 scene.background = new three.cubetextureloader()
33 .setpath('img/cube/skyboxsun25deg/')
34 .load( [ 'px.jpg', 'nx.jpg', 'py.jpg', 'ny.jpg', 'pz.jpg', 'nz.jpg' ] );
35 }
36 if(fog) scene.fog = new three.fog(fog.color, fog.near, fog.far);
37 return scene;
38 },
39
40 createcamera: function (fov, width, height, near, far){//相机
41 let w = width === undefined ? _width : width;
42 let h = height === undefined ? _height : height;
43 let camera = new three.perspectivecamera(fov || 45, w / h, near || _mindistance, far || _mindistance * 1000);
44 camera.position.set(0, 0, _maxdistance * 0.001);
45 camera.lookat( 0, 0, 0 );
46 return camera;
47 },
48
49 createrenderer: function (felem, width, height, antialias, lights, shadow, checkshadererrors){//渲染器
50 let fel = felem || document.body;
51 let renderer = new three.webglrenderer({
52 antialias : antialias || false, //抗割齿
53 powerpreference:"high-performance" //选择高性能gpu渲染
54 });
55 renderer.setsize(width || _width, height || _height);
56 renderer.setpixelratio(window.devicepixelratio);
57 renderer.gammafactor = 2.2; //着色校正
58 renderer.physicallycorrectlights = lights || false; //使其精确照明
59 renderer.shadowmap.enabled = shadow || false; //渲染阴影
60 renderer.debug.checkshadererrors = checkshadererrors || false; //
61 if(!renderer.extensions.get('webgl_depth_texture')){console.log("深度纹理扩展获取失败:webgl_depth_texture");}
62 fel.appendchild(renderer.domelement);
63 return renderer;
64 },
65
66 addlinghts: function (scene, hc){//灯光
67 let a = new three.ambientlight(0x696969);//环境光(无处不在的光，太阳光)
68
69 let b = new three.directionallight(0xffffff, 1);//平行光(产生阴影的光)
70 b.position.set(0, 50, 50);//位置
71 b.castshadow = true;// 产生动态阴影
72 //b.target = object3d; //平行光的方向是从它的位置到目标位置。默认的目标位置为原点 (0,0,0)。
73 b.shadow.radius = 1;//使阴影边缘变模糊
74 b.shadow.bias = 0.0001;
75 b.shadow.mapsize.width = 1024;//阴影质量w
76 b.shadow.mapsize.height = 1024;//阴影质量h
77
78 //下面属性默认不自动更新
79 /* let l_d = 20; //光照区域的大小 100 * 100
80 b.shadow.camera.left = -l_d;
81 b.shadow.camera.right = l_d;
82 b.shadow.camera.top = l_d;
83 b.shadow.camera.bottom = -l_d; */
84 b.shadow.camera.near = 0.1;//最近
85 b.shadow.camera.far = 100;//最远
86
87
88 /* var helpershadow = new three.camerahelper(b.shadow.camera);
89 scene.add(a, b, helpershadow);
90 var c = ()=>{()=>{helpershadow.update(); hc.update(); }}
91 new gui(b.position, ["x", "y", "z"], [-2500, 2500, 1]).change(c)
92 .add(b.shadow, "radius", [-1, 1, 0.1]).change(c)
93 .add(b.shadow.mapsize, ["width", "height"], [0, 2048, 1]).change(c)
94 .title("调试灯光");*/
95 scene.add(a, b);
96 return [a, b];
97 },
98
99 addcontrols: function (scene, camera, renderer, children){//控件
100
101 //拖放控件
102 let drag = new three.dragcontrols(children, camera, renderer.domelement);
103 //drag.addeventlistener('hoveron', (e)=>{this.addtarget(e.object);});
104 drag.enabled = false;
105 //this.dragcontrols = dc;
106
107 //轨道控件
108 let orbit = new three.orbitcontrols(camera, renderer.domelement);
109 orbit.target = new three.vector3(0, 0, 0);//控件焦点
110 //orbit.minpolarangle = math.pi * 0.3;//向上最大角度
111 //orbit.maxpolarangle = math.pi * 0.4;//向下最大角度
112 orbit.mindistance = _mindistance;//最小距离
113 orbit.maxdistance = _maxdistance;//最大距离
114 orbit.autorotatespeed = 10;//自动旋转速度
115 //orbit.panspeed = 100;//鼠标旋转速度
116 orbit.enablezoom = true;//是否启用缩放
117 orbit.enablekeys = true;//是否启用键盘
118 orbit.panspeed = 1;//鼠标平移速度
119 orbit.keypanspeed = 100;//按键平移的速度
120 orbit.keys.left = 65;//key a左
121 orbit.keys.up = 87;//key w前
122 orbit.keys.right = 68;//key d右
123 orbit.keys.bottom = 83;//key s后
124 orbit.addeventlistener("change", ()=>{this.render(scene, camera, renderer);});
125
126
127 //平移控件
128 var transform = new three.transformcontrols(camera, renderer.domelement);
129 transform.addeventlistener( 'dragging-changed', (e)=>{orbit.enabled = !e.value;});
130 transform.addeventlistener('change', ()=>{this.render(scene, camera, renderer);});
131 scene.add(transform);
132
133 return {drag: drag, orbit: orbit, transform: transform};
134 },
135
136 updategeometry: function (mesh, geometry){//更换几何体
137 if(!mesh || !geometry){
138 console.log("_three: 几何体更换失败");
139 return;
140 }
141 mesh.geometry.dispose();
142 mesh.geometry = geometry;
