private CubeProductionScope SelectionScaleAndShift(SelectProduction selector, Quaternion rotation, Vector3 octant, ProductionAxis axis)
{
var s = rotation * Bounds.size;
s[(int)axis] = selector.IsAbsolute
? selector.FaceBreadth
: s[(int)axis] * selector.FaceBreadth;
// after applying the rotation, we could have rotated into a negative space. so just abs it!
s[0] = Mathf.Abs(s[0]);
s[1] = Mathf.Abs(s[1]);
s[2] = Mathf.Abs(s[2]);
var offset = (Math.Abs((rotation * Bounds.size)[(int)axis]) - s[(int)axis]) / 2f;
var c = Bounds.center - offset * (rotation * octant);
if (s.x < 0f || s.y < 0f || s.z < 0f)
{
Debug.Log("Selecting to a negative size...");
}
return(new CubeProductionScope(new Bounds(c, s), rotation));
}
/// <summary>
///
/// </summary>
/// <param name="selector"></param>
/// <returns></returns>
public override ProductionScope[] Select(SelectProduction selector)
{
var selectandScopes = new List <ProductionScope>();
if (selector.Faces.Contains(ScopeFace.Front))
{
selectandScopes.Add(SelectionScaleAndShift(selector, Rotation * Quaternion.identity, new Vector3(1, 0, 0), ProductionAxis.X));
}
if (selector.Faces.Contains(ScopeFace.Back))
{
selectandScopes.Add(SelectionScaleAndShift(selector, Rotation * Quaternion.AngleAxis(180, Vector3.up), new Vector3(1, 0, 0), ProductionAxis.X));
}
if (selector.Faces.Contains(ScopeFace.Left))
{
selectandScopes.Add(SelectionScaleAndShift(selector, Rotation * Quaternion.AngleAxis(90, Vector3.up), new Vector3(1, 0, 0), ProductionAxis.X));
}
if (selector.Faces.Contains(ScopeFace.Right))
{
selectandScopes.Add(SelectionScaleAndShift(selector, Rotation * Quaternion.AngleAxis(-90, Vector3.up), new Vector3(1, 0, 0), ProductionAxis.X));
}
if (selector.Faces.Contains(ScopeFace.Top))
{
selectandScopes.Add(SelectionScaleAndShift(selector, Rotation * Quaternion.identity, new Vector3(0, -1, 0), ProductionAxis.Y));
}
if (selector.Faces.Contains(ScopeFace.Bottom))
{
selectandScopes.Add(SelectionScaleAndShift(selector, Rotation, new Vector3(0, 1, 0), ProductionAxis.Y));
}
return(selectandScopes.ToArray());
}
public override ProductionScope[] Select(SelectProduction selector)
{
throw new NotImplementedException();
}
public abstract ProductionScope[] Select(SelectProduction selector);
