extends RigidBody2D

var Speed = 1200

var DespawnTimer: float = 5
var timer: float = 0
@export var EnemyBullet: bool = false

# rotato is here to fix a fucking bug. Thanks engine!
@export var rotato: float
var Direction: Vector2 = Vector2(0, 0)

func _integrate_forces(_state: PhysicsDirectBodyState2D):
	self.linear_velocity = Direction * Speed
	self.rotation_degrees = rotato
	# Direction using trig
	Direction = Vector2(cos(deg_to_rad(rotato)), sin(deg_to_rad(rotato)))
	# Flip it correctly when rotated
	if rotato > 90 and rotato <= 270:
		get_node("Sprite2D").flip_v = true

func _physics_process(delta: float):
	# Despawn to stop game from lagging
	timer += delta
	if timer >= DespawnTimer:
		self.queue_free()

func _on_body_entered(body: Node) -> void:
	# Bullets collide into each other sometimes. Remove it by putting bullets into a group.
	if !body.is_in_group("Bullet") and EnemyBullet != true and body.is_in_group("Enemy"):
		body.set("Health", body.get("Health") - 1)
		get_node("AudioStreamPlayer").play()
		DespawnTimer = timer + 1
		# Don't disappear the bullet, the Audio needs to play!
		self.collision_layer = 0b0000
		self.collision_mask = 0b0000
		self.visible = false
	# for the player
	elif !body.is_in_group("Bullet") and EnemyBullet == true and body.is_in_group("Player"):
		body.TakeDamage()