public int getRadialSamples() {
        return radialSamples;
    }
Constructs a sphere. Additional arg to evenly space latitudinal slices

@param zSamples
           The number of samples along the Z.
@param radialSamples
           The number of samples along the radial.
@param radius
           The radius of the sphere.
@param useEvenSlices
           Slice sphere evenly along the Z axis
@param interior
           Not yet documented
jme3-core/src/main/java/com/jme3/scene/shape/Sphere.java