public static void Calculate(IntVector2 viewerLocation, int visionRange, Grid2D <bool> visibilityMap, IntSize2 mapSize,
Func <IntVector2, bool> blockerDelegate)
{
visibilityMap.Clear();
if (blockerDelegate(viewerLocation) == true)
{
return;
}
for (int y = -visionRange; y <= visionRange; ++y)
{
for (int x = -visionRange; x <= visionRange; ++x)
{
var dst = viewerLocation + new IntVector2(x, y);
if (mapSize.Contains(dst) == false)
{
visibilityMap[x, y] = false;
continue;
}
bool vis = FindLos(viewerLocation, dst, blockerDelegate);
visibilityMap[x, y] = vis;
}
}
}