143 },
144
145 updatematerial: function (mesh, material){//更换材质
146 if(!mesh || !material){
147 console.log("_three: 材质更换失败");
148 return;
149 }
150 let newmat = material.clone(true);
151 //newmat.color.copy(mesh.material.color);
152 newmat.transparent = true;
153 if(mesh.material.map !== null){this.updatetexture(newmat, mesh.material.map);}
154 mesh.material.dispose();
155 mesh.material = newmat;
156 },
157
158 updatetexture: function (material, texture){//更换纹理
159 if(!material || !texture){
160 console.log("_three: 纹理更换失败");
161 return;
162 }
163 let map = new three.texture(texture.image);
164 map.wraps = three.repeatwrapping;
165 map.wrapt = three.repeatwrapping;
166 map.repeat.set(1, 1);
167 map.minfilter = three.nearestfilter;
168 map.magfilter = three.nearestfilter;
169 if(material.map !== null){
170 map.wraps = material.map.wraps;
171 map.wrapt = material.map.wrapt;
172 map.repeat.copy(material.map.repeat);
173 map.anisotropy = material.map.anisotropy;
174 material.map.dispose();
175 }
176 material.map = map;
177 material.map.needsupdate = true;
178 material.needsupdate = true;
179 },
180
181 render: function (scene, camera, renderer){//渲染
182 renderer.render(scene, camera);
183 },
184
185 getbsp: function (mesha, meshb, type){//剪裁 添加 重合
186 if(!mesha || !meshb || !type || mesha === meshb){console.log("getbsp:参数错误, 请选择1至2个物体进行运算"); return;}
187 if(!mesha.geometry || !meshb.geometry) return;
188 if(mesha.geometry.isgeometry !== true || meshb.geometry.isgeometry !== true) return;
189 let bsp_a = new threebsp(mesha);//生成threebsp对象
190 let bsp_b = new threebsp(meshb);//生成threebsp对象
191 let bsp = bsp_a[type](bsp_b);//进行 type 计算
192 let mesh = bsp.tomesh();//转换为mesh模型
193 mesh.geometry.computefacenormals();//更新模型的面
194 mesh.geometry.computevertexnormals();//更新模型的顶点
195 mesh.material = mesha.material;//重赋值纹理
196 return mesh;
197 },
198
199 tobuffer: function (geometry){//几何体 转为缓存几何体
200 if(geometry.isgeometry !== true) return;
201 return new three.buffergeometry().fromgeometry(geometry);
202 },
203
204 loadinggltf: function (url, scene){//导入
205 if(!this.loadgltf){this.__proto__.loadgltf = new three.gltfloader();}
206 if(!scene) return;
207 this.loadgltf.load(url, (gltf)=>{
208 scene.add(gltf.scene);
209 });
210 },
211
212 exportergltf: function (mesh, filetype){//导出物体(限谷歌浏览器)
213 if(!this.exportgltf){this.__proto__.exportgltf = new three.gltfexporter();}
214 if(!mesh){console.log("mesh 错误"); return;}
215 // 使用meshbasicmaterial 或 meshstandardmaterial 材质 效果会更好
216 //使用 buffergeometry 缓存几何体 文件体积会更小
217 //if(mesh.geometry.isgeometry === true){mesh.geometry = new three.buffergeometry().fromgeometry(mesh.geometry);}
218 var opt = {
219 binary: filetype || this.exportgltffiletype || false,
220 embedimages: true,
221 onlyvisible: true,
222 truncatedrawrange: true,
223 trs: false
224 };
225 var download = ( blob, filename )=>{
226 let link = _view.add(document.body, "a");
227 link.style.display = 'none';
228 link.href = url.createobjecturl( blob ); console.log(link.href);
229 link.download = filename;
230 link.click();
231 _view.remove(link);
232 }
233
234 this.exportgltf.parse(mesh, function ( result ){
235 if(result instanceof arraybuffer){
236 download(new blob([result], {type: 'application/octet-stream'}), 'scene.glb');
237 }else{
238 download(new blob([json.stringify( result, null, 2 )], {type: 'text/plain'}), 'scene.gltf');
239 }
240 }, opt);
241 },
242
243 runraycaster: function (o, w, h){//光线投射
244 o.result.length = 0;
245 o.vector2.set((o.x / w || _width) * 2 - 1, -(o.y / h || _height) * 2 + 1);
246 o.raycaster.setfromcamera(o.vector2, o.camera);
247 o.raycaster.intersectobjects(o.children, o.recursive, o.result);
248 },
249
250 createclipplane: function (handcreate){//添加 面 和 点 剪裁面
251 let pa = new three.plane(new three.vector3( 1, 0, 0 ), 1);
252 let pb = new three.plane(new three.vector3( 0, -1, 0 ), 1);
253 let pc = new three.plane(new three.vector3( 0, 0, -1), 1);
254 let pd = new three.plane(new three.vector3( 0, 1, 1), 1);
255
256 let hg = new three.group();
257 hg.add(new three.planehelper(pa, 2, 0xff0000), new three.planehelper(pb, 2, 0x00ff00), new three.planehelper(pc, 2, 0x0000ff), new three.planehelper(pd, 2, 0x0000ff));
