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Expose 2D Delaunay triangulation in Geometry singleton

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Can be used via scripting as `Geometry.triangulate_delaunay_2d(points)`

The interface is the same as in `Triangulate` library, returning indices
into triangulated points.
This commit is contained in:
Andrii Doroshenko (Xrayez)
2019-05-23 16:53:53 +03:00
parent 1deb41226d
commit 24e9a881c0
4 changed files with 30 additions and 0 deletions
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14
core/math/geometry.h
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@ -31,6 +31,7 @@
#ifndef GEOMETRY_H
#define GEOMETRY_H
#include "core/math/delaunay.h"
#include "core/math/face3.h"
#include "core/math/rect2.h"
#include "core/math/triangulate.h"
@ -857,6 +858,19 @@ public:
return points;
}
static Vector<int> triangulate_delaunay_2d(const Vector<Vector2> &p_points) {
Vector<Delaunay2D::Triangle> tr = Delaunay2D::triangulate(p_points);
Vector<int> triangles;
for (int i = 0; i < tr.size(); i++) {
triangles.push_back(tr[i].points[0]);
triangles.push_back(tr[i].points[1]);
triangles.push_back(tr[i].points[2]);
}
return triangles;
}
static Vector<int> triangulate_polygon(const Vector<Vector2> &p_polygon) {
Vector<int> triangles;