/**
* <summary>
* Watch for the item on top of the belt
* </summary>
*/
protected override void WatchForItem()
{
Bounds bounds = this.transform.GetComponent <Collider2D>().bounds;
Vector2 size = bounds.size;
Collider2D[] colliders = Physics2D.OverlapBoxAll(this.transform.position, size, 0);
foreach (Collider2D collider in colliders)
{
if (collider.tag == Tags.Item)
{
Transform item = collider.GetComponent <Transform>();
Bounds itemBounds = item.GetComponent <Collider2D>().bounds;
Vector2 itemPoint = new Vector2(itemBounds.min.x, itemBounds.max.y);
// Do not move the item if the item point is not on the belt
if (!bounds.Contains(itemPoint))
{
continue;
}
ItemBehaviour itemBehaviour = item.GetComponent <ItemBehaviour>();
itemBehaviour.direction = ItemDirection.Down;
itemBehaviour.speed = 5f;
itemBehaviour.MoveDown();
}
}
}
/**
* <summary>
* Watch for the item on top of the belt
* </summary>
*/
protected override void WatchForItem()
{
Bounds bounds = this.transform.GetComponent <Collider2D>().bounds;
Vector2 size = bounds.size;
Collider2D[] colliders = Physics2D.OverlapBoxAll(this.transform.position, size, 0);
foreach (Collider2D collider in colliders)
{
if (collider.tag == Tags.Item)
{
Transform item = collider.GetComponent <Transform>();
ItemBehaviour itemBehaviour = item.GetComponent <ItemBehaviour>();
Bounds itemBounds = item.GetComponent <Collider2D>().bounds;
Vector2 itemPoint = new Vector2(itemBounds.min.x, itemBounds.max.y);
// Always move when the item is exactly or more on top of the collider
if (!bounds.Contains(itemPoint))
{
continue;
}
// Determine the direction of the item it is moving.
// If the item is heading up and it has not reached the origin point. Keep moving up.
if (itemBehaviour.direction == ItemDirection.Up && item.position.y < this.transform.position.y)
{
itemBehaviour.direction = ItemDirection.Up;
itemBehaviour.speed = 5f;
itemBehaviour.MoveUp();
}
// If the item is heading down and it has not reached the origin point. Keep moving down.
else if (itemBehaviour.direction == ItemDirection.Down && item.position.y > this.transform.position.y)
{
itemBehaviour.direction = ItemDirection.Down;
itemBehaviour.speed = 5f;
itemBehaviour.MoveDown();
}
// Move right
else
{
itemBehaviour.direction = ItemDirection.Right;
itemBehaviour.speed = 5f;
itemBehaviour.MoveRight();
}
}
}
}