258 return {
259 planes: [pa, pb, pc, pd],
260 helpers: hg
261 };
262 var geometry = new three.spheregeometry(1, 48, 24);
263 var material = new three.meshlambertmaterial({
264 color: new three.color("#666666"),
265 side: three.doubleside,
266 clippingplanes: clipplane,
267 clipintersection: true
268 });
269 console.log(helper0); console.log(material);
270 handcreate.add(new three.mesh(geometry, material), helpergroup);
271
272 handcreate.renderer.localclippingenabled = true;
273
274 //clipplane.constant = 0.1;
275 new gui({constant:0}, [-1, 1, 0.01])
276 .change((val)=>{
277 for(let k = 0; k < clipplane.length; k++){
278 clipplane[k].constant = val;
279 }
280 handcreate.update();
281 })
282 .add(material, "clipintersection")
283 .add(helper0, "size", [0, 10, 0.1])
284 .change(()=>{handcreate.update();})
285 }
286
287 });
288
289
290
291 //几何体
292 var _geometry = function (){
293 _three.call(this);
294 //this.width = 100; _width
295 this.height = 100;
296 this.y = this.campos.y;
297 this.dis = 1.5;
298 this.targetchange = null;
299 this.objects = [];
300 }
301
302 _geometry.prototype = object.assign(object.create(_three.prototype), {
303
304 constructor: _geometry,
305
306 config: [
307 new three.boxgeometry(1, 1, 1, 1, 1, 1),
308 new three.spheregeometry(0.5, 8 , 6, 0, math.pi * 2, 0, math.pi),
309 new three.planegeometry(1, 1, 1, 1)
310 ],
311
312 campos: {x: _width/110, y: 0, z: 1.5},
313
314 defaultmaterial: new three.meshbasicmaterial({wireframe: true}),
315
316 init: function (){//初始化
317 if(this.scene === undefined) this.addscene();
318 if(this.show === undefined) this.setshow();
319 if(this.target === undefined) this.settarget();
320 this.renderview(this.config);
321 return this;
322 },
323
324 addscene: function (){//添加 场景
325 let elem = _view.add(document.body, "div", null, "showobject box-scroll-block");
326 _view.addevent(elem, 'click', (e)=>{this.addtarget(e);});
327
328 let scene = this.createscene(0x000000, false);
329 var camera = new three.orthographiccamera(_width/-100, _width/100, this.height/100, this.height/-100, 0.1, 10);
330 camera.lookat(0, 0, 0);
331 let renderer = this.createrenderer(elem, _width, this.height, true, true, true, true);
332 let linghts = this.addlinghts(scene);
333 let drag = new three.dragcontrols(scene.children, camera, renderer.domelement);
334 drag.enabled = false;
335 this.__proto__.scene = {e: elem, s:scene, c: camera, r: renderer, l: linghts, drag: drag, target: null}
336 drag.addeventlistener('hoveron', (e)=>{this.scene.target = e.object;});
337 drag.addeventlistener('hoveroff', ()=>{this.scene.target = null;});
338 this.gotoposition();
339 },
340
341 addlinghts: function (scene){//重写添加灯光
342 let a = new three.ambientlight(0x696969);
343 let b = new three.directionallight(0xffffff, 1);
344 b.position.set(0, 5, 5);
345 scene.add(a, b);
346 return [a, b];
347 },
348
349 gotoposition: function (){//跳转到 geometry 坐标
350 this.scene.c.position.set(this.campos.x, this.campos.y, this.campos.z);
351 this.update();
352 },
353
354 setpos: function (k, mesh){//renderview-> 设置物体之间的距离
355 mesh.position.set(k * this.dis, this.y, 0);
356 },
357
358 addmesh: function (object, key){//renderview-> 添加物体
359 let mesh = new three.mesh(object, this.defaultmaterial);
360 mesh.handcreate = {type: "_geometry", index: key, matindex: 0}
361 this.scene.s.add(mesh);
362 return mesh;
363 },
364
365 renderview: function (arr){//渲染场景视图
366 for(let k = 0; k < arr.length; k++){
367 let mesh = this.addmesh(arr[k], k);
368 this.setpos(k, mesh);
369 this.objects.push(mesh);
370 }
371 this.update();
372 },
373
374 setshow: function (){//是否显示场景的html元素
375 let _show = false;
376 object.defineproperties(this.__proto__, {
377 show: {
378 get:()=>{return _show;},
379 set:(v)=>{
380 if(v === true){
381 this.scene.e.style.display = "block";
382 }else{
383 this.scene.e.style.display = "none";
384 }
385 _show = v;
386 }
387 }
388 });
389 },
390
391 addtarget: function (e){//addscene event->场景html元素的事件回调函数
392 if(!this.scene.target) return;
393 this.target = this.scene.target;
394 },
395
396 settarget: function (){//配置 target
397 let _target = null;
398 object.defineproperties(this.__proto__, {
399 target: {
