Dodanie wrogów i dzwieków broni

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+[gd_scene load_steps=3 format=3]
+
+[ext_resource type="Script" path="res://scripts/game/enemy_ship.gd" id="1_enemy"]
+
+[sub_resource type="CircleShape2D" id="EnemyCollision"]
+radius = 22.0
+
+[node name="EnemyShip" type="CharacterBody2D"]
+collision_layer = 4
+collision_mask = 2
+script = ExtResource("1_enemy")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture_filter = 1
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("EnemyCollision")

scenes/game/game.tscn

@@ -1,9 +1,9 @@
-[gd_scene load_steps=12 format=3]
+[gd_scene format=3 uid="uid://oy4ny275s23s"]
 
-[ext_resource type="Script" path="res://scripts/game/game.gd" id="1_game"]
+[ext_resource type="Script" uid="uid://d3behbql2g2b7" path="res://scripts/game/game.gd" id="1_game"]
-[ext_resource type="Script" path="res://scripts/game/space_level_background.gd" id="2_background"]
+[ext_resource type="Script" uid="uid://b20w2c0ucytmg" path="res://scripts/game/space_level_background.gd" id="2_background"]
 [ext_resource type="PackedScene" path="res://scenes/game/player_ship.tscn" id="3_player"]
-[ext_resource type="Script" path="res://scripts/game/flight_hud.gd" id="4_hud"]
+[ext_resource type="Script" uid="uid://bcfvflaqnmfa5" path="res://scripts/game/flight_hud.gd" id="4_hud"]
 [ext_resource type="PackedScene" path="res://scenes/ui/ship_equipment_panel.tscn" id="5_equipment"]
 [ext_resource type="PackedScene" path="res://scenes/ui/ship_inventory_panel.tscn" id="6_inventory"]
 [ext_resource type="PackedScene" path="res://scenes/game/weapon_test_target.tscn" id="7_target"]
@@ -20,42 +20,41 @@ size = Vector2(40, 3600)
 [sub_resource type="RectangleShape2D" id="RightWall"]
 size = Vector2(40, 3600)
 
-[node name="Game" type="Node2D"]
+[node name="Game" type="Node2D" unique_id=1630707678]
 script = ExtResource("1_game")
 
-[node name="SpaceBackground" type="Node2D" parent="."]
+[node name="SpaceBackground" type="Node2D" parent="." unique_id=300719476]
 z_index = -20
 script = ExtResource("2_background")
 
-[node name="WorldBounds" type="StaticBody2D" parent="."]
+[node name="WorldBounds" type="StaticBody2D" parent="." unique_id=1631186063]
-collision_layer = 1
 collision_mask = 0
 
-[node name="TopWall" type="CollisionShape2D" parent="WorldBounds"]
+[node name="TopWall" type="CollisionShape2D" parent="WorldBounds" unique_id=408485617]
 position = Vector2(0, -1780)
 shape = SubResource("TopWall")
 
-[node name="BottomWall" type="CollisionShape2D" parent="WorldBounds"]
+[node name="BottomWall" type="CollisionShape2D" parent="WorldBounds" unique_id=264280939]
 position = Vector2(0, 1780)
 shape = SubResource("BottomWall")
 
-[node name="LeftWall" type="CollisionShape2D" parent="WorldBounds"]
+[node name="LeftWall" type="CollisionShape2D" parent="WorldBounds" unique_id=1859447770]
 position = Vector2(-2580, 0)
 shape = SubResource("LeftWall")
 
-[node name="RightWall" type="CollisionShape2D" parent="WorldBounds"]
+[node name="RightWall" type="CollisionShape2D" parent="WorldBounds" unique_id=1866196697]
 position = Vector2(2580, 0)
 shape = SubResource("RightWall")
 
-[node name="PlayerShip" parent="." instance=ExtResource("3_player")]
+[node name="PlayerShip" parent="." unique_id=1837545573 instance=ExtResource("3_player")]
 
-[node name="WeaponTestTarget" parent="." instance=ExtResource("7_target")]
+[node name="WeaponTestTarget" parent="." unique_id=1240462223 instance=ExtResource("7_target")]
 position = Vector2(240, 0)
 
-[node name="HUD" type="CanvasLayer" parent="."]
+[node name="HUD" type="CanvasLayer" parent="." unique_id=733012261]
 script = ExtResource("4_hud")
 
-[node name="HUDRoot" type="Control" parent="HUD"]
+[node name="HUDRoot" type="Control" parent="HUD" unique_id=539413585]
 layout_mode = 3
 anchors_preset = 15
 anchor_right = 1.0
@@ -64,24 +63,51 @@ grow_horizontal = 2
 grow_vertical = 2
 mouse_filter = 2
 
