Simple Maze Game Using Javascript With Source Code

September 7, 2021July 13, 2021 by angel jude suarez

Simple Maze Game Using Javascript With Source Code

The Simple Maze Game Using Javascript was developed using JavaScript, CSS and HTML, In this Simple Javascript Project With Source Code is a basic game created or built using primarily functional javascript works or parts.

A Maze Game Javascript can be quite engaging and fun for the user. Although HTML and CSS are important building blocks in web development, JavaScript is the show language that transforms websites from functional to entertaining. As a result, it’s no wonder that video games make the list.

This Javascript Project With Source Code also includes a downloadable Project With Source Code for free, just find the downloadable source code below and click to start downloading.

I have here a suggested list of Best JavaScript Projects with Source Code Free to download and I’m sure this can help you to improve your skills in JavaScript programming and web development as a whole.

To start executing a Simple Maze Game Using Javascript With Source Code, makes sure that you have any platform in creating a JavaScript, CSS, bootstrap, and HTML installed in your computer, in my case I will use Sublime Text.

Watch the video here to see the full running source code of the Simple Maze Game Using JavaScript

Simple Maze Game Using Javascript With Source Code : Steps on how to create the project

Time needed: 5 minutes.

These are the steps on how to create Simple Maze Game Using Javascript With Source Code

Step 1: Create a folder.
First, create a folder and named it.
Step 2: Open the folder in “Sublime Text”.
Second ,after creating a folder, open it in “sublime text“.
Step 3: Create a html file.
Third, create a “html” file and save it as “index.html“

The code given below is for the css module

<style>
body {
    background-color: grey;
}

canvas {
  position: absolute;
}
</style>

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<style>

body {

background-color: grey;

}

canvas {

position: absolute;

}

</style>

In this module which is the css module of the simple project.

The code given below is for the javascript module

<script>
	//Loads up the game
var w = window,
    d = document,
    e = d.documentElement,
    g = d.getElementsByTagName('body')[0];

var x = w.innerWidth || e.clientWidth || g.clientWidth,
        y = w.innerHeight || e.clientHeight || g.clientHeight;

var width = x - 16,
    height = y - 16;
    

var currentPosition; 

var N = 1 << 0, 
    S = 1 << 1,
    W = 1 << 2,
    E = 1 << 3;
 
var body = document.querySelectorAll('body');


    var layout = [],
        fronteirTest = [];
// Determines the size of the blocks 
    var cellSize = 16,
        cellSpacing = 8,
        cellWidth = Math.floor((width - cellSpacing) / (cellSize + cellSpacing)),
        cellHeight = Math.floor((height - cellSpacing) / (cellSize + cellSpacing)),
        cells = new Array(cellWidth * cellHeight), // each cell’s edge bits
        frontier = [];

    var maxY = Math.floor((height - cellSpacing) / (cellSize + cellSpacing)) - 1,
        maxX = Math.floor((width - cellSpacing) / (cellSize + cellSpacing)) - 1;


    var canvas = document.createElement('canvas');

    canvas.setAttribute("id", "canvas");
    canvas.setAttribute("width", width);
    canvas.setAttribute("height", height);

    body[0].appendChild(canvas);

    var context = canvas.getContext("2d");


    context.translate(
        Math.round((width - cellWidth * cellSize - (cellWidth + 1) * cellSpacing) / 2),
        Math.round((height - cellHeight * cellSize - (cellHeight + 1) * cellSpacing) / 2)
    );



    var canvas2 = document.createElement('canvas');

    canvas2.setAttribute("id", "canvas2");
    canvas2.setAttribute("width", width);
    canvas2.setAttribute("height", height);

    body[0].appendChild(canvas2);

    var game = canvas2.getContext("2d");

    game.translate(
        Math.round((width - cellWidth * cellSize - (cellWidth + 1) * cellSpacing) / 2),
        Math.round((height - cellHeight * cellSize - (cellHeight + 1) * cellSpacing) / 2)
    );

//color of the maze
    context.fillStyle = "#00ffff";

    // Add a random cell and two initial edges.
    var start = (cellHeight - 1) * cellWidth;
    cells[start] = 0;
    fillCell(start);
    frontier.push({
        index: start,
        direction: N
    });
    frontier.push({
        index: start,
        direction: E
    });

