94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
#ifndef SDLPP_HPP_LINE
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#define SDLPP_HPP_LINE
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#include "sdlpp_common.hpp"
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#include "sdlpp_vector.hpp"
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#include <iostream>
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namespace SDLPP {
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template<typename T>
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class SDLPPSCOPE Line {
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public:
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Line() = delete;
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~Line() = default;
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Line( const Vec2D<T> &start, const Vec2D<T> &end )
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: _start( start ), _end( end ) {
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updateMost();
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}
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Line( T x_1, T y_1, T x_2, T y_2 )
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: Line( { x_1, y_1 }, { x_2, y_2 } ) {}
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Line( const Vec2D<T> &start, const Vec2D<T> &end, bool infinite )
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: Line( start, end ), _infinite( infinite ) {}
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Line( T x_1, T y_1, T x_2, T y_2, bool infinite )
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: Line( { x_1, y_1 }, { x_2, y_2 }, infinite ) {}
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Line(const Line &input) : Line(input.getStart(), input.getEnd()) {}
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Line &operator=(const Line &input) {
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_start = input.getStart();
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_end = input.getEnd();
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updateMost();
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return *this;
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}
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void updateMost() {
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if(_start.getY() < _end.getY()) {
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top = &_start;
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bottom = &_end;
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} else {
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top = &_end;
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bottom = &_start;
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}
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if(_start.getX() < _end.getX()) {
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left = &_start;
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right = &_end;
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} else {
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left = &_end;
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right = &_start;
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}
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}
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const Vec2D<T> &getStart() const {
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return _start;
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}
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const Vec2D<T> &getEnd() const {
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return _end;
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}
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double length() const {
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return vecDistance( _start, _end );
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}
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double lengthSquared() const {
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return vecDistanceSquared( _start, _end );
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}
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void setInfinite( bool infinite ) {
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_infinite = infinite;
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}
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bool isInfinite() {
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return _infinite;
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}
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void add(const Vec2D<T> &vec) {
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_start += vec;
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_end += vec;
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}
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const Vec2D<T> &topmost() const {
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return *top;
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}
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const Vec2D<T> &bottomost() const {
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return *bottom;
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}
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const Vec2D<T> &leftmost() const {
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return *left;
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}
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const Vec2D<T> &rightmost() const {
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return *right;
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}
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private:
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Vec2D<T> _start;
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Vec2D<T> _end;
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Vec2D<T> *top = nullptr;
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Vec2D<T> *bottom = nullptr;
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Vec2D<T> *left = nullptr;
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Vec2D<T> *right = nullptr;
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bool _infinite = false;
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};
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} // namespace SDLPP
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#endif
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