A ball of particles on a cubic lattice
cluster_ball(N, R0 = 15, a = 1, b = 1, c = b)
list of class cluster with fields: positions, sizes, angles
Identical particles fill a sphere with a cubic lattice
Other user_level cluster: cluster_array
,
cluster_chain
, cluster_dimer
,
cluster_helix
, cluster_shell
,
cluster_single
b = cluster_ball(100)#>