Sets the radius of your shadow
The default value is nil, which means to use the vanilla default of 0.5 for players
The maximum value is 12
  overload 1:
                        
renderer:setShadowRadius()  
  | Method Property |  Fluent Description |  Representation | 
 | Return Value |  nil |     |    
 
        overload 2:
                        
renderer:setShadowRadius(radius)  
  | Method Property |  Fluent Description |  Representation | 
 | radius accepts |  a Number |     |    
| Return Value |  nil |     |