public static void Calculate3(IntVector3 viewerLocation, int visionRange, VisionMap visibilityMap, IntSize3 mapSize,
Func<IntVector3, bool> blockerDelegate)
{
visibilityMap.Clear();
if (blockerDelegate(viewerLocation) == true)
return;
var g = new IntGrid3(new IntVector3(), mapSize);
g = g.Offset(-viewerLocation.X, -viewerLocation.Y, -viewerLocation.Z);
var vr = new IntVector3(visionRange, visionRange, visionRange);
g = g.Intersect(new IntGrid3(vr, -vr));
int visionRangeSquared = (visionRange + 1) * (visionRange + 1); // +1 to get a bit bigger view area
foreach (var dst in g.Range())
{
if (dst.LengthSquared > visionRangeSquared)
continue;
bool vis = FindLos3(viewerLocation, dst, blockerDelegate);
visibilityMap[dst] = vis;
// XXX Cheat a bit so that the floor will be visible
if (vis && dst.Z == 0 && viewerLocation.Z > 1)
{
visibilityMap[dst.SetZ(dst.Z - 1)] = true;
}
}
}
public static void Calculate3(IntVector3 viewerLocation, int visionRange, VisionMap visibilityMap, IntSize3 mapSize,
Func <IntVector3, bool> blockerDelegate)
{
visibilityMap.Clear();
if (blockerDelegate(viewerLocation) == true)
{
return;
}
var g = new IntGrid3(new IntVector3(), mapSize);
g = g.Offset(-viewerLocation.X, -viewerLocation.Y, -viewerLocation.Z);
var vr = new IntVector3(visionRange, visionRange, visionRange);
g = g.Intersect(new IntGrid3(vr, -vr));
int visionRangeSquared = (visionRange + 1) * (visionRange + 1); // +1 to get a bit bigger view area
foreach (var dst in g.Range())
{
if (dst.LengthSquared > visionRangeSquared)
{
continue;
}
bool vis = FindLos3(viewerLocation, dst, blockerDelegate);
visibilityMap[dst] = vis;
// XXX Cheat a bit so that the floor will be visible
if (vis && dst.Z == 0 && viewerLocation.Z > 1)
{
visibilityMap[dst.SetZ(dst.Z - 1)] = true;
}
}
}