Photon geodesics around
spinning black hole



● blueshift  ● redshift
r / rg
mode
photons (N) 18
beam angle ° 0
fire rate /s 1.0
cannon r 8.0
cannon φ ° 0
launch angle ° 90
trail length 700
spin a/M 0.90
Δλ (accuracy) 0.010
steps/frame 3
target fps 60