1

src/custom/objects/tool/Measure.js

@@ -102,6 +102,7 @@ export class Measure extends ctrlPolygon{
             this.add(this.areaLabel) 
         }
         
+       
 		 
         //add:
         if(this.atPlane || this.faceDirection){ //是一个平面上的话
@@ -341,7 +342,28 @@ export class Measure extends ctrlPolygon{
                 let tan = pTop.distanceTo(projectPos) / pBtm.distanceTo(projectPos)
                 let angle = Math.atan(tan);
            
-                this.shouldShowHorVerGuide = angle > guideShowMinAngle.min && angle < guideShowMinAngle.max    
+                this.shouldShowHorVerGuide = angle > guideShowMinAngle.min && angle < guideShowMinAngle.max
+
+ 
+                if(this.showAngleToGround){ 
+                    let deg = math.toPrecision(THREE.Math.radToDeg(angle), 2) + '°' 
+                    this.angleToGroundLabel.setText(deg)
+                    let vec1 = new THREE.Vector3().subVectors(pTop,pBtm).normalize()
+                    let vec2 = new THREE.Vector3().subVectors(projectPos,pBtm).normalize()
+                    let midVec = new THREE.Vector3().addVectors(vec1,vec2).normalize()  
+                    //this.angleToGroundLabel.lineDir = midVec 
+                    this.angleToGroundLabel.setPos(new THREE.Vector3().addVectors(pBtm, midVec.clone().multiplyScalar(0.15) ))
+                     //  最好是让label垂直于midVec然后transform2Dpercent向上，这样无论向左看向右看都可以，但字斜着不直观
+               
+                    
+                    //绘制夹角弧线（省略成直线）
+                    let midDis = 0.1
+                    let sideLen = midDis * Math.cos(angle / 2)
+                    let p1 = new THREE.Vector3().addVectors(pBtm, vec1.multiplyScalar(sideLen))  
+                    let p2 = new THREE.Vector3().addVectors(pBtm, vec2.multiplyScalar(sideLen))  
+                    LineDraw.updateLine(this.angleLine, [p1, p2]) 
+                    this.angleLine.visible = this.angleToGroundLabel.visible = this.shouldShowHorVerGuide
+                } 
             }
             
             
@@ -352,6 +374,7 @@ export class Measure extends ctrlPolygon{
             
             this.verGuideEdge.visible = this.horGuideEdge.visible = this.shouldShowHorVerGuide
             this.verEdgeLabel.visible = this.horEdgeLabel.visible = this.shouldShowHorVerGuide
+            
         }
          
         
@@ -826,6 +849,10 @@ export class Measure extends ctrlPolygon{
         
         if(!this.horVerShowAlways && !ignoreGuideLine && this.measureType == 'Distance'){
             this.horEdgeLabel.visible = this.verEdgeLabel.visible = this.horGuideEdge.visible = this.verGuideEdge.visible = !!(state && this.shouldShowHorVerGuide)
+        
+            if(this.showAngleToGround){
+                this.angleToGroundLabel.visible = this.angleLine.visible = !!(state && this.shouldShowHorVerGuide) 
+            }
         }
     }
     
@@ -995,7 +1022,17 @@ export class Measure extends ctrlPolygon{
         this.verEdgeLabel = this.createEdgeLabel('verGuideEdge')  
         this.horEdgeLabel = this.createEdgeLabel('horGuideEdge') 
 
-        
+
+        if(this.showAngleToGround){
+            this.angleToGroundLabel = new TextSprite(
+                $.extend({}, subLabelProp, {  
+                    sizeInfo: labelSizeInfo,  name:'angleToGroundLabel',  transform2D:null
+                })
+            )
+            this.angleLine = LineDraw.createFatLine([ ],{mat:this.getMat('angle')} )
+            this.add(this.angleToGroundLabel)
+            this.add(this.angleLine)
+        }
     }
     
     createEdgeLabel(name, hasHoverEvent){
@@ -1086,6 +1123,10 @@ export class Measure extends ctrlPolygon{
                     dashed: true,
                     lineWidth: config.measure.lineWidth/2  
                 })), 
+                angle: LineDraw.createFatLineMat($.extend({},lineDepthInfo,{ 
+                    color:config.measure.guide.color,  
+                    lineWidth: config.measure.lineWidth/2  
+                })), 
                 multiColors:{}
             }  
             {