Building Tetris Tetrominoes in JavaScript

Creating a classic grid-based game requires a solid grasp of how game pieces are represented, moved, and rendered. Understanding how to manage these shapes is the foundation of 2D puzzle game mechanics. In this text-only course, you will learn how to design, position, and manipulate Tetromino pieces using modern JavaScript. You will transition from basic coordinates to fully functional, rotatable game pieces that interact correctly with a game board. What you'll learn: - Understand the mathematical representations of classic game grid shapes - Render game pieces dynamically using the JavaScript Canvas API - Implement rotation logic and boundary collision detection algorithms - Structure your game code cleanly using modern JavaScript ES6+ classes - Manage game state transitions as pieces move, lock, and clear lines The course begins with foundational definitions of grid coordinates and matrix representations of shapes. You will then progress through step-by-step written guides on rendering, movement, and collision logic, culminating in clean, modular code ready for any 2D browser game. This course is designed for beginner JavaScript developers who want to apply their coding skills to game logic. No prior game development experience is required. Start reading today to build the core mechanics of your own grid-based puzzle game.