    // Explore the frontier until the tree spans the graph.
    function run() {
        var done, k = 0;
        while (++k < 50 && !(done = exploreFrontier()));
        return done;
    };

    function exploreFrontier() {

        if ((edge = popRandom(frontier)) == null) {
            layout.push({x: 0, y: maxY, d1: 0, d0: 0})
            for (var i = layout.length - 1; i >= 0; i--) {
              if(layout[i].x === 0 && layout[i].y === maxY) {
                drawPlayer(layout[i]);
              }
            };
            return true;
        }

        var edge,
            i0 = edge.index,
            d0 = edge.direction,
            i1 = i0 + (d0 === N ? -cellWidth : d0 === S ? cellWidth : d0 === W ? -1 : +1),
            x0 = i0 % cellWidth,
            y0 = i0 / cellWidth | 0,
            x1,
            y1,
            d1,
            open = cells[i1] == null, // opposite not yet part of the maze
            north,
            east,
            south,
            west;
// makes the maze color
        context.fillStyle = open ? "#00ffff": "transparent";
        if (d0 === N) fillSouth(i1), x1 = x0, y1 = y0 - 1, d1 = S, south = true;
        else if (d0 === S) fillSouth(i0), x1 = x0, y1 = y0 + 1, d1 = N, south = true;
        else if (d0 === W) fillEast(i1), x1 = x0 - 1, y1 = y0, d1 = E, east = true;
        else fillEast(i0), x1 = x0 + 1, y1 = y0, d1 = W, east = true;




        if (open) {
            fillCell(i1);
            cells[i0] |= d0, cells[i1] |= d1;
            context.fillStyle = "transparent";
            if (y1 > 0 && cells[i1 - cellWidth] == null) fillSouth(i1 - cellWidth), frontier.push({
                index: i1,
                direction: N
            }), south = true;
            if (y1 < cellHeight - 1 && cells[i1 + cellWidth] == null) fillSouth(i1), frontier.push({
                index: i1,
                direction: S
            }), south = true;
            if (x1 > 0 && cells[i1 - 1] == null) fillEast(i1 - 1), frontier.push({
                index: i1,
                direction: W
            }), east = true;
            if (x1 < cellWidth - 1 && cells[i1 + 1] == null) fillEast(i1), frontier.push({
                index: i1,
                direction: E
            }), east = true;
        }

        layout.push({
            open: open,
            x: x1,
            y: y1,
            d0: d0,
            d1: d1
        });
    }

    function fillCell(index) {
        var i = index % cellWidth,
            j = index / cellWidth | 0;
        context.fillRect(i * cellSize + (i + 1) * cellSpacing, j * cellSize + (j + 1) * cellSpacing, cellSize, cellSize);
    }

    function fillEast(index) {
        var i = index % cellWidth,
            j = index / cellWidth | 0;
        context.fillRect((i + 1) * (cellSize + cellSpacing), j * cellSize + (j + 1) * cellSpacing, cellSpacing, cellSize);
    }

    function fillSouth(index) {
        var i = index % cellWidth,
            j = index / cellWidth | 0;
        context.fillRect(i * cellSize + (i + 1) * cellSpacing, (j + 1) * (cellSize + cellSpacing), cellSize, cellSpacing);
    }

    function popRandom(array) {
        if (!array.length) return;
        var n = array.length,
            i = Math.random() * n | 0,
            t;
        t = array[i], array[i] = array[n - 1], array[n - 1] = t;
        return array.pop();
    }
//Changing the color and size of the balls
    function drawPlayer(position) {
        game.clearRect(0, 0, width, height);
        currentPosition = position;
        var playerX = position.x * cellSize + (position.x + 1) * cellSpacing;
        var playerY = position.y * cellSize + (position.y + 1) * cellSpacing
        var finishX = maxX * cellSize + (maxX + 1) * cellSpacing;
        var finishY = 0 * cellSize + (0 + 1) * cellSpacing
        game.beginPath();
        game.arc(finishX + (cellSize / 2), finishY + (cellSize / 2), cellSize / 2, 0, 2 * Math.PI, false);
        game.fillStyle = "green";
        game.fill();
        game.beginPath();
        game.arc(playerX + (cellSize / 2), playerY + (cellSize / 2), cellSize / 2, 0, 2 * Math.PI, false);
        game.fillStyle = "black";
        game.fill();
    }

    window.addEventListener("keydown", function(e) {

      var value = e.which;

      if(value === 37) moveWest(), e.preventDefault();
      if(value === 38) moveNorth(), e.preventDefault();
      if(value === 39) moveEast(), e.preventDefault();
      if(value === 40) moveSouth(), e.preventDefault();
     
      return false;
        
