Hierarchical N-body solver
Fast Multipole Gravity Lab
Softened Newtonian gravity on an adaptive quadtree — far fields via Taylor jets, near fields exact.
M2M → M2L → L2L → P2P
Solver telemetry
Particles
–
FPS
–
FMM solve
–
Tree nodes
–
M2L pairs
–
Sample error
–
Click to inject a particle cloud · Shift-click to add a massive body ·
Space
pauses