-[node name="DebugToggle" type="Button" parent="HUD/HUDRoot"]
+[node name="DebugToggle" type="Button" parent="HUD/HUDRoot" unique_id=1861951018]
+layout_mode = 0
 offset_left = 18.0
 offset_top = 16.0
 offset_right = 110.0
 offset_bottom = 42.0
-flat = true
 theme_override_colors/font_color = Color(0.72, 0.88, 0.98, 1)
 text = "DEBUG [−]"
+flat = true
 
-[node name="DebugInfo" type="Label" parent="HUD/HUDRoot"]
+[node name="DebugInfo" type="Label" parent="HUD/HUDRoot" unique_id=604915599]
+layout_mode = 0
 offset_left = 22.0
 offset_top = 48.0
 offset_right = 295.0
 offset_bottom = 420.0
 theme_override_colors/font_color = Color(0.72, 0.88, 0.98, 1)
 theme_override_font_sizes/font_size = 11
-text = "STATEK\nKADŁUB:  100 / 100\nTARCZE:  100 / 100\nENERGIA: 100 / 100"
+text = "STATEK
+KADŁUB:  100 / 100
+TARCZE:  100 / 100
+ENERGIA: 100 / 100"
 
-[node name="ShipEquipmentPanel" parent="HUD/HUDRoot" instance=ExtResource("5_equipment")]
+[node name="ShipEquipmentPanel" parent="HUD/HUDRoot" unique_id=1637844841 instance=ExtResource("5_equipment")]
+layout_mode = 0
+anchors_preset = 1
+anchor_left = 1.0
+anchor_right = 1.0
+offset_left = -248.0
+offset_top = 14.0
+offset_right = -14.0
+offset_bottom = 454.0
+grow_horizontal = 0
+grow_vertical = 0
 
-[node name="ShipInventoryPanel" parent="HUD/HUDRoot" instance=ExtResource("6_inventory")]
+[node name="ShipInventoryPanel" parent="HUD/HUDRoot" unique_id=1116676462 instance=ExtResource("6_inventory")]
+layout_mode = 0
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -195.0
+offset_top = -165.0
+offset_right = 195.0
+offset_bottom = 165.0
+grow_horizontal = 2
+grow_vertical = 2

scenes/game/impact_effect.tscn

@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://scripts/game/impact_effect.gd" id="1_script"]
+
+[node name="ImpactEffect" type="Node2D"]
+script = ExtResource("1_script")

scenes/game/player_ship.tscn

@@ -1,20 +1,25 @@
-[gd_scene load_steps=5 format=3]
+[gd_scene load_steps=6 format=3]
 
 [ext_resource type="Script" path="res://scripts/game/ship_controller.gd" id="1_controller"]
 [ext_resource type="Script" path="res://scripts/items/ship_inventory.gd" id="2_inventory"]
 [ext_resource type="Script" path="res://scripts/game/weapon_controller.gd" id="3_weapons"]
+[ext_resource type="Script" path="res://scripts/game/shield_visual.gd" id="4_shield"]
 
 [sub_resource type="CircleShape2D" id="ShipCollision"]
 radius = 18.0
 
 [node name="PlayerShip" type="CharacterBody2D"]
 collision_layer = 2
-collision_mask = 1
+collision_mask = 5
 script = ExtResource("1_controller")
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
 texture_filter = 1
 
+[node name="ShieldVisual" type="Node2D" parent="."]
+z_index = 2
+script = ExtResource("4_shield")
+
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 shape = SubResource("ShipCollision")
 

scenes/game/weapon_projectile.tscn

@@ -7,7 +7,7 @@ radius = 6.0
 
 [node name="WeaponProjectile" type="Area2D"]
 collision_layer = 0
-collision_mask = 5
+collision_mask = 13
 monitoring = true
 monitorable = false
 script = ExtResource("1_projectile")

scenes/game/weapon_test_target.tscn

@@ -7,7 +7,7 @@
 radius = 27.0
 
 [node name="WeaponTestTarget" type="StaticBody2D"]
-collision_layer = 4
+collision_layer = 8
 collision_mask = 0
 script = ExtResource("1_script")
 

