Fixed automatic closing when out of focus. GPU based validation has some weird behavior though

Merge branch 'master' of https://github.com/ACskyline/Wave-Particles-with-Interactive-Vortices

all debug layer error fixed

Merge pull request #2 from ACskyline/add-license-1

Create LICENSE

code clean up & debug layer error fix

Add files via upload

Update README.md

looks like some one who presented before us did not free memory

Update README.md

ready for demo

a new start

smaller gif

smaller gif

brigter sky