feat: Implement core game mechanics including player, enemies, bullets, HUD, and level setup.

.editorconfig

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+charset = utf-8

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+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf

.gitignore

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+# Godot 4+ specific ignores
+.godot/
+/android/

.vscode/settings.json

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+{
+    "godotTools.editorPath.godot4": "/home/mathias/Desktop/Godot_v4.5.1-stable_linux.x86_64"
+}

assets/cat_tank_hull.png.import

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+type="CompressedTexture2D"
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+path="res://.godot/imported/cat_tank_hull.png-a49130f175b9a61446fee1a66af4f122.ctex"
+metadata={
+"vram_texture": false
+}
+
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assets/cat_tank_turret.png.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://ddktwa3t2dnlv"
+path="res://.godot/imported/cat_tank_turret.png-457811b15b6bbddead7047b686919c6d.ctex"
+metadata={
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+
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+process/hdr_as_srgb=false
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+process/size_limit=0
+detect_3d/compress_to=1

icon.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="128" height="128"><rect width="124" height="124" x="2" y="2" fill="#363d52" stroke="#212532" stroke-width="4" rx="14"/><g fill="#fff" transform="translate(12.322 12.322)scale(.101)"><path d="M105 673v33q407 354 814 0v-33z"/><path fill="#478cbf" d="m105 673 152 14q12 1 15 14l4 67 132 10 8-61q2-11 15-15h162q13 4 15 15l8 61 132-10 4-67q3-13 15-14l152-14V427q30-39 56-81-35-59-83-108-43 20-82 47-40-37-88-64 7-51 8-102-59-28-123-42-26 43-46 89-49-7-98 0-20-46-46-89-64 14-123 42 1 51 8 102-48 27-88 64-39-27-82-47-48 49-83 108 26 42 56 81zm0 33v39c0 276 813 276 814 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H446l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z"/><path d="M483 600c0 34 58 34 58 0v-86c0-34-58-34-58 0z"/><circle cx="725" cy="526" r="90"/><circle cx="299" cy="526" r="90"/></g><g fill="#414042" transform="translate(12.322 12.322)scale(.101)"><circle cx="307" cy="532" r="60"/><circle cx="717" cy="532" r="60"/></g></svg>

icon.svg.import

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+[remap]
+
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+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false

project.godot

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+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[application]
+
+config/name="CatTank"
+run/main_scene="uid://cfwyr25ftoqpk"
+config/features=PackedStringArray("4.5", "Forward Plus")
+config/icon="res://icon.svg"
+
+[input]
+
+kb_w={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":87,"key_label":0,"unicode":119,"location":0,"echo":false,"script":null)
+]
+}
+kb_a={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":65,"key_label":0,"unicode":97,"location":0,"echo":false,"script":null)
+]
+}
+kb_s={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":83,"key_label":0,"unicode":115,"location":0,"echo":false,"script":null)
+]
+}
+kb_d={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":68,"key_label":0,"unicode":100,"location":0,"echo":false,"script":null)
+]
+}
+
+[rendering]
+
+textures/canvas_textures/default_texture_filter=0

scenes/ammo_pickup.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://mmopickup123"]
+
+[ext_resource type="Script" path="res://scripts/ammo_pickup.gd" id="1_pickup"]
+[ext_resource type="Texture2D" uid="uid://ddmjl3yshqcjw" path="res://icon.svg" id="2_icon"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_pickup"]
+size = Vector2(32, 32)
+
+[node name="AmmoPickup" type="Area2D"]
+script = ExtResource("1_pickup")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+modulate = Color(0, 1, 0, 1)
+scale = Vector2(0.25, 0.25)
+texture = ExtResource("2_icon")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("RectangleShape2D_pickup")

scenes/bullet.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://b6x4y208a1b2c"]
+
+[ext_resource type="Script" path="res://scripts/bullet.gd" id="1_bullet"]
+[ext_resource type="Texture2D" uid="uid://ddmjl3yshqcjw" path="res://icon.svg" id="2_icon"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_1"]
+size = Vector2(16, 16)
+
+[node name="Bullet" type="Area2D"]
+script = ExtResource("1_bullet")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+scale = Vector2(0.2, 0.2)
+texture = ExtResource("2_icon")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("RectangleShape2D_1")

