/*****************************************************************************************
 *                                                                                       *
 * 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 __OPENSPACE_MODULE_GLOBEBROWSING___AABB___H__
#define __OPENSPACE_MODULE_GLOBEBROWSING___AABB___H__

#include <glm/glm.hpp>

namespace openspace {
namespace globebrowsing {

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 glm::vec2& min, const glm::vec2& max);

    void expand(const glm::vec2& p);
    glm::vec2 center() const;
    glm::vec2 size() const;
    bool contains(const glm::vec2& p) const;
    bool contains(const AABB2& o) const;
    bool intersects(const AABB2& o) const;
    AABBSpatialRelation relationTo(const AABB2& o) const;

    glm::vec2 min;
    glm::vec2 max;
};

struct AABB3 {
    AABB3();
    AABB3(const glm::vec3& min, const glm::vec3& max);

    void expand(const glm::vec3 p);
    glm::vec3 center() const;
    glm::vec3 size() const;
    bool contains(const glm::vec3& p) const;
    bool contains(const AABB3& o) const;
    bool intersects(const AABB3& o) const;
    AABBSpatialRelation relationTo(const AABB3& o) const;

    glm::vec3 min;
    glm::vec3 max;
};

} // namespace globebrowsing   
} // namespace openspace

#endif  // __OPENSPACE_MODULE_GLOBEBROWSING___AABB___H__
