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OpenSpace/modules/globebrowsing/geometry/aabb.h

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/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2016 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#ifndef __AABB_H__
#define __AABB_H__
#include <memory>
#include <glm/glm.hpp>
// open space includes
namespace openspace {
using namespace glm;
enum class AABBSpatialRelation {
None,
Intersecting,
Contained,
Containing
};
struct AABB1 {
AABB1();
AABB1(float min, float max);
void expand(float p);
float center() const;
float size() const;
bool contains(float p) const;
bool contains(const AABB1& o) const;
bool intersects(const AABB1& o) const;
AABBSpatialRelation relationTo(const AABB1& o) const;
float min;
float max;
};
struct AABB2 {
AABB2();
AABB2(const vec2& min, const vec2& max);
void expand(const vec2& p);
vec2 center() const;
vec2 size() const;
bool contains(const vec2& p) const;
bool contains(const AABB2& o) const;
bool intersects(const AABB2& o) const;
AABBSpatialRelation relationTo(const AABB2& o) const;
vec2 min;
vec2 max;
};
struct AABB3 {
AABB3();
AABB3(const vec3& min, const vec3& max);
void expand(const vec3 p);
vec3 center() const;
vec3 size() const;
bool contains(const vec3& p) const;
bool contains(const AABB3& o) const;
bool intersects(const AABB3& o) const;
AABBSpatialRelation relationTo(const AABB3& o) const;
vec3 min;
vec3 max;
};
} // namespace openspace
#endif // __AABB_H__