68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
#ifndef Segment_h_
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#define Segment_h_
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#include <ostream>
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#include <algorithm>
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#include <cmath>
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#include "glm/vec2.hpp"
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class Box;
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struct Sprite;
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class Segment
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{
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private:
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glm::vec2 start_, end_;
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public:
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Segment(const glm::vec2&, const glm::vec2&);
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Segment();
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Segment(const glm::vec2&);
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Segment(const Box&, const Box&);
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Segment(const Sprite&, const Sprite&);
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glm::vec2 start() const;
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void start(const glm::vec2&);
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glm::vec2 end() const;
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void end(const glm::vec2&);
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bool intersect(const Segment&, glm::vec2* = nullptr) const;
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bool intersect(const Segment&, glm::vec2&) const;
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float dx() const;
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float dy() const;
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float length() const;
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Box box() const;
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void move(const glm::vec2&);
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glm::vec2 center() const;
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glm::vec2 step(float) const;
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glm::vec2 step_relative(float) const;
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std::vector<Segment> subsegments(int) const;
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inline bool operator<(const Segment& segment) const { return operator<(segment.length()); }
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/*
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std::cout << (a < b) << (a > b) << (b < c) << (b <= c) << (c > b) << (c >= b) << (d < 1) << (d < 2) <<
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(d >= a) << (d > c) << std::endl;
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should print 0101010101
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*/
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template<typename N>
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inline bool operator<(const N& other) const { return length() < other; }
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template<typename N>
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inline bool operator>(const N& other) const { return other < length(); }
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template<typename N>
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inline bool operator<=(const N& other) const { return !operator>(other); }
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template<typename N>
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inline bool operator>=(const N& other) const { return !operator<(other); }
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};
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std::ostream& operator<<(std::ostream&, const Segment&);
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#endif
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