IEnumerator Move()
{
while (true)
{
yield return(new WaitForSeconds(config.StepCooldown));
Segment tailSegment = segments.First();
if (hasAppleToEat)
{
hasAppleToEat = false;
SetRandomDirectionCoroutine = StartCoroutine(SetRandomDirection());
tailSegment = Instantiate(segmentPrefab, transform);
}
else
{
field[tailSegment.PositionOnField.X, tailSegment.PositionOnField.Y, tailSegment.PositionOnField.Z] = null;
segments.Remove(tailSegment);
}
CheckDirection();
tailSegment.PositionOnField = new PositionOnField(headSegment.PositionOnField.X, headSegment.PositionOnField.Y, headSegment.PositionOnField.Z);
switch (currentDirection)
{
case Direction.Up:
tailSegment.PositionOnField.Y++;
break;
case Direction.Down:
tailSegment.PositionOnField.Y--;
break;
case Direction.Left:
tailSegment.PositionOnField.X--;
break;
case Direction.Right:
tailSegment.PositionOnField.X++;
break;
case Direction.Forward:
tailSegment.PositionOnField.Z++;
break;
case Direction.Backward:
tailSegment.PositionOnField.Z--;
break;
}
tailSegment.transform.position = new Vector3(tailSegment.PositionOnField.X, tailSegment.PositionOnField.Y, tailSegment.PositionOnField.Z) * config.Step;
headSegment.SetMaterial(tailMaterial);
tailSegment.SetMaterial(headMaterial);
segments.Add(tailSegment);
LevelObject newHeadFieldPoint = field[tailSegment.PositionOnField.X, tailSegment.PositionOnField.Y, tailSegment.PositionOnField.Z];
if (newHeadFieldPoint != null && newHeadFieldPoint.Type == LevelObjectTypes.Segment)
{
OnCollision(this);
segments.Clear();
Destroy(gameObject);
}
if (newHeadFieldPoint != null && newHeadFieldPoint.Type == LevelObjectTypes.Apple)
{
OnAppleEaten(tailSegment.PositionOnField);
hasAppleToEat = true;
}
field[tailSegment.PositionOnField.X, tailSegment.PositionOnField.Y, tailSegment.PositionOnField.Z] = tailSegment;
headSegment = tailSegment;
}
}