Player.gd

extends Area2D

var target_point = null
var speed_factor = 3
var bias = 0.1

func unhandled_input(event):
  if event is InputEventScreenTouch and not target_point:
    target_point = self.position + Vector2(position.x, position.y - 150)

func process(delta):
  if target_point:
    var walk = target_point - position
    walk.normalized()
    self.position += walk * delta * speed_factor

  if self.position.clamped(bias) == self.position.clamped(target_point):
    target_point = null