scenes/bullet_ap.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://bulletap12345"]
+
+[ext_resource type="Script" path="res://scripts/bullet.gd" id="1_bullet"]
+[ext_resource type="Texture2D" uid="uid://ddmjl3yshqcjw" path="res://icon.svg" id="2_icon"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_1"]
+size = Vector2(16, 16)
+
+[node name="BulletAP" type="Area2D"]
+script = ExtResource("1_bullet")
+speed = 700.0
+damage = 50.0
+ammo_type = 0
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+scale = Vector2(0.2, 0.2)
+texture = ExtResource("2_icon")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("RectangleShape2D_1")

scenes/bullet_he.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://bullethe68aa0"]
+
+[ext_resource type="Script" path="res://scripts/bullet.gd" id="1_bullet"]
+[ext_resource type="Texture2D" uid="uid://ddmjl3yshqcjw" path="res://icon.svg" id="2_icon"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_1"]
+size = Vector2(20, 20)
+
+[node name="BulletHE" type="Area2D"]
+script = ExtResource("1_bullet")
+speed = 400.0
+damage = 20.0
+ammo_type = 1
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+modulate = Color(1, 0, 0, 1)
+scale = Vector2(0.25, 0.25)
+texture = ExtResource("2_icon")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("RectangleShape2D_1")

scenes/enemy.tscn

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+[gd_scene load_steps=5 format=3 uid="uid://enemy1234567"]
+
+[ext_resource type="Script" path="res://scripts/enemy.gd" id="1_enemy"]
+[ext_resource type="Texture2D" uid="uid://bxvveyvfp8gmq" path="res://assets/cat_tank_hull.png" id="2_hull"]
+[ext_resource type="Texture2D" uid="uid://ddktwa3t2dnlv" path="res://assets/cat_tank_turret.png" id="3_turret"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_enemy"]
+radius = 24.0
+
+[node name="Enemy" type="CharacterBody2D"]
+script = ExtResource("1_enemy")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+modulate = Color(1, 0.5, 0.5, 1)
+rotation = 1.5707964
+texture = ExtResource("2_hull")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("CircleShape2D_enemy")
+
+[node name="Turret" type="Node2D" parent="."]
+
+[node name="Sprite2D" type="Sprite2D" parent="Turret"]
+modulate = Color(1, 0.5, 0.5, 1)
+rotation = 1.5707964
+texture = ExtResource("3_turret")
+
+[node name="HealthBar" type="ProgressBar" parent="."]
+offset_left = -24.0
+offset_top = -40.0
+offset_right = 24.0
+offset_bottom = -34.0
+show_percentage = false

scenes/hud.tscn

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+[gd_scene load_steps=2 format=3 uid="uid://hud12345678"]
+
+[ext_resource type="Script" path="res://scripts/hud.gd" id="1_hud"]
+
+[node name="HUD" type="CanvasLayer"]
+script = ExtResource("1_hud")
+
+[node name="Control" type="Control" parent="."]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+mouse_filter = 2
+
+[node name="HealthBar" type="ProgressBar" parent="Control"]
+layout_mode = 0
+offset_left = 20.0
+offset_top = 20.0
+offset_right = 220.0
+offset_bottom = 50.0
+value = 100.0
+
+[node name="AmmoContainer" type="VBoxContainer" parent="Control"]
+layout_mode = 1
+anchors_preset = 3
+anchor_left = 1.0
+anchor_top = 1.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = -150.0
+offset_top = -80.0
+offset_right = -20.0
+offset_bottom = -20.0
+grow_horizontal = 0
+grow_vertical = 0
+
+[node name="APLabel" type="Label" parent="Control/AmmoContainer"]
+layout_mode = 2
+text = "AP: 20"
+horizontal_alignment = 2
+
+[node name="HELabel" type="Label" parent="Control/AmmoContainer"]
+layout_mode = 2
+text = "HE: 10"
+horizontal_alignment = 2
+
+[node name="GameOverScreen" type="Control" parent="."]
+visible = false
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="ColorRect" type="ColorRect" parent="GameOverScreen"]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+color = Color(0, 0, 0, 0.5)
+
+[node name="Label" type="Label" parent="GameOverScreen"]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -46.0
+offset_top = -13.0
+offset_right = 46.0
+offset_bottom = 13.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_font_sizes/font_size = 32
+text = "GAME OVER"
+
+[node name="RestartButton" type="Button" parent="GameOverScreen"]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -48.0
+offset_top = 40.0
+offset_right = 48.0
+offset_bottom = 71.0
+grow_horizontal = 2
+grow_vertical = 2
+text = "Restart"
+
+[connection signal="pressed" from="GameOverScreen/RestartButton" to="." method="_on_restart_button_pressed"]