    });

    function moveWest() {
      var newY = currentPosition.y;
      var newX = currentPosition.x - 1;
      var newPosition;

      if (newX < 0) return false;

      for (var i = layout.length - 1; i >= 0; i--) {
        if(layout[i].x === newX && layout[i].y === newY) {
          newPosition = layout[i];
        }
      };

      if(newPosition.x === maxX && newPosition.y === 0) {
        gameComplete();
      }


      if (( currentPosition.d1 === W) || (newPosition.d1 === E)) {
        drawPlayer(newPosition); 
      };
    }

    function moveEast() {
      var newY = currentPosition.y;
      var newX = currentPosition.x + 1;
      var newPosition;

      if (newX > maxX) return false;

      for (var i = layout.length - 1; i >= 0; i--) {
        if(layout[i].x === newX && layout[i].y === newY) {
          newPosition = layout[i];
        }
      };

      if(newPosition.x === maxX && newPosition.y === 0) {
        gameComplete();
      }

      if (( currentPosition.d1 === E) || (newPosition.d1 === W)) {
        drawPlayer(newPosition); 
      };

      
    }

    function moveNorth() {
      var newY = currentPosition.y - 1;
      var newX = currentPosition.x;
      var newPosition;


      if (newY < 0) return false;

      for (var i = layout.length - 1; i >= 0; i--) {
        if(layout[i].x === newX && layout[i].y === newY) {
          newPosition = layout[i];
        }
      };

      if(newPosition.x === maxX && newPosition.y === 0) {
        gameComplete();
      }

      if (( currentPosition.d1 === N) || (newPosition.d1 === S)) {
        drawPlayer(newPosition); 
      };

    }

    function moveSouth() {
      var newY = currentPosition.y + 1;
      var newX = currentPosition.x;
      var newPosition;

      if (newY > maxY) return false;

      for (var i = layout.length - 1; i >= 0; i--) {
        if(layout[i].x === newX && layout[i].y === newY) {
          newPosition = layout[i];
        }
      };

      if(newPosition.x === maxX && newPosition.y === 0) {
        gameComplete();
      }

      if (( currentPosition.d1 === S) || (newPosition.d1 === N)) {
        drawPlayer(newPosition); 
      };
      
    }
//Changes the alert when you win the game
    function gameComplete() {
        alert('Wow! You won! Thats pretty neat!'); 
      }


    (function() {
        var lastTime = 0;
        var vendors = ['ms', 'moz', 'webkit', 'o'];
        for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
            window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
            window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame'] 
                                       || window[vendors[x]+'CancelRequestAnimationFrame'];
        }
     
        if (!window.requestAnimationFrame)
            window.requestAnimationFrame = function(callback, element) {
                var currTime = new Date().getTime();
                var timeToCall = Math.max(0, 16 - (currTime - lastTime));
                var id = window.setTimeout(function() { callback(currTime + timeToCall); }, 
                  timeToCall);
                lastTime = currTime + timeToCall;
                return id;
            };
     
        if (!window.cancelAnimationFrame)
            window.cancelAnimationFrame = function(id) {
                clearTimeout(id);
            };
    }());

    function animate() {
      
        requestAnimationFrame(function() {
            if(!run()) {
                animate();
            }
        });
    }

    animate();
</script>

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<script>

//Loads up the game

var w = window,

d = document,

e = d.documentElement,

g = d.getElementsByTagName('body')[0];

var x = w.innerWidth || e.clientWidth || g.clientWidth,

y = w.innerHeight || e.clientHeight || g.clientHeight;

var width = x - 16,

height = y - 16;

var currentPosition;

var N = 1 << 0,

S = 1 << 1,

W = 1 << 2,

E = 1 << 3;

var body = document.querySelectorAll('body');

var layout = [],

fronteirTest = [];

// Determines the size of the blocks

var cellSize = 16,

cellSpacing = 8,

cellWidth = Math.floor((width - cellSpacing) / (cellSize + cellSpacing)),

cellHeight = Math.floor((height - cellSpacing) / (cellSize + cellSpacing)),

cells = new Array(cellWidth * cellHeight), // each cell’s edge bits

frontier = [];

var maxY = Math.floor((height - cellSpacing) / (cellSize + cellSpacing)) - 1,

maxX = Math.floor((width - cellSpacing) / (cellSize + cellSpacing)) - 1;

var canvas = document.createElement('canvas');

canvas.setAttribute("id", "canvas");

canvas.setAttribute("width", width);

canvas.setAttribute("height", height);

body[0].appendChild(canvas);

var context = canvas.getContext("2d");

context.translate(

Math.round((width - cellWidth * cellSize - (cellWidth + 1) * cellSpacing) / 2),

Math.round((height - cellHeight * cellSize - (cellHeight + 1) * cellSpacing) / 2)

