Lode's Computer Graphics Tutorial

Introduction

• Legal Stuff: Copyright message
  
• SDL, C++ and QuickCG: Installing SDL and using QuickCG with your compiler, function reference
• QuickCG Examples: Examples of every function from QuickCG

Color and Image Arithmetic

• Light and Color: How humans see color, Color Model Conversions, and editing colors of images
• Image Arithmetic: Adding, Subtracting, ...
  

2D Drawing

• Painting: Painting with brushes of various colors, opacities and sizes
• Flood Fill: Filling areas with a new color
  
• Cohen Sutherland Clipping: Clipping 2D Lines
  

Fractals

• Recursion Trees: Make trees with fractals
  
• Sierpinski Fractals: Sierpinski Triangle and Sierpinski Carpet
  
• Julia and Mandelbrot Set: Those pretty fractals

Oldskool Effects

• Plasma: The plasma effect
  
• Fire Effect: The classic
  
• Tunnel Effect: It looks like a 3D tunnel

Raycasting

• Raycasting: Untextured and textured walls
• Raycasting II: Floor and Ceiling
• Raycasting III: Sprites
• Raycasting IV: Directional Sprites, Doors, Secrets, Fog, Enemies, And More

Filtering and FT

• Image Filtering: Blur, Find Edges, Emboss, ...
  
• Fourier Transform: Introduction to FT and frequency spectrum of signals an images, and using it on RGB color images

Texture Generation

• The XOR Texture: Not artistic, but handy
  
• Texture Generation using Random Noise: Turbulence, Clouds, Marble, Wood, ...

• quickcg.cpp
  
• quickcg.h
  
• main.cpp
  

• quickcg.dev (optional DevC++ project file)
  

• q3dmath.cpp
  
• q3dmath.h