void OnMouseDown()
{
// Equipments.instance.get_selected_seed().sew_plant(this.gameObject.transform.position + new Vector3(0,0,.1f));
Seeds equippedSeed = Equipments.instance.get_equipped_seed();
if (equippedSeed != null)
{
currentPlant = equippedSeed.sew_plant(this);
}
}