occt: add point deletion function

src/occt/include/point.hpp

@@ -3,9 +3,15 @@
     Copyright (C) 2025 Erick Ahmed
 */
 
+#ifndef POINT_HPP
+#define POINT_HPP
+
 #pragma once
 
 #include <gp_Pnt.hxx>
 
 TopoDS_Shape make_point(double x, double y, double z);
 void coord_point(const TopoDS_Shape& shape, double* x, double* y, double* z);
+void clear_point(TopoDS_Shape& shape);
+
+#endif

src/occt/point.cpp

@@ -23,3 +23,7 @@ void coord_point(const TopoDS_Shape& shape, double* x, double* y, double* z) {
     *y = point.Y();
     *z = point.Z();
 }
+
+void clear_point(TopoDS_Shape& shape) {
+    shape.Nullify();
+}