First

2024-07-02 18:27:05 +02:00
commit bc037aa2bd
83 changed files with 13236 additions and 0 deletions
@@ -0,0 +1,67 @@
+#pragma once
+
+#include <compare>
+
+namespace math
+{
+
+template<typename T> struct vec3;
+template<typename T> struct mat4;
+template<typename T> struct quat;
+
+// mat4 layout        trans3 layout (4 vec3)
+// 0  4  8 12             0  3  6  tx
+// 1  5  9 13       ->    1  4  7  ty
+// 2  6 10 14             2  5  8  tz
+// 3  7 11 15
+// the last row is always constant (0 0 0 1) for the trans
+
+template<typename T>
+struct trans3
+{
+	typedef T value_t;
+	using this_t = trans3<T>;
+
+	constexpr trans3() noexcept = default;
+	constexpr explicit trans3(math::ZUninitialized) noexcept;
+	constexpr trans3(trans3<T> const&) noexcept = default;
+
+	constexpr explicit trans3(vec3<T> const& translation) noexcept;
+	constexpr trans3(vec3<T> const& translation, quat<T> const& rotation_scale) noexcept;
+	constexpr trans3(vec3<T> const& translation, quat<T> const& rotation_scale, vec3<T> const& scale) noexcept;
+	constexpr trans3(vec3<T> const& translation, mat3<T> const& rotation_scale) noexcept;
+	constexpr trans3(vec3<T> const& translation, mat3<T> const& rotation_scale, vec3<T> const& scale) noexcept;
+
+	constexpr trans3<T>& operator=(trans3<T> const&) noexcept = default;
+
+	constexpr trans3<T> operator*(trans3<T> const& other) const noexcept;
+	constexpr trans3<T>& operator*=(trans3<T> const& other) noexcept;
+
+	constexpr trans3<T>& post_scale(vec3<T> const& scale) noexcept;
+	constexpr trans3<T>& post_translate(vec3<T> const& translation) noexcept;
+
+	constexpr vec3<T> const& get_axis_x() const noexcept;
+	constexpr trans3<T>& set_axis_x(vec3<T> const& axis) noexcept;
+
+	constexpr vec3<T> const& get_axis_y() const noexcept;
+	constexpr trans3<T>& set_axis_y(vec3<T> const& axis) noexcept;
+
+	constexpr vec3<T> const& get_axis_z() const noexcept;
+	constexpr trans3<T>& set_axis_z(vec3<T> const& axis) noexcept;
+
+	template<class Policy = standard>
+	constexpr vec3<T>	 get_scale() const noexcept;
+	constexpr trans3<T>& set_scale(vec3<T> const& scale) noexcept;
+
+	constexpr trans3<T>& set_rotation_scale(quat<T> const& rotation_scale) noexcept;
+
+	constexpr auto operator<=>(const this_t&) const noexcept = default;
+	constexpr bool operator==(const this_t&) const noexcept = default;
+
+
+
+	vec3<T> translation;
+	mat3<T> rotation_scale;
+};
+
+}