From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Fri, 7 Oct 2005 12:56:54 +0000 (+0000)
Subject: fix a stupid bug in line/sphere collision code (was using sqrt where it shouldn't)
X-Git-Tag: xonotic-v0.1.0preview~4551
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=a038c55b7cf69f173993a4301c653efc017657d8;p=xonotic%2Fdarkplaces.git

fix a stupid bug in line/sphere collision code (was using sqrt where it shouldn't)


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@5731 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/collision.c b/collision.c
index 30f4d766..4dc31a9d 100644
--- a/collision.c
+++ b/collision.c
@@ -1097,7 +1097,7 @@ float Collision_ClipTrace_Line_Sphere(double *linestart, double *lineend, double
 	if (deviationdist > sphereradius*sphereradius)
 		return 1; // miss (off to the side)
 	// nudge back to find the correct impact distance
-	impactdist += (sqrt(deviationdist) - sphereradius);
+	impactdist += deviationdist - sphereradius;
 	if (impactdist >= linelength)
 		return 1; // miss (not close enough)
 	if (impactdist < 0)