InfiniteMazeGame/MazeGame.html at master · AviBomb/InfiniteMazeGame · GitHub

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<!DOCTYPE html>
<html>
<head>
<title>Maaze Trials</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<style>
canvas {
    border:1px solid #f3f3f3;
    background-color: #000;
}
</style>
</head>
<body onload="startGame()">
<script>

// Variables
var myGamePiece;
var myObstacles = [];
var myScore;

// Initial Setup

function startGame() {
    myGamePiece = new circle(20, 'red', 1050,150);
    myScore = new component("30px", "Consolas", "lime", 280, 40, "text");
    myGameArea.start();
}

var myGameArea = {
    canvas : document.createElement("canvas"),
    start : function() {
        this.canvas.width = 1345;
        this.canvas.height = 525;
        this.canvas.style.cursor = "none";
        this.context = this.canvas.getContext("2d");
        document.body.insertBefore(this.canvas, document.body.childNodes[0]);
        this.frameNo = 0;
        this.interval = setInterval(updateGameArea, 20);
          window.addEventListener('mousemove', function (e) {
            myGameArea.x = e.pageX;
            myGameArea.y = e.pageY;
        })
    },
    clear : function() {
        this.context.clearRect(0, 0, this.canvas.width, this.canvas.height);
    },
    stop : function() {
        clearInterval(this.interval);
    }
}

// Objects

function circle(radius, color, x, y) {
    this.radius = radius;
    this.color=color;
    this.speedX = 0;
    this.speedY = 0;
    this.x = x;
    this.y = y;
    this.update = function() {
        ctx = myGameArea.context;
        ctx.beginPath();
        ctx.arc(this.x, this.y, this.radius, 0, Math.PI * 2, false);
        ctx.fillStyle = this.color;
        ctx.fill();
        ctx.closePath();
    }

    this.crashWith = function(otherobj) {
        var myleft = this.x - (this.radius);
        var myright = this.x + (this.radius);
        var mytop = this.y - (this.radius);
        var mybottom = this.y + (this.radius);
        var otherleft = otherobj.x;
        var otherright = otherobj.x + (otherobj.width);
        var othertop = otherobj.y;
        var otherbottom = otherobj.y + (otherobj.height);
        var crash = true;
        if ((mybottom < othertop) || (mytop > otherbottom) || (myright < otherleft) || (myleft > otherright)) {
            crash = false;
        }
        return crash;
    }
}

function component(width, height, color, x, y, type) {
    this.type = type;
    this.color = color;
    this.width = width;
    this.height = height;
    this.speedX = 0;
    this.speedY = 0;
    this.x = x;
    this.y = y;
    this.update = function() {
        ctx = myGameArea.context;
        if (this.type == "text") {
            ctx.font = this.width + " " + this.height;
            ctx.fillStyle = this.color;
            ctx.fillText(this.text, this.x, this.y);
        } else {
            ctx.fillStyle = color;
            ctx.fillRect(this.x, this.y, this.width, this.height);
        }
    }
    this.newPos = function() {
        this.x += this.speedX;
        this.y += this.speedY;
    }
}

function updateGameArea() {
    var x, height, gap, minHeight, maxHeight, minGap, maxGap;
    for (i = 0; i < myObstacles.length; i += 1) {
        if (myGamePiece.crashWith(myObstacles[i])) {
            myGameArea.stop();
            alert("GAME OVER :(");
            console.log(myGameArea.frameNo);
            alert("Your score was "+myGameArea.frameNo+". To restart the game press F5")
            return;
        }
    }
    myGameArea.clear();
    myGameArea.frameNo += 1;
    if (myGameArea.frameNo == 1 || everyinterval(150)) {
        x = myGameArea.canvas.width;
        minHeight = 20;
        maxHeight = 200;
        height = Math.floor(Math.random()*(maxHeight-minHeight+1)+minHeight);
        minGap = 50;
        maxGap = 200;
        gap = Math.floor(Math.random()*(maxGap-minGap+1)+minGap);
        myObstacles.push(new component(50, height, "powderblue", x, 0));
        myObstacles.push(new component(50, x - height - gap, "powderblue", x, height + gap));
    }
    for (i = 0; i < myObstacles.length; i += 1) {
        myObstacles[i].speedX = -1;
        myObstacles[i].newPos();
        myObstacles[i].update();
    }
    myScore.text="SCORE: " + myGameArea.frameNo;
    myScore.update();
        if (myGameArea.x && myGameArea.y)
    {
      myGamePiece.x = myGameArea.x;
      myGamePiece.y = myGameArea.y;
    }
    myGamePiece.update();
}

function everyinterval(n) {
    if ((myGameArea.frameNo / n) % 1 == 0) {return true;}
    return false;
}
</script>
</body>
</html>