Add fade away component, simple AI and shooting

objects/brick_player.tscn

@@ -15,7 +15,7 @@ size = Vector2(16, 31)
 
 [node name="Brick Player" type="CharacterBody2D"]
 collision_layer = 4
-collision_mask = 3
+collision_mask = 11
 script = ExtResource("1_8j4h4")
 
 [node name="Root" type="Node2D" parent="."]

objects/bullet.tscn

@@ -0,0 +1,41 @@
+[gd_scene load_steps=5 format=3 uid="uid://bhc7y4xugu4q7"]
+
+[ext_resource type="Texture2D" uid="uid://djifxc5x0dyrw" path="res://sprites/ppc_tileset.png" id="1_w543f"]
+[ext_resource type="Script" path="res://scripts/components/damage.gd" id="2_qkwsu"]
+[ext_resource type="Script" path="res://scripts/components/bullet.gd" id="3_keogl"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_txsw8"]
+radius = 4.0
+
+[node name="Bullet" type="Area2D"]
+collision_layer = 8
+collision_mask = 5
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("CircleShape2D_txsw8")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+scale = Vector2(0.5, 0.5)
+texture = ExtResource("1_w543f")
+hframes = 12
+vframes = 12
+frame = 79
+
+[node name="VisibleOnScreenNotifier2D" type="VisibleOnScreenNotifier2D" parent="."]
+position = Vector2(2.38419e-07, 2.38419e-07)
+scale = Vector2(0.4, 0.4)
+
+[node name="DamageComponent" type="Node" parent="." node_paths=PackedStringArray("area2d")]
+script = ExtResource("2_qkwsu")
+area2d = NodePath("..")
+
+[node name="BulletComponent" type="Node2D" parent="." node_paths=PackedStringArray("root", "area2d", "visibility_notifier", "timer")]
+script = ExtResource("3_keogl")
+root = NodePath("..")
+speed = 100.0
+area2d = NodePath("..")
+visibility_notifier = NodePath("../VisibleOnScreenNotifier2D")
+timer = NodePath("../Timer")
+
+[node name="Timer" type="Timer" parent="."]
+autostart = true

objects/coin.tscn

@@ -1,8 +1,9 @@
-[gd_scene load_steps=5 format=3 uid="uid://54w4wisfj8v8"]
+[gd_scene load_steps=6 format=3 uid="uid://54w4wisfj8v8"]
 
 [ext_resource type="Texture2D" uid="uid://djifxc5x0dyrw" path="res://sprites/ppc_tileset.png" id="1_epuj5"]
 [ext_resource type="Script" path="res://scripts/components/collectable.gd" id="2_y0k47"]
 [ext_resource type="Resource" uid="uid://vql535ckoeqm" path="res://resources/collectables/coin.tres" id="3_fm2fq"]
+[ext_resource type="Script" path="res://scripts/components/fade_away.gd" id="4_fx1h2"]
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_3ask2"]
 radius = 9.0
@@ -24,3 +25,10 @@ frame = 51
 script = ExtResource("2_y0k47")
 area2d = NodePath("..")
 collectable_data = ExtResource("3_fm2fq")
+
+[node name="FadeAwayComponent" type="Node" parent="." node_paths=PackedStringArray("sprite2d", "root", "area2d")]
+script = ExtResource("4_fx1h2")
+sprite2d = NodePath("../Sprite2D")
+fade_duration = 0.4
+root = NodePath("..")
+area2d = NodePath("..")

