tmp.js

gistfile1.js

BaseBallGame.prototype.pitch = function(toHitting, toBunt, score) {
        var strike_prob = 0.6;
        var goro_prob = 0.3;
        var swing_miss_prob = 0.2;
        var hit_prob = [1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 4];
        var strike = Math.random() > strike_prob;
        var base = hit_prob[parseInt(Math.random() * 10, 10)];
        var isHit = false;
        var isGoro = Math.random() < goro_prob;
        var isSwingMiss = false;

        if (strike && toHitting) {
            if (Math.random() > swing_miss_prob) {
                // hit                                                                                                                                                                
                isHit = true;
            } else {
                // swing miss strike                                                                                                                                                  
                isSwingMiss = true;
                score.updateCount(true);
            }
        } else if (strike && !toHitting) {
            // strike                                                                                                                                                                 
            score.updateCount(true);
        } else if (!strike && toHitting) {
            // fall                                                                                                                                                                   
            if (score.count.strike < 2) {
                score.updateCount(true);
            }
        } else if (!strike && !toHitting) {
            // ball                                                                                                                                                                   
            score.updateCount(false);
        }

        if (isHit) {
            if (toBunt) {
                // bunt                                                                                                                                                               
                score.hit(1);
                score.outCount();
                score.runner[0] = 0;
            } else if (isGoro) {
                // goro                                                                                                                                                               
                score.outCount();
            } else {
                // hit                                                                                                                                                                
                score.hit(base);
                score.clearCount();
            }
        }

        return {
            isHit: isHit,
            hitBase: base,
            isGoro: isGoro,
            isBunt: toBunt,
            isStrike: strike && !toHitting,
            isBall: !strike && !toHitting,
            isFall: !strike && toHitting,
            isSwingMiss: isSwingMiss,
            score: score
        };
    }