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SGVec3.hxx: Fix a problem in perpendicular triangle computation.
	Solves problem with invalid triangles in ground picking ...
This commit is contained in:
frohlich
2007-05-18 07:29:37 +00:00
parent f7c6a5bfa2
commit b4f7ff29ef
1 changed files with 2 additions and 2 deletions
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4
simgear/math/SGVec3.hxx
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@@ -379,10 +379,10 @@ perpendicular(const SGVec3<T>& v)
if (absv2 < absv1 && absv3 < absv1) {
T quot = v(1)/v(0);
return (1/sqrt(1+quot*quot))*SGVec3<T>(quot, -1, 0);
} else if (absv1 < absv2 && absv3 < absv2) {
} else if (absv3 < absv2) {
T quot = v(2)/v(1);
return (1/sqrt(1+quot*quot))*SGVec3<T>(0, quot, -1);
} else if (absv1 < absv3 && absv2 < absv3) {
} else if (SGLimits<T>::min() < absv3) {
T quot = v(0)/v(2);
return (1/sqrt(1+quot*quot))*SGVec3<T>(-1, 0, quot);
} else {