public Neighbor(Displacement orig, Displacement disp, NeighborOrientation orientation, Vector2 min, Vector2 max)
{
Displacement = disp;
_relativeOrientation = orientation;
_relativeMin = min;
_relativeMax = max;
if (orientation != NeighborOrientation.Unknown)
{
return;
}
// Temp hack until I figure out how to correctly offset orientation
var testPos = (min + max) * 0.5f;
if (testPos.X < 0f)
{
testPos.X = 0f;
}
else if (testPos.X > 1f)
{
testPos.X = 1f;
}
if (testPos.Y < 0f)
{
testPos.Y = 0f;
}
else if (testPos.Y > 1f)
{
testPos.Y = 1f;
}
var origSample = orig.GetInnerPosition(testPos);
var bestDist2 = float.PositiveInfinity;
var bestOrientation = NeighborOrientation.CounterClockwise0;
for (var i = 0; i < 4; ++i)
{
_relativeOrientation = (NeighborOrientation)i;
var sample = GetPosition(testPos);
var dist2 = (sample - origSample).LengthSquared;
if (dist2 < bestDist2)
{
bestDist2 = dist2;
bestOrientation = _relativeOrientation;
}
}
_relativeOrientation = bestOrientation;
}
/// <summary>
/// Get neibot row index
/// </summary>
/// <param name="orientation">Orientation of search</param>
/// <returns>Row index in matrix</returns>
public int GetNeighborRow(NeighborOrientation orientation)
{
var rowIndex = RowIndex;
switch (orientation)
{
case NeighborOrientation.Diagonal:
case NeighborOrientation.Vertical:
rowIndex++;
break;
case NeighborOrientation.Horizontal:
break;
default:
throw new ArgumentOutOfRangeException(nameof(orientation), orientation, null);
}
return(rowIndex);
}
