Complete Coincident command behavior

src/entities/line.rs

@@ -214,6 +214,9 @@ fn properties(line: &Line) -> Vec<PropSection> {
             ro(t!("Delta Z").as_ref(), "delta_z", format!("{dz:.4}")),
             ro(t!("Length").as_ref(), "length", format!("{:.4}", line.length())),
             ro(t!("Angle").as_ref(), "angle", format!("{angle:.2}")),
+            edit(t!("Normal X").as_ref(), "normal_x", line.normal.x),
+            edit(t!("Normal Y").as_ref(), "normal_y", line.normal.y),
+            edit(t!("Normal Z").as_ref(), "normal_z", line.normal.z),
         ],
     }]
 }
@@ -286,6 +289,19 @@ fn apply_geom_prop(line: &mut Line, field: &str, value: &str) {
         "end_x" => line.end.x = v,
         "end_y" => line.end.y = v,
         "end_z" => line.end.z = v,
+        "normal_x" | "normal_y" | "normal_z" => {
+            let mut normal = glam::DVec3::new(line.normal.x, line.normal.y, line.normal.z);
+            match field {
+                "normal_x" => normal.x = v,
+                "normal_y" => normal.y = v,
+                "normal_z" => normal.z = v,
+                _ => unreachable!(),
+            }
+            if normal.is_finite() && normal.length_squared() > 1.0e-18 {
+                let normal = normal.normalize();
+                line.normal = acadrust::types::Vector3::new(normal.x, normal.y, normal.z);
+            }
+        }
         _ => {}
     }
 }