Add Plane::project_vector

hannobraun · Sep 30, 2022 · d3f6b6b · d3f6b6b
1 parent 1f7be33
commit d3f6b6b
Showing 1 changed file with 9 additions and 4 deletions.
diff --git a/crates/fj-math/src/plane.rs b/crates/fj-math/src/plane.rs
@@ -61,6 +61,14 @@ impl Plane {
         self.normal().dot(vector) == Scalar::ZERO
     }
 
+    /// Project a vector into the plane
+    pub fn project_vector(&self, vector: &Vector<3>) -> Vector<2> {
+        Vector::from([
+            self.u().scalar_projection_onto(vector),
+            self.v().scalar_projection_onto(vector),
+        ])
+    }
+
     /// Project a line into the plane
     pub fn project_line(&self, line: &Line<3>) -> Line<2> {
         let line_origin_relative_to_plane = line.origin() - self.origin();
@@ -73,10 +81,7 @@ impl Plane {
             ]),
         };
 
-        let line_direction_in_plane = Vector::from([
-            self.u().scalar_projection_onto(&line.direction()),
-            self.v().scalar_projection_onto(&line.direction()),
-        ]);
+        let line_direction_in_plane = self.project_vector(&line.direction());
 
         Line::from_origin_and_direction(
             line_origin_in_plane,