From George Papagiannakis, added extra Quat length to catch case

where length is zero.
2004-09-13 14:33:41 +00:00 · 2004-09-13 14:33:41 +00:00 · 63f8935afb
commit 63f8935afb
parent b664c20c74
1 changed files with 1 additions and 1 deletions
--- a/src/osg/Matrix_implementation.cpp
+++ b/src/osg/Matrix_implementation.cpp
@ -66,7 +66,7 @@ void Matrix_implementation::set(const Quat& q_in)
 {
    Quat q(q_in);
    double length2 = q.length2();
-    if (length2!=1.0)
+	if (length2!=1.0 && length2!=0)
    {
        // normalize quat if required.
        q /= sqrt(length2);