danger.js

"use strict";
/// <reference path="roads.d.ts" />
var BEFORE_DANGER = 660;
var DANGER_DURATION = 940;
var DANGER_PAUSE_EASY = 2400;
var DANGER_PAUSE_HARD = 250;
var DANGER_TABLE = [
    { a: 0, b: 100, a2: -1, b2: -1 },
    { a: 110, b: 100, a2: -1, b2: -1 },
    { a: 220, b: 100, a2: -1, b2: -1 },
    { a: 330, b: 100, a2: -1, b2: -1 },
    { a: 440, b: 100, a2: -1, b2: -1 },
    { a: 0, b: 220, a2: -1, b2: -1 },
    { a: 160, b: 220, a2: -1, b2: -1 },
    { a: 320, b: 220, a2: -1, b2: -1 },
    { a: 0, b: 100, a2: 440, b2: 100 },
    { a: 110, b: 100, a2: 330, b2: 100 },
    { a: 0, b: 100, a2: 220, b2: 100 },
    { a: 220, b: 100, a2: 440, b2: 100 },
    { a: 0, b: 144, a2: 396, b2: 144 },
];
shuffle(DANGER_TABLE);
var nextDanger = NO_DANGER;
var doDanger = false;
var dangerTimer = NaN;
var dangerPause = DANGER_PAUSE_EASY;
function initializeDanger() {
    var col = colBegin;
    for (var i = COLUMN_COUNT; i; --i) {
        col.danger = NO_DANGER;
        col = col.next;
    }
    nextDanger = NO_DANGER;
    doDanger = false;
    dangerTimer = setTimeout(scheduleDanger, dangerPause = DANGER_PAUSE_EASY);
}
function scheduleDanger() {
    nextDanger = getDanger();
    dangerTimer = setTimeout(dangerBegin, BEFORE_DANGER);
}
function dangerBegin() {
    doDanger = true;
    dangerTimer = setTimeout(dangerEnd, DANGER_DURATION * (0.9 + Math.random() * 0.2));
}
function dangerEnd() {
    doDanger = false;
    nextDanger = NO_DANGER;
    dangerTimer = setTimeout(scheduleDanger, dangerPause = Math.max(dangerPause - 200, DANGER_PAUSE_HARD));
}
var nd = 0;
function getDanger() {
    if (nd == DANGER_TABLE.length) {
        nd = 0;
        shuffle(DANGER_TABLE);
    }
    return DANGER_TABLE[nd++];
}