rasteringwithiron

Basic rasterizer written in Haxe with help of Iron Framework for learning purpose.

Features

• PBR:

  • Cook-Torrance Model.
  • Diffuse Model: Lambertian.
  • Fresnel Equation: Schlick.
  • Microfacet Distribution: GGX.
  • Geometry Attenuation: GGX-Smith.
  • To-Do: IBL:
    • To-Do: Diffuse Irradiance.
    • To-Do: Specular Radiance.

• Cel-Shade(little joke, need to do more).

  • Steps based lighting.
  • To-Do: Outline.

To-Do

• Fully implement Old-School rendering model.
• Improve Cel-shading.
• Add Zui to control.
• Try using different PBR diffuse model.

Movements

• WASD to move around.
• Q to go strafe and E to strafe up.
• Mouse click to lock mouse.
• Escape to unlock mouse.

Models

There are bunch of models to test with, Change this line data_ref:"Barel.arm/barel" where Barel.arm is arm file that has model and barel is model name, in Scene .json file, model are listed below, you can add your own!(Note: Make sure your model is uv-unwarped or else it will not show texture, but this isn't case in shader without texture).

• Suzanne.arm/Suzanne(Suzanne)(Warning: No UV in this one).
• SBunny.arm/bunny(Standford Rabbit).
• Teapot.arm/teapot(Utah Teapot).
• SSphere.arm/Sphere(Smooth Sphere).
• Icosphere.arm/Icosphere(Flat Icosphere).
• Cube.arm/Cube(Box/Cube).

Feel free to open Issue and Make PR.

Scene

There are 3 Scene:

• ScenePBR- PBR with textures.
• ScenePBRCol- PBR Material.
• SceneToon- Toon Shading.

Showcase

PBR Texture:

PBR Material:

Toon Shading: