/**
* returns a move based on the policy of the predator
*
* @param others = array list of positions with the position of the predator
*/
@Override
public void doMove(ArrayList<Position> others, boolean isPrey) {
preyPos = new Position(others.get(0));
int linIndex = policy.getLinearIndexFromPositions(myPos, preyPos);
double[] prob = policy.getStateActionPairValues(linIndex);
double[] probCum = new double[Action.nrActions];
probCum[0] = prob[0];
for (int i = 1; i < Action.nrActions; i++) {
probCum[i] = probCum[i - 1] + prob[i];
}
probCum[Action.nrActions - 1] = 1.0;
double p = Math.random();
int action = -1;
for (int i = 0; i < Action.nrActions; i++) {
if (p <= probCum[i]) {
action = i;
break;
}
}
myPos.adjustPosition(policy.getMove(myPos, preyPos, Action.getAction(action), false));
}
