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Runtime/Includes/Maths/Vec4.h

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+#ifndef __SCOP_VEC4__
+#define __SCOP_VEC4__
+
+#include <string>
+#include <limits>
+#include <cstdint>
+#include <cmath>
+
+#include <Core/Logs.h>
+
+namespace Scop
+{
+	template<typename T> class Vec2;
+	template<typename T> class Vec3;
+
+	template<typename T>
+	struct Vec4
+	{
+		T x;
+		T y;
+		T z;
+		T w;
+
+		constexpr Vec4() = default;
+		constexpr Vec4(T X, T Y, T Z, T W = 1.0);
+		constexpr Vec4(T X, T Y, const Vec2<T>& vec);
+		constexpr Vec4(T X, const Vec2<T>& vec, T W);
+		constexpr Vec4(T X, const Vec3<T>& vec);
+		constexpr explicit Vec4(T scale);
+		constexpr Vec4(const Vec2<T>& vec, T Z = 0.0, T W = 1.0);
+		constexpr Vec4(const Vec3<T>& vec, T W = 1.0);
+		template<typename U> constexpr explicit Vec4(const Vec4<U>& vec);
+		constexpr Vec4(const Vec4&) = default;
+		constexpr Vec4(Vec4&&) = default;
+
+		T AbsDotProduct(const Vec4& vec) const;
+		constexpr bool ApproxEqual(const Vec4& vec, T max_difference = std::numeric_limits<T>::epsilon()) const;
+
+		constexpr T DotProduct(const Vec4& vec) const;
+
+		Vec4 GetNormal(T* length = nullptr) const;
+
+		constexpr Vec4& Maximize(const Vec4& vec);
+		constexpr Vec4& Minimize(const Vec4& vec);
+
+		Vec4& Normalize(T* length = nullptr);
+
+		std::string ToString() const;
+
+		constexpr Vec4& operator=(const Vec4&) = default;
+		constexpr Vec4& operator=(Vec4&&) = default;
+
+		constexpr T& operator[](std::size_t i);
+		constexpr const T& operator[](std::size_t i) const;
+
+		constexpr const Vec4& operator+() const;
+		constexpr Vec4 operator-() const;
+
+		constexpr Vec4 operator+(const Vec4& vec) const;
+		constexpr Vec4 operator-(const Vec4& vec) const;
+		constexpr Vec4 operator*(const Vec4& vec) const;
+		constexpr Vec4 operator*(T scale) const;
+		constexpr Vec4 operator/(const Vec4& vec) const;
+		constexpr Vec4 operator/(T scale) const;
+		constexpr Vec4 operator%(const Vec4& vec) const;
+		constexpr Vec4 operator%(T mod) const;
+
+		constexpr Vec4& operator+=(const Vec4& vec);
+		constexpr Vec4& operator-=(const Vec4& vec);
+		constexpr Vec4& operator*=(const Vec4& vec);
+		constexpr Vec4& operator*=(T scale);
+		constexpr Vec4& operator/=(const Vec4& vec);
+		constexpr Vec4& operator/=(T scale);
+		constexpr Vec4& operator%=(const Vec4& vec);
+		constexpr Vec4& operator%=(T mod);
+
+		constexpr bool operator==(const Vec4& vec) const;
+		constexpr bool operator!=(const Vec4& vec) const;
+		constexpr bool operator<(const Vec4& vec) const;
+		constexpr bool operator<=(const Vec4& vec) const;
+		constexpr bool operator>(const Vec4& vec) const;
+		constexpr bool operator>=(const Vec4& vec) const;
+
+		static constexpr Vec4 Apply(T(*func)(T), const Vec4& vec);
+		static constexpr bool ApproxEqual(const Vec4& lhs, const Vec4& rhs, T max_difference = std::numeric_limits<T>::epsilon());
+		static constexpr T DotProduct(const Vec4& vec1, const Vec4& vec2);
+		static Vec4 Normalize(const Vec4& vec);
+		static constexpr Vec4 UnitX();
+		static constexpr Vec4 UnitY();
+		static constexpr Vec4 UnitZ();
+		static constexpr Vec4 Zero();
+
+		~Vec4() = default;
+	};
+
+	using Vec4d = Vec4<double>;
+	using Vec4f = Vec4<float>;
+	using Vec4i = Vec4<int>;
+	using Vec4ui = Vec4<unsigned int>;
+	using Vec4i32 = Vec4<std::int32_t>;
+	using Vec4i64 = Vec4<std::int64_t>;
+	using Vec4ui32 = Vec4<std::uint32_t>;
+	using Vec4ui64 = Vec4<std::uint64_t>;
+
+	template<typename T> std::ostream& operator<<(std::ostream& out, const Vec4<T>& vec);
+
+	template<typename T> constexpr Vec4<T> operator*(T scale, const Vec4<T>& vec);
+	template<typename T> constexpr Vec4<T> operator/(T scale, const Vec4<T>& vec);
+	template<typename T> constexpr Vec4<T> operator%(T mod, const Vec4<T>& vec);
+}
+
+#include <Maths/Vec4.inl>
+
+#endif
+