objects/enemy.tscn

@@ -0,0 +1,59 @@
+[gd_scene load_steps=8 format=3 uid="uid://bwdlmualj6xbw"]
+
+[ext_resource type="Texture2D" uid="uid://xes6mt2dd5gu" path="res://sprites/robot_cutout.png" id="1_uh38l"]
+[ext_resource type="Script" path="res://scripts/components/health.gd" id="2_o170m"]
+[ext_resource type="Script" path="res://scripts/components/damage.gd" id="3_8jl3u"]
+[ext_resource type="Script" path="res://scripts/components/side_to_side_movement.gd" id="4_gbsq8"]
+[ext_resource type="Script" path="res://scripts/components/periodic_shooting.gd" id="5_m03v0"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_pwwji"]
+size = Vector2(18, 27)
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_ejbqt"]
+size = Vector2(18, 27)
+
+[node name="Enemy" type="CharacterBody2D"]
+collision_layer = 0
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+position = Vector2(0, 0.5)
+shape = SubResource("RectangleShape2D_pwwji")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("1_uh38l")
+
+[node name="HealthComponent" type="Node" parent="."]
+script = ExtResource("2_o170m")
+
+[node name="DamageComponent" type="Node" parent="." node_paths=PackedStringArray("area2d")]
+script = ExtResource("3_8jl3u")
+area2d = NodePath("../Hitbox")
+
+[node name="SideToSideMovement" type="Node" parent="." node_paths=PackedStringArray("root", "sprite2d", "left_ray", "right_ray")]
+script = ExtResource("4_gbsq8")
+root = NodePath("..")
+sprite2d = NodePath("../Sprite2D")
+speed = 60.0
+wait_time = 0.5
+left_ray = NodePath("../Left Ray")
+right_ray = NodePath("../Right Ray")
+
+[node name="PeriodicShootingComponent" type="Node" parent="." node_paths=PackedStringArray("side_to_side_movement", "root")]
+script = ExtResource("5_m03v0")
+side_to_side_movement = NodePath("../SideToSideMovement")
+root = NodePath("..")
+
+[node name="Hitbox" type="Area2D" parent="."]
+collision_layer = 8
+collision_mask = 4
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Hitbox"]
+position = Vector2(0, 0.5)
+shape = SubResource("RectangleShape2D_ejbqt")
+debug_color = Color(0.913521, 0.265052, 0.323172, 0.42)
+
+[node name="Left Ray" type="RayCast2D" parent="."]
+position = Vector2(-16, 13)
+
+[node name="Right Ray" type="RayCast2D" parent="."]
+position = Vector2(16, 13)

project.godot

@@ -74,6 +74,7 @@ down={
 2d_physics/layer_1="Terrain"
 2d_physics/layer_2="Collectible Entities"
 2d_physics/layer_3="Player"
+2d_physics/layer_4="Enemy"
 
 [rendering]
 

scripts/components/bullet.gd

@@ -0,0 +1,32 @@
+class_name BulletComponent
+extends Node
+
+
+@export var root: Node2D
+@export var direction: Vector2 = Vector2.RIGHT
+@export var speed: float = 10.0
+@export var area2d: Area2D
+@export var visibility_notifier: VisibleOnScreenNotifier2D
+@export var life_time: float = 5.0
+@export var timer: Timer
+
+func _ready() -> void:
+	root = get_parent()
+	visibility_notifier.screen_exited.connect(_on_screen_exited)
+	area2d.body_entered.connect(on_area2d_body_entered)
+	
+	timer.wait_time = life_time
+	timer.timeout.connect(on_timer_timeout)
+
+func _physics_process(delta: float) -> void:
+	root.position += direction * speed * delta
+		
+func _on_screen_exited() -> void:
+	root.queue_free()
+	
+func on_area2d_body_entered(_body: Node2D) -> void:
+	root.queue_free()
+	
+	
+func on_timer_timeout() -> void:
+	root.queue_free()

scripts/components/collectable.gd

@@ -2,6 +2,7 @@ class_name CollectableComponent
 extends Node
 
 var root: Node
+var has_fade_away: bool = false
 
 @export var area2d: Area2D
 @export var collectable_data: Resource
@@ -16,7 +17,11 @@ func _ready() -> void:
 
 	root = get_parent()
 
+	if root.has_node("FadeAwayComponent"):
+		has_fade_away = true
+
 func _on_area2d_body_entered(body: Node2D) -> void:
 	if body.has_node("CanPickUpComponent"):
 		collected.emit(collectable_data.amount)
+		if not has_fade_away:
 			root.queue_free()

scripts/components/fade_away.gd

@@ -0,0 +1,27 @@
+class_name FadeAwayComponent
+extends Node
+
+@export var sprite2d: Sprite2D
+@export var fade_duration: float = 1.0
+@export var speed: float = 10.0
+@export var direction: Vector2 = Vector2.UP
+@export var root: Node2D
+@export var area2d: Area2D
+
+
+func _ready():
+	root = get_parent()
+	if area2d:
+		area2d.body_entered.connect(on_area2d_body_entered)
+
+
+func fade_away() -> void:
+	var fade_tween := create_tween().set_parallel(true)
+	fade_tween.tween_property(sprite2d, "modulate:a", 0, fade_duration)
+	fade_tween.tween_property(sprite2d, "position", sprite2d.position + (direction * speed), fade_duration)
+	await (fade_tween.finished)
+	root.queue_free()
+
+
+func on_area2d_body_entered(_body: Node2D) -> void:
+	fade_away()

