Exemplo n.º 1
0
 public void mctsSearch(int numIterations)
 {
     MyLineRenderer.Init();
     for (int i = 0; i < numIterations; i++)
     {
         currentState.Save();
         birdPosList = new List <Vector3>();
         birdPosList.Add(currentState.birdPos);
         MCTS_TreeNode selected = treePolicy();
         float         reward   = selected.rollOut();
         backUp(selected, reward);
         MyLineRenderer.lineStrips.Add(birdPosList);
     }
 }
Exemplo n.º 2
0
    public override Action GetAction()
    {
        MyLineRenderer.Init();
        //Initialize population
        for (int i = 0; i < 2; i++)
        {
            populations[i].Clear();
        }
        popIndex = 0;
        for (int i = 0; i < sizeGeneration; i++)
        {
            populations[popIndex].Add(RandomChromosome());
        }
        if (lastBestChromosome != "")
        {
            //TODO: Your code here (Q1): Overwrite populations[popIndex][0] with the shifted version of last best chromosome.
        }

        for (int g = 1; g <= numGenerations; g++)
        {
            EvaluateCurrentPopulation();
            FillMatingPool();
            CrossOver();
            Mutation();
            Elitism();
            popIndex = 1 - popIndex;
        }
        //Go over the population one last time to find the best answer found by GA
        EvaluateCurrentPopulation();
        //print(populations[popIndex][eliteIndex]);
        //Now extract first action from populations[popIndex][eliteIndex]
        lastBestChromosome = populations[popIndex][eliteIndex];
        int actionIdx = lastBestChromosome[0] == '0' ? 0 : 1;

        return((Action)(actionIdx));
    }