scenes/level_0.tscn

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+[gd_scene load_steps=6 format=3 uid="uid://cfwyr25ftoqpk"]
+
+[ext_resource type="PackedScene" uid="uid://cywexaqp3mvxh" path="res://scenes/player.tscn" id="1_7wnc2"]
+[ext_resource type="Script" uid="uid://m3ii2yiagrn1" path="res://scripts/level_0.gd" id="1_level"]
+[ext_resource type="Script" uid="uid://bgbuwhxk7uqah" path="res://scripts/spawner.gd" id="2_spawner"]
+[ext_resource type="PackedScene" uid="uid://enemy1234567" path="res://scenes/enemy.tscn" id="3_enemy"]
+[ext_resource type="PackedScene" path="res://scenes/hud.tscn" id="4_hud"]
+[ext_resource type="Script" path="res://scripts/camera_zoom.gd" id="5_camera"]
+[ext_resource type="Script" path="res://scripts/ammo_spawner.gd" id="6_ammo_spawner"]
+
+[node name="Level0" type="Node2D"]
+script = ExtResource("1_level")
+
+[node name="player" parent="." instance=ExtResource("1_7wnc2")]
+position = Vector2(234, 192)
+
+[node name="Camera2D" type="Camera2D" parent="player"]
+zoom = Vector2(3, 3)
+script = ExtResource("5_camera")
+
+[node name="Spawner" type="Node" parent="."]
+script = ExtResource("2_spawner")
+enemy_scene = ExtResource("3_enemy")
+
+[node name="AmmoSpawner" type="Node" parent="."]
+script = ExtResource("6_ammo_spawner")
+
+[node name="HUD" parent="." instance=ExtResource("4_hud")]

scenes/player.tscn

@@ -0,0 +1,26 @@
+[gd_scene load_steps=6 format=3 uid="uid://cywexaqp3mvxh"]
+
+[ext_resource type="Script" uid="uid://b1bepj67ddf6c" path="res://scripts/player.gd" id="1_g2els"]
+[ext_resource type="Texture2D" uid="uid://bxvveyvfp8gmq" path="res://assets/cat_tank_hull.png" id="2_dqkch"]
+[ext_resource type="Script" uid="uid://8jk475ak64ud" path="res://scripts/turret.gd" id="3_qhqgy"]
+[ext_resource type="Texture2D" uid="uid://ddktwa3t2dnlv" path="res://assets/cat_tank_turret.png" id="4_qlg0r"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_tuyoq"]
+radius = 24.0
+
+[node name="tank" type="CharacterBody2D"]
+script = ExtResource("1_g2els")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+rotation = 1.5707964
+texture = ExtResource("2_dqkch")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("CircleShape2D_tuyoq")
+
+[node name="turret" type="Node2D" parent="."]
+script = ExtResource("3_qhqgy")
+
+[node name="Sprite2D" type="Sprite2D" parent="turret"]
+rotation = 1.5707964
+texture = ExtResource("4_qlg0r")

scripts/ammo_pickup.gd

@@ -0,0 +1,14 @@
+extends Area2D
+
+@export_enum("AP", "HE") var ammo_type: int = 0
+@export var amount: int = 10
+
+func _ready():
+	body_entered.connect(_on_body_entered)
+
+func _on_body_entered(body):
+	if body.is_in_group("player"):
+		var turret = body.get_node_or_null("turret")
+		if turret and turret.has_method("add_ammo"):
+			turret.add_ammo(ammo_type, amount)
+			queue_free()

