https://github.com/sinanislekdemir/raylar

Raylar Raytracing Engine
https://github.com/sinanislekdemir/raylar

3d raytracer raytracing render renderer rendering-engine

Last synced: 26 days ago
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Raylar Raytracing Engine

• Host: GitHub
• URL: https://github.com/sinanislekdemir/raylar
• Owner: sinanislekdemir
• License: mit
• Created: 2020-01-13T21:17:50.000Z (almost 5 years ago)
• Default Branch: master
• Last Pushed: 2023-02-16T07:29:24.000Z (over 1 year ago)
• Last Synced: 2024-03-15T10:21:38.777Z (8 months ago)
• Topics: 3d, raytracer, raytracing, render, renderer, rendering-engine
• Language: Go
• Homepage:
• Size: 111 MB
• Stars: 13
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
# raylar render engine

Work in progress :)

install: _you need golang to install_

    go install github.com/sinanislekdemir/raylar

![glasses](https://www.16x4.com/teapot_1200.png)

- [x] Raytracing

  - [x] KD-Tree

- [x] Texture support (png, jpeg)

- [x] Ambient Occlusion

- [x] Ambient Color

- [x] Point lights

- [x] Light Objects (and area light)

- [x] Basic Reflections

- [x] Bump Mapping

- [x] Alpha Channel

- [X] Environment Map

## Stages of rendering (without Caustics)

### Ambient Occlusion Only

![ao_kitchen](https://www.16x4.com/01_kitchen_ao.png)

### Ambient Occlusion with Colors

![ao_kitchen_color](https://www.16x4.com/02_kitchen_ao_color.png)

### AO with Colors and Reflections/Refractions

![ao_kitchen_ref_color](https://www.16x4.com/03_kitchen_ao_color_ref.png)

### Render with AO + Lights + Colors

![kitchen_full](https://www.16x4.com/04_kitchen_ao_color_ref_light.png)

### Environment Map

![kitchen_full](https://www.16x4.com/env_map.png)

![residential](https://www.16x4.com/residental.png)

![metro_int](https://www.16x4.com/mmetro.png)

## Happy Buddha Example (1088700 triangles in 1h55m37s 3200x1800 in January 2020, only 9 minutes in March 2020)

(This is a raw cropped image - No after-effects applied)

(Scene can be downloaded from [https://www.islekdemir.com/buddha.tar.gz](https://www.16x4.com/buddha.tar.gz))

![budha](https://www.16x4.com/buddha_new.jpg)

    2020/01/27 17:57:06 Loading configuration from config.json

    2020/01/27 17:57:06 Unmarshal JSON

    2020/01/27 17:57:06 Loading file: scene.json

    2020/01/27 17:57:06 Unmarshal JSON

    2020/01/27 17:57:17 Fixing object Ws

    2020/01/27 17:57:17 Flatten Scene Objects

    2020/01/27 17:57:17 Transform object vertices to absolute and build KDTrees

    2020/01/27 17:57:17 Prepare object house

    2020/01/27 17:57:17 Local to absolute

    2020/01/27 17:57:17 Unify triangles

    2020/01/27 17:57:18 Build KDTree

    2020/01/27 17:58:15 Built 2004709 nodes with 26 max depth, object ready

    2020/01/27 17:58:15 Parse material textures

    2020/01/27 17:58:15 Calculating ambient parameters

    2020/01/27 17:58:15 Ambient max radius: 3.406166

    2020/01/27 17:58:15 Exterior Scene

    2020/01/27 17:58:15 Number of vertices: 0

    2020/01/27 17:58:15 Number of indices: 1088700

    2020/01/27 17:58:15 Number of materials: 8

    2020/01/27 17:58:15 Number of triangles: 1088700

    2020/01/27 17:58:15 Loaded scene in 69.398893 seconds

    2020/01/27 17:58:15 Start rendering scene

    2020/01/27 17:58:15 Output image size: 3200 x 1800

     5760000 / 5760000 [====================================] 100.00% 1h55m37s

    2020/01/27 19:53:53 Rendered scene in 6937.625351 seconds

    2020/01/27 19:53:53 Post processing and saving file

### After optimizations by 9th of March 2020:

    2020/03/09 09:14:30 Initializing the scene

    2020/03/09 09:14:30 Loading configuration from /home/sinan/Desktop/buddha/buddha/config.json

    2020/03/09 09:14:30 Unmarshal JSON

    2020/03/09 09:14:30 Loading file: /home/sinan/Desktop/buddha/buddha/scene.json

    2020/03/09 09:14:30 Unmarshal JSON

    2020/03/09 09:14:38 Fixing object Ws

    2020/03/09 09:14:38 Loaded scene in 8.879676 seconds

    2020/03/09 09:14:38 Render 100 percent of the image

    2020/03/09 09:14:38 Set size to 3200x1800

    2020/03/09 09:14:38 Start rendering scene

    2020/03/09 09:14:38 Init scene

    2020/03/09 09:14:38 Flatten Scene Objects

    2020/03/09 09:14:38 Transform object vertices to absolute and build KDTrees

    2020/03/09 09:14:38 Prepare object happy_vrip

    2020/03/09 09:14:38 Local to absolute

    2020/03/09 09:14:39 Unify triangles

    2020/03/09 09:14:40 Loaded object with 1087716 triangles

    2020/03/09 09:14:40 Prepare object Cube.001

    2020/03/09 09:14:40 Local to absolute

    2020/03/09 09:14:40 Unify triangles

    2020/03/09 09:14:40 Loaded object with 12 triangles

    2020/03/09 09:14:40 Prepare object Sphere

    2020/03/09 09:14:40 Local to absolute

    2020/03/09 09:14:40 Unify triangles

    2020/03/09 09:14:40 Loaded object with 960 triangles

    2020/03/09 09:14:40 Prepare object Cube

    2020/03/09 09:14:40 Local to absolute

    2020/03/09 09:14:40 Unify triangles

    2020/03/09 09:14:40 Loaded object with 54 triangles

    2020/03/09 09:14:40 Build KDTree

    2020/03/09 09:15:46 Built 2019287 nodes with 26 max depth, object ready

    2020/03/09 09:15:46 Parse material textures

    2020/03/09 09:15:46 Scanning pixels on view

    5760000 / 5760000 [==========================] 100.00% 4s

    2020/03/09 09:15:51 Done scanning pixels

    2020/03/09 09:15:51 Done init scene

    2020/03/09 09:15:51 Initial rendering: 3200 x 1800

    5760000 / 5760000 [==========================] 100.00% 7m35s

    2020/03/09 09:23:27 Rendered scene in 455.947010 seconds

    2020/03/09 09:23:27 Second pass for antialiasing and image generation

    5760000 / 5760000 [==========================] 100.00% 2m10s