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From George Papagiannakis, added extra Quat length to catch case

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