scripts/ammo_pickup.gd.uid

@@ -0,0 +1 @@
+uid://6gehiohye62a

scripts/ammo_spawner.gd

@@ -0,0 +1,34 @@
+extends Node
+
+@export var ammo_scene: PackedScene = preload("res://scenes/ammo_pickup.tscn")
+@export var spawn_interval_min: float = 5.0
+@export var spawn_interval_max: float = 15.0
+@export var spawn_radius: float = 300.0
+
+func _ready():
+	spawn_loop()
+
+func spawn_loop():
+	var wait_time = randf_range(spawn_interval_min, spawn_interval_max)
+	await get_tree().create_timer(wait_time).timeout
+	spawn_ammo()
+	spawn_loop()
+
+func spawn_ammo():
+	var player = get_tree().get_first_node_in_group("player")
+	if not player:
+		return
+		
+	var pickup = ammo_scene.instantiate()
+	
+	# Randomize type
+	pickup.ammo_type = randi() % 2 # 0 or 1
+	pickup.amount = 10 if pickup.ammo_type == 0 else 5 # More AP than HE
+	
+	# Random position around player
+	var angle = randf() * TAU
+	var distance = randf_range(100.0, spawn_radius)
+	var pos = player.global_position + Vector2.RIGHT.rotated(angle) * distance
+	
+	pickup.global_position = pos
+	get_parent().add_child(pickup)

scripts/ammo_spawner.gd.uid

@@ -0,0 +1 @@
+uid://pdbp514t20bf

scripts/bullet.gd

@@ -0,0 +1,44 @@
+extends Area2D
+
+@export var speed: float = 500.0
+@export var lifetime: float = 2.0
+@export var damage: float = 10.0
+@export_enum("AP", "HE") var ammo_type: int = 0
+@export var explosion_radius: float = 100.0
+var shooter_group: String = "player"
+
+func _ready():
+	# Connect collision signal
+	body_entered.connect(_on_body_entered)
+	
+	# Delete bullet after lifetime seconds
+	await get_tree().create_timer(lifetime).timeout
+	queue_free()
+
+func _physics_process(delta):
+	position += Vector2.RIGHT.rotated(rotation) * speed * delta
+
+func _on_body_entered(body):
+	if body.is_in_group(shooter_group):
+		return
+
+	if ammo_type == 0: # AP
+		if body.has_method("take_damage"):
+			body.take_damage(damage)
+	elif ammo_type == 1: # HE
+		explode()
+	
+	queue_free()
+
+func explode():
+	# Visual effect could go here
+	# Find all potential targets
+	# If shooter is player, target enemies. If shooter is enemy, target player.
+	var target_group = "enemy" if shooter_group == "player" else "player"
+	var targets = get_tree().get_nodes_in_group(target_group)
+	
+	for target in targets:
+		var distance = global_position.distance_to(target.global_position)
+		if distance <= explosion_radius:
+			if target.has_method("take_damage"):
+				target.take_damage(damage)

scripts/bullet.gd.uid

@@ -0,0 +1 @@
+uid://c362pdnaor5td

scripts/camera_zoom.gd

@@ -0,0 +1,24 @@
+extends Camera2D
+
+@export var zoom_speed: float = 0.5
+@export var min_zoom: float = 1.0
+@export var max_zoom: float = 5.0
+@export var zoom_smoothing: float = 10.0
+
+var target_zoom: Vector2
+
+func _ready():
+	target_zoom = zoom
+
+func _process(delta):
+	zoom = zoom.lerp(target_zoom, zoom_smoothing * delta)
+
+func _unhandled_input(event):
+	if event is InputEventMouseButton:
+		if event.is_pressed():
+			if event.button_index == MOUSE_BUTTON_WHEEL_UP:
+				target_zoom += Vector2(zoom_speed, zoom_speed)
+			elif event.button_index == MOUSE_BUTTON_WHEEL_DOWN:
+				target_zoom -= Vector2(zoom_speed, zoom_speed)
+			
+			target_zoom = target_zoom.clamp(Vector2(min_zoom, min_zoom), Vector2(max_zoom, max_zoom))

