public static void speedupPlayer(World world, Entity entity, double concreteVelocity)
  {
    double velocity = Math.sqrt(entity.field_70159_w * entity.field_70159_w + entity.field_70179_y * entity.field_70179_y);
    if (!(entity instanceof EntityPlayerSP)) {
      return;
    }
    if (velocity == 0.0D) {
      return;
    }
    if (velocity >= Configurations.concreteVelocity) {
      return;
    }
    EntityPlayerSP player = (EntityPlayerSP)entity;
    if ((Math.abs(player.field_71158_b.field_78900_b) < 0.75F) && (Math.abs(player.field_71158_b.field_78902_a) < 0.75F)) {
      return;
    }
    entity.field_70159_w = (Configurations.concreteVelocity * entity.field_70159_w / velocity);
    entity.field_70179_y = (Configurations.concreteVelocity * entity.field_70179_y / velocity);
  }