void spawnNewSkillButton(Skill skill)
{
var newButton = Instantiate(buttonPrefab);
SkillButton skillButton = newButton.GetComponent <SkillButton>();
skillButton.setSkill(skill);
skillButton.setCallback(() => callSkill(skill));
newButton.transform.SetParent(buttonContainer.transform);
newButton.transform.localScale = new Vector3(1, 1, 1);
skillButton.setButtonIndex(System.Array.IndexOf(currentSkills, skill));
skillButton.transform.position = new Vector3(skillButton.transform.position.x, skillButton.transform.position.y, -5);
}