raylar

README

raylar render engine

Work in progress :)

install: you need golang to install

go install github.com/sinanislekdemir/raylar

• Raytracing
  • KD-Tree
• Texture support (png, jpeg)
• Ambient Occlusion
• Ambient Color
• Point lights
• Light Objects (and area light)
• Basic Reflections
• Bump Mapping
• Alpha Channel
• Environment Map

Stages of rendering (without Caustics)

Ambient Occlusion Only

Ambient Occlusion with Colors

AO with Colors and Reflections/Refractions

Render with AO + Lights + Colors

Environment Map

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)

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