# some noise walls: (range [0.5, 0.65])
src_dst 2 2
   fill_noise 5 1.5 0.1
   map_range 0 0.5  0 0
   map_range 0.65 1  0 0

# draw the noise walls as spheres:
src_dst 2 1
   src_blend 1
   spheres 2 0.4

# draw some bright spheres
# with an outer hull and an inner one (0.92, 0.95)
src_dst 3 3; src_blend 0; fill 0.92
src_dst 3 0; src_blend 1; spheres 3 0.2
src_dst 3 3; src_blend 0; fill 0.95
src_dst 3 0; src_blend 1; spheres 3 0.7

# draw some more spheres: (range 0-0.15)
src_dst 0 0
   src_blend 0
   spheres 2 0.2
   map_range 0.15 0.9 0 0 # make em hollow

# blend in the noise walls in sphere form:
src_dst 1 0
   src_blend 1
   src_range 0.0001 1
   fill

   #show_range_sector_type C4 2