feat: Wing root class

nhf/touhou/houjuu_nue/wing.py

@@ -231,6 +231,51 @@ def wing_root(joint: HirthJoint,
     )
     return result
 
+@dataclass
+class WingRoot:
+    """
+    Generator for the wing root profile and model
+    """
+
+    panel_thickness: float = 25.4 / 16
+    height: float = 100.0
+    shoulder_width: float = 20.0
+    root_width: float = 60.0
+
+    def outer_spline(self) -> list[Tuple[float, float]]:
+        """
+        Generate outer wing shape spline
+        """
+
+    def profile(self) -> Cq.Sketch:
+        tip_x, tip_y = -100.0, 70.0
+        sketch = (
+            Cq.Sketch()
+            .segment((-self.root_width, 0), (0, 0))
+            .spline([
+                (0, 0),
+                (-30.0, 50.0),
+                (tip_x, tip_y)
+            ])
+            .segment(
+                (tip_x, tip_y),
+                (tip_x, tip_y - self.shoulder_width)
+            )
+            .segment(
+                (tip_x, tip_y - self.shoulder_width),
+                (-self.root_width, 0)
+            )
+            .assemble()
+        )
+        return sketch
+
+    def xy_surface(self) -> Cq.Workplane:
+
+        return (
+            Cq.Workplane()
+            .placeSketch(self.profile())
+            .extrude(self.panel_thickness)
+        )
 
 @dataclass
 class WingProfile: