/// <summary>
/// Picks up the closest item in range.
/// </summary>
protected void pickupItem()
{
Collider2D[] itemsInRange = Physics2D.OverlapCircleAll(transform.position, 2f, pickableItems);
int nearestItem = 0;
float lowestDistance = 1000f;
if (itemsInRange.Length > 0)
{
int totalItems = itemsInRange.Length;
for (int i = 0; i < totalItems; i++)
{
float distance = Vector2.Distance(transform.position, itemsInRange[i].transform.position);
if (distance < lowestDistance)
{
lowestDistance = distance;
nearestItem = i;
}
}
grabbedItem = itemsInRange[nearestItem].GetComponent <PickableItem>();
if (!grabbedItem.getIsUsed() && !grabbedItem.getIsPicked())
{
hasItem = true;
grabbedItem.setIsUsed(false);
grabbedItem.setIsPicked(true);
grabbedItem.pickUp(pickUpSpot);
}
}
}