public Vector3 GetAnchorDirection(ItemAnchorPlane anchorPlane)
{
Vector3 direction = Vector3.one;
switch (anchorPlane)
{
case ItemAnchorPlane.POSITIVE_X:
direction = Vector3.right;
break;
case ItemAnchorPlane.POSITIVE_Y:
direction = Vector3.up;
break;
case ItemAnchorPlane.POSITIVE_Z:
direction = Vector3.forward;
break;
case ItemAnchorPlane.NEGATIVE_X:
direction = -Vector3.right;
break;
case ItemAnchorPlane.NEGATIVE_Y:
direction = -Vector3.up;
break;
case ItemAnchorPlane.NEGATIVE_Z:
direction = -Vector3.forward;
break;
}
return(direction);
}
private Matrix4x4 GetRandomOrientationMatrix(System.Random rnd, ItemAnchorPlane anchorPlane)
{
Vector3 dir = GetAnchorDirection(anchorPlane);
int rot = rnd.Next(4) * 90;
return(Matrix4x4.TRS(Vector3.zero, Quaternion.Euler(dir * rot), Vector3.one));
}
public Vector3 GetAnchorPosition(ItemAnchorPlane anchorPlane, Bounds bounds)
{
Vector3 direction = GetAnchorDirection(anchorPlane);
return(bounds.center + direction * Mathf.Abs(Vector3.Dot(direction, bounds.extents)));
}
private List <int> CalculateAvailableItemsInProceduralVolume(string parentItemTag, Bounds proceduralVolume, ItemAnchorPlane anchorPlane)
{
List <int> itemIndices = new List <int>();
if (itemIndicesByTagParent.ContainsKey(parentItemTag))
{
HashSet <int> availableIndices = itemIndicesByTagParent[parentItemTag];
foreach (int itemIndex in availableIndices)
{
ItemData item = itemDataArray[itemIndex];
// We are ignoring random transformations for this check. This is on purpose... randoms shouldn't change too much
if (item.anchorPlane == anchorPlane && MathUtils.ContainsWithoutTranslation(proceduralVolume, item.itemBounds))
{
itemIndices.Add(itemIndex);
}
}
}
return(itemIndices);
}
