# File rdoc-sources/FXSphered.rb, line 58
    def includeInRadius!(box);

    # Include the sphere _sphere_ (an FXSphered instance) into this sphere and return self.
    def include!(sphere); end
    
    # Intersect this sphere with the plane <em>ax+by+cz+w</em> and return -1, 0 or +1.
    # Here, _plane_ is an FXVec4d instance describing the plane.
    def intersect(plane); end
    
    # Expand radius to include sphere (an FXSphered instance) and return self.
    def includeInRadius!(sphere); end
    
    # Return +true+ if this sphere intersects the ray between points _u_ and _v_
    # (both FXVec3d instances).
    def intersects?(u, v); end
    
    # Return +true+ if this sphere overlaps with _box_ (an FXRanged instance).
    def overlaps?(box); end
    
    # Return +true+ if this sphere overlaps with another sphere.
    def overlaps?(sphere); end
  end