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GodoBinding/include/core/Quat.hpp

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+#ifndef QUAT_H
+#define QUAT_H
+
+#include <cmath>
+
+#include "Vector3.hpp"
+
+// #include "Basis.h"
+
+namespace godot {
+
+class Quat {
+public:
+	real_t x, y, z, w;
+
+	real_t length_squared() const;
+	real_t length() const;
+
+	void normalize();
+
+	Quat normalized() const;
+
+	bool is_normalized() const;
+
+	Quat inverse() const;
+
+	void set_euler_xyz(const Vector3 &p_euler);
+	Vector3 get_euler_xyz() const;
+	void set_euler_yxz(const Vector3 &p_euler);
+	Vector3 get_euler_yxz() const;
+
+	inline void set_euler(const Vector3 &p_euler) { set_euler_yxz(p_euler); }
+	inline Vector3 get_euler() const { return get_euler_yxz(); }
+
+	real_t dot(const Quat &q) const;
+
+	Quat slerp(const Quat &q, const real_t &t) const;
+
+	Quat slerpni(const Quat &q, const real_t &t) const;
+
+	Quat cubic_slerp(const Quat &q, const Quat &prep, const Quat &postq, const real_t &t) const;
+
+	void get_axis_and_angle(Vector3 &r_axis, real_t &r_angle) const;
+
+	void set_axis_angle(const Vector3 &axis, const float angle);
+
+	void operator*=(const Quat &q);
+	Quat operator*(const Quat &q) const;
+
+	Quat operator*(const Vector3 &v) const;
+
+	Vector3 xform(const Vector3 &v) const;
+
+	void operator+=(const Quat &q);
+	void operator-=(const Quat &q);
+	void operator*=(const real_t &s);
+	void operator/=(const real_t &s);
+	Quat operator+(const Quat &q2) const;
+	Quat operator-(const Quat &q2) const;
+	Quat operator-() const;
+	Quat operator*(const real_t &s) const;
+	Quat operator/(const real_t &s) const;
+
+	bool operator==(const Quat &p_quat) const;
+	bool operator!=(const Quat &p_quat) const;
+
+	operator String() const;
+
+	inline void set(real_t p_x, real_t p_y, real_t p_z, real_t p_w) {
+		x = p_x;
+		y = p_y;
+		z = p_z;
+		w = p_w;
+	}
+	inline Quat(real_t p_x, real_t p_y, real_t p_z, real_t p_w) {
+		x = p_x;
+		y = p_y;
+		z = p_z;
+		w = p_w;
+	}
+	Quat(const Vector3 &axis, const real_t &angle);
+
+	Quat(const Vector3 &v0, const Vector3 &v1);
+
+	inline Quat() {
+		x = y = z = 0;
+		w = 1;
+	}
+};
+
+} // namespace godot
+
+#endif // QUAT_H