pvt.js

//Global Functions & Set Up

function drawCircle() {
    var c=document.getElementById("c");
    var ctx=c.getContext("2d");
    ctx.beginPath();
    ctx.arc(250,150,50,0,2*Math.PI);
    ctx.fillStyle = "#F00";
    ctx.fill();
    ctx.strokeStyle = "#F00";
    ctx.stroke();
}

var space_callback = function(){};

//timer for 1 second pass if no key press then failure

function Hud() {

    this.hide_prompt = function() {
        console.log("hide_prompt()");
        $('.startPrompt').hide();
    }

    this.show_prompt = function() {
        console.log("show_prompt()");
        $('.startPrompt').show();
    }

    this.set_timer = function(time) {
        console.log("set_timer()");
        var seconds = time % 60;
        seconds = (seconds < 10) ? '0' + seconds : seconds;
        var timeText = ~~(time/60) + ':' + seconds;
        $('.timer').text(timeText);
    }
}

function Game(hud, time) {
    this.hud = hud;
    this.total_time = time;
    this.current_time = time;
    this.clock = undefined;
    this.reaction_time = []; //new Array();

    this.start_clock = function() {
        console.log("start_clock()");
        this.clock = setInterval(function() {
            this.current_time = this.current_time - 1; //-1 second
            if (this.current_time === 0) {
                this.finish_game();
            }
            this.hud.set_timer(this.current_time);
        }, 1000);
    }

    this.setup_game = function() {
        console.log("setup_game()");
        this.hud.set_timer(this.total_time);
        this.hud.show_prompt();
    }

    this.start_game = function() {
        console.log("start_game()");
        this.hud.hide_prompt();
        this.start_clock();
    }

    this.play_game = function() {
        space_callback = function(){};
        console.log("play_game()");
        this.start_game();
        var blob = new Blob();
        blob.create_new();
    }

    this.fail_game = function() {
        console.log("fail_game()");
        alert('Play Nicely: Restarting game.');
        //this.play_game();
    }

    this.send_scores = function() {
        alert("send scores");
        //Dajaxice.pvt.send_score(Dajax.process,{'response_time': timeDiff.toString()})
    }

    this.finish_game = function() {
        space_callback = function(){};
        this.send_scores();
    }
}

function Blob() {
    this.display_timer = undefined;
    this.current_blob = 0;
    this.hit_or_miss = []; //new Array(); //True is Hit; False is Miss
    this.time_deltas = []; //new Array();
    this.display_time = undefined;
    this.hit_time = undefined;

    this.display_blob = function() {
        drawCircle();
    }

    this.hit_blob = function() {
        this.hit_time = new Date().getTime();
        var time_diff = this.hit_time - this.display_time;
        this.hit_or_miss[this.current_blob] = true;
        this.time_deltas[this.current_blob] = time_diff;
        this.create_new();
    }

    this.miss_blob = function() {
        this.hit_or_miss[this.current_blob] = false;
        this.time_deltas[this.current_blob] = -1;
        this.create_new();
    }

    this.create_new = function() {
        var timer_next = Math.floor((Math.random() * 20) + 1);
        this.timer = setTimeout(function() {
            this.display_blob();
            this.display_time = new Date().getTime();
            space_callback = this.miss_blob;
        }, timer_next * 1000);
    }
}


$(function() {
    //key press function calls
    $(window).keypress(function(e) {
        console.log("keypress");
        var code = e.keyCode || e.which;
        if (code == 32) {
            space_callback();
        }
        e.preventDefault();
    });

    var hud = new Hud();
    var game = new Game(hud, 180);
    space_callback = game.play_game;

    //Clear Timers
});