The Cherno Courses

Maps in C++ - std-map and std-unordered_map

Learn to use C++ std::map and std::unordered_map, including custom hashing, lookup, iteration, removal, and performance trade-offs.

• YouTube
• 30 minutes
• Self-Paced
• Free Video

Space Invaders Clone in C# - Code Review and Optimization

A code review of a C# Space Invaders clone focused on performance, abstraction, state machines, delta time, alien movement, and gameplay AI.

• YouTube
• 1 hour 11 minutes
• Self-Paced
• Free Video

C# Game Engine Code Review - Building a 3D Renderer at 16

A code review of a 16-year-old’s C# game engine, examining renderer architecture, environment maps, render passes, bloom, shaders, and nullable reference types.

• YouTube
• 49 minutes
• Self-Paced
• Free Video

Best Way to Make Desktop Applications in C++

Build and ship a C++ desktop application with Dear ImGui using an immediate-mode GUI approach.

• YouTube
• 26 minutes
• Self-Paced
• Free Video

Making a Game in One Hour Using a Custom Engine

Build a playable rocket game in Hazel with Blender assets, scripted behavior, scoring, particles, audio, and progressive gameplay.

• YouTube
• 35 minutes
• Self-Paced
• Free Video

Optimizing Ray Tracing Performance - Code Review

A code review of a ray tracer that investigates rendering slowdowns, examines multithreading, and proposes a faster implementation.

• YouTube
• 39 minutes
• Self-Paced
• Free Video

Visualizing Physics Colliders - Game Engine Series

Implement and render physics colliders in the Hazel game engine, including circle rendering and collider transformations.

• YouTube
• 33 minutes
• Self-Paced
• Free Video

Instanced Rendering in My Game Engine

Implement instanced rendering in Hazel to reduce draw calls and improve scene-rendering performance in a custom game engine.

• YouTube
• 25 minutes
• Self-Paced
• Free Video

Rendering Lines in a Game Engine - Game Engine Series

Implement line and rectangle rendering in OpenGL, including thicker, smoother, and transformed shapes, within a game engine.

• YouTube
• 38 minutes
• Self-Paced
• Free Video

Rendering Circles in a Game Engine - Game Engine Series

Learn to render circles in a game engine, debug transparency and runtime issues, improve mouse picking, and serialize renderer components.

• YouTube
• 1 hour 5 minutes
• Self-Paced
• Free Video

Chess Code Review and Performance Optimization

A code review of a chess game examining object allocation, event-driven design, main-loop performance, piece hierarchies, and move calculation.

• YouTube
• 51 minutes
• Self-Paced
• Free Video

Learning C++ for Java, C#, and Python Developers - Code Review

A C++ code review that diagnoses compiler errors, memory leaks, resource lifetimes, game freezing, and architecture issues in a small game.

• YouTube
• 48 minutes
• Self-Paced
• Free Video

Universally Unique Identifiers - Game Engine Series

Implement UUIDs, hash them, and integrate them into Hazel for game engine development.

• YouTube
• 42 minutes
• Self-Paced
• Free Video

Hazel 2D - Game Engine Series

Build a glowing Play button in the Hazel 2D game engine, from handling texture transparency to wiring its functionality.

• YouTube
• 46 minutes
• Self-Paced
• Free Video

Ray Tracing Code Review

A code review of a ray-tracing project, following bugs from scene paths through multithreaded rendering and BMP output.

• YouTube
• 59 minutes
• Self-Paced
• Free Video