public static int getEdgeClockwiseDistance(HexEdgeDir from, HexEdgeDir to)
{
if (to >= from)
{
return(to - from);
}
return(6 + (to - from));
}
public static HexEdgeDir prevEdge(HexEdgeDir edgeDir, int distance)
{
while (distance > 0)
{
edgeDir = prevEdge(edgeDir);
distance--;
}
return(edgeDir);
}
public static HexEdgeDir nextEdge(HexEdgeDir edgeDir)
{
return((edgeDir == HexEdgeDir.TL) ? HexEdgeDir.TR : edgeDir + 1);
}
public static HexCornerDir secondCornerOfEdge(HexEdgeDir edgeDir)
{
return(firstCornerOfEdge(nextEdge(edgeDir)));
}
public static HexCornerDir firstCornerOfEdge(HexEdgeDir edgeDir)
{
return((HexCornerDir)edgeDir);
}
public static HexEdgeDir opositeEdge(HexEdgeDir edgeDir)
{
return(nextEdge(nextEdge(nextEdge(edgeDir))));
}
public static HexEdgeDir prevEdge(HexEdgeDir edgeDir)
{
return((edgeDir == HexEdgeDir.TR) ? HexEdgeDir.TL : edgeDir - 1);
}
