Grid resolution (must be power of two): 256
Number of particles: 200000
Timestep: 0.1
Colouring ([N]one,[B]lues,[V]elocity): B
Other plots (Y/N): N
Try these parameters: (64,10000,0.1) - fast animation; (128,50000,0.1) - medium accuracy; (256,200000,0.1) - for powerful computers
