fix: 加了边框

src/sdk/cover/index.js

@@ -18,6 +18,61 @@ const ModelTypes = {
     8 : {name:'动画模型'}
 }
 
+function modelAddEdge(model){//没有贴图的模型加线框
+    if(model.props.raw.type != 3)return
+    let ifHasMap 
+    setTimeout(()=>{
+        model.traverse(mesh=>{
+            if(mesh.material?.map) {
+                ifHasMap = true 
+                return {stopContinue:true}
+            }  
+        })
+        
+        let changeMat = (oldMat)=>{
+            let mat
+            if( !(oldMat instanceof THREE.MeshStandardMaterial)){
+                mat = new THREE.MeshStandardMaterial()
+                mat.roughness = 0.9
+                mat.metalness = 0.3
+            }    
+            if(mat != oldMat)oldMat.dispose()
+            //纯色的还是不能用BasicMaterial
+            return mat
+        }
+        
+        ifHasMap || model.traverse(mesh=>{
+            if(mesh.isMesh){ 
+                let edge = new THREE.LineSegments(
+                    new THREE.EdgesGeometry(mesh.geometry),
+                    new THREE.LineBasicMaterial({ color: 0x333333 ,
+                        polygonOffset: true,    //是否开启多边形偏移  
+                        polygonOffsetFactor:  -5, //多边形偏移因子 负值会使边线稍微靠近相机
+                        polygonOffsetUnits: -4.0, //多边形偏移单位      
+                    })
+                    )
+                edge.renderOrder = 20    
+                edge.name = '手动加的线框'
+                mesh.add(edge) 
+                edge.scale.copy(mesh.scale)
+                edge.rotation.copy(mesh.rotation)
+                edge.position.copy(mesh.position)
+                
+                //最好用这个outline  https://threejs.org/examples/?q=edge#webgl_postprocessing_sobel
+                
+                if(mesh.material instanceof Array){//obj
+                    mesh.material = mesh.material.map(m=>changeMat(m))
+                }else{
+                    mesh.material = changeMat(mesh.material)
+                }
+            }
+        })
+    
+        
+        
+    },100)
+    
+}
 
 
 
@@ -1140,6 +1195,12 @@ export const enter = ({ dom, mapDom, isLocal, lonlat, scenes, laserRoot, laserOS
                     bus.emit('changeSelect', !!e.selected)
                 })
                 let lastState = {}
+                
+                //-----------加线框------
+                modelAddEdge(model)
+                
+                
+                //-----------------------
                 model.addEventListener('transformChanged', (e) => {
                     let msg = {byControl:!!e.byControl}  //byControl代表是手动用控制轴修改 动画文件要改帧
                     if (!lastState.position || !model.position.equals(lastState.position)) {
@@ -2467,7 +2528,7 @@ export const enter = ({ dom, mapDom, isLocal, lonlat, scenes, laserRoot, laserOS
         Potree.Log(`--开始加载--`, { font: { color: '#f68' } });
         console.log('id:', prop.id, ', title:', prop.title, ', filename:', Potree.Common.getNameFromURL(prop.url), ', type:', prop.type, prop)
 
-        prop.unlit = prop.renderType != 'normal'
+        prop.unlit = prop.renderType != 'normal'  
         prop.maximumScreenSpaceError = 70
         prop.prefix = prop.raw.prefix 
         /* laserRoot != void 0 && (prop.prefix = laserRoot) //prefix for getdataset