scripts/game/enemy_plasma_projectile.gd

@@ -0,0 +1,49 @@
+extends Area2D
+
+const DAMAGE_POPUP_SCENE := preload("res://scenes/game/damage_popup.tscn")
+const IMPACT_EFFECT_SCENE := preload("res://scenes/game/impact_effect.tscn")
+
+var direction := Vector2.UP
+var projectile_speed := 300.0
+var damage := 8.0
+var max_range := 1000.0
+var _distance_travelled := 0.0
+
+func _ready() -> void:
+	body_entered.connect(_on_body_entered)
+
+func configure(start_position: Vector2, travel_direction: Vector2, projectile_damage: float) -> void:
+	global_position = start_position
+	direction = travel_direction.normalized()
+	damage = projectile_damage
+	rotation = direction.angle()
+
+func _physics_process(delta: float) -> void:
+	var step := projectile_speed * delta
+	var next_position := global_position + direction * step
+	var query := PhysicsRayQueryParameters2D.create(global_position, next_position, collision_mask, [get_rid()])
+	var hit := get_world_2d().direct_space_state.intersect_ray(query)
+	if not hit.is_empty():
+		global_position = hit["position"]
+		_hit_target(hit.get("collider"))
+		return
+	global_position = next_position
+	_distance_travelled += step
+	if _distance_travelled >= max_range:
+		queue_free()
+
+func _draw() -> void:
+	draw_circle(Vector2.ZERO, 6.0, Color(1.0, 0.24, 0.32, 0.98))
+	draw_circle(Vector2.ZERO, 3.0, Color(1.0, 0.82, 0.7, 1.0))
+
+func _on_body_entered(body: Node2D) -> void:
+	_hit_target(body)
+
+func _hit_target(target: Variant) -> void:
+	var effect := IMPACT_EFFECT_SCENE.instantiate() as Node2D
+	effect.global_position = global_position
+	get_parent().add_child(effect)
+	effect.call("configure", false, Color(1.0, 0.32, 0.38))
+	if target is Node and target.has_method("take_damage"):
+		target.call("take_damage", damage)
+	queue_free()

scripts/game/enemy_plasma_projectile.gd.uid

@@ -0,0 +1 @@
+uid://c47empdk2n8j4

scripts/game/enemy_ship.gd

@@ -0,0 +1,94 @@
+extends CharacterBody2D
+
+const DAMAGE_POPUP_SCENE := preload("res://scenes/game/damage_popup.tscn")
+const IMPACT_EFFECT_SCENE := preload("res://scenes/game/impact_effect.tscn")
+const PLASMA_PROJECTILE_SCENE := preload("res://scenes/game/enemy_plasma_projectile.tscn")
+const WEAPON_AUDIO_SCRIPT := preload("res://scripts/game/weapon_audio.gd")
+
+@export var max_hull := 50.0
+@export var activation_range := 760.0
+@export var approach_speed := 62.0
+@export var approach_acceleration := 85.0
+@export var turn_speed := 1.8
+@export var weapon_range := 680.0
+@export var weapon_cooldown := 1.5
+@export var weapon_damage := 8.0
+
+var hull := 50.0
+var _player: CharacterBody2D
+var _activated := false
+var _sprite: Sprite2D
+var _weapon_timer := 0.0
+
+func _ready() -> void:
+	hull = max_hull
+	_sprite = $Sprite2D
+	add_to_group("enemies")
+	_weapon_timer = randf_range(0.2, weapon_cooldown)
+
+func configure(player: CharacterBody2D, ship_texture: Texture2D) -> void:
+	_player = player
+	_sprite = $Sprite2D
+	_sprite.texture = ship_texture
+	var largest_dimension := maxf(ship_texture.get_width(), ship_texture.get_height())
+	_sprite.scale = Vector2.ONE * (56.0 / largest_dimension)
+
+func _physics_process(delta: float) -> void:
+	if not is_instance_valid(_player):
+		velocity = velocity.move_toward(Vector2.ZERO, approach_acceleration * delta)
+		move_and_slide()
+		return
+
+	var to_player := _player.global_position - global_position
+	if to_player.length() <= activation_range:
+		_activated = true
+	if _activated and to_player.length_squared() > 1.0:
+		var direction := to_player.normalized()
+		var desired_rotation := direction.angle() + PI * 0.5
+		rotation = rotate_toward(rotation, desired_rotation, turn_speed * delta)
+		velocity = velocity.move_toward(direction * approach_speed, approach_acceleration * delta)
+		_weapon_timer = maxf(0.0, _weapon_timer - delta)
+		if to_player.length() <= weapon_range and _weapon_timer <= 0.0:
+			_fire_plasma(direction)
+			_weapon_timer = weapon_cooldown
+	else:
+		velocity = velocity.move_toward(Vector2.ZERO, approach_acceleration * delta)
+
+	move_and_slide()
+	_check_player_collision()
+
+func _check_player_collision() -> void:
+	for collision_index in get_slide_collision_count():
+		var collision := get_slide_collision(collision_index)
+		if collision.get_collider() == _player and _player.has_method("register_enemy_collision"):
+			_player.call("register_enemy_collision", global_position)
+
+func _fire_plasma(direction: Vector2) -> void:
+	var projectile := PLASMA_PROJECTILE_SCENE.instantiate() as Area2D
+	projectile.call("configure", global_position + direction * 28.0, direction, weapon_damage)
+	get_parent().add_child(projectile)
+	WEAPON_AUDIO_SCRIPT.play(get_parent(), global_position, ItemDefinition.WeaponKind.PLASMA, -10.0)
+
+func take_damage(amount: float) -> void:
+	hull = maxf(0.0, hull - amount)
+	_show_damage_popup(amount)
+	if hull <= 0.0:
+		_spawn_destruction_effect()
+		queue_free()
+
+func _spawn_destruction_effect() -> void:
+	var effect := IMPACT_EFFECT_SCENE.instantiate() as Node2D
+	effect.global_position = global_position
+	get_parent().add_child(effect)
+	effect.call("configure", true, Color(1.0, 0.36, 0.18))
+
+func _show_damage_popup(amount: float) -> void:
+	var popup := DAMAGE_POPUP_SCENE.instantiate() as Label
+	popup.text = "-%s DMG" % _format_damage(amount)
+	popup.global_position = global_position + Vector2(randf_range(-16.0, 16.0), -28.0)
+	get_parent().add_child(popup)
+
+func _format_damage(amount: float) -> String:
+	if is_equal_approx(amount, roundf(amount)):
+		return str(int(roundf(amount)))
+	return "%.1f" % amount

