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Flappy Bird Game Using HTML & JavaScript (Source Code)

Welcome to the CodeWithRandom blog. In this blog, We learn how to create a simple Flappy Bird Game. We use HTML, Css, And JavaScript🤩 for this Flappy Bird Game Source Code.

An endless game called Flappy Bird has a bird that the user can manage. The player must prevent the bird from hitting obstacles like pipes. Every time the bird moves through the pipes, the score goes up by one. When the bird hits the pipes or plummets to the ground owing to gravity, the game is over. The procedures that must be performed to create this game are described in the sections below.

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I hope you enjoy our blog so let’s start with a basic HTML structure for the Flappy Bird Game Code.

Code by	N /A
Project Download	Link Available Below
Language used	HTML, CSS, and JavaScript
External link / Dependencies	No
Responsive	YES

Flappy Bird Game Table

HTML Code For Flappy Bird Game

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Flappy Bird Game</title>
    </head>
    <body>
        <h3>flappyBird Game</h3>
        <div class="random">
            <canvas id="canvas" width="288" height="512"></canvas>
        </div>
        <script src="flappyBird.js"></script>
    </body>
</html>

Give our flappy bird game a framework. Using the <h3> tag selector, we will give our flappy bird game’s heading inside the body section. Now using the div tag with the class “random” The Flappy Bird image’s container will be made. The canvas Method is now being used, with 512 and 288 as the width and height, respectively.

There is all the HTML code & Css code for the Flappy Bird Game Code. Now you can see output without Css and JavaScript🤩. This is only the HTML coding output for Flappy Bird Game Code. Then we write Css And JavaScript for Flappy Bird Game Code🔥.

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Output Flappy Bird Game Code

CSS Code For Flappy Bird Game

.random {
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
h3 {
    text-align: center;
    font-size: 2rem;
}

Now applying the class selector at random 100 vh will be chosen as the height. We’ll use the width property to change the display type to “set to flex” and the width to 100%. We will put the element in the centre by using the Align item property.

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We’ll inside the letter from the H3 Times. Put the text in centre alignment. utilising the text-align attribute. The text’s font size is also set to 2 REM.

Css Updated Output Flappy Bird Game Code

Flappy Bird Game Using HTML CSS JAVASCRIPT

JavaScript Code For Flappy Bird Game

"use strict";

var cvs = document.getElementById("canvas");
var ctx = cvs.getContext("2d");

// load images
var bird = new Image();
var bg = new Image();
var fg = new Image();
var pipeNorth = new Image();
var pipeSouth = new Image();

bird.src = "images/bird.png";
bg.src = "images/bg.png";
fg.src = "images/fg.png";
pipeNorth.src = "images/pipeNorth.png";
pipeSouth.src = "images/pipeSouth.png";

// some variables
var gap = 85;
var constant;
var bX = 10;
var bY = 150;
var gravity = 1.5;
var score = 0;

// audio files
var fly = new Audio();
var scor = new Audio();

fly.src = "sounds/fly.mp3";
scor.src = "sounds/score.mp3";

// on key down
document.addEventListener("keydown", moveUp);

function moveUp() {
  bY -= 25;

  fly.play();
}

// pipe coordinates
var pipe = [];

pipe[0] = {
  x: cvs.width,

  y: 0,
};

// draw images
function draw() {
  ctx.drawImage(bg, 0, 0);

  for (var i = 0; i < pipe.length; i++) {
    constant = pipeNorth.height + gap;

    ctx.drawImage(pipeNorth, pipe[i].x, pipe[i].y);
    ctx.drawImage(pipeSouth, pipe[i].x, pipe[i].y + constant);

    pipe[i].x--;

    if (pipe[i].x == 125) {
      pipe.push({
        x: cvs.width,
        y: Math.floor(Math.random() * pipeNorth.height) - pipeNorth.height,
      });
    }

    // detect collision
    if (
      (bX + bird.width >= pipe[i].x &&
        bX <= pipe[i].x + pipeNorth.width &&
        (bY <= pipe[i].y + pipeNorth.height ||
          bY + bird.height >= pipe[i].y + constant)) ||
      bY + bird.height >= cvs.height - fg.height
    ) {
      location.reload(); // reload the page
    }

    if (pipe[i].x == 5) {
      score++;
      scor.play();
    }
  }

  ctx.drawImage(fg, 0, cvs.height - fg.height);
  ctx.drawImage(bird, bX, bY);

  bY += gravity;
  ctx.fillStyle = "#000";
  ctx.font = "20px Verdana";
  ctx.fillText("Score : " + score, 10, cvs.height - 20);
  requestAnimationFrame(draw);
}

draw();

Use strict is the first remark in the code.
This ensures that the code will execute without any issues.
The object CVS, a canvas element on the page, is created in the following line.
The context of this canvas is then obtained, and it is saved in the ctx variable.
The next several lines also load the audio files fly and score while loading images into the variables bird, bg, fg, pipeNorth, pipeSouth, and score.
Two images are loaded by the code—one for the bird and one for the background.
Next, a “gap” variable is created and given a value of 85 pixels.
The x and y coordinates of the bird’s beginning place on the screen are then determined using variables called bX and bY.
When the bird is released by pressing a key on the keyboard, gravity and score will be used to determine whether it flies north or south of the pipe.

It then loops through each pipe and draws it on top of the background image, using a constant height for each pipe.

The code also checks to see if there is a collision between any pipes and the bird.

If so, it reloads the page with an animation that plays when you click on one of the pipes.

The code is a very simple example of the use of requestAnimationFrame function.

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Final Output Flappy Bird Game Code

Now we have completed our javascript code for Flappy Bird Game. Here is our updated output with javascript. Hope you like the Flappy Bird Game Code. you can see the output video and project screenshots.

See our other blogs and gain knowledge in front-end development.

Thank you !

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In this post, we learn how to create a Flappy Bird Game Code using simple HTML & CSS, and javascript. If we made a mistake or any confusion, please drop a comment to reply or help you in easy learning.

Written by – CodeWithRandom/Anki

Which code editor do you use for this Flappy Bird Game coding?

I personally recommend using VS Code Studio, it’s straightforward and easy to use.

is this project responsive or not?

Yes! this project is a responsive project.

Do you use any external links to create this project?

No!

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This Post Has 3 Comments

Anonymous April 5, 2022 Reply

THANK YOU FOR THIS AMAZING POST SIR, THESE CODES HELP ME A LOT IN IMPROVING MY SKILLS. PLEASE KEEP DOING THIS SIR.��
V.P.Bhaskar April 17, 2022 Reply

WHERE ARE THE IMAGES BROTHER , THAT YOU HAVE MENTIONED IN SOURCE CODE WHERE WE HAVE TO GO FOR TH PICTURES
Anonymous May 24, 2022 Reply

Cant see any link or file for the images and sounds