extends CharacterBody3D

signal squashed

@export var min_speed = 10
@export var max_speed = 18

# In code timer for brownian motion
var T: float = 0.5
var Tinit: float = 1.0
var dt: float = 0.05
var t: float = 0.0

func _physics_process(_delta):
	if t > T and Tinit < 0:
		t = 0
		set_new_velocity()
	t += dt
	Tinit -= dt
	 
	move_and_slide()

func initialize(start_position, player_position):
	look_at_from_position(start_position, player_position, Vector3.UP)
	
	set_new_velocity()

func set_new_velocity() -> void:
	rotate_y(randf_range(-PI / 4, PI / 4))
	var random_speed = randi_range(min_speed, max_speed)
	velocity = Vector3.FORWARD * random_speed
	velocity = velocity.rotated(Vector3.UP, rotation.y)

func _on_visible_on_screen_notifier_3d_screen_exited() -> void:
	queue_free()


func squash():
	squashed.emit()
	queue_free()