scripts/game/enemy_ship.gd.uid

@@ -0,0 +1 @@
+uid://dlnki63o425ys

scripts/game/flight_hud.gd

@@ -30,6 +30,7 @@ KADŁUB:  %d / %d
 TARCZE:  %d / %d
 ENERGIA: %d / %d
 ENERGIA REGEN: %.1f /s
+TARCZE REGEN: %.1f /s
 
 RUCH
 PRĘDKOŚĆ: %.1f px/s
@@ -43,6 +44,7 @@ OBRÓT: %.2f rad/s""" % [
 		roundi(float(player.get("shields"))), roundi(float(player.get("max_shields"))),
 		roundi(float(player.get("energy"))), roundi(float(player.get("max_energy"))),
 		float(player.get("energy_regeneration")),
+		float(player.get("shield_regeneration")),
 		ship_velocity.length(), ship_velocity.x, ship_velocity.y,
 		ship_position.x, ship_position.y, rad_to_deg(player.rotation), angular_speed,
 	]

scripts/game/game.gd

@@ -1,6 +1,23 @@
 extends Node2D
 
 const WORLD_SIZE := Vector2(5200.0, 3600.0)
+const ENEMY_COUNT := 20
+const SAFE_ZONE_RADIUS := 440.0
+const ENEMY_MIN_SEPARATION := 240.0
+const ENEMY_SCENE := preload("res://scenes/game/enemy_ship.tscn")
+const ENEMY_TEXTURES: Array[Texture2D] = [
+	preload("res://assets/alien ship/Ship_1.png"),
+	preload("res://assets/alien ship/Ship_2.png"),
+	preload("res://assets/alien ship/Ship_3.png"),
+	preload("res://assets/alien ship/Ship_4.png"),
+	preload("res://assets/alien ship/Ship_5.png"),
+	preload("res://assets/alien ship/Ship_6.png"),
+	preload("res://assets/alien ship/Ship_7.png"),
+	preload("res://assets/alien ship/Ship_8.png"),
+	preload("res://assets/alien ship/Ship_9.png"),
+	preload("res://assets/alien ship/Ship_10.png"),
+	preload("res://assets/alien ship/Ship_11.png"),
+]
 
 @onready var player: CharacterBody2D = $PlayerShip
 
@@ -12,3 +29,31 @@ func _ready() -> void:
 		camera.limit_right = int(WORLD_SIZE.x * 0.5)
 		camera.limit_top = int(-WORLD_SIZE.y * 0.5)
 		camera.limit_bottom = int(WORLD_SIZE.y * 0.5)
+	_spawn_enemies()
+
+func _spawn_enemies() -> void:
+	var rng := RandomNumberGenerator.new()
+	rng.randomize()
+	var spawn_positions: Array[Vector2] = []
+	var attempts := 0
+	while spawn_positions.size() < ENEMY_COUNT and attempts < 3000:
+		attempts += 1
+		var candidate := Vector2(
+			rng.randf_range(-WORLD_SIZE.x * 0.5 + 130.0, WORLD_SIZE.x * 0.5 - 130.0),
+			rng.randf_range(-WORLD_SIZE.y * 0.5 + 130.0, WORLD_SIZE.y * 0.5 - 130.0)
+		)
+		if candidate.length_squared() < SAFE_ZONE_RADIUS * SAFE_ZONE_RADIUS:
+			continue
+		var too_close := false
+		for other_position in spawn_positions:
+			if candidate.distance_squared_to(other_position) < ENEMY_MIN_SEPARATION * ENEMY_MIN_SEPARATION:
+				too_close = true
+				break
+		if not too_close:
+			spawn_positions.append(candidate)
+
+	for spawn_position in spawn_positions:
+		var enemy := ENEMY_SCENE.instantiate() as CharacterBody2D
+		enemy.position = spawn_position
+		add_child(enemy)
+		enemy.call("configure", player, ENEMY_TEXTURES[rng.randi_range(0, ENEMY_TEXTURES.size() - 1)])

