Term project from Realtime Computer Graphics and Physics Simulation 2110514 (2022/1)

Thanks for helpful free asset

Leaf model and textures : https://www.cgtrader.com/free-3d-models/plant/leaf/dead-leaf

Sand textures : https://3dtextures.me/2020/02/14/sand-005/

Bark textures : https://3dtextures.me/2021/05/05/bark-006-2/

Bamboo textures : https://www.filterforge.com/filters/12411.html

Relavant Paper&Resource

• FTL Hair&Fur https://matthias-research.github.io/pages/publications/FTLHairFur.pdf
• Fluid simulation https://mikeash.com/pyblog/fluid-simulation-for-dummies.html
• Hair style modeling https://davis.wpi.edu/~matt/courses/hair/hrstlmodeling.html
• Python l-system https://github.com/pvigier/lsystem
• Distance function https://iquilezles.org/articles/distfunctions/
• pbrt-v3 https://www.pbrt.org/fileformat-v3

Code Files

• animate.py => Animate fluid simulation from density grid value.
• density.py => Calculate density value for vexel by distance function + AABB.
• grammar.py => l-system parser, see Python l-system.
• pbrtGen.py => Convert position and object into pbrt file sturcture.
• hair.py => Generate hair position (for each particle).
• plot.py => Plot l-system for debugging, see Python l-system.
• tree.py => Create tree, see Python l-system.
• fluid.cpp => Generate density grid.

Report

finalproject_report.pdf (Thai)

Presentation

https://youtu.be/yrDMuLmWuVs (Thai)

Result