1 files changed, 79 insertions, 0 deletions
diff --git a/include/core/Plane.hpp b/include/core/Plane.hpp
new file mode 100644
index 0000000..dbcf448
--- /dev/null
+++ b/include/core/Plane.hpp
@@ -0,0 +1,79 @@
+#ifndef PLANE_H
+#define PLANE_H
+
+#if defined(_WIN32)
+#  ifdef _GD_CPP_CORE_API_IMPL
+#    define GD_CPP_CORE_API __declspec(dllexport)
+#  else
+#    define GD_CPP_CORE_API __declspec(dllimport)
+#  endif
+#else
+#  define GD_CPP_CORE_API
+#endif
+
+#include "Vector3.hpp"
+
+#include <cmath>
+
+
+namespace godot {
+
+
+enum ClockDirection {
+
+	CLOCKWISE,
+	COUNTERCLOCKWISE
+};
+
+class GD_CPP_CORE_API Plane {
+public:
+	Vector3 normal;
+	real_t d;
+
+	void set_normal(const Vector3& p_normal);
+
+	inline Vector3 get_normal() const { return normal; } ///Point is coplanar, CMP_EPSILON for precision
+
+	void normalize();
+
+	Plane normalized() const;
+
+	/* Plane-Point operations */
+
+	inline Vector3 center() const { return normal*d; }
+	Vector3 get_any_point() const;
+	Vector3 get_any_perpendicular_normal() const;
+
+	bool is_point_over(const Vector3 &p_point) const; ///< Point is over plane
+	real_t distance_to(const Vector3 &p_point) const;
+	bool has_point(const Vector3 &p_point,real_t _epsilon=CMP_EPSILON) const;
+
+	/* intersections */
+
+	bool intersect_3(const Plane &p_plane1, const Plane &p_plane2, Vector3 *r_result=0) const;
+	bool intersects_ray(Vector3 p_from, Vector3 p_dir, Vector3* p_intersection)  const;
+	bool intersects_segment(Vector3 p_begin, Vector3 p_end, Vector3* p_intersection)  const;
+
+	Vector3 project(const Vector3& p_point) const;
+
+	/* misc */
+
+	inline Plane operator-() const { return Plane(-normal,-d); }
+	bool is_almost_like(const Plane& p_plane) const;
+
+	bool operator==(const Plane& p_plane) const;
+	bool operator!=(const Plane& p_plane) const;
+	operator String() const;
+
+	inline Plane() { d=0; }
+	inline Plane(real_t p_a, real_t p_b, real_t p_c, real_t p_d) : normal(p_a,p_b,p_c), d(p_d) { }
+
+	Plane(const Vector3 &p_normal, real_t p_d);
+	Plane(const Vector3 &p_point, const Vector3& p_normal);
+	Plane(const Vector3 &p_point1, const Vector3 &p_point2,const Vector3 &p_point3,ClockDirection p_dir = CLOCKWISE);
+
+};
+
+}
+
+#endif // PLANE_H