// public void follow_until(Func<Vector2, Vector2?, T> F, Vector2 k) {
// if(this.M.ContainsKey(v.x) && this.M[v.x].ContainsKey(v.y)) {
// Vector2 maybe_vec2 = F(this.M[v.x][v.y]);
// if(maybe_T != null) {
// this.follow_until(F, maybe_vec2);
// }
// }
// }
public Point2DCollection <T> intersect_to_new(Point2DCollection <T> incoming)
{
Point2DCollection <T> ret = new Point2DCollection <T>();
foreach (KeyValuePair <float, Dictionary <float, T> > x_y_T in this.M)
{
foreach (KeyValuePair <float, T> y_T in x_y_T.Value)
{
Vector2 pt = new Vector2(x_y_T.Key, y_T.Key);
if (incoming.has(pt))
{
ret.put(pt, incoming.get(pt));
}
}
}
return(ret);
}
void Start()
{
Point2DCollection <Boolean> candidates = new Point2DCollection <Boolean>();
int readjusted_x = Mathf.RoundToInt(Constants.EXTENT.x / Constants.BALL_DIAMETER), readjusted_y = Mathf.RoundToInt(Constants.EXTENT.y / Constants.BALL_DIAMETER);
for (int i = 0; i < readjusted_x; i++)
{
for (int j = 0; j < readjusted_y; j++)
{
candidates.put(new Vector2(i, j), true);
}
}
points_per_level.Add(candidates);
SemiSigmoid weighter = new SemiSigmoid();
int level = 0;
Vector2 up = new Vector2(0, 1), across = new Vector2(1, 1), right = new Vector2(1, 0);
float y_sep = Mathf.Pow(2.0f, -0.5f);
while (candidates.count > 0)
{
float thresh = weighter.eval(UnityEngine.Random.value);
// stability conditions
candidates = candidates.filter_to_new_by_point((Vector2 v) => (System.Convert.ToInt32(candidates.has(v + up)) + System.Convert.ToInt32(candidates.has(v + across)) + System.Convert.ToInt32(candidates.has(v + right)) >= 2) && UnityEngine.Random.value < thresh && v.x < readjusted_x && v.y < readjusted_y);
Debug.Log(candidates);
Debug.Log(candidates.count);
points_per_level.Add(candidates);
}
for (int i = 0; i < points_per_level.Count; i++)
{
points_per_level[i].pointed_iterate((Vector2 vec, Boolean v) =>
Instantiate(this.ball, (new Vector3(vec.x + 0.5f * i, vec.y + 0.5f * i, Constants.BALL_Z_OFFSET - i * y_sep)) * Constants.BALL_DIAMETER, Quaternion.identity));
}
}