scripts/camera_zoom.gd.uid

@@ -0,0 +1 @@
+uid://cm8prlxndx0kk

scripts/enemy.gd

@@ -0,0 +1,65 @@
+extends CharacterBody2D
+
+@export var speed: float = 100.0
+@export var max_health: float = 100.0
+var current_health: float
+
+var player: Node2D
+@onready var health_bar = $HealthBar
+@onready var turret = $Turret
+
+@export var bullet_scene: PackedScene = preload("res://scenes/bullet.tscn")
+@export var fire_rate: float = 2.0
+var can_shoot: bool = true
+
+func _ready():
+	add_to_group("enemy")
+	current_health = max_health
+	if health_bar:
+		health_bar.max_value = max_health
+		health_bar.value = current_health
+		health_bar.hide() # Hide initially, show on damage
+
+	# Find the player in the scene tree
+	player = get_tree().get_first_node_in_group("player")
+	if not player:
+		# Fallback: try to find by name if group not set
+		player = get_parent().get_node_or_null("player")
+
+func _physics_process(_delta):
+	if player:
+		var direction = (player.global_position - global_position).normalized()
+		velocity = direction * speed
+		rotation = direction.angle()
+		move_and_slide()
+		
+		# Aim turret at player
+		if turret:
+			turret.look_at(player.global_position)
+			
+		# Shoot if close enough
+		if global_position.distance_to(player.global_position) < 400.0 and can_shoot:
+			shoot()
+
+func shoot():
+	var bullet = bullet_scene.instantiate()
+	bullet.shooter_group = "enemy"
+	get_tree().root.add_child(bullet)
+	bullet.global_position = turret.global_position
+	bullet.global_rotation = turret.global_rotation
+	
+	can_shoot = false
+	await get_tree().create_timer(fire_rate).timeout
+	can_shoot = true
+
+func take_damage(amount: float):
+	current_health -= amount
+	if health_bar:
+		health_bar.show()
+		health_bar.value = current_health
+	
+	if current_health <= 0:
+		die()
+
+func die():
+	queue_free()

scripts/enemy.gd.uid

@@ -0,0 +1 @@
+uid://b48lm617ynd2n

scripts/hud.gd

@@ -0,0 +1,22 @@
+extends CanvasLayer
+
+@onready var health_bar = $Control/HealthBar
+@onready var game_over_screen = $GameOverScreen
+@onready var ap_label = $Control/AmmoContainer/APLabel
+@onready var he_label = $Control/AmmoContainer/HELabel
+
+func update_health(current, max_val):
+	health_bar.max_value = max_val
+	health_bar.value = current
+
+func update_ammo(ap, he):
+	ap_label.text = "AP: " + str(ap)
+	he_label.text = "HE: " + str(he)
+
+func show_game_over():
+	game_over_screen.show()
+	get_tree().paused = true
+
+func _on_restart_button_pressed():
+	get_tree().paused = false
+	get_tree().reload_current_scene()

scripts/hud.gd.uid

@@ -0,0 +1 @@
+uid://cqp2fhlqjmigi

scripts/level_0.gd

@@ -0,0 +1,13 @@
+extends Node2D
+
+@onready var player = $player
+@onready var hud = $HUD
+
+func _ready():
+	if player:
+		player.health_changed.connect(hud.update_health)
+		player.died.connect(hud.show_game_over)
+		
+		var turret = player.get_node("turret")
+		if turret:
+			turret.ammo_changed.connect(hud.update_ammo)

scripts/level_0.gd.uid

@@ -0,0 +1 @@
+uid://m3ii2yiagrn1

scripts/player.gd

@@ -0,0 +1,47 @@
+extends CharacterBody2D
+
+
+@export var max_speed: float = 150.0
+@export var acceleration: float = 250.0
+@export var deceleration: float = 120.0
+@export var rotation_speed: float = 2.5
+@export var max_health: float = 100.0
+
+signal health_changed(current, max)
+signal died
+
+var current_health: float
+
+func _ready():
+	add_to_group("player")
+	current_health = max_health
+	health_changed.emit(current_health, max_health)
+
+func take_damage(amount: float):
+	current_health -= amount
+	health_changed.emit(current_health, max_health)
+	
+	if current_health <= 0:
+		die()
+
+func die():
+	died.emit()
+
+func _physics_process(delta):
+	#rotate
+	var turn_input = Input.get_action_strength("kb_d") - Input.get_action_strength("kb_a")
+	rotation += turn_input * rotation_speed * delta
+
+	#move
+	var move_input = Input.get_action_strength("kb_w") - Input.get_action_strength("kb_s")
+	
+	#current hull direction
+	var forward_dir = Vector2.RIGHT.rotated(rotation)
+	
+	#calc velocity
+	var forward_speed = velocity.dot(forward_dir)
+	var target_speed = move_input * max_speed
+	forward_speed = move_toward(forward_speed, target_speed, (acceleration if move_input != 0 else deceleration) * delta)
+	velocity = forward_dir * forward_speed
+	
+	move_and_slide()

