125 lines
4.6 KiB
C++
125 lines
4.6 KiB
C++
#ifndef __SCOP_MAT4__
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#define __SCOP_MAT4__
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#include <cstddef>
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#include <limits>
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#include <string>
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#include <Maths/Angles.h>
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namespace Scop
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{
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template<typename T> struct Vec2;
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template<typename T> struct Vec3;
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template<typename T> struct Vec4;
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template<typename T> struct Quat;
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template<typename T>
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struct Mat4
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{
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T m11, m12, m13, m14;
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T m21, m22, m23, m24;
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T m31, m32, m33, m34;
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T m41, m42, m43, m44;
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constexpr Mat4() = default;
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constexpr Mat4(T r11, T r12, T r13, T r14,
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T r21, T r22, T r23, T r24,
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T r31, T r32, T r33, T r34,
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T r41, T r42, T r43, T r44);
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constexpr Mat4(const T& col_1, const T& col_2, const T& col_3, const T& col_4);
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constexpr Mat4(const Vec4<T>& col_1, const Vec4<T>& col_2, const Vec4<T>& col_3, const Vec4<T>& col_4);
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constexpr Mat4(const T matrix[16]);
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constexpr Mat4(const Mat4&) = default;
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constexpr Mat4(Mat4&&) = default;
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constexpr Mat4& ApplyRotation(const Quat<T>& rotation);
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constexpr Mat4& ApplyScale(const Vec3<T>& scale);
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constexpr Mat4& ApplyTranslation(const Vec3<T>& translation);
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constexpr bool ApproxEqual(const Mat4& vec, T max_difference = std::numeric_limits<T>::epsilon()) const;
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constexpr Mat4& Concatenate(const Mat4& matrix);
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constexpr Mat4& ConcatenateTransform(const Mat4& matrix);
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constexpr Vec4<T> GetColumn(std::size_t column) const;
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constexpr T GetDeterminant() const;
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constexpr T GetDeterminantTransform() const;
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constexpr bool GetInverse(Mat4* dest) const;
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constexpr bool GetInverseTransform(Mat4* dest) const;
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Quat<T> GetRotation() const;
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constexpr Vec4<T> GetRow(std::size_t row) const;
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constexpr Vec3<T> GetScale() const;
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constexpr Vec3<T> GetSquaredScale() const;
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constexpr Vec3<T> GetTranslation() const;
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constexpr void GetTransposed(Mat4* dest) const;
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constexpr bool HasNegativeScale() const;
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constexpr bool HasScale() const;
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constexpr Mat4& Inverse(bool* succeeded = nullptr);
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constexpr Mat4& InverseTransform(bool* succeeded = nullptr);
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constexpr bool IsTransformMatrix() const;
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constexpr bool IsIdentity() const;
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constexpr Mat4& SetRotation(const Quat<T>& rotation);
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constexpr Mat4& SetScale(const Vec3<T>& scale);
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constexpr Mat4& SetTranslation(const Vec3<T>& translation);
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std::string ToString() const;
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constexpr Vec2<T> Transform(const Vec2<T>& vector, T z = 0.0, T w = 1.0) const;
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constexpr Vec3<T> Transform(const Vec3<T>& vector, T w = 1.0) const;
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constexpr Vec4<T> Transform(const Vec4<T>& vector) const;
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constexpr Mat4& Transpose();
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constexpr T& operator()(std::size_t x, std::size_t y);
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constexpr const T& operator()(std::size_t x, std::size_t y) const;
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constexpr T& operator[](std::size_t i);
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constexpr const T& operator[](std::size_t i) const;
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constexpr Mat4& operator=(const Mat4&) = default;
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constexpr Mat4& operator=(Mat4&&) = default;
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constexpr Mat4 operator*(const Mat4& matrix) const;
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constexpr Vec2<T> operator*(const Vec2<T>& vector) const;
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constexpr Vec3<T> operator*(const Vec3<T>& vector) const;
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constexpr Vec4<T> operator*(const Vec4<T>& vector) const;
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constexpr Mat4 operator*(T scalar) const;
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constexpr Mat4& operator*=(const Mat4& matrix);
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constexpr Mat4& operator*=(T scalar);
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constexpr bool operator==(const Mat4& mat) const;
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constexpr bool operator!=(const Mat4& mat) const;
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static constexpr bool ApproxEqual(const Mat4& lhs, const Mat4& rhs, T max_difference = std::numeric_limits<T>::epsilon());
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static constexpr Mat4 Concatenate(const Mat4& left, const Mat4& right);
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static constexpr Mat4 ConcatenateTransform(const Mat4& left, const Mat4& right);
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static constexpr Mat4 Identity();
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static constexpr Mat4 LookAt(const Vec3<T>& eye, const Vec3<T>& target, const Vec3<T>& up = Vec3<T>::Up());
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static constexpr Mat4 Ortho(T left, T right, T top, T bottom, T zNear = -1.0, T zFar = 1.0);
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static Mat4 Perspective(RadianAngle<T> angle, T ratio, T zNear, T zFar);
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static constexpr Mat4 Rotate(const Quat<T>& rotation);
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static constexpr Mat4 Scale(const Vec3<T>& scale);
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static constexpr Mat4 Translate(const Vec3<T>& translation);
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static constexpr Mat4 Transform(const Vec3<T>& translation, const Quat<T>& rotation);
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static constexpr Mat4 Transform(const Vec3<T>& translation, const Quat<T>& rotation, const Vec3<T>& scale);
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static constexpr Mat4 TransformInverse(const Vec3<T>& translation, const Quat<T>& rotation);
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static constexpr Mat4 TransformInverse(const Vec3<T>& translation, const Quat<T>& rotation, const Vec3<T>& scale);
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static constexpr Mat4 Zero();
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~Mat4() = default;
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};
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using Mat4d = Mat4<double>;
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using Mat4f = Mat4<float>;
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}
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#include <Maths/Mat4.inl>
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#endif
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