Merge pull request CedricGuillemet#209 from VictorFouquet/fix_normalize

Fix division by zero in normalize when view and model matrices are identity
nProtect · Nov 7, 2021 · 82a626f · 82a626f
2 parents 7c16cac + 0a0268b
commit 82a626f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ImGuizmo.cpp b/ImGuizmo.cpp
@@ -224,7 +224,7 @@ namespace IMGUIZMO_NAMESPACE
       const vec_t& operator + () const { return (*this); }
       float Length() const { return sqrtf(x * x + y * y + z * z); };
       float LengthSq() const { return (x * x + y * y + z * z); };
-      vec_t Normalize() { (*this) *= (1.f / Length()); return (*this); }
+      vec_t Normalize() { (*this) *= (1.f / ( Length() > FLT_EPSILON ? Length() : FLT_EPSILON ) ); return (*this); }
       vec_t Normalize(const vec_t& v) { this->Set(v.x, v.y, v.z, v.w); this->Normalize(); return (*this); }
       vec_t Abs() const;