public static List <GrammarWord> Parse(GrammarWord source, int depth)
{
List <GrammarWord> res = new List <GrammarWord>();
if (depth <= 0 && source.action != ActionType.InPlaceTBD)
{
res.Add(source);
}
else
{
List <GrammarWord> sentence = ApplyGrammar(source);
int chosen = Random.Range(0, sentence.Count);
// for (int i = 0; i < sentence.Count; i++)
// {
// if (i == chosen)
// {
// res.AddRange (Parse (sentence [i], depth - 1));
// } else
// {
// res.Add (sentence [i]);
// }
// }
foreach (GrammarWord newWord in sentence)
{
res.AddRange(Parse(newWord, depth - 1));
}
}
return(res);
}
private void NextStep()
{
if (finalGrammar.Count == 0)
{
Destroy(this.gameObject);
return;
}
GrammarWord step = finalGrammar[0];
finalGrammar.RemoveAt(0);
switch (step.action)
{
case ActionType.Horizontal:
StartCoroutine(Horizontal(step.amount, step.duration));
break;
case ActionType.Vertical:
StartCoroutine(Vertical(step.amount, step.duration));
break;
case ActionType.Wait:
StartCoroutine(Wait(step.duration));
break;
case ActionType.Rotate:
StartCoroutine(Rotate(step.amount, step.duration));
break;
}
}
public static List <GrammarWord> ApplyGrammar(GrammarWord source)
{
List <GrammarWord> result = new List <GrammarWord>();
switch (source.action)
{
case ActionType.InPlaceTBD:
{
int choice = Random.Range(0, 3);
if (choice == 0)
{
//Pause
result.Add(new GrammarWord(ActionType.Wait, 0, source.duration));
}
else if (choice == 1)
{
//360 spin
result.Add(new GrammarWord(ActionType.Rotate, 360.0f, source.duration));
}
else if (choice == 2)
{
//Shift vertical
result.Add(new GrammarWord(ActionType.Vertical, Random.Range(-8, 8), source.duration));
}
}
break;
case ActionType.Horizontal:
{
int choice = Random.Range(0, 4);
//Forward, turn, back, turn, forward
if (choice == 0)
{
//Caclulate proportion of time and distance for each forward segment
float t1 = 0.3f; //Random.Range(0.2f, 0.6f);
float t3 = 0.2f; //Random.Range(0.15f, 1.0f - t1 - 0.2f);
float t5 = 1.0f - t1 - t3;
//Caclulate proportion of time for Each rotation
float t2 = Random.Range(0.2f, 0.7f);
float t4 = 1.0f - t2;
//Forward segment t1
result.Add(new GrammarWord(ActionType.Horizontal, source.amount * t1, source.duration * 0.7f * t1));
//Spin segment t2
result.Add(new GrammarWord(ActionType.Rotate, 180.0f, source.duration * 0.3f * t2));
//Backward segment t3
result.Add(new GrammarWord(ActionType.Horizontal, (-1.0f) * source.amount * t3, source.duration * 0.7f * t3));
//Spin segment t4
result.Add(new GrammarWord(ActionType.Rotate, -180.0f, source.duration * 0.3f * t4));
//Forward segment t5
result.Add(new GrammarWord(ActionType.Horizontal, source.amount * (1.0f - t1 + t3), source.duration * 0.7f * t5));
}
else if (choice == 1 || choice == 3)
{
//forward t1, tbd t2, forward t3
float t1 = Random.Range(0.2f, 0.6f);
float t2 = 1.0f;
float t3 = 1.0f - t1;
//Forward segment t1
result.Add(new GrammarWord(ActionType.Horizontal, source.amount * t1, source.duration * 0.75f * t1));
//TBD segment t2
result.AddRange(GrammarFactory.ApplyGrammar(new GrammarWord(ActionType.InPlaceTBD, -1.0f, source.duration * t2 * 0.25f)));
//result.Add(new GrammarWord(ActionType.InPlaceTBD, -1.0f, source.duration * t2 * 0.5f));
//Forward segment t3
result.Add(new GrammarWord(ActionType.Horizontal, source.amount * t3, source.duration * 0.75f * t3));
}
else if (choice == 2)
{
//forward, tbd, back, tbd, forward
//Caclulate proportion of time and distance for each forward segment
float t1 = 0.3f; //Random.Range(0.2f, 0.6f);
float t3 = 0.2f; //Random.Range(0.15f, 1.0f - t1 - 0.2f);
float t5 = 1.0f - t1 - t3;
//Caclulate proportion of time for Each rotation
float t2 = Random.Range(0.2f, 0.7f);
float t4 = 1.0f - t2;
//Forward segment t1
result.Add(new GrammarWord(ActionType.Horizontal, source.amount * t1, source.duration * 0.7f * t1));
//TBD segment t2
result.AddRange(GrammarFactory.ApplyGrammar(new GrammarWord(ActionType.InPlaceTBD, -1, source.duration * 0.3f * t2)));
//result.Add(new GrammarWord(ActionType.InPlaceTBD, -1, source.duration * 0.3f * t2));
//Backward segment t3
result.Add(new GrammarWord(ActionType.Horizontal, (-1.0f) * source.amount * t3, source.duration * 0.7f * t3));
//TBD segment t4
result.AddRange(GrammarFactory.ApplyGrammar(new GrammarWord(ActionType.InPlaceTBD, -1, source.duration * 0.3f * t4)));
//result.Add(new GrammarWord(ActionType.InPlaceTBD, -1 , source.duration * 0.3f * t4));
//Forward segment t5
result.Add(new GrammarWord(ActionType.Horizontal, source.amount * (1.0f - t1 + t3), source.duration * 0.7f * t5));
}
}
break;
default:
result.Add(source);
break;
}
return(result);
}
