On the advice of Sophie, I adjusted the shader settings on the resource

to be local to the scene so not all CRTs flashed when one got hit.

scenes/bullet.gd

@@ -19,33 +19,32 @@ func _on_visible_on_screen_notifier_2d_screen_exited() -> void:
 
 func _on_area_entered(area: Area2D) -> void:
   
-  var enemies = get_tree().get_nodes_in_group("enemies")
+  if area.is_in_group("enemies"):
   
-  #for enemy in enemies:
-  match enemies.enemy_type:
-        "crt":
-          if area.is_in_group("enemies"):
-            print("CRT hit!")
-            area.hit_detection()
-            queue_free()
-            
-    
-        "shards":
-          if area.is_in_group("shards"):                
-            print("Shards hit!")
-            area.hit_detection()
-                   
-        "mirror":
-          if area.is_in_group("enemies"):
-            print("Mirror hit!")
-            area.hit_detection()
-            queue_free()
-                
-        "chicken":
-          if area.is_in_group("enemies"):
-              print("Chicken hit!")
+    match area.enemy_type:
+          "crt":
+            if area.is_in_group("enemies"):
+              print("CRT hit!")
               area.hit_detection()
               queue_free()
+              
+      
+          "shards":
+            if area.is_in_group("shards"):                
+              print("Shards hit!")
+              area.hit_detection()
+                    
+          "mirror":
+            if area.is_in_group("enemies"):
+              print("Mirror hit!")
+              area.hit_detection()
+              queue_free()
+                  
+          "chicken":
+            if area.is_in_group("enemies"):
+                print("Chicken hit!")
+                area.hit_detection()
+                queue_free()
 
 #func bullet_fx():
     #shader_active = true

scenes/enemy_crt.gd

@@ -5,9 +5,9 @@ var enemy_type: String = "crt"
 var bullet_scene = preload("res://scenes/enemy_bullet.tscn")
 var start_pos = Vector2.ZERO
 var move_break
-var speed = 0
+var speed: int = 0
 var direction = Vector2(0,1)
-var tween_speed: float = 1.4
+var tween_speed: float = 1
 
 var exploding = false
 var can_shoot = true
@@ -23,25 +23,25 @@ var enemy_shoot_aggression = randf_range(4, 20)
 const TILE = 32
 
 @onready var screensize  = get_viewport_rect().size
-@onready var timer = $MoveTimer
+@onready var move_timer = $MoveTimer
 @onready var crt = $CRT
 
 func _ready():
-  timer.start()
+  move_timer.start()
 
 func start(pos):
-    speed = 2
-    $CRT.frame = 0
+    speed = 4
+    crt.frame = 0
     #var pos_mod = randf_range(-TILE,TILE) #modify the start position randomly
     #position = Vector2(pos.x + pos_mod, -pos.y) #add the modifier  
     position = Vector2(pos.x, -pos.y)
     start_pos = pos
-    await get_tree().create_timer(randf_range(0.25, 0.55)).timeout
+    await get_tree().create_timer(randf_range(0.25, 0.35)).timeout
     var tween = create_tween().set_trans(Tween.TRANS_BACK)
     tween.tween_property(self, "position:y", start_pos.y, tween_speed)
     await tween.finished
-    $MoveTimer.wait_time = enemy_move_aggression
-    $MoveTimer.start()
+    move_timer.wait_time = enemy_move_aggression
+    move_timer.start()
     $ShootTimer.wait_time = enemy_shoot_aggression
     $ShootTimer.start()
 
@@ -53,19 +53,19 @@ func _on_direction_timer_timeout():
   var move_direction = int(randf_range(0,3))
   match move_direction:
         0:
-          $CRT.frame = 0
+          crt.frame = 0
           direction = Vector2(0,1)
           can_shoot = true
           vulnerable = true
           #$DirectionTimer.start() 
         1:
-          $CRT.frame = 1
+          crt.frame = 1
           direction = Vector2(1,0)
           can_shoot = false
           vulnerable = false
           #$DirectionTimer.start() 
         2:
-          $CRT.frame = 2
+          crt.frame = 2
           direction = Vector2(-1,0)
           can_shoot = false
           vulnerable = false
@@ -120,12 +120,16 @@ func block():
     #if blocking: return
     #blocking = true
     stunned = true
+    print("CRT Stunned!")
+    $DirectionTimer.stop()
     shader_active = true
     crt.material.set_shader_parameter("toggle", 1.0)
-    await get_tree().create_timer(5).timeout
+    await get_tree().create_timer(2).timeout
     crt.material.set_shader_parameter("toggle", 0.0)
     shader_active = false
     stunned = false
+    $DirectionTimer.stop()
+    print("CRT Not Stunned!")
   
       
  

scenes/enemy_crt.tscn

@@ -27,6 +27,7 @@ void fragment() {
 "
 
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_gas3w"]
+resource_local_to_scene = true
 shader = SubResource("Shader_emiuq")
 shader_parameter/toggle = 0.0
 
@@ -237,6 +238,7 @@ scale = Vector2(0.99999857, 0.99999857)
 shape = SubResource("RectangleShape2D_4gyqm")
 
 [node name="MoveTimer" type="Timer" parent="." unique_id=1928257014]
+wait_time = 0.75
 one_shot = true
 
 [node name="ShootTimer" type="Timer" parent="." unique_id=1985644907]

scenes/goose.tscn

@@ -11,11 +11,9 @@ size = Vector2(73, 100)
 script = ExtResource("1_wf0t2")
 
 [node name="DapperGoose" type="Sprite2D" parent="." unique_id=1690665905]
-z_index = -4
 texture = ExtResource("1_wo8sg")
 
 [node name="Bubble" type="Sprite2D" parent="DapperGoose" unique_id=2012258473]
-z_index = -5
 position = Vector2(-108, -21)
 texture = ExtResource("3_g7ad0")
 hframes = 4

scenes/wave.gd

@@ -24,7 +24,7 @@ func _ready():
 
 func spawn_enemies():
   
-    if wave_count == 0: #This is for CHICKENS
+    if wave_count == 1: #This is for CHICKENS
       print("Enemy Wave: ", wave_count)
       enemy = CHICKEN
       for x in range(COLS):
@@ -37,7 +37,7 @@ func spawn_enemies():
               await get_tree().process_frame
               print_debug("Remaining enemies: ", enemy_count, ", ", get_tree().get_nodes_in_group("enemies").size())
               
-    if wave_count == 1: #This is for CRTs
+    if wave_count == 0: #This is for CRTs
       print("Enemy Wave: ", wave_count)
       enemy = CRT
       var cols_mod = COLS - 1