400 get:()=>{return _target;},
401 set:(v)=>{
402 if(typeof(this.targetchange) === "function") this.targetchange(v);
403 _target = v;
404 }
405 }
406 });
407 },
408
409 exportobject: function (){//导出 几何体
410
411 },
412
413 importobject: function (object){//导入 几何体
414 if(object.isgeometry !== true) return;
415 let nowkey = this.config.length;
416 let mesh = this.addmesh(object, nowkey);
417 this.setpos(nowkey, mesh);
418 this.config.push(object);
419 this.objects.push(mesh);
420 this.update();
421 },
422
423 update: function (){//更新场景
424 this.render(this.scene.s, this.scene.c, this.scene.r);
425 },
426
427 debugcamera: function (){//gui调试 正交相机
428 let c = this.scene.c;
429 let pos = {x: _width/110, y: 0, lookat: true, position: false};
430 let upd = ()=>{
431 if(pos.lookat) c.lookat(pos.x, pos.y, 0);
432 if(pos.position) c.position.set(pos.x, pos.y, 5);
433 this.update();
434 }
435
436 new gui(pos, [0, 10, 0.1], "调试正交相机")
437 .change({
438 x: (v)=>{pos.x = v; upd();},
439 y: (v)=>{pos.y = v; upd();}
440 })
441
442 }
443
444 });
445
446
447
448 //材质
449 var _material = function (){
450 _geometry.call(this);
451 }
452
453 _material.prototype = object.assign(object.create(_geometry.prototype), {
454
455 constructor: _material,
456
457 config:[
458 new three.meshbasicmaterial(),
459 new three.meshlambertmaterial(),
460 new three.meshstandardmaterial()
461 ],
462
463 defaultgeometry: new three.boxgeometry(1, 1, 1, 1, 1, 1),
464
465 campos: {x: _width/110, y: 1.5, z: 1.5},
466
467 addmesh: function (object, key){
468 let mesh = new three.mesh(this.defaultgeometry, object);
469 mesh.handcreate = {type: "_material", index: key};
470 this.scene.s.add(mesh);
471 return mesh;
472 },
473
474 gotoposition: function (mesh){
475 if(!mesh) return; this.mesh = mesh;
476 let geometry = _geometry.prototype.config[mesh.handcreate.geoci].clone();
477 for(let k = 0; k < this.objects.length; k++){
478 this.updategeometry(this.objects[k], geometry);
479 }
480 this.scene.c.position.set(this.campos.x, this.campos.y, this.campos.z);
481 this.update();
482 }
483
484 });
485
486
487
488 //纹理 map
489 var _texture = function (){
490 _material.call(this);
491 this.texturelen = 12;
492 this.settexture();
493 }
494
495 _texture.prototype = object.assign(object.create(_material.prototype), {
496
497 constructor: _texture,
498
499 config: [],
500
501 campos: {x: _width/110, y: 3, z: 1.5},
502
503 defaultmaterial: new three.meshbasicmaterial(),
504
505 load: new three.textureloader(),
506
507 loaded: 0,
508
509 settexture: function (){
510 let k, texture;
511 for(k = 0; k < this.texturelen; k++){
512 texture = this.load.load("img/texture/"+k+".jpg", ()=>{this.__proto__.loaded++;});
513 texture.wraps = three.repeatwrapping;
514 texture.wrapt = three.repeatwrapping;
515 texture.repeat.set(1, 1);
516 this.__proto__.config.push(texture);
517 }
518 if(this.loaded !== this.texturelen){this.awaitload();}
519 },
520
521 awaitload: function (){
522 let interval = setinterval(()=>{
523 if(this.loaded === this.texturelen){
524 this.update();
525 clearinterval(interval);
526 console.log("load texture: "+this.loaded+"/"+this.texturelen);
527 }else{
528 console.log("load texture: "+this.loaded+"/"+this.texturelen);
529 }
530 }, 300);
531 },
532
533 addmesh: function (object, key){
534 let mesh = new three.mesh(this.defaultgeometry, new three.meshbasicmaterial({map: object}));
535 //let mesh = new three.mesh(this.defaultgeometry, this.defaultmaterial);
536 //this.updatetexture(mesh, object);
537 mesh.handcreate = {type: "_texture", index: key};
538 this.scene.s.add(mesh);
539 return mesh;
540 },
541
542 gotoposition: function (mesh){
543 if(!mesh) return; this.mesh = mesh;
544 let geometry = _geometry.prototype.config[mesh.handcreate.geoci].clone();
545 let material = _material.prototype.config[mesh.handcreate.matci].clone();
546 for(let k = 0; k < this.objects.length; k++){
547 this.updategeometry(this.objects[k], geometry);
548 this.updatematerial(this.objects[k], material);
549 }
550 this.scene.c.position.set(this.campos.x, this.campos.y, this.campos.z);
551 this.update();
552 }
553
554 });
555
556 //物体
557 var _mesh = function (){}
558
559 //gui
