Javascript Software Renderer

3D Software renderer implemented in HTML canvas.
This program is written in vanilla javascript. No WebGL, No external library used.

Example

Post processing	Normal mapping

Line and triangle	Flat and smooth shaded spheres

Normal mapped cube 1	Normal mapped cube 2

Normal mapped barrel	Textured cubes and Blender Suzanne

Diablo model with normal mapping	Diablo model without normal mapping

Real-time rendering
Point and line rendering
Triangle rasterization
- A Parallel Algorithm for Polygon Rasterization. Juan Pineda. Siggraph 1988.
- Explained
Indexed vertex rendering
Depth buffering
Clipping for z-near plane
Perspective projection, viewport transform
Back face culling
Perspective-correct vertex attribute interpolation
Texture mapping
Skybox
OBJ model loading
- Calculating face normal and tangent vectors
Vertex, Fragment(Pixel) shading
Phong shading model
- Directional light
Normal mapping
Resolution changer
Post-processing stage