Computer Graphics Tutorial for Beginners (With Theory & Practical Examples)

Introduction

Welcome to the Computer Graphics Tutorial Series by Simple Snippets.
This series is designed for IT, Computer Science, and Engineering students who want to learn Computer Graphics from scratch, covering both theory concepts and practical implementations with algorithms.

Even if you are new to Computer Graphics, you can follow along easily. We will start with the fundamentals of graphics systems and gradually move toward advanced algorithms and coding implementations in C++ and OpenGL.

Computer Graphics is one of the most important subjects in computer science, as it deals with how images, animations, and visual data are represented, generated, and displayed using computers. This subject is crucial for fields such as:

• Game Development 🎮
• Animation and Visual Effects 🎬
• User Interface & Interaction Design 💻
• Simulation and Virtual Reality 🌐
• Computer-Aided Design (CAD) & Engineering 🏗️

Why Learn Computer Graphics?

• Exam-oriented preparation → Covers theory questions often asked in university exams.
• Practical focus → Includes step-by-step algorithm implementations.
• Visualization → Learn how abstract algorithms produce real-world graphical outputs.
• Career benefits → Builds a strong base for game development, AR/VR, and multimedia applications.

What We Will Cover

In this tutorial series, we will cover:

• Basics of Computer Graphics
• Output Primitives (points, lines, circles, polygons)
• Line Drawing Algorithms (DDA, Bresenham’s)
• Circle Drawing Algorithms (Midpoint Circle, Bresenham’s Circle)
• 2D Geometric Transformations (Translation, Scaling, Rotation, Reflection, Shearing)
• 2D Viewing and Clipping Algorithms
• 3D Geometric Transformations
• 3D Viewing, Projections & Hidden Surface Removal
• Illumination and Shading Models
• Practical Implementations using C++

👉 Each topic will be explained in a student-friendly way with diagrams, step-by-step examples, and C++ code implementations.

Who Can Benefit From This Series?

This tutorial series is ideal for:

• Engineering & IT students preparing for exams.
• Beginners in Computer Graphics looking for structured guidance.
• Programmers interested in implementing algorithms.
• Enthusiasts exploring graphics, animation, and visualization.

How To Use This Tutorial

1. Start with the basics → Understand theoretical foundations first.
2. Study algorithms step by step → Each algorithm will be explained with logic, flowchart, and example code.
3. Practice coding → Implement algorithms in C++ to get hands-on experience.
4. Revise with notes → Each topic will be concise and exam-ready.

Topics