Enemy.gd

1	extends CharacterBody2D
2
3	@onready var ray_cast_2d: RayCast2D = $RayCast2D
4	@onready var scene_tree: SceneTree = get_tree()
5	const utils = preload("res://Utils.gd")
6	var Explosion = preload("res://Explosion.tscn")
7
8	@export var move_speed = 100
9	@export var health: int = randi() % 8 + 2
10	@export var max_health = 10
11
12	var dead = false
13
14	func _process(delta: float) -> void:
15	$Graphics/Alive/Container/HealthLabel.text = "%s / %s" % [health, max_health]
16	$Graphics/Alive/Container.global_rotation = 0
17
18	func _physics_process(delta: float) -> void:
19	if dead:
20	return
21	var players = scene_tree.get_nodes_in_group("player")
22	var player: CharacterBody2D = players[0]
23	var dist_to_player = global_position.distance_to(player.global_position)
24
25	var dir_to_player = global_position.direction_to(player.global_position)
26	var angle_to_player = dir_to_player.angle() + PI / 2.0
27	var vel = dir_to_player * move_speed
28	global_rotation = angle_to_player
29	move_and_slide()
30
31	var ray_length = ray_cast_2d.target_position.length()
32	if ray_cast_2d.is_colliding() and ray_cast_2d.get_collider() == player and dist_to_player < (ray_length + 5):
33	player.hurt()
34	var push = to_global(ray_cast_2d.target_position) - to_global(Vector2.ZERO)
35	player.position += (push * 2)
36	player.move_and_slide()
37
38	func hurt():
39	if dead:
40	return
41	utils.log("zombie is hurt, health was ", health)
42	health -= 1
43	if health <= 0:
44	kill()
45
46	func kill():
47	if dead:
48	return
49	utils.log("zombie is dead")
50	dead = true
51	$Graphics/Alive.hide()
52	var explosion = Explosion.instantiate()
53	explosion.connect("explosion_done", Callable(self, "_on_death_explosion_finished"))
54	$Graphics.add_child(explosion)
55	$CollisionPolygon2D.disabled = true
56	z_index = -1
57
58	func _on_death_explosion_finished():
59	utils.log("removing zombie after explosion finished")
60	queue_free()