560 var setview = function (hc, newmesh, oldmesh){
561 this.hc = hc;
562 this.newmesh = newmesh;
563 this.oldmesh = oldmesh;
564 return this.init();
565 }
566
567 object.assign(setview.prototype, {
568
569 constructor: setview,
570
571 init: function (){
572 if(this.globalgui === undefined) this.createglobal();
573 this.gui = new gui().display("none");
574
575 this.createmesh();
576 this.creategeometry();
577 this.creatematerial();
578 return this;
579 },
580
581 createmesh: function (){
582 let o = {
583 exportgltf: ()=>{this.hc.three.exportergltf(this.newmesh);},
584 addmesh: ()=>{this.hc.geometry.gotoposition();},
585 removemesh: ()=>{this.hc.remove(this.newmesh);},
586 getbsp: "intersect",
587 rungetbsp: ()=>{
588 let meshb = this.hc.targets[0].mesh;
589 if(this.newmesh === meshb) meshb = this.hc.targets[1].mesh;
590 let result = this.hc.three.getbsp(this.newmesh, meshb, o.getbsp);
591 this.hc.geometry.importobject(result.geometry);
592 this.hc.isselecttargets = false;
593 }
594 }
595 let m = {
596 visible: this.newmesh.visible,
597 frustumculled: this.newmesh.frustumculled,
598 castshadow: this.newmesh.castshadow,
599 receiveshadow: this.newmesh.receiveshadow,
600 }
601
602 this.gui.create(m, true).name({visible: "显示物体", castshadow: "投射阴影", receiveshadow: "接收阴影"})
603 .change({
604 visible: ()=>{
605 if(this.newmesh.visible === undefined) return;
606 this.newmesh.visible = m.visible;
607 this.hc.update();
608 },
609 frustumculled: ()=>{
610 if(this.newmesh.frustumculled === undefined) return;
611 this.newmesh.frustumculled = m.frustumculled;
612 this.hc.update();
613 },
614 castshadow: ()=>{
615 if(this.newmesh.castshadow === undefined) return;
616 this.newmesh.castshadow = m.castshadow;
617 this.hc.update();
618 },
619 receiveshadow: ()=>{
620 if(this.newmesh.receiveshadow === undefined) return;
621 this.newmesh.receiveshadow = m.receiveshadow;
622 this.hc.update();
623 }
624 })
625
626 .add(o, {getbsp:[["交集", "intersect"], ["并集", "union"], ["差集", "subtract"]]}, true)
627 .name({exportgltf: "导出物体", addmesh: "添加物体", removemesh: "移除物体", getbsp: "布尔运算类型(选择一个物体)", rungetbsp: "布尔运算"})
628 .change({
629 getbsp: (e)=>{o.getbsp = e.target.value;}
630 })
631
632 .title("物体-"+this.newmesh.type+"-"+this.newmesh.id);
633 },
634
635 creategeometry: function (){
636 if(this.oldmesh.geometry.parameters === undefined){console.log("setview: 忽略了geometry"); return;}
637 let o, p = {}, geo;
638 for(let k in this.oldmesh.geometry.parameters){p[k] = this.oldmesh.geometry.parameters[k];}
639 switch(this.oldmesh.geometry.type){
640
641 case "boxgeometry":
642 o = {
643 width:[0.1, 10, 0.1],
644 height:[0.1, 10, 0.1],
645 depth:[0.1, 10, 0.1],
646 widthsegments:[1, 30, 1],
647 heightsegments:[1, 30, 1],
648 depthsegments:[1, 30, 1]
649 }
650 this.gui.create(p, o, true)
651 .name({width: "宽度", height: "高度", depth: "深度", widthsegments: "宽段数", heightsegments: "高段数", depthsegments: "深段数"})
652 .change(()=>{
653 geo = new three.boxgeometry(p.width, p.height, p.depth, p.widthsegments, p.heightsegments, p.depthsegments);
654 this.hc.three.updategeometry(this.newmesh, geo);
655 this.hc.update();
656 });
657
658 break;
659
660 case "spheregeometry":
661 o = {
662 radius:[0.1, 10, 0.1],
663 widthsegments:[1, 30, 1],
664 heightsegments:[1, 30, 1],
665 phistart:[0, math.pi*2, 0.1],
666 philength:[0, math.pi*2, 0.1],
667 thetastart:[0, math.pi*2, 0.1],
668 thetalength:[0, math.pi*2, 0.1]
669 }
670 this.gui.create(p, o, true)
671 .name({radius: "半径", widthsegments: "宽段数", heightsegments: "高段数", phistart: "经线起始角度", philength: "经线起始角度大小", thetastart: "纬线起始角度", thetalength: "纬线起始角度大小",})
672 .change(()=>{
673 geo = new three.spheregeometry(p.radius, p.widthsegments, p.heightsegments, p.phistart, p.philength, p.thetastart, p.thetalength);
674 this.hc.three.updategeometry(this.newmesh, geo);
675 this.hc.update();
676 });
677
678 break;
679
680 case "planegeometry":
681 o = {
682 width: [1, 100, 0.1],
683 height: [1, 100, 0.1],
684 widthsegments: [1, 30, 1],
685 heightsegments: [1, 30, 1]
686 }
687 this.gui.create(p, o, true)
688 .name({width: "宽度", height: "高度", widthsegments: "宽段数", heightsegments: "高段数"})
689 .change(()=>{
690 geo = new three.planegeometry(p.width, p.height, p.widthsegments, p.heightsegments);