scripts/game/impact_effect.gd

@@ -0,0 +1,54 @@
+extends Node2D
+
+var _effect_color := Color(1.0, 0.72, 0.32)
+var _elapsed := 0.0
+var _duration := 0.28
+var _is_explosion := false
+var _directions: Array[Vector2] = []
+var _speeds: Array[float] = []
+var _sizes: Array[float] = []
+
+func configure(is_explosion: bool, effect_color: Color) -> void:
+	_is_explosion = is_explosion
+	_effect_color = effect_color
+	_duration = 0.58 if is_explosion else 0.28
+	var rng := RandomNumberGenerator.new()
+	rng.randomize()
+	var spark_count := 26 if is_explosion else 9
+	for _spark_index in spark_count:
+		_directions.append(Vector2.RIGHT.rotated(rng.randf_range(0.0, TAU)))
+		_speeds.append(rng.randf_range(70.0, 230.0) if is_explosion else rng.randf_range(65.0, 155.0))
+		_sizes.append(rng.randf_range(2.0, 5.0) if is_explosion else rng.randf_range(1.5, 3.5))
+	z_index = 40
+	queue_redraw()
+
+func _process(delta: float) -> void:
+	_elapsed += delta
+	if _elapsed >= _duration:
+		queue_free()
+		return
+	queue_redraw()
+
+func _draw() -> void:
+	var progress := clampf(_elapsed / _duration, 0.0, 1.0)
+	var fade := 1.0 - progress
+	var ring_start := 9.0 if _is_explosion else 3.0
+	var ring_growth := 72.0 if _is_explosion else 38.0
+	draw_arc(
+		Vector2.ZERO,
+		ring_start + ring_growth * progress,
+		0.0,
+		TAU,
+		40,
+		Color(_effect_color.r, _effect_color.g, _effect_color.b, fade * (0.75 if _is_explosion else 0.55)),
+		2.5 if _is_explosion else 1.5
+	)
+	if _is_explosion:
+		draw_circle(Vector2.ZERO, 18.0 * (1.0 - progress), Color(1.0, 0.82, 0.55, fade * 0.65))
+	for spark_index in _directions.size():
+		var direction := _directions[spark_index]
+		var travel := _speeds[spark_index] * _elapsed
+		var tip := direction * travel
+		var tail := tip - direction * _sizes[spark_index] * (2.0 + fade * 2.0)
+		draw_line(tail, tip, Color(_effect_color.r, _effect_color.g, _effect_color.b, fade), _sizes[spark_index])
+		draw_circle(tip, maxf(0.7, _sizes[spark_index] * 0.45), Color(1.0, 0.9, 0.72, fade))

scripts/game/impact_effect.gd.uid

@@ -0,0 +1 @@
+uid://72jgwxdutqml

scripts/game/shield_visual.gd

@@ -0,0 +1,50 @@
+extends Node2D
+
+var current_shields := 100.0
+var max_shields := 100.0
+var _hit_flash_timer := 0.0
+
+func _process(delta: float) -> void:
+	visible = current_shields > 0.0
+	if not visible:
+		return
+	_hit_flash_timer = maxf(0.0, _hit_flash_timer - delta)
+	queue_redraw()
+
+func set_shield_values(current: float, maximum: float) -> void:
+	current_shields = current
+	max_shields = maxf(1.0, maximum)
+	visible = current_shields > 0.0
+	queue_redraw()
+
+func flash_hit() -> void:
+	_hit_flash_timer = 0.22
+	queue_redraw()
+
+func _draw() -> void:
+	if current_shields <= 0.0:
+		return
+	var shield_ratio := clampf(current_shields / max_shields, 0.0, 1.0)
+	var pulse := 0.035 + (sin(float(Time.get_ticks_msec()) * 0.004) + 1.0) * 0.018
+	var flash := clampf(_hit_flash_timer / 0.22, 0.0, 1.0)
+	draw_circle(Vector2.ZERO, 35.0, Color(0.12, 0.72, 1.0, pulse + flash * 0.08))
+	draw_arc(
+		Vector2.ZERO,
+		36.0,
+		0.0,
+		TAU,
+		64,
+		Color(0.35, 0.84, 1.0, 0.3 + shield_ratio * 0.25 + flash * 0.45),
+		2.0 + flash * 2.0
+	)
+	for arc_index in 3:
+		var start_angle := float(arc_index) * TAU / 3.0 + 0.2
+		draw_arc(
+			Vector2.ZERO,
+			40.0,
+			start_angle,
+			start_angle + 0.72,
+			16,
+			Color(0.28, 0.78, 1.0, 0.28 + flash * 0.55),
+			1.5 + flash
+		)

scripts/game/shield_visual.gd.uid

@@ -0,0 +1 @@
+uid://w0t7eo1lt1b8

scripts/game/ship_controller.gd

@@ -1,11 +1,12 @@
 extends CharacterBody2D
 
 const DEFAULT_SHIP_TEXTURE := "res://assets/Ships/Spaceship_0.png"
+const IMPACT_EFFECT_SCENE := preload("res://scenes/game/impact_effect.tscn")
 
