public List <Spot> FindAllSpots(float min_x, float min_y, float max_x, float max_y)
{
// hmm, do it per chunk
List <Spot> l = new List <Spot>();
for (float mx = min_x; mx <= max_x + GraphChunk.CHUNK_SIZE - 1; mx += GraphChunk.CHUNK_SIZE)
{
for (float my = min_y; my <= max_y + GraphChunk.CHUNK_SIZE - 1; my += GraphChunk.CHUNK_SIZE)
{
LoadChunk(mx, my);
GraphChunk gc = GetChunkAt(mx, my);
List <Spot> sl = gc.GetAllSpots();
foreach (Spot s in sl)
{
if (s.X >= min_x && s.X <= max_x &&
s.Y >= min_y && s.Y <= max_y)
{
l.Add(s);
}
}
}
}
return(l);
}
