extends KinematicBody

const SPEED_FORWARD = 5
const SPEED_TURN = 60
const SPEED_AIM = PI / 4
const FRICTION = 0.99

var velocity = Vector3()

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

func get_player_input(delta):
	var vec_lateral = transform.basis.x
	var vec_vertical = transform.basis.y
	
	
	if Input.is_action_pressed("player_left"):
		velocity += SPEED_TURN * -vec_lateral * delta
	elif Input.is_action_pressed("player_right"):
		velocity += SPEED_TURN * vec_lateral * delta
		
	if Input.is_action_pressed("player_up"):
		velocity += SPEED_TURN * vec_vertical * delta
	elif Input.is_action_pressed("player_down"):
		velocity += SPEED_TURN * -vec_vertical * delta
	
	if Input.is_action_pressed("player_aim_up"):
		rotate_x(SPEED_AIM * delta)
	elif Input.is_action_pressed("player_aim_down"):
		rotate_x(-SPEED_AIM * delta)	
		
	if Input.is_action_pressed("player_aim_left"):
		rotate_y(SPEED_AIM * delta)
	elif Input.is_action_pressed("player_aim_right"):
		rotate_y(-SPEED_AIM * delta)	
		
	
func _process(delta):
	# get velocity changes player asks for
	get_player_input(delta)
	velocity.x *= FRICTION
	velocity.y *= FRICTION
	
	# move foward according to the camera's POV
	var vec_forward = transform.basis.z
	velocity += SPEED_FORWARD * -vec_forward * delta

func _physics_process(delta):
	velocity = move_and_slide(velocity, Vector3.UP)