-@export var max_speed := 420.0
+@export var max_speed := 76.0
 @export var reverse_max_speed := 210.0
 @export var max_strafe_speed := 210.0
-@export var thrust_acceleration := 260.0
+@export var thrust_acceleration := 90.0
 @export var brake_acceleration := 540.0
 @export var space_drag := 24.0
 @export var max_turn_speed := 2.8
@@ -15,8 +16,9 @@ const DEFAULT_SHIP_TEXTURE := "res://assets/Ships/Spaceship_0.png"
 @export var base_max_hull := 100.0
 @export var base_max_shields := 100.0
 @export var base_max_energy := 100.0
-@export var base_max_speed := 420.0
+@export var base_max_speed := 90.0
 @export var base_energy_regeneration := 12.0
+@export var base_shield_regeneration := 0.0
 @export var max_hull := 100.0
 @export var max_shields := 100.0
 @export var max_energy := 100.0
@@ -24,9 +26,13 @@ var hull := 100.0
 var shields := 100.0
 var energy := 100.0
 var energy_regeneration := 12.0
+var shield_regeneration := 0.0
 
 var angular_velocity := 0.0
 var _sprite: Sprite2D
+var _contact_damage_timer := 0.0
+var _is_destroyed := false
+@onready var _shield_visual: Node2D = $ShieldVisual
 
 func apply_equipment_bonuses(bonuses: Dictionary) -> void:
 	max_hull = base_max_hull + float(bonuses.get("max_hull", 0.0))
@@ -34,11 +40,13 @@ func apply_equipment_bonuses(bonuses: Dictionary) -> void:
 	max_energy = base_max_energy + float(bonuses.get("max_energy", 0.0))
 	max_speed = base_max_speed + float(bonuses.get("max_speed", 0.0))
 	energy_regeneration = base_energy_regeneration + float(bonuses.get("energy_regeneration", 0.0))
+	shield_regeneration = base_shield_regeneration + float(bonuses.get("shield_regeneration", 0.0))
 	reverse_max_speed = max_speed * 0.5
 	max_strafe_speed = max_speed * 0.5
 	hull = minf(hull, max_hull)
 	shields = minf(shields, max_shields)
 	energy = minf(energy, max_energy)
+	_update_shield_visual()
 
 func _ready() -> void:
 	_ensure_input_action(&"ship_thrust", KEY_W)
@@ -58,6 +66,7 @@ func _ready() -> void:
 		_sprite.texture = ship_texture
 		var largest_dimension := maxf(ship_texture.get_width(), ship_texture.get_height())
 		_sprite.scale = Vector2.ONE * (64.0 / largest_dimension)
+	_update_shield_visual()
 
 func _ensure_input_action(action_name: StringName, physical_key: Key) -> void:
 	if not InputMap.has_action(action_name):
@@ -67,8 +76,67 @@ func _ensure_input_action(action_name: StringName, physical_key: Key) -> void:
 	if not InputMap.action_has_event(action_name, event):
 		InputMap.action_add_event(action_name, event)
 
