definitions.js

// Basic canvas constants
var WIDTH = 500;
var HEIGHT = 550;
var DATA_WIDTH = 200;
var DATA_HEIGHT = 200;
var SIDE_WIDTH = 50;
var FPS = 65;

// Basic gameplay constants
var OFFSET = 75;
var BAR_WIDTH = 16;
var SHIP_WIDTH = 50;
var SHIP_SPEED = 450;
var SHIP_DESCENT = 180;

var BASE_POINTS = 10;
var MULT_INCR = 1;
var MULT_MAX = 10;

// Canvases
// The main canvas
var ctx;
// Background canvas - usually cleared once per screen
var backCtx;
// Animation canvas - usually cleared once per frame
var topCtx;
var loopID = -1;
var eventFun;
var powerupUsed = false;
var keysDown = [];

// Indicates if the canvas background should be drawn and
// whether setup should be done (if used)
var dirty = true;

// Instruction screen data
var animArrow = 0;

// Choose level screen data
var gameOver = false;

// Level select screen data
// 1-indexed
var chosenLevel;
// Dense array of level scores
var levelScores = [];
var levelList = [];
var levelQueue = [];
var levelSet;

// Level screen data
var starQueue = [];
var redFlashState = 0;
var xFlashState = 0;
var scoreFlashState = 0;
var multFlashState = 0;
var powerupGetState = 0;
var powerupUseState = 0;
var warningFlashState = 0;
var shieldActive = false;
var paused = false;
var levelImages;
var fogged;
var fogHeight;

// Level building constants
var LEVEL_LENGTH_MIN = [];

LEVEL_LENGTH_MIN[1] = 30;
LEVEL_LENGTH_MIN[2] = 30;
LEVEL_LENGTH_MIN[3] = 30;
LEVEL_LENGTH_MIN[4] = 60;
LEVEL_LENGTH_MIN[5] = 60;
LEVEL_LENGTH_MIN[6] = 60;
LEVEL_LENGTH_MIN[7] = 60;
LEVEL_LENGTH_MIN[8] = 60;
LEVEL_LENGTH_MIN[9] = 60;
LEVEL_LENGTH_MIN[10] = 60;

// The number of distinct SideA/SideB image pairs
var DISTINCT_SIDE_COUNT = [undefined, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2];
var sideImageCount = 0;
var sideImageCurr = 0;
var sideImageChangeover = [[]];

// Data to be sent to the server
var subjectID = 0;
// 1 if the correct side was chosen, 0 if not 
var sideChosenRecord = [undefined, [], [], [], [], [], [], [], [], [], []];
// Which side is correct for each trial
var correctSideRecord = [undefined, [], [], [], [], [], [], [], [], [], []];
// 0 if win on left, 1 if win on right
var winLossRecord = [undefined, [], [], [], [], [], [], [], [], [], []];
// Probability of success for each trial
var successP = [undefined, [], [], [], [], [], [], [], [], [], []];
// 0 if this is an acquisition trial, 1 if a reverse trial
var reversed = [undefined, [], [], [], [], [], [], [], [], [], []];
// Counts of the coins/enemies that exist and that are actually hit
var totalCoinsPerLevel = [undefined, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
var totalEnemiesPerLevel = [undefined, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
var coinsHitPerLevel = [undefined, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
var enemiesHitPerLevel = [undefined, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];

// TODO: Remove or add toggle button in-game
var AUDIO_ON = true;