//-----------------------------------------------------------------------------
public void Execute()
{
BurstQueue queue = new BurstQueue(FloodQueue);
for (int index = 0; index < NumGoals; ++index)
{
var tileIndex = GridUtilties.Grid2Index(Settings, Goals[index]);
if (DistanceMap[tileIndex] < TileSystem.k_ObstacleFloat)
{
DistanceMap[tileIndex] = 0;
queue.Enqueue(tileIndex);
}
}
// Search!
while (queue.Length > 0)
{
var index = queue.Dequeue();
var newDistance = DistanceMap[index] + 1;
var grid = GridUtilties.Index2Grid(Settings, index);
for (GridUtilties.Direction dir = GridUtilties.Direction.N; dir <= GridUtilties.Direction.W; ++dir)
{
var neighborGrid = grid + Offsets[(int)dir];
var neighborIndex = GridUtilties.Grid2Index(Settings, neighborGrid);
if (neighborIndex != -1 && DistanceMap[neighborIndex] < TileSystem.k_ObstacleFloat && newDistance < DistanceMap[neighborIndex])
{
DistanceMap[neighborIndex] = newDistance;
queue.Enqueue(neighborIndex);
}
}
}
}
//-----------------------------------------------------------------------------
public void Execute(int index)
{
int2 gridPos = GridUtilties.Index2Grid(Settings, index);
float weight = DistanceMap[index];
Flowfield[index] = new float3(0);
for (GridUtilties.Direction dir = 0; dir < GridUtilties.Direction.MAX; ++dir)
{
int2 dirOffset = Offsets[(int)dir];
int neigborIdx = GridUtilties.Grid2Index(Settings, gridPos + dirOffset);
if (neigborIdx == -1)
{
continue;
}
float neighborWeight = DistanceMap[neigborIdx];
if (weight <= neighborWeight)
{
continue;
}
weight = neighborWeight;
float3 direction = new float3(dirOffset.x, 0, dirOffset.y);
Flowfield[index] = math.normalize(direction);
}
}
