From 59fbee7ecec6bb26f21eda50ad19ee80dff90177 Mon Sep 17 00:00:00 2001
From: Greg Wiatroski <gregwia@users.sourceforge.net>
Date: Fri, 4 Mar 2005 18:25:44 +0000
Subject: [PATCH] added util function for adding lists by value

---
 direct/src/showbase/PythonUtil.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/direct/src/showbase/PythonUtil.py b/direct/src/showbase/PythonUtil.py
index ed9c09aaae..e9c92223c9 100644
--- a/direct/src/showbase/PythonUtil.py
+++ b/direct/src/showbase/PythonUtil.py
@@ -747,6 +747,16 @@ def average(*args):
         val += arg
     return val / len(args)
 
+def addListsByValue(a, b):
+    """
+    returns a new array containing the sums of the two array arguments
+    (c[0] = a[0 + b[0], etc.)
+    """
+    c = []
+    for x, y in zip(a, b):
+        c.append(x + y)
+    return c
+
 def boolEqual(a, b):
     """
     returns true if a and b are both true or both false.