diff --git a/src/main.rs b/src/main.rs
index 56fa453..b193b13 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,5 @@
+use std::{clone, ops};
+
 use raylib::prelude::*;
 
 const WINDOW_WIDTH: i32 = 640;
@@ -14,6 +16,7 @@ impl Vec2 {
     }
 }
 
+#[derive(Clone, Copy, Debug)]
 struct Vec3(f64, f64, f64);
 
 impl Vec3 {
@@ -39,23 +42,34 @@ fn draw_points(d: &mut RaylibDrawHandle, points: &[Vec3]) {
     }
 }
 
+fn move_by(points: &mut [Vec3], delta_pos: &Vec3) {
+    for point in points {
+        (*point).0 += delta_pos.0;
+        (*point).1 += delta_pos.1;
+        (*point).2 += delta_pos.2;
+    }
+}
+
 const CUBE: [Vec3; 8] = [
-    Vec3(-0.5, -0.5, 1.0),
-    Vec3(0.5, -0.5, 1.0),
-    Vec3(0.5, 0.5, 1.0),
-    Vec3(-0.5, 0.5, 1.0),
-    Vec3(-0.5, -0.5, 1.5),
-    Vec3(0.5, -0.5, 1.5),
-    Vec3(0.5, 0.5, 1.5),
-    Vec3(-0.5, 0.5, 1.5),
+    Vec3(-0.5, -0.5, -0.5),
+    Vec3(0.5, -0.5, -0.5),
+    Vec3(0.5, 0.5, -0.5),
+    Vec3(-0.5, 0.5, -0.5),
+    Vec3(-0.5, -0.5, 0.5),
+    Vec3(0.5, -0.5, 0.5),
+    Vec3(0.5, 0.5, 0.5),
+    Vec3(-0.5, 0.5, 0.5),
 ];
 
 fn main() {
     let (mut rl, thread) = raylib::init().size(WINDOW_WIDTH, WINDOW_HEIGHT).build();
 
+    let mut c = CUBE.clone();
+    move_by(&mut c, &Vec3(0.0, 0.0, 2.0));
+
     while !rl.window_should_close() {
         let mut d = rl.begin_drawing(&thread);
-        draw_points(&mut d, &CUBE);
+        draw_points(&mut d, &c);
         d.clear_background(Color::WHITE);
     }
 }