~39 add a wizard enemy

scenes/component/velocity_component.gd

@@ -0,0 +1,32 @@
+extends Node
+class_name VelocityComponent
+
+@export var max_speed: int = 40
+@export var acceleration: float = 5
+
+var velocity := Vector2.ZERO
+
+
+func accelerate_to_player():
+	var owner_node2d = owner as Node2D
+	if owner_node2d == null:
+		return
+
+	var player = get_tree().get_first_node_in_group("player") as Node2D
+	if player == null:
+		return
+
+	var direction = (player.global_position - owner_node2d.global_position).normalized()
+	accelerate_in_direction(direction)
+
+
+func accelerate_in_direction(direction: Vector2):
+	var desired_velocity = direction * max_speed
+	velocity = velocity.lerp(desired_velocity, 1 - exp(-acceleration * get_process_delta_time()))
+
+
+func move(character_body: CharacterBody2D):
+	character_body.velocity = velocity
+	character_body.move_and_slide()
+
+	velocity = character_body.velocity

scenes/component/velocity_component.tscn

@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=3 uid="uid://cn4jjvvblm8lp"]
+
+[ext_resource type="Script" path="res://scenes/component/velocity_component.gd" id="1_pusvs"]
+
+[node name="VelocityComponent" type="Node"]
+script = ExtResource("1_pusvs")

scenes/component/vial_drop_component.gd

@@ -1,12 +1,13 @@
 extends Node
+class_name VialDropComponent
 
 @export_range(0, 1) var drop_rate: float = .5
-@export var health_component: Node
+@export var health_component: HealthComponent
 @export var vial_scene: PackedScene
 
 
 func _ready():
-	(health_component as HealthComponent).died.connect(on_died)
+	health_component.died.connect(on_died)
 
 
 func on_died():

scenes/game_object/basic_enemy/basic_enemy.gd

@@ -1,23 +1,13 @@
 extends CharacterBody2D
 
-const MAX_SPEED = 40
-
-@onready var health_component: HealthComponent = $HealthComponent
 @onready var visuals := $Visuals
+@onready var velocity_component: VelocityComponent = $VelocityComponent
 
 
 func _process(delta):
-	var direction = get_direction_to_player()
-	velocity = direction * MAX_SPEED
-	move_and_slide()
+	velocity_component.accelerate_to_player()
+	velocity_component.move(self)
 
 	var move_sign = sign(velocity.x)
 	if move_sign != 0:
 		visuals.scale = Vector2(-move_sign, 1)
-
-
-func get_direction_to_player():
-	var player_node = get_tree().get_first_node_in_group("player") as Node2D
-	if player_node != null:
-		return (player_node.global_position - global_position).normalized()
-	return Vector2.ZERO

scenes/game_object/basic_enemy/basic_enemy.tscn

@@ -1,9 +1,10 @@
-[gd_scene load_steps=12 format=3 uid="uid://bses7vk27cfvt"]
+[gd_scene load_steps=13 format=3 uid="uid://bses7vk27cfvt"]
 
 [ext_resource type="Script" path="res://scenes/game_object/basic_enemy/basic_enemy.gd" id="1_gpcli"]
 [ext_resource type="Texture2D" uid="uid://cc6p0wg3ww2jf" path="res://scenes/game_object/basic_enemy/basic_enemy.png" id="1_m80w1"]
 [ext_resource type="PackedScene" uid="uid://d32bhk07dm6w8" path="res://scenes/component/health_component.tscn" id="2_en8ir"]
 [ext_resource type="PackedScene" uid="uid://ci3popyfx4vbv" path="res://scenes/component/vial_drop_component.tscn" id="3_v8t1l"]
+[ext_resource type="PackedScene" uid="uid://cn4jjvvblm8lp" path="res://scenes/component/velocity_component.tscn" id="4_7n42o"]
 [ext_resource type="PackedScene" uid="uid://gsyk0iqo1m50" path="res://scenes/component/hurtbox_component.tscn" id="4_e2gan"]
 [ext_resource type="PackedScene" uid="uid://cjxiijis5jocn" path="res://scenes/component/death_component.tscn" id="4_j8jii"]
 
@@ -90,8 +91,11 @@ autoplay = "walk"
 [node name="HealthComponent" parent="." instance=ExtResource("2_en8ir")]
 
