Get angle (in unit of rad) value of this and x
Get angle (in unit of rad) value of this and x
compare unit
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      (Since version ) see corresponding Javadoc for more information.
Which can get angle between this to T (use rad as unit) Commonly, we use classOf[this] as T for symmetry
Type of the object to compare