Param
Shift
= starting point
= J
= E
= sign (inwards or outwards)
= lambda
iterations
Schwarzschild Kruskal Szekeres Penrose of Schwarzschild
= Schwarzschild zoom
= KS zoom
= Penrose zoom
apply
Once around the black hole: 10 rainbows
Author: Tobias Beran. Licensed under MIT license. Using protobis lambertw functions for inverting turtle coordinate
Converge to photon sphere
orbit here
click position input off
click velocity input off, with dφ/ds=