Enemy.gd

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`b856550a` 2023-10-30 Pavel Safronov	1	extends KinematicBody2D
	2
	3	onready var ray_cast_2d: RayCast2D = $RayCast2D
	4	onready var scene_tree: SceneTree = get_tree()
`614e7fb1` 2023-10-31 Pavel Safronov	5	const utils = preload("res://Utils.gd")
`c6faad15` 2023-10-31 Pavel Safronov	6	var Explosion = preload("res://Explosion.tscn")
`b856550a` 2023-10-30 Pavel Safronov	7
	8	export var move_speed = 100
	9	export var health: int = randi() % 8 + 2
	10	export var max_health = 10
	11
	12	var velocity = Vector2.ZERO
	13
	14	var dead = false
	15
`614e7fb1` 2023-10-31 Pavel Safronov	16	func _process(delta: float) -> void:
	17	$Graphics/Alive/Container/HealthLabel.text = "%s / %s" % [health, max_health]
	18	$Graphics/Alive/Container.global_rotation = 0
	19
`b856550a` 2023-10-30 Pavel Safronov	20	func _physics_process(delta: float) -> void:
	21	if dead:
	22	return
	23	var players = scene_tree.get_nodes_in_group("player")
	24	var player: KinematicBody2D = players[0]
	25	var dist_to_player = global_position.distance_to(player.global_position)
	26
	27	var dir_to_player = global_position.direction_to(player.global_position)
	28	var angle_to_player = dir_to_player.angle() + PI / 2.0
`614e7fb1` 2023-10-31 Pavel Safronov	29	var vel = dir_to_player * move_speed
`b856550a` 2023-10-30 Pavel Safronov	30	global_rotation = angle_to_player
`d9bff51f` 2023-10-31 Pavel Safronov	31	velocity = move_and_slide(vel)
`b856550a` 2023-10-30 Pavel Safronov	32
	33	var ray_length = ray_cast_2d.cast_to.length()
	34	if ray_cast_2d.is_colliding() and ray_cast_2d.get_collider() == player and dist_to_player < (ray_length + 5):
	35	player.hurt()
	36	var push = to_global(ray_cast_2d.cast_to) - to_global(Vector2.ZERO)
	37	player.position += (push * 2)
	38	player.velocity = player.move_and_slide(player.velocity)
	39
	40	func hurt():
	41	if dead:
	42	return
`614e7fb1` 2023-10-31 Pavel Safronov	43	utils.log("zombie is hurt, health was ", health)
`b856550a` 2023-10-30 Pavel Safronov	44	health -= 1
	45	if health <= 0:
	46	kill()
	47
	48	func kill():
	49	if dead:
	50	return
`614e7fb1` 2023-10-31 Pavel Safronov	51	utils.log("zombie is dead")
`b856550a` 2023-10-30 Pavel Safronov	52	dead = true
	53	$Graphics/Alive.hide()
`c6faad15` 2023-10-31 Pavel Safronov	54	var explosion = Explosion.instance()
	55	explosion.connect("explosion_done", self, "_on_death_explosion_finished")
	56	$Graphics.add_child(explosion)
`b856550a` 2023-10-30 Pavel Safronov	57	$CollisionPolygon2D.disabled = true
	58	z_index = -1
`c6faad15` 2023-10-31 Pavel Safronov	59
	60	func _on_death_explosion_finished():
	61	utils.log("removing zombie after explosion finished")
`b856550a` 2023-10-30 Pavel Safronov	62	queue_free()