Class MeasureThreePointAngleSVG
		 
	 
	
		
			
				Hierarchy
				
					- 
						MeasureThreePointAngleSVG
					
Constructors
				
					
					constructor
					
					
						- 
							
							Parameters
								- 
									
								
- 
									isLoop: boolean = false
- 
									precision: number = 2
 
Properties
				
				
					
					Optional assistRuntimeLine
					assistRuntimeLine: Line
					
				
				
				
					
					dashLineStyle
					dashLineStyle: string
					
				
				
				
				
				
					
					lineColor
					lineColor: string
					
				
				
					
					lineWidth
					lineWidth: number
					
				
				
				
					
					pointColor
					pointColor: string
					
				
				
					
					precision
					precision: number
					
				
				
				
					
					svgPointAry
					svgPointAry: Circle[]
					
				
				
			
			
				Methods
				
					
					calcAngle
					
					
						- 
							
							
							ParametersReturns number三点形成的度数 
choosePoint
					
					
						- 
							
							ParametersReturns Promise<void>
getSnapPoint
					
						- getSnapPoint(): undefined | Vector3
onMousemove
					
					
						- 
							
							ParametersReturns Promise<void>
updatePrecision
					
						- updatePrecision(precision: number): void
vector3AryToNumAry
					
						- vector3AryToNumAry(vec3Ary: Vector3[]): number[]
						- 
							
							ParametersReturns number[]
 
		
	 
 
 
计算三点形成的夹角度数