egkk_blastscreen.ac range 0 25000 0.4 0.8 10 select blastscreenXNight blastscreenX /sim/time/sun-angle-rad 1.57 alpha-test blastscreenX 0.001 translate blastscreenX 20.36691 -18.026941 4.119775 8.536266 billboard blastscreenX true dist-scale blastscreenX 0 500 16000