xx = 0;
yy = 0;
xxspeed = 0.5;
yyspeed = 0.25;
image_alpha = 0.25;
sprite_index = spr_labfog;
if (room == room_truelab_fan)
    image_alpha = 0.6;
if (room == room_truelab_cooler)
    image_alpha = 1;
if (global.flag[490] == 1)
    image_alpha = 0;