static public bool Fit(Vector3 pos, out Vector3 result, int size = 1, CollisionLayers mask = CollisionLayers.Walk)
{
int index = instance.MapToIndex(pos);
int maxIterations = 100;
int sign = 1;
for (int i = 1; i < maxIterations; ++i, sign = -sign)
{
int end = index + sign * i;
for (; index != end && index > size && index < instance.map.Length - size - 1; index += sign)
{
if (Passable(index, mask, size))
{
result = instance.MapToIso(index);
return(true);
}
}
end = index - sign * i * instance.width;
int step = -sign * instance.width;
for (; index != end && index > size && index < instance.map.Length - size - 1; index += step)
{
if (Passable(index, mask, size))
{
result = instance.MapToIso(index);
return(true);
}
}
}
result = new Vector3();
return(false);
}
public static bool Passable(int index, int size = 1, bool debug = false, GameObject ignore = null)
{
UnityEngine.Profiling.Profiler.BeginSample("PassableTile");
if (index - size - size * instance.width < 0 || index + size + size * instance.width >= instance.map.Length)
{
return(false);
}
index = index - size / 2 - size / 2 * instance.height;
int step = instance.width - size;
for (int y = 0; y < size; ++y)
{
int end = index + size;
while (index < end)
{
if (debug)
{
var tilePos = instance.MapToIso(index);
Iso.DebugDrawTile(tilePos, 0.1f);
}
var cell = instance.map[index];
if (!cell.passable && (ignore == null || ignore != cell.gameObject))
{
UnityEngine.Profiling.Profiler.EndSample();
return(false);
}
++index;
}
index += step;
}
UnityEngine.Profiling.Profiler.EndSample();
return(true);
}
