spacebox/src/Segment.hpp

66 lines
1.7 KiB
C++

#ifndef Segment_h_
#define Segment_h_
#include <ostream>
#include <algorithm>
#include <cmath>
#include "glm/vec2.hpp"
class Box;
struct Sprite;
class Segment
{
public:
glm::vec2 start, end;
Segment(const glm::vec2&, const glm::vec2&);
Segment();
Segment(const glm::vec2&);
Segment(const Box&, const Box&);
Segment(const Sprite&, const Sprite&);
glm::vec2 get_start() const;
void set_start(const glm::vec2&);
glm::vec2 get_end() const;
void set_end(const glm::vec2&);
bool intersect(const Segment&, glm::vec2* = nullptr) const;
bool intersect(const Segment&, glm::vec2&) const;
float get_dx() const;
float get_dy() const;
float get_length() const;
Box get_box() const;
void move(const glm::vec2&);
glm::vec2 get_center() const;
glm::vec2 get_step(float) const;
glm::vec2 get_step_relative(float) const;
std::vector<Segment> get_subsegments(int) const;
inline bool operator<(const Segment& segment) const { return operator<(segment.get_length()); }
/*
std::cout << (a < b) << (a > b) << (b < c) << (b <= c) << (c > b) << (c >= b) << (d < 1) << (d < 2) <<
(d >= a) << (d > c) << std::endl;
should print 0101010101
*/
template<typename N>
inline bool operator<(const N& other) const { return get_length() < other; }
template<typename N>
inline bool operator>(const N& other) const { return other < get_length(); }
template<typename N>
inline bool operator<=(const N& other) const { return !operator>(other); }
template<typename N>
inline bool operator>=(const N& other) const { return !operator<(other); }
};
std::ostream& operator<<(std::ostream&, const Segment&);
#endif