34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
GridPosition PacManAI::pelletClosestToPacman(GridPosition pacmanGridPosition,
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std::vector<GridPosition> & pellets) {
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auto pelletSort = [&pacmanGridPosition](GridPosition pelletA, GridPosition pelletB) {
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double distanceA = positionDistance(pacmanGridPosition, pelletA);
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double distanceB = positionDistance(pacmanGridPosition, pelletB);
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return distanceA < distanceB;
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};
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std::sort(pellets.begin(), pellets.end(), pelletSort);
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return pellets[0];
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}
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bool PacManAI::isValidMove(const Move & move) {
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const bool isOpposite = (move.direction == oppositeDirection(direction));
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if (isOpposite) {
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return false;
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}
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const bool canWalk = isWalkableForPacMan(move.position);
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if (!canWalk) {
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return false;
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}
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return true;
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}
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Direction PacManAI::optimalDirection(const std::array<Move, 4> & moves) {
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const auto optimalMove = std::min_element(moves.begin(), moves.end(), [](const auto & a, const auto & b) {
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return a.distanceToTarget < b.distanceToTarget;
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});
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const auto & move = *optimalMove;
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return move.direction;
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}
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