+func take_damage(amount: float) -> void:
+	if _is_destroyed:
+		return
+	var remaining_damage := maxf(0.0, amount)
+	var shield_damage := minf(shields, remaining_damage)
+	shields -= shield_damage
+	remaining_damage -= shield_damage
+	hull = maxf(0.0, hull - remaining_damage)
+	if shield_damage > 0.0 and shields > 0.0:
+		_shield_visual.call("flash_hit")
+	_update_shield_visual()
+	if hull <= 0.0:
+		_destroy_ship()
+
+func register_enemy_collision(enemy_position: Vector2) -> void:
+	if _is_destroyed or _contact_damage_timer > 0.0:
+		return
+	var push_direction := global_position - enemy_position
+	if push_direction.length_squared() < 0.001:
+		push_direction = -velocity if velocity.length_squared() > 0.001 else Vector2.UP.rotated(rotation)
+	push_direction = push_direction.normalized()
+	velocity = velocity.bounce(push_direction) * 0.55 + push_direction * 110.0
+	_clamp_velocity_to_max_speed()
+	_contact_damage_timer = 0.8
+	_spawn_hit_effect(global_position, Color(0.65, 0.9, 1.0))
+	take_damage(max_hull * 0.01)
+
+func _spawn_hit_effect(at_position: Vector2, effect_color: Color) -> void:
+	var effect := IMPACT_EFFECT_SCENE.instantiate() as Node2D
+	effect.global_position = at_position
+	get_parent().add_child(effect)
+	effect.call("configure", false, effect_color)
+
+func _update_shield_visual() -> void:
+	if is_instance_valid(_shield_visual):
+		_shield_visual.call("set_shield_values", shields, max_shields)
+
+func _destroy_ship() -> void:
+	_is_destroyed = true
+	velocity = Vector2.ZERO
+	collision_layer = 0
+	collision_mask = 0
+	var tween := create_tween()
+	tween.tween_property(self, "modulate:a", 0.0, 1.1)
+	_restart_level_after_destruction()
+
+func _restart_level_after_destruction() -> void:
+	await get_tree().create_timer(1.1).timeout
+	if is_inside_tree():
+		get_tree().reload_current_scene()
+
 func _physics_process(delta: float) -> void:
+	if _is_destroyed:
+		return
+	_contact_damage_timer = maxf(0.0, _contact_damage_timer - delta)
 	energy = minf(max_energy, energy + energy_regeneration * delta)
+	if shield_regeneration > 0.0 and shields < max_shields:
+		var previous_shields := shields
+		shields = minf(max_shields, shields + shield_regeneration * delta)
+		if shields != previous_shields:
+			_update_shield_visual()
 	var turn_input := Input.get_axis("ship_turn_left", "ship_turn_right")
 	if not is_zero_approx(turn_input):
 		angular_velocity = move_toward(
@@ -110,4 +178,20 @@ func _physics_process(delta: float) -> void:
 	):
 		velocity = velocity.move_toward(Vector2.ZERO, space_drag * delta)
 
+	_clamp_velocity_to_max_speed()
 	move_and_slide()
+	_check_enemy_collisions()
+	_clamp_velocity_to_max_speed()
+
+func _clamp_velocity_to_max_speed() -> void:
+	var speed_squared := velocity.length_squared()
+	var max_speed_squared := max_speed * max_speed
+	if speed_squared > max_speed_squared:
+		velocity = velocity.normalized() * max_speed
+
+func _check_enemy_collisions() -> void:
+	for collision_index in get_slide_collision_count():
+		var collision := get_slide_collision(collision_index)
+		var collider := collision.get_collider()
+		if collider is Node and collider.is_in_group("enemies"):
+			register_enemy_collision(collider.global_position)

scripts/game/weapon_audio.gd

@@ -0,0 +1,34 @@
+extends RefCounted
+class_name WeaponAudio
+
+const SOUND_PATHS := {
+	ItemDefinition.WeaponKind.PLASMA: "res://assets/sounds/effects/plasma.mp3",
+	ItemDefinition.WeaponKind.MACHINE_GUN: "res://assets/sounds/effects/machine_gun.mp3",
+	ItemDefinition.WeaponKind.LASER: "res://assets/sounds/effects/laser.mp3",
+	ItemDefinition.WeaponKind.MISSILE: "res://assets/sounds/effects/rocket.mp3",
+}
+
+static var _streams: Dictionary = {}
+
+static func play(parent: Node, source_position: Vector2, weapon_kind: int, volume_db: float = -6.0) -> void:
+	if not is_instance_valid(parent):
+		return
+
+	if not SOUND_PATHS.has(weapon_kind):
+		return
+	if not _streams.has(weapon_kind):
+		var sound_path: String = SOUND_PATHS[weapon_kind]
+		_streams[weapon_kind] = AudioStreamMP3.load_from_buffer(FileAccess.get_file_as_bytes(sound_path))
+	var stream := _streams[weapon_kind] as AudioStreamMP3
+	if stream == null:
+		return
+
+	var player := AudioStreamPlayer2D.new()
+	player.stream = stream
+	player.volume_db = volume_db
+	player.max_distance = 1500.0
+	player.attenuation = 1.0
+	parent.add_child(player)
+	player.global_position = source_position
+	player.finished.connect(player.queue_free)
+	player.play()

scripts/game/weapon_audio.gd.uid

@@ -0,0 +1 @@
+uid://dtkvkp37upbru

scripts/game/weapon_controller.gd

@@ -1,7 +1,9 @@
 extends Node
 
 const PROJECTILE_SCENE := preload("res://scenes/game/weapon_projectile.tscn")
-const RAY_COLLISION_MASK := 5 # World geometry and enemies on physics layer 3.
+const IMPACT_EFFECT_SCENE := preload("res://scenes/game/impact_effect.tscn")
+const WEAPON_AUDIO_SCRIPT := preload("res://scripts/game/weapon_audio.gd")
+const RAY_COLLISION_MASK := 13 # World, enemies, and the weapon test target.
 
