beat-em up sprite script

extends KinematicBody2D
#---------------------------VARIABLES-------------------------------------------
var MAX_SPEED = 250
var JUMP_SPEED = 25
var GRAVITY =35
var z = 0
var JumpMultiplyer = 35
var Jumping = false
var punch = false
var flyingPunch = false
var velocity = Vector2()


onready var animatedSprite = $AnimatedSprite

#-------------------------JUMP + ANIMATION -------------------------------------
# warning-ignore:unused_argument
func _physics_process(delta):
	var input_vector = get_input_axis()
	print(Jumping)
	if Input.is_action_just_pressed("jump") and Jumping == false:
		animatedSprite.animation = "jump_right"
		Jumping = true
		z += -JUMP_SPEED * JumpMultiplyer

	if Input.is_action_just_pressed("air_attack"):
		flyingPunch = true
		animatedSprite.animation = "FlyingPunch"

	if z > 23 * JumpMultiplyer:
		Jumping = false
		z = 0
		velocity.y = 0

	if Jumping == true:
		z += GRAVITY
		velocity.y = z
#--------------------------------walk_animation---------------------------------

	elif input_vector != Vector2.ZERO:
		if Jumping == false:
			#if !punch:
				animatedSprite.animation = "WalkRight"
				velocity = input_vector * MAX_SPEED
#------------------------------Punch_animation-----------------------------------

	elif Input.is_action_just_pressed("punch"):
		punch = true
		#animatedSprite.speed_scale = 0.5
		animatedSprite.animation = "punch"


#-----------------------------Idle_animation------------------------------------
	else:
		animatedSprite.animation = "IdleRight"
		Jumping = false
		flyingPunch = false
		punch = false
		velocity = Vector2()

	velocity = move_and_slide(velocity, Vector2())


 #-------------------MOVEMENT_INPUT--------------------------------------------
func get_input_axis():
	var input_vector = Vector2()
	if !Jumping:
		punch = false
		input_vector.x = int(Input.is_action_pressed("ui_right")) - int(Input.is_action_pressed("ui_left"))
		input_vector.y = int(Input.is_action_pressed("ui_down")) - int(Input.is_action_pressed("ui_up"))

	if input_vector.x > 0:
		animatedSprite.flip_h = false
	elif input_vector.x < 0:
		animatedSprite.flip_h = true

	return input_vector

	#velocity = velocity.clamped(MAX_SPEED)