technically adds jitter

src/bin/flappy/main.rs

@@ -1,6 +1,8 @@
 // Bevy basically forces "complex types" with Querys
 #![allow(clippy::type_complexity)]
 
+use bevy::platform::hash::RandomState;
+use std::hash::BuildHasher;
 use games::physics2d::*;
 use games::*;
 
@@ -83,7 +85,7 @@ fn main() {
 }
 
 fn tweak_camera(camera: Single<&mut Camera>) {
-    info!("Tweaking camera");
+    debug!("Tweaking camera");
     let mut c = camera.into_inner();
     c.clear_color = ClearColorConfig::Custom(WHITE.into());
 }
@@ -215,13 +217,25 @@ fn init_obstacles(
     // This is considerably more complexity so can be implemented later, but would keep memory
     // overhead fairly static.
     (1..10).for_each(|i| {
-        // TODO: Jitter up/down/close/far of pipes for challenge
-        let above =
-            Transform::from_xyz(300.0 * i as f32, 300.0, -1.0).with_scale(Vec3::splat(100.0));
+        // TODO: Jitter close/far of pipes for challenge
+        let jitter: f32 = {
+            let h = RandomState::default();
+            let x: u64 = h.hash_one(i);
+            ((x % 10) * 20) as f32 - 100.0
+        };
+        info!("Jitter for {i} is {jitter}");
+        let above = {
+            let x = 300.0 * i as f32;
+            let y = 300.0 + jitter;
+            Transform::from_xyz(x, y, -1.0).with_scale(Vec3::splat(100.0))
+        };
         commands.spawn((pipe.clone(), above));
 
-        let below =
-            Transform::from_xyz(300.0 * i as f32, -200.0, -1.0).with_scale(Vec3::splat(100.0));
+        let below = {
+            let x = 300.0 * i as f32;
+            let y = -200.0 + jitter;
+            Transform::from_xyz(x, y, -1.0).with_scale(Vec3::splat(100.0))
+        };
         commands.spawn((pipe.clone(), below));
 
         let hitbox_pos =
@@ -346,12 +360,12 @@ fn end_rewind(_trigger: Trigger<Pointer<Released>>, mut next: ResMut<NextState<P
 }
 
 fn flap_button(
-    trigger: Trigger<Pointer<Pressed>>,
+    _trigger: Trigger<Pointer<Pressed>>,
     mut commands: Commands,
     bird: Single<Entity, With<Bird>>,
 ) {
     let e = *bird;
-    info!("Flapping {:?}", e);
+    debug!("Flapping {:?}", e);
     commands.trigger_targets(Flap, e);
 }
 
@@ -402,7 +416,7 @@ fn flap_kb(
     );
 
     birds.iter().for_each(|e| {
-        info!("Flapping {:?}", e);
+        debug!("Flapping {:?}", e);
         commands.trigger_targets(Flap, e);
     });
 }
@@ -580,7 +594,7 @@ fn scoring(
         .read()
         .filter(|CollisionEnded(a, b)| bird.contains(*a) && hitboxes.contains(*b))
         .for_each(|_| {
-            info!("Hit event while {:?}", state.get());
+            debug!("Hit event while {:?}", state.get());
             match state.get() {
                 PlayerState::Alive => score.0 = score.0.saturating_add(1),
                 PlayerState::Rewind => score.0 = score.0.saturating_sub(1),