 [node name="VialDropComponent" parent="." node_paths=PackedStringArray("health_component") instance=ExtResource("3_v8t1l")]
+drop_rate = 0.3
 health_component = NodePath("../HealthComponent")
 
+[node name="VelocityComponent" parent="." instance=ExtResource("4_7n42o")]
+
 [node name="DeathComponent" parent="." node_paths=PackedStringArray("health_component", "sprite") instance=ExtResource("4_j8jii")]
 health_component = NodePath("../HealthComponent")
 sprite = NodePath("../Visuals/Sprite2D")

scenes/game_object/wizard_enemy/wizard_enemy.gd

@@ -0,0 +1,13 @@
+extends CharacterBody2D
+
+@onready var visuals := $Visuals
+@onready var velocity_component: VelocityComponent = $VelocityComponent
+
+
+func _process(delta):
+	velocity_component.accelerate_to_player()
+	velocity_component.move(self)
+
+	var move_sign = sign(velocity.x)
+	if move_sign != 0:
+		visuals.scale = Vector2(move_sign, 1)

scenes/game_object/wizard_enemy/wizard_enemy.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bj74fspmmt8fp"
+path="res://.godot/imported/wizard_enemy.png-ea4dcbc1cd21f78193df73188d66741a.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://scenes/game_object/wizard_enemy/wizard_enemy.png"
+dest_files=["res://.godot/imported/wizard_enemy.png-ea4dcbc1cd21f78193df73188d66741a.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

scenes/game_object/wizard_enemy/wizard_enemy.tscn

@@ -0,0 +1,51 @@
+[gd_scene load_steps=10 format=3 uid="uid://biw4lngphcynu"]
+
+[ext_resource type="PackedScene" uid="uid://d32bhk07dm6w8" path="res://scenes/component/health_component.tscn" id="1_5bkfq"]
+[ext_resource type="Texture2D" uid="uid://bj74fspmmt8fp" path="res://scenes/game_object/wizard_enemy/wizard_enemy.png" id="1_beb02"]
+[ext_resource type="Script" path="res://scenes/game_object/wizard_enemy/wizard_enemy.gd" id="1_ta3ds"]
+[ext_resource type="PackedScene" uid="uid://cn4jjvvblm8lp" path="res://scenes/component/velocity_component.tscn" id="2_2sxlo"]
+[ext_resource type="PackedScene" uid="uid://cjxiijis5jocn" path="res://scenes/component/death_component.tscn" id="2_aml71"]
+[ext_resource type="PackedScene" uid="uid://gsyk0iqo1m50" path="res://scenes/component/hurtbox_component.tscn" id="3_2ak7l"]
+[ext_resource type="PackedScene" uid="uid://ci3popyfx4vbv" path="res://scenes/component/vial_drop_component.tscn" id="4_blfg5"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_40784"]
+radius = 8.0
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_6q0gl"]
+radius = 5.0
+
+[node name="WizardEnemy" type="CharacterBody2D" groups=["enemy"]]
+position = Vector2(0, -8)
+collision_layer = 8
+collision_mask = 9
+script = ExtResource("1_ta3ds")
+
+[node name="HealthComponent" parent="." instance=ExtResource("1_5bkfq")]
+max_health = 30.0
+
+[node name="VelocityComponent" parent="." instance=ExtResource("2_2sxlo")]
+max_speed = 60
+acceleration = 2.0
+
+[node name="VialDropComponent" parent="." node_paths=PackedStringArray("health_component") instance=ExtResource("4_blfg5")]
+health_component = NodePath("../HealthComponent")
+
+[node name="DeathComponent" parent="." node_paths=PackedStringArray("health_component", "sprite") instance=ExtResource("2_aml71")]
+health_component = NodePath("../HealthComponent")
+sprite = NodePath("../Visuals/Sprite2D")
+
+[node name="HurtboxComponent" parent="." node_paths=PackedStringArray("health_component") instance=ExtResource("3_2ak7l")]
+health_component = NodePath("../HealthComponent")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="HurtboxComponent"]
+position = Vector2(0, 1)
+shape = SubResource("CircleShape2D_40784")
+
+[node name="Visuals" type="Node2D" parent="."]
+
+[node name="Sprite2D" type="Sprite2D" parent="Visuals"]
+texture = ExtResource("1_beb02")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+position = Vector2(0, 3)
+shape = SubResource("CircleShape2D_6q0gl")