; REM: the main menu's black hole scene (one of the intro scenes picked at random at start-up).
; The renderer traces it through the Schwarzschild metric onto the room scene's empty sky; where it
; cannot (HDR off, MSAA, an older renderer), the menu shows one of the other scenes instead.
[BlackHole]
base = Intro5_Base
; the hole in the scene (Scripts\Intro\intro_blackhole.thn), m
pos = 4300, 500, -24000
; its event horizon (Schwarzschild radius), m -- the camera is 24 of them away
schwarzschild_radius = 1000
; the accretion disk: its normal and a reference axis in its plane; inner (the innermost stable
; orbit is 3) and outer radius in Schwarzschild radii
disk_normal = 0.10, 0.985, 0.14
disk_axis = 1, 0, 0
disk_radii = 3, 15
; emission scale, peak temperature (K), relativistic beaming (0 off .. 1 physical)
disk_brightness = 1.0
disk_temperature = 6500
doppler = 1.0
; the lensed star field and galaxy band behind it
sky_brightness = 1.0
galaxy = 0.3, 0.8
; the disk's angular speed at its inner edge, rad/s (outwards it slows as r^-1.5)
disk_spin = 0.35