๐ŸŽฎ Building a PHP Catch Game: My Journey into Web Game Development

I'm excited to share my latest project - a browser-based catching game built with PHP, JavaScript, HTML, and CSS! ๐Ÿš€

๐Ÿ’ก The Concept

Have you ever wanted to create a simple yet addictive browser game? That's exactly what I set out to do with my "Catch the Falling Objects" game. The premise is straightforward: control a paddle at the bottom of the screen and catch colorful falling objects before they hit the ground.

๐Ÿ› ๏ธ Tech Stack

This project combines several web technologies:

  • HTML5 for structure

  • CSS3 for styling

  • JavaScript for game mechanics

  • PHP for server-side processing

  • JSON for data storage

โœจ Key Features

  1. Responsive Controls - Play with keyboard (arrow keys/WASD) or touch controls on mobile

  2. Progressive Difficulty - Game speed increases as your score grows

  3. High Score System - Compete with friends for the top spot

  4. Cross-Platform - Works on desktop and mobile devices

๐Ÿ” Technical Highlights

The most interesting technical aspects were:

  • Implementing collision detection between the paddle and falling objects

  • Creating a dynamic difficulty system that adjusts game speed based on player performance

  • Building a persistent high score system using PHP and JSON

๐Ÿ’ป Code Snippet

Here's a glimpse of the collision detection logic:

function checkCollisions() {
    const playerRect = player.getBoundingClientRect();

    for (let i = 0; i < fallingObjects.length; i++) {
        const obj = fallingObjects[i];
        const objRect = obj.element.getBoundingClientRect();

        // Check collision
        if (
            objRect.bottom >= playerRect.top &&
            objRect.right >= playerRect.left &&
            objRect.left <= playerRect.right &&
            objRect.top <= playerRect.bottom
        ) {
            // Collision detected - handle scoring
        }
    }
}

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๐ŸŒŸ What I Learned

This project taught me valuable lessons about:

  • Game loop implementation

  • Animation timing in JavaScript

  • User input handling across different devices

  • Server-client interaction for score persistence

๐Ÿ”ฎ Future Enhancements

I'm planning to add:

  • Different types of falling objects with varying point values

  • Power-ups to enhance gameplay

  • Sound effects and background music

  • User accounts and authentication

๐Ÿ”— Try It Yourself!

The project is open source and available on GitHub. Feel free to check it out, provide feedback, or even contribute!

https://github.com/whatdadogdoing/catch_game

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Written by

Nguyen Quang Binh
Nguyen Quang Binh