Sufferball

[Gribnit]

Briefly explained,

public abstract class Scoring implements BallScores, PlayerScores, GoalieScores {
    /**
     * Any gerbils not in a gerbil cage, count as free. 
     * Gerbil cages will eject hamsters on detection.
     * Gerbil cages will eject gerbils at random.
     */
    protected volatile int freeGerbils;
    /**
     * Hamster cages work like gerbil cages, but for hamsters.
     */
    protected volatile int freeHamsters;
    protected volatile int playerScore;

    /**
     * Implementations must 
     * count the number of gerbil cages without a gerbil in them
     * and may
     * signal ejection of hamsters from gerbil cages.
     */
    @Override
    public abstract int countFreeGerbils();
    /**
     * Hamster freedom works like gerbil freedom, but for hamsters.
     */
    @Override
    public abstract int countFreeHamsters();

    /**
     * The goalie bot can't 
     * go faster than this.
     */
    @Override 
    public int getMaxKph() {
        return 10 * freeGerbils;
    }
    /**
     * The goalie bot can't 
     * turn more sharply than this.
     */
    @Override 
    public int getMaxTurnDegrees() {
        return 10 * freeHamsters;
    }
    /**
     * The razor-sharp toughened steel blade on the front of the goalie bot
     * can't turn faster than this.
     */
    @Override 
    public int getBladeRpm() {
        return getMaxKph() * getMaxTurnDegrees();
    }

    /**
     * You are in an Atlasphere, the inside surface has small-animal cages on it.
     * Score is re-evaluated for every meter you move.
     */
    public void incrementScore() {
        playerScore += freeGerbils * freeHamsters;
    }
}