public void move(Vector3 newPosition, bool didEat)
{
Vector3 oldPosition = transform.localPosition;
transform.localPosition = newPosition;
if (isTail())
{
if (didEat)
{
GameObject newPart = Instantiate(Resources.Load("Body")) as GameObject;
newPart.transform.SetParent(transform.parent);
SnakeBodyScript newPartScript = newPart.GetComponent <SnakeBodyScript>();
newPartScript.prevBodyPart = transform;
GetComponent <SnakeBodyScript>().nextBodyPart = newPart.transform;
nextBodyPart.GetComponent <SnakeBodyScript>().move(oldPosition, false);
Vector3 relativePos = newPosition - oldPosition;
transform.rotation = Quaternion.LookRotation(relativePos, Vector3.up);
}
}
else
{
Vector3 relativePos = newPosition - oldPosition;
transform.rotation = Quaternion.LookRotation(relativePos, Vector3.up);
nextBodyPart.GetComponent <SnakeBodyScript>().move(oldPosition, didEat);
}
}
private bool availablePosition(Vector3 position)
{
SnakeBodyScript cur = this.snakeHead;
while (true)
{
if (cur.GetComponent <Transform>().position.Equals(position))
{
return(false);
}
if (cur.nextBodyPart)
{
cur = cur.nextBodyPart.GetComponent <SnakeBodyScript>();
}
else
{
break;
}
}
return(true);
}