From 656c3535ca09aa26ba15072feaf798b16fa047e4 Mon Sep 17 00:00:00 2001 From: "Dr. Jaska" Date: Sun, 28 May 2023 03:05:11 +0000 Subject: [PATCH] fov calculating python script --- misc/tools/fov-calc.py | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100755 misc/tools/fov-calc.py diff --git a/misc/tools/fov-calc.py b/misc/tools/fov-calc.py new file mode 100755 index 00000000..84d3bd5e --- /dev/null +++ b/misc/tools/fov-calc.py @@ -0,0 +1,38 @@ +#!/usr/bin/python3 + +import math +import argparse + + +def calculate_fov(fov, horizontal, vertical, viewzoom): + viewzoom_multiplier = 1 / viewzoom + frustumy = math.tan(fov * math.pi / 360) * 0.75 * viewzoom_multiplier + frustumx = frustumy * horizontal / vertical + + fovx = math.atan2(frustumx, 1) / math.pi * 360 + fovy = math.atan2(frustumy, 1) / math.pi * 360 + + print(fov, "degrees of hfov with 4:3 resolution (unstretched without black bars) actually gives:") + print("Horizontal FOV =", fovx) + print("Vertical FOV =", fovy) + + +if __name__ == "__main__": + parser = argparse.ArgumentParser(description='Process in-game fov cvars to horizontal and vertical degrees.') + parser.add_argument('fov', type=float, + help="in-game fov cvar, degrees of hfov with 4:3 resolution, required field") + parser.add_argument('horizontalAspectRatio', type=float, default=16, nargs='?', + help="Horizontal num of the aspect ratio, for 16:9 that is 16, default: 16") + parser.add_argument('verticalAspectRatio', type=float, default=9, nargs='?', + help="Vertical num of the aspect ratio, for 16:9 that is 9, default: 9") + parser.add_argument('viewzoom', type=float, default=1, nargs='?', + help="Zoom amount, default: 1 / no zoom") + args = parser.parse_args() + + if (args.fov < 1 or args.fov > 170): + print("WARNING: Xonotic's fov is currently restricted between 1 and 170, calculations might be broken with this number.") + if (args.viewzoom < 1 or args.viewzoom > 30): + print("WARNING: Xonotic's zoom is currently restricted between 1 and 30, calculations might be broken with this number.") + + calculate_fov(args.fov, args.horizontalAspectRatio, args.verticalAspectRatio, args.viewzoom) + -- 2.39.2