);

var canvas2 = document.createElement('canvas');

canvas2.setAttribute("id", "canvas2");

canvas2.setAttribute("width", width);

canvas2.setAttribute("height", height);

body[0].appendChild(canvas2);

var game = canvas2.getContext("2d");

game.translate(

Math.round((width - cellWidth * cellSize - (cellWidth + 1) * cellSpacing) / 2),

Math.round((height - cellHeight * cellSize - (cellHeight + 1) * cellSpacing) / 2)

);

//color of the maze

context.fillStyle = "#00ffff";

// Add a random cell and two initial edges.

var start = (cellHeight - 1) * cellWidth;

cells[start] = 0;

fillCell(start);

frontier.push({

index: start,

direction: N

});

frontier.push({

index: start,

direction: E

});

// Explore the frontier until the tree spans the graph.

function run() {

var done, k = 0;

while (++k < 50 && !(done = exploreFrontier()));

return done;

};

function exploreFrontier() {

if ((edge = popRandom(frontier)) == null) {

layout.push({x: 0, y: maxY, d1: 0, d0: 0})

for (var i = layout.length - 1; i >= 0; i--) {

if(layout[i].x === 0 && layout[i].y === maxY) {

drawPlayer(layout[i]);

}

};

return true;

}

var edge,

i0 = edge.index,

d0 = edge.direction,

i1 = i0 + (d0 === N ? -cellWidth : d0 === S ? cellWidth : d0 === W ? -1 : +1),

x0 = i0 % cellWidth,

y0 = i0 / cellWidth | 0,

x1,

y1,

d1,

open = cells[i1] == null, // opposite not yet part of the maze

north,

east,

south,

west;

// makes the maze color

context.fillStyle = open ? "#00ffff": "transparent";

if (d0 === N) fillSouth(i1), x1 = x0, y1 = y0 - 1, d1 = S, south = true;

else if (d0 === S) fillSouth(i0), x1 = x0, y1 = y0 + 1, d1 = N, south = true;

else if (d0 === W) fillEast(i1), x1 = x0 - 1, y1 = y0, d1 = E, east = true;

else fillEast(i0), x1 = x0 + 1, y1 = y0, d1 = W, east = true;

if (open) {

fillCell(i1);

cells[i0] |= d0, cells[i1] |= d1;

context.fillStyle = "transparent";

if (y1 > 0 && cells[i1 - cellWidth] == null) fillSouth(i1 - cellWidth), frontier.push({

index: i1,

direction: N

}), south = true;

if (y1 < cellHeight - 1 && cells[i1 + cellWidth] == null) fillSouth(i1), frontier.push({

index: i1,

direction: S

}), south = true;

if (x1 > 0 && cells[i1 - 1] == null) fillEast(i1 - 1), frontier.push({

index: i1,

direction: W

}), east = true;

if (x1 < cellWidth - 1 && cells[i1 + 1] == null) fillEast(i1), frontier.push({

index: i1,

direction: E

}), east = true;

}

layout.push({

open: open,

x: x1,

y: y1,

d0: d0,

d1: d1

});

}

function fillCell(index) {

var i = index % cellWidth,

j = index / cellWidth | 0;

context.fillRect(i * cellSize + (i + 1) * cellSpacing, j * cellSize + (j + 1) * cellSpacing, cellSize, cellSize);

}

function fillEast(index) {

var i = index % cellWidth,

j = index / cellWidth | 0;

context.fillRect((i + 1) * (cellSize + cellSpacing), j * cellSize + (j + 1) * cellSpacing, cellSpacing, cellSize);

}

function fillSouth(index) {

var i = index % cellWidth,

j = index / cellWidth | 0;

context.fillRect(i * cellSize + (i + 1) * cellSpacing, (j + 1) * (cellSize + cellSpacing), cellSize, cellSpacing);

}

function popRandom(array) {

if (!array.length) return;

var n = array.length,

i = Math.random() * n | 0,

t;

t = array[i], array[i] = array[n - 1], array[n - 1] = t;

return array.pop();

