- Tons of addtions

2026-06-28 22:51:52 +02:00
parent f8f16ea800
commit f6422e0847
7 changed files with 1010 additions and 149 deletions
@@ -182,6 +182,60 @@ class TestOCCSketch:
        points = sketch.get_points()
        assert len(points) == 0

+    def test_workplane_extrude_along_normal(self):
+        """A sketch on a tilted plane extrudes along that plane's normal."""
+        import math
+        from OCP.GProp import GProp_GProps
+        from OCP.BRepGProp import BRepGProp
+
+        ang = math.radians(35)
+        normal = (math.sin(ang), 0.0, math.cos(ang))
+        x_dir = (math.cos(ang), 0.0, -math.sin(ang))
+
+        sk = OCCSketch()
+        sk.set_workplane((10.0, 0.0, 5.0), normal, x_dir)
+        # 20x20 square in UV
+        p0 = sk.add_point(-10, -10); p1 = sk.add_point(10, -10)
+        p2 = sk.add_point(10, 10);   p3 = sk.add_point(-10, 10)
+        sk.add_line(p0, p1); sk.add_line(p1, p2)
+        sk.add_line(p2, p3); sk.add_line(p3, p0)
+
+        geom = sk.get_geometry()
+        # The face must carry the plane normal for the kernel.
+        assert geom.metadata.get("normal") is not None
+
+        kernel = OCGeometryKernel()
+        solid = kernel.extrude(geom, 15.0)
+        s = kernel._get_shape(solid)
+        g = GProp_GProps()
+        BRepGProp.VolumeProperties_s(s, g)
+        # 20 * 20 * 15 = 6000 regardless of plane orientation.
+        assert abs(g.Mass() - 6000.0) < 0.1
+
+    def test_workplane_extrude_with_hole(self):
+        """A square with a circular hole on a custom plane extrudes correctly."""
+        import math
+        from OCP.GProp import GProp_GProps
+        from OCP.BRepGProp import BRepGProp
+
+        sk = OCCSketch()
+        sk.set_workplane((0, 0, 0), (0, 0, 1), (1, 0, 0))
+        a = sk.add_point(-10, -10); b = sk.add_point(10, -10)
+        c = sk.add_point(10, 10);   d = sk.add_point(-10, 10)
+        sk.add_line(a, b); sk.add_line(b, c)
+        sk.add_line(c, d); sk.add_line(d, a)
+        ctr = sk.add_point(0, 0)
+        sk.add_circle(ctr, 3.0)
+
+        geom = sk.get_geometry()
+        kernel = OCGeometryKernel()
+        solid = kernel.extrude(geom, 5.0)
+        s = kernel._get_shape(solid)
+        g = GProp_GProps()
+        BRepGProp.VolumeProperties_s(s, g)
+        expected = 20 * 20 * 5 - math.pi * 3 * 3 * 5
+        assert abs(g.Mass() - expected) < 0.1
+

 if __name__ == "__main__":
    pytest.main([__file__, "-v"])