tuning jitter min/max pipe values

src/bin/flappy/main.rs

@@ -226,14 +226,14 @@ fn init_obstacles(
         info!("Jitter for {i} is {jitter}");
         let above = {
             let x = 300.0 * i as f32;
-            let y = 300.0 + jitter;
+            let y = f32::min(300.0 + jitter, 400.0);
             Transform::from_xyz(x, y, -1.0).with_scale(Vec3::splat(100.0))
         };
         commands.spawn((pipe.clone(), above));
 
         let below = {
             let x = 300.0 * i as f32;
-            let y = -200.0 + jitter;
+            let y = f32::max(-200.0 + jitter, -300.0);
             Transform::from_xyz(x, y, -1.0).with_scale(Vec3::splat(100.0))
         };
         commands.spawn((pipe.clone(), below));