Update README.md

Update README.md

Add screenshots

Create README.md

update README.md

add final text scene and update README.md

add final text scene

load floor particles from file

update text grains file

read grains from point file

cleanup gui params

add funnel scene

remove edge collision logic

implement mesh collisions

handle NaNs

solve constraints in parallel with tbb

implement spatial hashing and add tbb to build

create floor with particles

fix constraint solving

generate collision pairs

move grains with ext forces

init grains

update README

remove debug prints

update velocity

transpose rot matrix while converting from eigen to glm

read rotation data for scene 3

fix rotation matrix init

store edges in rb

add rotation to rb constructor