+void Canvas::Arrow(Vector<int> from, Vector<int> to) {
+ Line(from, to);
+ Vector<float> delta(to - from);
+ delta = delta / Length(delta);
+
+ Line(to, to + Vector<int>(Rotate90(delta) * 5.0f - (delta * 5.0f)));
+ Line(to, to + Vector<int>(Rotate270(delta) * 5.0f - (delta * 5.0f)));
+}
+