}

//Changing the color and size of the balls

function drawPlayer(position) {

game.clearRect(0, 0, width, height);

currentPosition = position;

var playerX = position.x * cellSize + (position.x + 1) * cellSpacing;

var playerY = position.y * cellSize + (position.y + 1) * cellSpacing

var finishX = maxX * cellSize + (maxX + 1) * cellSpacing;

var finishY = 0 * cellSize + (0 + 1) * cellSpacing

game.beginPath();

game.arc(finishX + (cellSize / 2), finishY + (cellSize / 2), cellSize / 2, 0, 2 * Math.PI, false);

game.fillStyle = "green";

game.fill();

game.beginPath();

game.arc(playerX + (cellSize / 2), playerY + (cellSize / 2), cellSize / 2, 0, 2 * Math.PI, false);

game.fillStyle = "black";

game.fill();

}

window.addEventListener("keydown", function(e) {

var value = e.which;

if(value === 37) moveWest(), e.preventDefault();

if(value === 38) moveNorth(), e.preventDefault();

if(value === 39) moveEast(), e.preventDefault();

if(value === 40) moveSouth(), e.preventDefault();

return false;

});

function moveWest() {

var newY = currentPosition.y;

var newX = currentPosition.x - 1;

var newPosition;

if (newX < 0) return false;

for (var i = layout.length - 1; i >= 0; i--) {

if(layout[i].x === newX && layout[i].y === newY) {

newPosition = layout[i];

}

};

if(newPosition.x === maxX && newPosition.y === 0) {

gameComplete();

}

if (( currentPosition.d1 === W) || (newPosition.d1 === E)) {

drawPlayer(newPosition);

};

}

function moveEast() {

var newY = currentPosition.y;

var newX = currentPosition.x + 1;

var newPosition;

if (newX > maxX) return false;

for (var i = layout.length - 1; i >= 0; i--) {

if(layout[i].x === newX && layout[i].y === newY) {

newPosition = layout[i];

}

};

if(newPosition.x === maxX && newPosition.y === 0) {

gameComplete();

}

if (( currentPosition.d1 === E) || (newPosition.d1 === W)) {

drawPlayer(newPosition);

};

}

function moveNorth() {

var newY = currentPosition.y - 1;

var newX = currentPosition.x;

var newPosition;

if (newY < 0) return false;

for (var i = layout.length - 1; i >= 0; i--) {

if(layout[i].x === newX && layout[i].y === newY) {

newPosition = layout[i];

}

};

if(newPosition.x === maxX && newPosition.y === 0) {

gameComplete();

}

if (( currentPosition.d1 === N) || (newPosition.d1 === S)) {

drawPlayer(newPosition);

};

}

function moveSouth() {

var newY = currentPosition.y + 1;

var newX = currentPosition.x;

var newPosition;

if (newY > maxY) return false;

for (var i = layout.length - 1; i >= 0; i--) {

if(layout[i].x === newX && layout[i].y === newY) {

newPosition = layout[i];

}

};

if(newPosition.x === maxX && newPosition.y === 0) {

gameComplete();

}

if (( currentPosition.d1 === S) || (newPosition.d1 === N)) {

drawPlayer(newPosition);

};

}

//Changes the alert when you win the game

function gameComplete() {

alert('Wow! You won! Thats pretty neat!');

}

(function() {

var lastTime = 0;

var vendors = ['ms', 'moz', 'webkit', 'o'];

for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {

window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];

window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame']

|| window[vendors[x]+'CancelRequestAnimationFrame'];

}

if (!window.requestAnimationFrame)

window.requestAnimationFrame = function(callback, element) {

var currTime = new Date().getTime();

var timeToCall = Math.max(0, 16 - (currTime - lastTime));

var id = window.setTimeout(function() { callback(currTime + timeToCall); },

timeToCall);

lastTime = currTime + timeToCall;

return id;

};

if (!window.cancelAnimationFrame)

window.cancelAnimationFrame = function(id) {

clearTimeout(id);

};

}());

function animate() {

requestAnimationFrame(function() {

if(!run()) {

animate();

}

});

}

animate();

</script>

In this module which is the javascript module of the simple project.

Project Output

Simple Maze Game Javascript Output

ABOUT PROJECT	PROJECT DETAILS
Project Name :	Simple Maze Game Using Javascript
Project Platform :	JavaScript
Programming Language Used:	php,javascript,html,css
Developer Name :	itsourcecode.com
IDE Tool (Recommended):	Sublime
Project Type :	Web Application
Database:	None
Upload Date:	July 13, 2021

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Downloadable Source Code

Summary

This JavaScript Project With Source Code is simply in HTML, CSS, and JavaScript. To start creating this Simple Javascript Project With Source Code, make sure that you have basic knowledge in HTML, CSS and Javascript.

This Javascript Game Project also includes a downloadable Javascript Game Project With Source Code for free.

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