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Added Identity Matrix optimization

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Former-commit-id: c426c3098659f9cf74fd7da33cadabe38a158358
This commit is contained in:
Lynix
2013-05-30 02:58:20 +02:00
parent b3f60e90fd
commit 465a7c246d
2 changed files with 88 additions and 4 deletions
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11
include/Nazara/Math/Matrix4.hpp
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@@ -53,6 +53,7 @@ class NzMatrix4
NzMatrix4& InverseAffine(bool* succeeded = nullptr);
bool IsAffine() const;
bool IsIdentity() const;
NzMatrix4& MakeIdentity();
NzMatrix4& MakeLookAt(const NzVector3<T>& eye, const NzVector3<T>& target, const NzVector3<T>& up = NzVector3<T>::Up());
@@ -117,10 +118,12 @@ class NzMatrix4
static NzMatrix4 Transform(const NzVector3<T>& translation, const NzQuaternion<T>& rotation, const NzVector3<T>& scale);
static NzMatrix4 Zero();
T m11, m12, m13, m14,
m21, m22, m23, m24,
m31, m32, m33, m34,
m41, m42, m43, m44;
private:
T m11, m12, m13, m14,
m21, m22, m23, m24,
m31, m32, m33, m34,
m41, m42, m43, m44;
mutable bool m_isIdentity;
};
template<typename T> std::ostream& operator<<(std::ostream& out, const NzMatrix4<T>& matrix);