 @onready var ship: CharacterBody2D = get_parent()
 @onready var inventory: ShipInventory = ship.get_node("ShipInventory")
@@ -104,6 +106,7 @@ func _fire_projectile(definition: ItemDefinition, projectile_damage: float) -> v
 		definition.weapon_range
 	)
 	ship.get_parent().add_child(projectile)
+	WEAPON_AUDIO_SCRIPT.play(ship.get_parent(), ship.global_position, definition.weapon_kind)
 
 func _fire_laser(slot_index: int, definition: ItemDefinition, beam_damage: float) -> void:
 	var line := _laser_lines[slot_index]
@@ -127,8 +130,10 @@ func _fire_laser(slot_index: int, definition: ItemDefinition, beam_damage: float
 	if not _consume_energy(definition.energy_cost):
 		line.visible = false
 		return
+	WEAPON_AUDIO_SCRIPT.play(ship.get_parent(), ship.global_position, ItemDefinition.WeaponKind.LASER)
 	if not result.is_empty():
 		_apply_damage(result.get("collider"), beam_damage)
+		_spawn_laser_impact(endpoint)
 	_laser_pulse_timers[slot_index] = definition.laser_pulse_duration
 	_shot_timers[slot_index] = definition.fire_interval
 
@@ -146,3 +151,9 @@ func _consume_energy(amount: float) -> bool:
 func _apply_damage(target: Variant, damage: float) -> void:
 	if target is Node and target.has_method("take_damage"):
 		target.call("take_damage", damage)
+
+func _spawn_laser_impact(at_position: Vector2) -> void:
+	var effect := IMPACT_EFFECT_SCENE.instantiate() as Node2D
+	effect.global_position = at_position
+	ship.get_parent().add_child(effect)
+	effect.call("configure", false, Color(0.38, 0.9, 1.0))

scripts/game/weapon_projectile.gd

@@ -1,5 +1,7 @@
 extends Area2D
 
+const IMPACT_EFFECT_SCENE := preload("res://scenes/game/impact_effect.tscn")
+
 var direction := Vector2.UP
 var projectile_speed := 600.0
 var damage := 1.0
@@ -7,6 +9,7 @@ var max_range := 800.0
 var weapon_kind := ItemDefinition.WeaponKind.PLASMA
 var _distance_travelled := 0.0
 var _already_hit: Dictionary = {}
+var _impact_handled := false
 
 func _ready() -> void:
 	body_entered.connect(_on_body_entered)
@@ -67,12 +70,24 @@ func _on_area_entered(area: Area2D) -> void:
 	_hit_target(area)
 
 func _hit_target(target: Node) -> void:
+	if _impact_handled:
+		return
+	_impact_handled = true
+	var is_explosion := weapon_kind == ItemDefinition.WeaponKind.MISSILE
+	_spawn_impact_effect(is_explosion)
 	if weapon_kind == ItemDefinition.WeaponKind.MISSILE:
 		_explode_at_target(target)
 	else:
 		_apply_damage_once(target)
 	queue_free()
 
+func _spawn_impact_effect(is_explosion: bool) -> void:
+	var effect := IMPACT_EFFECT_SCENE.instantiate() as Node2D
+	effect.global_position = global_position
+	get_parent().add_child(effect)
+	var effect_color := Color(1.0, 0.48, 0.22) if is_explosion else Color(1.0, 0.78, 0.38)
+	effect.call("configure", is_explosion, effect_color)
+
 func _explode_at_target(impact_target: Node) -> void:
 	_apply_damage_once(impact_target)
 	var explosion_shape := CircleShape2D.new()

scripts/items/ship_inventory.gd

@@ -84,7 +84,7 @@ func _recalculate_ship_stats() -> void:
 	for item in weapon_slots + module_slots:
 		if item == null or item.definition == null:
 			continue
-		for stat_key in ["max_hull", "max_shields", "max_energy", "max_speed", "energy_regeneration"]:
+		for stat_key in ["max_hull", "max_shields", "max_energy", "max_speed", "energy_regeneration", "shield_regeneration"]:
 			bonuses[stat_key] = float(bonuses.get(stat_key, 0.0)) + item.get_stat_total(stat_key)
 	ship.call("apply_equipment_bonuses", bonuses)
 
@@ -98,6 +98,8 @@ func _add_starter_items() -> void:
 		"res://resources/items/hull_plating.tres",
 		"res://resources/items/compact_generator.tres",
 		"res://resources/items/engine_extension.tres",
+		"res://resources/items/tuned_thrusters.tres",
+		"res://resources/items/shield_recharger.tres",
 	]
 	var cargo_index := 0
 	var weapon_index := 0