1 files changed, 83 insertions, 0 deletions
diff --git a/include/core/AABB.hpp b/include/core/AABB.hpp
new file mode 100644
index 0000000..8b96a74
--- /dev/null
+++ b/include/core/AABB.hpp
@@ -0,0 +1,83 @@
+#ifndef AABB_H
+#define AABB_H
+
+#include "Vector3.hpp"
+
+#include "Plane.hpp"
+
+#include <cstdlib>
+
+namespace godot {
+
+class AABB {
+public:
+	Vector3 pos;
+	Vector3 size;
+
+	real_t get_area() const; /// get area
+	inline bool has_no_area() const {
+
+		return (size.x<=CMP_EPSILON || size.y<=CMP_EPSILON  || size.z<=CMP_EPSILON);
+	}
+
+	inline bool has_no_surface() const {
+
+		return (size.x<=CMP_EPSILON && size.y<=CMP_EPSILON  && size.z<=CMP_EPSILON);
+	}
+
+	inline const Vector3& get_pos() const { return pos; }
+	inline void set_pos(const Vector3& p_pos) { pos=p_pos; }
+	inline const Vector3& get_size() const { return size; }
+	inline void set_size(const Vector3& p_size) { size=p_size; }
+
+
+	bool operator==(const AABB& p_rval) const;
+	bool operator!=(const AABB& p_rval) const;
+
+	bool intersects(const AABB& p_aabb) const; /// Both AABBs overlap
+	bool intersects_inclusive(const AABB& p_aabb) const; /// Both AABBs (or their faces) overlap
+	bool encloses(const AABB & p_aabb) const; /// p_aabb is completely inside this
+
+	AABB merge(const AABB& p_with) const;
+	void merge_with(const AABB& p_aabb); ///merge with another AABB
+	AABB intersection(const AABB& p_aabb) const; ///get box where two intersect, empty if no intersection occurs
+	bool intersects_segment(const Vector3& p_from, const Vector3& p_to,Vector3* r_clip=NULL,Vector3* r_normal=NULL) const;
+	bool intersects_ray(const Vector3& p_from, const Vector3& p_dir,Vector3* r_clip=NULL,Vector3* r_normal=NULL) const;
+	bool smits_intersect_ray(const Vector3 &from,const Vector3& p_dir, real_t t0, real_t t1) const;
+
+	bool intersects_convex_shape(const Plane *p_plane, int p_plane_count) const;
+	bool intersects_plane(const Plane &p_plane) const;
+
+	bool has_point(const Vector3& p_point) const;
+	Vector3 get_support(const Vector3& p_normal) const;
+
+
+	Vector3 get_longest_axis() const;
+	int get_longest_axis_index() const;
+	real_t get_longest_axis_size() const;
+
+	Vector3 get_shortest_axis() const;
+	int get_shortest_axis_index() const;
+	real_t get_shortest_axis_size() const;
+
+	AABB grow(real_t p_by) const;
+	void grow_by(real_t p_amount);
+
+	void get_edge(int p_edge,Vector3& r_from,Vector3& r_to) const;
+	Vector3 get_endpoint(int p_point) const;
+
+	AABB expand(const Vector3& p_vector) const;
+	void project_range_in_plane(const Plane& p_plane,real_t &r_min,real_t& r_max) const;
+	void expand_to(const Vector3& p_vector); /** expand to contain a point if necesary */
+
+	operator String() const;
+
+	inline AABB() {}
+	inline AABB(const Vector3 &p_pos,const Vector3& p_size) { pos=p_pos; size=p_size; }
+
+
+};
+
+}
+
+#endif // RECT3_H