public IEnumerator getInput()
{
//getting valid input
do
{
//reseting the stack and its orbs
while (selectedOrbs.Count > 0)
{
selectedOrbs.Last().isSelected = false;
selectedOrbs.Last().updateConnectors();
selectedOrbs.Remove(selectedOrbs.Last());
}
displayNumBar();
setNumBarColor(NUMBAR_STATE.DEFAULT);
//waiting for && getting input
yield return(waitForInput);
while (!inputReleased() && !GameController.Instance.isPaused)
{
Vector2 relativeInputPos = getRelativeInputPos();
int c = Mathf.RoundToInt(relativeInputPos.x);
int r = Mathf.RoundToInt(relativeInputPos.y);
if (0 <= r && r < ROWS && 0 <= c && c < COLUMNS && Mathf.Abs(relativeInputPos.x - c) <= THRESHOLD && Mathf.Abs(relativeInputPos.y - r) <= THRESHOLD)
{
Orb chosenOrb = orbArray[c][r];
Vector2Int currGridPosition = new Vector2Int(c, r);
if (selectedOrbs.Count == 0)
{
selectedOrbs.Add(chosenOrb);
chosenOrb.isSelected = true;
}
else
{
Orb head = selectedOrbs.Last();
selectedOrbs.Remove(selectedOrbs.Last());
Vector2Int prevHeadDir = head.prevOrbDir;
head.prevOrbDir = Vector2Int.zero;
head.isSelected = false;
if (!(selectedOrbs.Count >= 1 && currGridPosition.Equals(selectedOrbs.Last().getGridPos()))) //if the player backtracks, then the head orb is removed
{
selectedOrbs.Add(head);
head.prevOrbDir = prevHeadDir;
head.isSelected = true;
if (!chosenOrb.Equals(head) && chosenOrb.isAdjacentTo(head) && !chosenOrb.isSelected && //if the player moves to a new adjacent orb, then the new orb is put in
(numberIsNullified() || head.getOrbValue() != ORB_VALUE.STOP)) // can't move if the current orb is a non-nullified stop orb
{
head.nextOrbDir = head.directionTo(chosenOrb);
selectedOrbs.Add(chosenOrb);
chosenOrb.prevOrbDir = chosenOrb.directionTo(head);
chosenOrb.isSelected = true;
}
}
else
{
chosenOrb.nextOrbDir = Vector2Int.zero;
}
head.updateConnectors();
chosenOrb.updateConnectors();
}
}
displayNumBar();
yield return(null);
}
} while (selectedOrbs.Count <= 1);
}