691 this.hc.three.updategeometry(this.newmesh, geo);
692 this.hc.update();
693 });
694 break;
695
696 default : break;
697 }
698 this.gui.title("几何体-"+this.newmesh.geometry.type+"-"+this.newmesh.id);
699 },
700
701 creatematerial: function (){
702 let mat = this.newmesh.material;
703 let o = {
704 color: "#" + mat.color.gethexstring(),
705 emissive: mat.emissive === undefined ? "#000000" : "#" + mat.emissive.gethexstring(),
706 updatematerial: ()=>{this.hc.material.gotoposition(this.newmesh);},
707 updatetexture: ()=>{this.hc.texture.gotoposition(this.newmesh);}
708 }
709 let m = {
710 wireframe: mat.wireframe,
711 visible: mat.visible,
712 side: mat.side,
713 fog: mat.fog,
714 aomapintensity: mat.aomapintensity,
715 colorwrite: mat.colorwrite,
716 transparent: mat.transparent,
717 opacity: mat.opacity,
718 alphatest: mat.alphatest,
719 flatshading: mat.flatshading,
720 emissiveintensity: mat.emissiveintensity === undefined ? 0 : mat.emissiveintensity,
721 repeatu: 1,
722 repeatv: 1,
723 anisotropy: 1
724 }
725
726 let num = {
727 aomapintensity: [0, 1, 0.1],
728 opacity: [0, 1, 0.1],
729 alphatest: [0, 1, 0.1],
730 emissiveintensity: [0, 1, 0.1],
731 repeatu: [1, 100, 1],
732 repeatv: [1, 100, 1],
733 anisotropy: [1, this.hc.renderer.capabilities.getmaxanisotropy() || 2, 1]
734 };
735 let sel = {
736 side: [["外面", three.frontside], ["里面", three.backside], ["双面", three.doubleside]]
737 };
738 let name = {
739 wireframe:"网格模式",
740 visible:"显示材质",
741 side: "材质显示那一面",
742 fog: "受雾气影响",
743 aomapintensity: "遮挡效果",
744 colorwrite: "渲染颜色",
745 transparent: "渲染透明度",
746 opacity: "透明度",
747 alphatest: "alpha值",
748 flatshading: "平面着色",
749 emissiveintensity: "放射光强度",
750 repeatu: "重复量,纹理u面",
751 repeatv: "重复量,纹理v面",
752 anisotropy: "纹理清晰度"
753 };
754 let c = {
755 wireframe: ()=>{if(this.newmesh.material.wireframe === undefined){this.gui.showstop("wireframe", m); return;}else{this.gui.showstop("wireframe", m, false);} this.newmesh.material.wireframe = m.wireframe; this.hc.update();},
756 visible: ()=>{if(this.newmesh.material.visible === undefined){this.gui.showstop("visible", m); return;}else{this.gui.showstop("visible", m, false);} this.newmesh.material.visible = m.visible; this.hc.update();},
757 side: (e)=>{if(this.newmesh.material.side === undefined){this.gui.showstop("side", m); return;}else{this.gui.showstop("side", m, false);} this.newmesh.material.side = eval(e.target.value); this.hc.update();},
758 fog: ()=>{if(this.newmesh.material.fog === undefined){this.gui.showstop("fog", m); return;}else{this.gui.showstop("fog", m, false);} this.newmesh.material.fog = m.fog; this.hc.update();},
759 aomapintensity: ()=>{if(this.newmesh.material.aomapintensity === undefined){this.gui.showstop("aomapintensity", m); return;}else{this.gui.showstop("aomapintensity", m, false);} this.newmesh.material.aomapintensity = m.aomapintensity; this.hc.update();},
760 colorwrite: ()=>{if(this.newmesh.material.colorwrite === undefined){this.gui.showstop("colorwrite", m); return;}else{this.gui.showstop("colorwrite", m, false);} this.newmesh.material.colorwrite = m.colorwrite; this.hc.update();},
761 transparent: ()=>{if(this.newmesh.material.transparent === undefined){this.gui.showstop("transparent", m); return;}else{this.gui.showstop("transparent", m, false);} this.newmesh.material.transparent = m.transparent; this.hc.update();},
762 opacity: ()=>{if(this.newmesh.material.opacity === undefined){this.gui.showstop("opacity", m); return;}else{this.gui.showstop("opacity", m, false);} this.newmesh.material.opacity = m.opacity; this.hc.update();},
763 alphatest: ()=>{if(this.newmesh.material.alphatest === undefined){this.gui.showstop("alphatest", m); return;}else{this.gui.showstop("alphatest", m, false);} this.newmesh.material.alphatest = m.alphatest; this.hc.update();},
764 flatshading: ()=>{if(this.newmesh.material.flatshading === undefined){this.gui.showstop("flatshading", m); return;}else{this.gui.showstop("flatshading", m, false);} this.newmesh.material.flatshading = m.flatshading; this.hc.update();},
