M1 (red):
1375
M2 (blue):
500
Separation:
195
Speed (×circ):
0.80
Proximity threshold:
150
Boost:
1.0
Aperture (deg):
1.5°
Time scale:
5.0
Max particles:
12000
Spawn/sec:
12
Donor mode
Manual: M1 → M2
Manual: M2 → M1
Auto: lighter → heavier
Roche-lobe overflow
Flow mode
Accretion (toward accretor)
Jets (away from accretor)
Bipolar (emit both poles)
Secondary stream too
Restart
Top–Down
Tip: “Roche-lobe” uses Eggleton’s formula; radius ∝ m^{1/3}.
Mass/Proximity color
close ↔ far (red→yellow→green→cyan)