public void AddDisturbance(Vector3 pos, float radius, float force)
{
int minX = GetGridIndex(pos.x - radius);
int maxX = GetGridIndex(pos.x + radius);
int minY = GetGridIndex(pos.z - radius);
int maxY = GetGridIndex(pos.z + radius);
for (int x = minX; x <= maxX; x++)
{
for (int y = minY; y <= maxY; y++)
{
TerrainGrassTile tile = rollMap.Get(x, y);
if (tile)
{
tile.AddDisturbance(pos, radius, force);
}
}
}
}