player animate

extends KinematicBody2D

var velocity = Vector2.ZERO
export var SPEED = 160 #max_speed
export var CELERATION=80
onready var animationPlayer = $AnimationPlayer
var animationPosition=0

func _physics_process(delta):
    var input_vector = Vector2.ZERO
    input_vector.x = Input.get_action_strength("ui_right") - Input.get_action_strength("ui_left")
    input_vector.y = Input.get_action_strength("ui_down") - Input.get_action_strength("ui_up")
    anim(input_vector)
    input_vector = input_vector.normalized()
    if input_vector != Vector2.ZERO:
        velocity = velocity.move_toward(input_vector*SPEED,CELERATION*delta)
    else:
        velocity = velocity.move_toward(Vector2.ZERO,4+CELERATION*delta)
    velocity = move_and_slide(velocity)

func anim(State):
    match State:
        Vector2.ZERO:
            if animationPosition%2:
                    animationPosition-=1
        Vector2(0,1):
            animationPosition=1
        Vector2(0,-1):
            animationPosition=7
        Vector2(1,0):
            animationPosition=5
        Vector2(-1,0):
            animationPosition=3

    match animationPosition:
        0:
            animationPlayer.play("Idle_Down")
        1:
            animationPlayer.play("Run_Down")
        2:
            animationPlayer.play("Idle_Left")
        3:
            animationPlayer.play("Run_Left")
        4:
            animationPlayer.play("Idle_Right")
        5:
            animationPlayer.play("Run_Right")
        6:
            animationPlayer.play("Idle_Up")
        7:
            animationPlayer.play("Run_Up")