765 emissiveintensity: ()=>{if(this.newmesh.material.emissiveintensity === undefined){this.gui.showstop("emissiveintensity", m); return;}else{this.gui.showstop("emissiveintensity", m, false);} this.newmesh.material.emissiveintensity = m.emissiveintensity; this.hc.update();},
766 repeatu: ()=>{if(this.newmesh.material.map === null){this.gui.showstop("repeatu", m); return;}else{this.gui.showstop("repeatu", m, false);} this.newmesh.material.map.repeat.set(m.repeatu, m.repeatv);this.hc.update();},
767 repeatv: ()=>{if(this.newmesh.material.map === null){this.gui.showstop("repeatv", m); return;}else{this.gui.showstop("repeatv", m, false);} this.newmesh.material.map.repeat.set(m.repeatu, m.repeatv); this.hc.update();},
768 anisotropy: ()=>{if(this.newmesh.material.map === null || (m.anisotropy !== 1 && (m.anisotropy / 2 % 1) !== 0)){this.gui.showstop("anisotropy", m); return;}else{this.gui.showstop("anisotropy", m, false);}this.newmesh.material.map.anisotropy = m.anisotropy;this.hc.update();},
769
770 };
771
772 this.gui.create(m, num, true, sel).name(name).change(c)
773
774 .add(o, true)
775 .name({color: "材质颜色", emissive: "放射光颜色", updatematerial: "替换材质", updatetexture: "替换纹理"})
776 .change({
777 color: (e)=>{if(this.newmesh.material.color === undefined){this.gui.showstop("color", o); return;}else{this.gui.showstop("color", o, false);} this.newmesh.material.color.set(e.target.value); this.hc.update();},
778 emissive: (e)=>{if(this.newmesh.material.emissive === undefined){this.gui.showstop("emissive", o); return;}else{this.gui.showstop("emissive", o, false);} this.newmesh.material.emissive.set(e.target.value); this.hc.update();}
779 })
780
781 .title("材质-"+this.newmesh.material.type+"-"+this.newmesh.id);
782 },
783
784 createglobal: function (){
785 let o = {
786 setmode: "translate",
787 exportall: ()=>{console.log("导出全部物体")},
788 updatematerialall: ()=>{console.log("替换全部材质")},
789 isgltf: true
790 }
791
792 let gui = new gui(this.hc.geometry, "show", "显示创建选项")
793
794 .add(o, true, {isgltf: [[".gltf", false], [".glb", true]], setmode: [["平移", "translate"], ["旋转", "rotate"], ["缩放", "scale"]]})
795 .name({exportall: "导出全部物体", updatematerialall: "替换全部材质", setmode: "控制模式", isgltf:"导出类型"})
796 .change({
797 isgltf: (e)=>{this.hc.three.exportgltffiletype = eval(e.target.value);},
798 setmode: (e)=>{this.hc.control.transform.setmode(e.target.value);}
799 })
800
801 .add(this.hc, true, ["locktarget", "isselecttargets"])
802 .name({locktarget: "锁定物体", isselecttargets: "选择物体"})
803 .change({
804 isselecttargets: ()=>{
805 if(this.hc.isselecttargets === false){
806 this.hc.removetargets();
807 }
808 },
809 locktarget: ()=>{
810 if(this.hc.locktarget === false){
811 this.hc.removetargets();
812 }
813 }
814 })
815
816 .title("global");
817 this.__proto__.globalgui = gui;
818 }
819
820 });
821
822
823
824 //main
825 var handcreate = function (){
826 this.three = new _three();
827 this.group = new three.group();
828 this.target = {};
829 this.isselecttargets = false;
830 this.targets = [];
831 this.backmesh = null;
832 this.locktarget = false;
833 this.scene = this.three.createscene([], false);
834 this.renderer = this.three.createrenderer(document.body, _width, _height, true, true, true, true);
835
836 }
837
838 object.assign(handcreate.prototype, {
839
840 constructor: handcreate,
841
842 init: function (){
843 this.intersects = {
844 raycaster: new three.raycaster(),
845 group: new three.group(),
846 vector2: new three.vector2(),
847 result: [],
848 camera: this.camera,
849 recursive: true,
850 x: 0,
851 y: 0,
852 };
853 this.renderer.domelement.style = "position:absolute; top:0; left:0";//如果不定位, gui的移动块会不正常显示
854 //this.renderer.localclippingenabled = true;//是否渲染 平面剪裁
855 this.camera = this.three.createcamera(45, _width, _height, _mindistance, _maxdistance * _mindistance * 0.2);
856 this.camera.position.set(0, _maxdistance * 0.001, _maxdistance * 0.001);
857 this.linghts = this.three.addlinghts(this.scene, this);
858 this.control = this.three.addcontrols(this.scene, this.camera, this.renderer, this.intersects.group.children);
859 this.control.drag.addeventlistener('hoveron', (e)=>{this.settarget(e.object);});
860
861 this.geometry = new _geometry().init();
862 this.geometry.targetchange = (v)=>{this.createobject(v);};
863 this.geometry.show = true;
