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some work on util

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This commit is contained in:
Patrick Brosi 2018-07-16 02:03:10 +02:00
parent d387314715
commit 223ffa6f6b
1 changed files with 33 additions and 1 deletions
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34
src/util/geo/Geo.h
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@ -6,8 +6,8 @@
#define _USE_MATH_DEFINES
#include <sstream>
#include <math.h>
#include <sstream>
#include "util/Misc.h"
#include "util/geo/Box.h"
#include "util/geo/Line.h"
@ -252,6 +252,18 @@ inline bool intersects(const Point<T>& p, const Line<T>& l) {
return intersects(l, p);
}
// _____________________________________________________________________________
template <typename T>
inline bool intersects(const Polygon<T>& l, const Point<T>& p) {
return contains(l, p);
}
// _____________________________________________________________________________
template <typename T>
inline bool intersects(const Point<T>& p, const Polygon<T>& l) {
return intersects(l, p);
}
// _____________________________________________________________________________
template <typename T>
inline bool intersects(const Box<T>& b1, const Box<T>& b2) {
@ -284,6 +296,26 @@ inline bool intersects(const LineSegment<T>& ls, const Box<T>& b) {
return contains(ls, b);
}
// _____________________________________________________________________________
template <typename T>
inline bool intersects(const LineSegment<T>& ls, const Polygon<T>& p) {
for (size_t i = 1; i < p.getOuter().size(); i++) {
if (intersects(LineSegment<T>(p.getOuter()[i - 1], p.getOuter()[i]), ls))
return true;
}
if (intersects(LineSegment<T>(p.getOuter().back(), p.getOuter().front()), ls))
return true;
return contains(ls, p);
}
// _____________________________________________________________________________
template <typename T>
inline bool intersects(const Polygon<T>& p, const LineSegment<T>& ls) {
return intersects(ls, p);
}
// _____________________________________________________________________________
template <typename T>
inline bool intersects(const Box<T>& b, const LineSegment<T>& ls) {