extends Node3D

var snap_amount : float = 10
var speed : float = 10
var current_rotation : Vector3
var target_rotation : Vector3

var gun_recoil_target_rotation : float = 0
var gun_recoil

@onready var head: Node3D = $".."


# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	pass # Replace with function body.


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	target_rotation = lerp(target_rotation, Vector3.ZERO, speed * delta)
	current_rotation = lerp(current_rotation, target_rotation, snap_amount * delta)
	basis = Quaternion.from_euler(current_rotation)
	
	#Handle Gun Recoil
	gun_recoil = lerp(0.0,gun_recoil_target_rotation, delta * 30)
	head.rotation.x = clamp(head.rotation.x + gun_recoil, deg_to_rad(-90), deg_to_rad(85))
	gun_recoil_target_rotation -= gun_recoil
	
	
func add_recoil(recoil_amount,snap_change,speed_change) -> void:
	#set to provided snap/speed changes
	snap_amount = snap_change
	speed = speed_change
	
	#vertical recoil and random L+R recoil within given range
	var recoil_x = recoil_amount.x
	var recoil_y = randf_range(-recoil_amount.y,recoil_amount.y)
	var recoil_z = randf_range(-recoil_amount.z,recoil_amount.z)
	
	#add to target rotation
	target_rotation += Vector3(recoil_x, recoil_y, recoil_z)
	
func add_gun_recoil(recoil_amount):
	gun_recoil_target_rotation += recoil_amount