scripts/player.gd.uid

@@ -0,0 +1 @@
+uid://b1bepj67ddf6c

scripts/spawner.gd

@@ -0,0 +1,36 @@
+extends Node
+
+@export var enemy_scene: PackedScene
+@export var min_spawn_time: float = 1.0
+@export var max_spawn_time: float = 7.0
+
+func _ready():
+	start_spawn_timer()
+
+func start_spawn_timer():
+	var time = randf_range(min_spawn_time, max_spawn_time)
+	await get_tree().create_timer(time).timeout
+	spawn_enemy()
+	start_spawn_timer()
+
+func spawn_enemy():
+	if not enemy_scene:
+		return
+		
+	var enemy = enemy_scene.instantiate()
+	get_parent().add_child(enemy)
+	
+	# Calculate random position outside the screen
+	var viewport_rect = get_viewport().get_visible_rect()
+	var camera = get_viewport().get_camera_2d()
+	var center = Vector2.ZERO
+	if camera:
+		center = camera.get_screen_center_position()
+		# Adjust rect size for zoom
+		viewport_rect.size /= camera.zoom
+	
+	# Pick a random angle and a distance slightly larger than half the diagonal
+	var angle = randf() * TAU
+	var distance = viewport_rect.size.length() / 2.0 + 100.0 # +100 buffer
+	
+	enemy.global_position = center + Vector2.RIGHT.rotated(angle) * distance

scripts/spawner.gd.uid

@@ -0,0 +1 @@
+uid://bgbuwhxk7uqah

scripts/turret.gd

@@ -0,0 +1,74 @@
+extends Node2D
+
+@export var rotation_speed: float = 3.0
+@export var bullet_ap_scene: PackedScene = preload("res://scenes/bullet_ap.tscn")
+@export var bullet_he_scene: PackedScene = preload("res://scenes/bullet_he.tscn")
+@export var fire_rate: float = 0.5
+
+@export var max_ammo_ap: int = 20
+@export var max_ammo_he: int = 10
+var ammo_ap: int
+var ammo_he: int
+
+signal ammo_changed(ap, he)
+
+enum AmmoType {AP, HE}
+var current_ammo_type: AmmoType = AmmoType.AP
+
+var can_shoot: bool = true
+
+func _ready():
+	ammo_ap = max_ammo_ap
+	ammo_he = max_ammo_he
+	# Defer emit to ensure connections are ready
+	call_deferred("emit_ammo_signal")
+
+func emit_ammo_signal():
+	ammo_changed.emit(ammo_ap, ammo_he)
+
+func _process(delta):
+	var mouse_pos = get_global_mouse_position()
+	var target_angle = (mouse_pos - global_position).angle()
+
+	# Sanftes Nachdrehen
+	var angle_diff = wrapf(target_angle - global_rotation, -PI, PI)
+	global_rotation += clamp(angle_diff, -rotation_speed * delta, rotation_speed * delta)
+
+	if Input.is_key_pressed(KEY_1):
+		current_ammo_type = AmmoType.AP
+	if Input.is_key_pressed(KEY_2):
+		current_ammo_type = AmmoType.HE
+
+	if Input.is_mouse_button_pressed(MOUSE_BUTTON_LEFT) and can_shoot:
+		shoot()
+
+func shoot():
+	if current_ammo_type == AmmoType.AP:
+		if ammo_ap > 0:
+			ammo_ap -= 1
+		else:
+			return # Out of ammo
+	elif current_ammo_type == AmmoType.HE:
+		if ammo_he > 0:
+			ammo_he -= 1
+		else:
+			return # Out of ammo
+			
+	ammo_changed.emit(ammo_ap, ammo_he)
+
+	var bullet_scene = bullet_ap_scene if current_ammo_type == AmmoType.AP else bullet_he_scene
+	var bullet = bullet_scene.instantiate()
+	get_tree().root.add_child(bullet)
+	bullet.global_position = global_position
+	bullet.global_rotation = global_rotation
+	
+	can_shoot = false
+	await get_tree().create_timer(fire_rate).timeout
+	can_shoot = true
+
+func add_ammo(type_index: int, amount: int):
+	if type_index == 0: # AP
+		ammo_ap += amount
+	elif type_index == 1: # HE
+		ammo_he += amount
+	ammo_changed.emit(ammo_ap, ammo_he)

scripts/turret.gd.uid

@@ -0,0 +1 @@
+uid://8jk475ak64ud