Added win condition for level 1 and added boss fight for level 5

Enemies/Eyeball Boss.gd

@@ -0,0 +1,78 @@
+extends StaticBody2D
+
+signal death
+
+export var glowing_blue_fireball: PackedScene
+
+var player: KinematicBody2D = null
+var health: int = 12
+var center: Vector2
+var center_x: float
+var shoot_y: int
+
+var rng: RandomNumberGenerator = RandomNumberGenerator.new()
+
+
+func _ready() -> void:
+    center = $Sprite.global_position
+    center_x = center.x
+    shoot_y = int(center.y) + 1
+    rng.randomize()
+    return
+
+
+func _on_shoot_timeout() -> void:
+    if player:
+        var shoot_directions: Array = [
+            Vector2(center_x + rng.randf_range(-1, 1), shoot_y),
+            Vector2(center_x + rng.randf_range(-1, 1), shoot_y),
+            Vector2(center_x + rng.randf_range(-1, 1), shoot_y),
+            Vector2(center_x + rng.randf_range(-1, 1), shoot_y),
+            Vector2(center_x + rng.randf_range(-1, 1), shoot_y)]
+
+        for itr in shoot_directions:
+            var projectile: Node = glowing_blue_fireball.instance()
+            projectile.init(center, itr)
+            get_tree().get_current_scene().get_node('Projectiles').add_child(projectile)
+
+        $'Flash Timer'.start()
+        $Flash.set_visible(true)
+    return
+
+
+func _on_flash_timer_timeout() -> void:
+    $Flash.set_visible(false)
+    return
+
+
+func _on_hit_timeout() -> void:
+    $Sprite.self_modulate = Color(1, 1, 1)
+    return
+
+
+func _on_hitbox_area_entered(area: Area2D) -> void:
+    if area.is_in_group('player_weapon_1'):
+        health -= 1
+        $Sprite.self_modulate = Color(1, 0, 0)
+        $Hit.start()
+    elif area.is_in_group('player_weapon_2'):
+        health -= 2
+        $Sprite.self_modulate = Color(1, 0, 0)
+        $Hit.start()
+
+    if health <= 0:
+        emit_signal('death')
+        call_deferred('queue_free')
+    return
+
+
+func _on_player_detector_body_entered(body: Node) -> void:
+    if body.is_in_group('player'):
+        player = body
+    return
+
+
+func _on_player_detector_body_exited(body: Node) -> void:
+    if body.is_in_group('player'):
+        player = null
+    return