From 7719cf27fa154749e617aebeafa49b2698692bba Mon Sep 17 00:00:00 2001
From: James R <justsomejames2@gmail.com>
Date: Sun, 11 Sep 2022 07:08:10 -0700
Subject: [PATCH] Remedy some quirky rendering of hitboxes if your viewpoint is
 too close

It's not correct but it's better than before.
---
 src/r_bbox.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/r_bbox.c b/src/r_bbox.c
index d5d2bf77c..969aeacff 100644
--- a/src/r_bbox.c
+++ b/src/r_bbox.c
@@ -82,8 +82,13 @@ draw_bbox_col
 {
 	struct bbox_col *col = &bb->col[p];
 
-	fixed_t xscale = FixedDiv(projection[viewssnum], ty);
-	fixed_t yscale = FixedDiv(projectiony[viewssnum], ty);
+	fixed_t xscale, yscale;
+
+	if (ty < FRACUNIT) // projection breaks down here
+		ty = FRACUNIT;
+
+	xscale = FixedDiv(projection[viewssnum], ty);
+	yscale = FixedDiv(projectiony[viewssnum], ty);
 
 	col->x = (centerxfrac + FixedMul(tx, xscale)) / FRACUNIT;
 	col->y = (centeryfrac - FixedMul(bb->tz, yscale));