From: TimePath <andrew.hardaker1995@gmail.com>
Date: Sun, 19 Jun 2016 07:00:02 +0000 (+1000)
Subject: Vector: add a reflect function with bounce factor
X-Git-Tag: xonotic-v0.8.2~780
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=9bb4a3a6b4d0003fa58d090b368f7533cbee99c2;p=xonotic%2Fxonotic-data.pk3dir.git

Vector: add a reflect function with bounce factor
---

diff --git a/qcsrc/lib/vector.qh b/qcsrc/lib/vector.qh
index def1dae2d..adb6d6a95 100644
--- a/qcsrc/lib/vector.qh
+++ b/qcsrc/lib/vector.qh
@@ -116,6 +116,14 @@ vector reflect(vector dir, vector norm)
 	return dir - 2 * (dir * norm) * norm;
 }
 
+/**
+ * clip vel along the plane defined by norm (assuming 0 distance away), bounciness determined by bounce 0..1
+ */
+vector vec_reflect(vector vel, vector norm, float bounce)
+{
+	return vel - (1 + bounce) * (vel * norm) * norm;
+}
+
 #ifndef MENUQC
 	vector get_corner_position(entity box, int corner)
 	{