From bb459067532499e9717ae25abf1d848a62e73282 Mon Sep 17 00:00:00 2001
From: Stephan Rehfeld <stephan.rehfeld@th-nuernberg.de>
Date: Wed, 29 Apr 2026 18:28:57 +0200
Subject: [PATCH] Important Rust Pattern: Inheritance does not exist, use enum
 to store multiple different types in same Collection

---
 src/main.rs | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 872489a..478bb44 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -95,6 +95,12 @@ struct Plane {
     normal: Vector3,
 }
 
+impl Plane {
+    fn new(point: Point3, normal: Vector3) -> Plane {
+        Plane { point, normal }
+    }
+}
+
 struct Line {
     point: Point3,
     direction: Vector3,
@@ -111,14 +117,22 @@ impl Sphere {
     }
 }
 
+enum Geometry {
+    Sphere(Sphere),
+    Plane(Plane),
+}
+
 fn main() {
     let sphere1 = Sphere::new(Point3::new(0.0, 0.0, 0.0), 25.0);
     let sphere2 = Sphere::new(Point3::new(1.0, -45.4, 3.55), 2.0);
     let sphere3 = Sphere::new(Point3::new(3.0, 2.0, 1.0), 0.5);
 
+    let plane1 = Plane::new(Point3::new(1.0, 2.0, 3.0), Vector3::new(0.0, 1.0, 0.0));
+
     let mut v = Vec::new();
 
-    v.push(sphere1);
-    v.push(sphere2);
-    v.push(sphere3);
+    v.push(Geometry::Sphere(sphere1));
+    v.push(Geometry::Plane(plane1));
+    v.push(Geometry::Sphere(sphere2));
+    v.push(Geometry::Sphere(sphere3));
 }