Clarify is_polygon_clockwise() coordinate system

The function assumes a normal Cartesian coordinate system.
2024-05-20 10:16:23 +01:00
parent daa81bbb7d
commit 331ecf3ca8
2 changed files with 3 additions and 0 deletions
--- a/core/math/geometry_2d.h
+++ b/core/math/geometry_2d.h
@@ -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) {