extends Camera3D

var height_target = position.y
const CHANGE_AMT_ON_SCROLL = 4.0
const CAM_CHANGE_SPEED = 4.0
var MAX_CAM_HEIGHT = position.y + CHANGE_AMT_ON_SCROLL
var MIN_CAM_HEIGHT = position.y - (CHANGE_AMT_ON_SCROLL * 2)

@onready var target = get_parent()

func _process(delta: float) -> void:
	look_at(get_parent().global_position,Vector3.UP)
	
	camera_fov()
	camera_height_change(delta)

func camera_fov():
	var distance_to_target = global_position.distance_to(target.global_position)
	attributes.dof_blur_near_distance = distance_to_target - 3

func camera_height_change(delta):
	#if global_position.y == height_target:
	if Input.is_action_just_pressed("scroll_up"):
		height_target = clamp(height_target - CHANGE_AMT_ON_SCROLL,MIN_CAM_HEIGHT,MAX_CAM_HEIGHT)
	
	if Input.is_action_just_pressed("scroll_down"):
		height_target = clamp(height_target + CHANGE_AMT_ON_SCROLL,MIN_CAM_HEIGHT,MAX_CAM_HEIGHT)
	
	global_position.y = lerp(global_position.y,height_target,delta * CAM_CHANGE_SPEED)
	#else:
		#var direction_to_target = global_position.y - height_target
		#var move_amount = direction_to_target * delta * CAM_CHANGE_SPEED
		#global_position.y += move_amount
		#height_target -= move_amount