updated_3d_script_07_07_2022

extends KinematicBody

var max_speed = 60
var gravity = 120
var jump_impulse = 55
var jump = false
var sprite_node


var velocity = Vector3.ZERO


func _ready():

	sprite_node = get_node("Sprite3D")

func _physics_process(delta):
	var input_vector = get_input_vector()
	apply_movement(input_vector)
	apply_gravity(delta)
	jump()
	velocity = move_and_slide(velocity, Vector3.UP)


func get_input_vector():
	var input_vector = Vector3.ZERO
	input_vector.x = int(Input.is_action_pressed("move_right")) - int(Input.is_action_pressed("move_left"))
	input_vector.z = int(Input.is_action_pressed("move_back")) - int(Input.is_action_pressed("move_forward"))

	return input_vector.normalized()


func apply_movement(input_vector):

	if is_on_floor(): #this command is_on_floor and jump == false prevents--
		jump == false #--- the player moving left-right in mid-air
		velocity.x = input_vector.x * max_speed
		velocity.z = input_vector.z * max_speed

	if velocity.x > 0:  #setting a variable "sprite_node" enables
		sprite_node.set_flip_h(false) #the sprite to be called and flipped
	elif velocity.x < 0:	# in the command line
		sprite_node.set_flip_h(true)


func apply_gravity(delta):
	velocity.y -= gravity * delta


func jump():

	if is_on_floor() and Input.is_action_just_pressed("jump"):
		jump = true
		velocity.y = jump_impulse