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;
}
}
}
public void Resize_NewCellsHaveDefaultValue()
{
var startWidth = 10;
var startHeight = 10;
var defaultVal = 5;
var grid = new Grid2D <int>(startWidth, startHeight, defaultVal);
grid.Clear(10);
grid.Resize(20, 20);
for (var x = 0; x < grid.Width; x++)
{
for (var y = 0; y < grid.Height; y++)
{
if (x >= startWidth || y >= startHeight)
{
Assert.AreEqual(defaultVal, grid[x, y], "({0},{1})", x, y);
}
else
{
Assert.AreEqual(10, grid[x, y], "({0},{1})", x, y);
}
}
}
}
public void Clear_Default_AllCleared()
{
var grid = new Grid2D <int>(100, 50, 33);
grid.Clear(1);
grid.Clear();
for (var x = 0; x < grid.Width; x++)
{
for (var y = 0; y < grid.Height; y++)
{
Assert.AreEqual(33, grid[x, y], "({0},{1})", x, y);
}
}
}
public static void Calculate(IntVector2 viewerLocation, int visionRange, Grid2D<bool> visibilityMap, IntSize2 mapSize,
Func<IntVector2, bool> blockerDelegate)
{
visibilityMap.Clear();
if (blockerDelegate(viewerLocation) == true)
return;
visibilityMap[0, 0] = true;
SCRData data = new SCRData()
{
ViewerLocation = viewerLocation,
VisionRange = visionRange,
VisionRangeSquared = (visionRange + 1) * (visionRange + 1), // +1 to get a bit bigger view area
VisibilityMap = visibilityMap,
MapSize = mapSize,
BlockerDelegate = blockerDelegate,
};
for (int octant = 0; octant < 8; ++octant)
Calculate(ref data, 1, octant, 0.0, 1.0, 1);
}
public static void Calculate(IntVector2 viewerLocation, int visionRange, Grid2D<bool> visibilityMap, IntSize2 mapSize,
Func<IntVector2, bool> blockerDelegate)
{
visibilityMap.Clear();
if (blockerDelegate(viewerLocation) == true)
return;
var g = new IntGrid2(new IntVector2(), mapSize);
g = g.Offset(-viewerLocation.X, -viewerLocation.Y);
var vr = new IntVector2(visionRange, visionRange);
g = g.Intersect(new IntGrid2(vr, -vr));
int visionRangeSquared = (visionRange + 1) * (visionRange + 1); // +1 to get a bit bigger view area
foreach (var dst in g.Range())
{
if (dst.X * dst.X + dst.Y * dst.Y > visionRangeSquared)
continue;
bool vis = FindLos(viewerLocation, dst, blockerDelegate);
visibilityMap[dst] = vis;
}
}