/**
* Gets the biggest distance component (x or y) between the two given tiles.
* Also known as L-Infinity-Norm.
* @param t0 the start tile
* @param t1 the end tile
* @return the distance
*/
public static uint DistanceMax(TileIndex t0, TileIndex t1)
{
uint dx = MathFuncs.Delta(TileX(t0), TileX(t1));
uint dy = MathFuncs.Delta(TileY(t0), TileY(t1));
return(Math.Max(dx, dy));
}
/**
* Gets the biggest distance component (x or y) between the two given tiles
* plus the Manhattan distance, i.e. two times the biggest distance component
* and once the smallest component.
* @param t0 the start tile
* @param t1 the end tile
* @return the distance
*/
public static uint DistanceMaxPlusManhattan(TileIndex t0, TileIndex t1)
{
uint dx = (uint)MathFuncs.Delta(TileX(t0), TileX(t1));
uint dy = (uint)MathFuncs.Delta(TileY(t0), TileY(t1));
return(dx > dy ? 2 * dx + dy : 2 * dy + dx);
}
/**
* Gets the Manhattan distance between the two given tiles.
* The Manhattan distance is the sum of the delta of both the
* X and Y component.
* Also known as L1-Norm
* @param t0 the start tile
* @param t1 the end tile
* @return the distance
*/
public static uint DistanceManhattan(TileIndex t0, TileIndex t1)
{
var dx = (uint)MathFuncs.Delta(TileX(t0), TileX(t1));
var dy = (uint)MathFuncs.Delta(TileY(t0), TileY(t1));
return(dx + dy);
}
