class_name Player
extends CharacterBody3D

const MOVE_SPEED = 4.5
const JUMP_VELOCITY = 4.5
const DECELERATE = 0.75

var gravity = ProjectSettings.get_setting("physics/3d/default_gravity")
var move: Vector2

func _input(_event):
	move = Input.get_vector("move_left", "move_right", "move_forward", "move_backward")

func _physics_process(delta):
	movement()
	fall(delta)
	move_and_slide()

func movement():
	var direction = (Global.camera.transform.basis * Vector3(move.x, 0, move.y)).normalized()

	if direction:
		velocity.x = direction.x * MOVE_SPEED
		velocity.z = direction.z * MOVE_SPEED
	else:
		velocity.x *= DECELERATE
		velocity.z *= DECELERATE

func fall(delta):
	if is_on_floor():
		if Input.is_action_just_pressed("jump"):
			velocity.y = JUMP_VELOCITY
	else:
		velocity.y -= gravity * delta