864
865 this.material = new _material().init();
866
867 this.texture = new _texture().init();
868
869 this.gridhelper = new three.gridhelper(_maxdistance, _maxdistance/1);
870 this.scene.add(this.group, this.intersects.group, this.camera, this.gridhelper);
871
872 //this.clip = this.three.createclip();
873 //this.globalview();
874 //this.three.loadinggltf("img/gltfs/scene.gltf", this.intersects.group);
875 //this.three.loadinggltf("img/gltfs/scene.glb", this.intersects.group);
876 return this;
877 },
878
879 add: function (mesh, group){
880 if(!mesh) return;
881 let gro = group || this.intersects.group;
882 if(array.isarray(mesh) === true){
883 let k, len = mesh.length;
884 for(k; k < len; k++){
885 if(!mesh[k]) continue;
886 gro.add(mesh[k]);
887 }
888 }else{
889 gro.add(mesh);
890 }
891 this.update();
892 },
893
894 remove: function (mesh, group){
895 if(!mesh){console.log("remove: mesh不存在"); return;}
896 let arr = group || this.intersects.group;
897 if(!arr.remove){console.log("remove: group错误"); return;}
898 this.removetarget();
899 if(mesh.gui) mesh.gui.remove();
900 mesh.handcreate.sv.gui.remove();
901 if(mesh.material.map){mesh.material.map.dispose();}
902 mesh.material.dispose();
903 mesh.geometry.dispose();
904 arr.remove(mesh);
905 this.update();
906 },
907
908 update: function (){
909 this.three.render(this.scene, this.camera, this.renderer);
910 },
911
912 settarget: function (mesh){
913 if(this.isselecttargets === true){this.settargets(mesh);}
914 if(this.target.mesh === mesh || this.locktarget === true){return;}
915 if(mesh.handcreate === undefined || mesh.handcreate.sv === undefined){this.locktarget = true; console.log("settarget: mesh 错误,取消选择"); return;}
916
917 this.removetarget();
918
919 this.target.mesh = mesh;
920 this.control.transform.attach(mesh);
921 mesh.handcreate.sv.gui.display("block");
922 this.geometry.gotoposition();
923 this.update();
924 },
925
926 removetarget: function (){
927 if(!this.target.mesh) return;
928 this.control.transform.detach(this.target.mesh);
929 this.target.mesh.handcreate.sv.gui.display("none");
930 delete(this.target.mesh);
931 this.update();
932 },
933
934 settargets: function (mesh){
935 //if(this.targets.indexof(mesh) !== -1){return;}
936 for(let k = 0; k < this.targets.length; k ++){if(this.targets[k].mesh === mesh){return;}}
937 this.isselecttargets = true;
938 this.locktarget = true;
939 this.targets.push({mesh: mesh, color: mesh.material.color.gethex()});
940 mesh.material.color.set("red");
941 this.update();
942 },
943
944 removetargets: function (){
945 this.isselecttargets = false;
946 this.locktarget = false;
947 for(let k = 0; k < this.targets.length; k++){
948 this.targets[k].mesh.material.color.set(this.targets[k].color);
949 }
950 this.targets.length = 0;
951 this.update();
952 },
953
954 createobject: function (v){
955
956 let geo = ()=>{
957 let mesh = new three.mesh(v.geometry.clone(), v.material.clone());
958 mesh.material.transparent = true;
959 mesh.castshadow = true;
960 mesh.receiveshadow = true;
961 mesh.customdepthmaterial = new three.meshdepthmaterial({depthpacking: three.rgbadepthpacking});
962
963 mesh.handcreate = {
964 sv: new setview(this, mesh, v),
965 geoci: v.handcreate.index,
966 matci: v.handcreate.matindex,
967 texci: null
968 };
969
970 this.backmesh = mesh;
971 this.add(mesh);
972 this.settarget(mesh);
973 }
974
975 let mat = ()=>{
976 this.three.updatematerial(this.material.mesh, v.material);
977 this.material.mesh.handcreate.matci = v.handcreate.index;
978 this.update();
979 }
980
981 let tex = ()=>{
982 this.three.updatetexture(this.texture.mesh.material, v.material.map);
983 this.texture.mesh.handcreate.texci = v.handcreate.index;
984 this.update();
985 }
986
987 switch(v.handcreate.type){
988 case "_geometry": geo(); break;
989 case "_material": mat(); break;
990 case "_texture": tex(); break;
991 default: break;
992 }
993
994 }
995
996 });
997
998 //代理
999 /* this.forcreate = new proxy(new handcreate().init(), {
1000 get(o, k){
1001 return o[k];
1002 },
1003 set(o, k, v){
1004 o[k] = v;
1005 }
1006 }); */
1007
1008 this.forcreate = new handcreate().init();
1009
1010 }).call(this)
上一篇： 国美零售深耕新零售市场，国美零售全面实现战略化转型
下一篇： 微服务架构核心介绍