scripts/components/periodic_shooting.gd

@@ -0,0 +1,44 @@
+class_name PeriodicShootingComponent
+extends Node
+
+@export var bullet_scene: PackedScene = preload("res://objects/bullet.tscn")
+@export var shoot_interval: float = 1.0
+@export var shoot_direction: Vector2 = Vector2.RIGHT
+@export var side_to_side_movement: SideToSideMovement
+@export var root: Node2D
+
+var timer: Timer
+
+
+func _ready() -> void:
+	root = get_parent()
+	setup_timer()
+
+
+func _process(_delta: float) -> void:
+	if side_to_side_movement:
+		shoot_direction = side_to_side_movement.direction if side_to_side_movement.direction != Vector2.ZERO else Vector2.RIGHT
+
+func shoot() -> void:
+	if shoot_direction == Vector2.ZERO:
+		return
+		
+	var bullet_instance: Node2D = bullet_scene.instantiate()
+	var bullet_component: BulletComponent = bullet_instance.get_node("BulletComponent")
+	bullet_instance.position = root.position
+	bullet_component.direction = shoot_direction
+	get_tree().current_scene.add_child(bullet_instance)
+
+
+func on_timer_timeout() -> void:
+	shoot()
+	timer.start()
+
+
+func setup_timer() -> void:
+	timer = Timer.new()
+	timer.wait_time = shoot_interval
+	timer.one_shot = false
+	timer.autostart = true
+	timer.timeout.connect(on_timer_timeout)
+	add_child(timer)

scripts/components/score.gd

@@ -15,6 +15,5 @@ func on_collected(amount: int) -> void:
 		return
 
 	game_manager.add_coins(amount)
-	print("Coins: ", game_manager.get_coins())
 	# todo: play sound
 	# todo: update ui

scripts/components/side_to_side_movement.gd

@@ -0,0 +1,82 @@
+class_name SideToSideMovement
+extends Node
+
+@export var root: Node2D
+@export var sprite2d: Sprite2D
+@export var speed: float = 10.0
+@export var wait_time: float = 1.0
+@export var left_ray: RayCast2D
+@export var right_ray: RayCast2D
+
+var direction: Vector2 = Vector2.LEFT
+var new_direction: Vector2 = Vector2.LEFT
+var timer: Timer
+var triggered_direction_change: bool = false
+
+signal direction_changed()
+
+func _ready() -> void:
+	root = get_parent()
+	
+	if not sprite2d:
+		print("SideToSideMovement node missing Sprite2D child.")
+		return
+
+	if not left_ray or not right_ray:
+		print("SideToSideMovement node missing RayCast2D children.")
+		return
+
+	setup_timer()
+	direction_changed.connect(on_direction_changed)
+		
+
+func _physics_process(delta: float) -> void:
+	handle_direction()
+	handle_sprite_flip()
+	handle_movement(delta)
+	
+func handle_direction() -> void:
+	# we are not colliding with anything, which means we don't have ground to walk on. Stop moving.
+	if not left_ray.is_colliding() and not right_ray.is_colliding():
+		new_direction = Vector2.ZERO
+		return
+		
+	# If the left ray is not colliding and the right ray is colliding, that means we have ground to the right and we should change direction to the right.
+	if not left_ray.is_colliding() and right_ray.is_colliding():
+		new_direction = Vector2.RIGHT
+		direction_changed.emit()
+		return
+	if not right_ray.is_colliding() and left_ray.is_colliding():
+		new_direction = Vector2.LEFT
+		direction_changed.emit()
+		return
+		
+func handle_sprite_flip() -> void:
+	if direction == Vector2.LEFT:
+		sprite2d.flip_h = true
+	else:
+		sprite2d.flip_h = false
+
+func handle_movement(delta: float) -> void:
+	root.position += direction * speed * delta
+		
+func on_direction_changed() -> void:
+	if direction == new_direction or triggered_direction_change:
+		return
+	triggered_direction_change = true
+	direction = Vector2.ZERO
+	timer.start()
+
+func on_timer_timeout() -> void:
+	timer.stop()
+	direction = new_direction
+	triggered_direction_change = false
+	
+	
+func setup_timer() -> void:
+	timer = Timer.new()
+	add_child(timer)
+	timer.wait_time = wait_time
+	timer.one_shot = true
+	timer.timeout.connect(on_timer_timeout)
+	

sprites/robot_cutout.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://xes6mt2dd5gu"
+path="res://.godot/imported/robot_cutout.png-b825d863e56b4040e1b056e369b0e91e.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://sprites/robot_cutout.png"
+dest_files=["res://.godot/imported/robot_cutout.png-b825d863e56b4040e1b056e369b0e91e.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

tileset/village/tileset_village.tres

@@ -367,7 +367,7 @@ texture = ExtResource("1")
 
 [resource]
 physics_layer_0/collision_layer = 1
-physics_layer_0/collision_mask = 5
+physics_layer_0/collision_mask = 13
 terrain_set_0/mode = 0
 terrain_set_0/terrain_0/name = "Village 0"
 terrain_set_0/terrain_0/color = Color(0.520131, 0.153738, 0.75213, 1)