Simple geometry algorithms

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	3D Graphics    * 3D Basics: How 3D graphics work, building a Camera Class    * Points, Sprites and Moving: Project 3D points and sprites on screen, control the camera    * 3D Lines: Drawing and clipping 3D linesFiltering 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    * Perlin Noise: Turbulence, Clouds, Marble, Wood, ...	Mathematics    * Vectors: Needed for 3D graphics    * Matrices and Transformations: For transformations in 3D graphics    * Complex Numbers: What's the square root of -1?	Image File Types    * PNG Loader: A .png image loader for C++. No library dependencies.