extends Area2D

var fish = CharacterBody2D
var sprite = Sprite2D
var explosion = CollisionObject2D
var size = 0.0
@export
var target = 0
@export
var ai = 0
@export
var speed = 1

# Called when the node enters the scene tree for the first time.
func _ready():
	fish = get_tree().get_first_node_in_group("Fish") #fish
	sprite = $Explosion
	explosion = $ExplosionCollision
	
	match ai:
		#set position
		0: 
			position = Vector2(target, -595)
		#fish position
		1: 
			position = Vector2(fish.position.x,-595)
		#predict position
		2: pass
	if position.x > 858:
		position.x = 858
	if position.x < -858:
		position.x = -858


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _physics_process(delta):
	goFish()


func goFish():
	position.y = position.y + speed
	
	if position.y > 794:
		position.y = 794
		explode()

func explode():
	if(size < 1):
		explosion.scale = Vector2(size, size)
		sprite.modulate.a= sprite.modulate.a - .02
	sprite.scale = Vector2(size, size)
	if size >1:
		sprite.modulate.a= sprite.modulate.a - .1
	size += .032
	sprite.visible = true
	if size < 1:
		explosion.set_deferred("disabled", false)
	else:
		explosion.set_deferred("disabled", true)
	if size > 2:
		size = 2
		queue_free()

func _on_body_entered(body):
	if body.is_in_group("Fish"):
		fish.hurt = true