public int Manhattan(V2I v)
{
var disX = v.Col - Col;
var disY = v.Row - Row;
return((disX < 0 ? -disX : disX) + (disY < 0 ? -disY : disY));
}
double DistanceFromPointToLine(V2I point, V2I pointA, V2I pointB)
{
var v1 = pointB - pointA;
var v2 = point - pointA;
int dist = v1.Cross(v2) / v1.magnitude;
return(UnityEngine.Mathf.Abs(dist));
}
public int Cross(V2I v)
{
return(x * v.y - y * v.x);
}
public int Dot(V2I v)
{
return(x * v.x + y * v.y);
}
public int Cross(V2I v)
{
return(Col * v.Row - Row * v.Col);
}
public int Dot(V2I v)
{
return(Col * v.Col + Row * v.Row);
}