pacman.py 文件源码

def applyAction( state, action ):
    """
    Edits the state to reflect the results of the action.
    """
    legal = PacmanRules.getLegalActions( state )
    if action not in legal:
      raise Exception("Illegal action " + str(action))

    pacmanState = state.data.agentStates[0]

    # Update Configuration
    vector = Actions.directionToVector( action, PacmanRules.PACMAN_SPEED )
    pacmanState.configuration = pacmanState.configuration.generateSuccessor( vector )

    # Eat
    next = pacmanState.configuration.getPosition()
    nearest = nearestPoint( next )
    if manhattanDistance( nearest, next ) <= 0.5 :
      # Remove food
      PacmanRules.consume( nearest, state )