From 4686d10f415db72958895115c1d052642fe62085 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Thu, 20 Oct 2022 17:05:44 +0200
Subject: [PATCH] - zero the velocity of crunched sprites.

Since their size is zeroed, they are no longer subject to collision detection and may slide out of the level otherwise.
---
 src/playsim/p_mobj.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/playsim/p_mobj.cpp b/src/playsim/p_mobj.cpp
index 46d6c26676..019f945042 100644
--- a/src/playsim/p_mobj.cpp
+++ b/src/playsim/p_mobj.cpp
@@ -1186,6 +1186,7 @@ bool AActor::Grind(bool items)
 			flags3 |= MF3_DONTGIB;
 			Height = 0;
 			radius = 0;
+			Vel.Zero();
 			return false;
 		}
 
@@ -1212,6 +1213,7 @@ bool AActor::Grind(bool items)
 			flags3 |= MF3_DONTGIB;
 			Height = 0;
 			radius = 0;
+			Vel.Zero();
 			SetState (state);
 			if (isgeneric)	// Not a custom crush state, so colorize it appropriately.
 			{
@@ -1248,6 +1250,7 @@ bool AActor::Grind(bool items)
 				flags3 |= MF3_DONTGIB;
 				Height = 0;
 				radius = 0;
+				Vel.Zero();
 				return false;
 			}