/// <summary>
/// Returns the minimum available grid point.
/// </summary>
/// <returns>
/// A Vector3 point.
/// </returns>
public Vector3 AvailableMin()
{
var minX = Available.First().X;
var minY = Available.First().Y;
foreach (Vector3 point in Available)
{
if (point.X + point.Y < minX + minY)
{
minX = point.X;
minY = point.Y;
}
}
return(new Vector3(minX, minY));
}
/// <summary>
/// Returns the maximum available grid point.
/// </summary>
/// <returns>
/// A Vector3 point.
/// </returns>
public Vector3 AvailableMax()
{
var maxX = Available.First().X;
var maxY = Available.First().Y;
foreach (Vector3 point in Available)
{
if (point.X + point.Y > maxX + maxY)
{
maxX = point.X;
maxY = point.Y;
}
}
return(new Vector3(maxX, maxY));
}
/// <summary>
/// Returns the available grid point nearest to the supplied Vector3 point.
/// </summary>
/// <param name="point">The Vector3 point to compare.</param>
/// <returns>
/// A Vector3 point.
/// </returns>
public Vector3 AvailableNearTo(Vector3 point)
{
var x = Available.First().X;
var y = Available.First().Y;
foreach (Vector3 aPoint in Available)
{
var xDelta = Math.Abs(point.X - aPoint.X);
var yDelta = Math.Abs(point.Y - aPoint.Y);
if (xDelta <= Math.Abs(x - aPoint.X) ||
yDelta <= Math.Abs(y - aPoint.Y))
{
x = aPoint.X;
y = aPoint.Y;
}
}
return(new Vector3(x, y));
}
