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Clarify is_polygon_clockwise() coordinate system

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The function assumes a normal Cartesian coordinate system.
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lawnjelly 2024-05-20 10:16:23 +01:00
parent daa81bbb7d
commit 331ecf3ca8
2 changed files with 3 additions and 0 deletions
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core/math/geometry_2d.h
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@ -350,6 +350,8 @@ public:
return triangles;
}
// Assumes cartesian coordinate system with +x to the right, +y up.
// If using screen coordinates (+x to the right, +y down) the result will need to be flipped.
static bool is_polygon_clockwise(const Vector<Vector2> &p_polygon) {
int c = p_polygon.size();
if (c < 3) {