Part 1: https://github.com/bekk/webgl-christmas/blob/master/misc/part1.md
Part 2: https://github.com/bekk/webgl-christmas/blob/master/misc/part2.md
Part 1: https://bekk.github.io/webgl-christmas/index-part1.html
Part 2: https://bekk.github.io/webgl-christmas/index-part2.html
npm install
npm run start1
Open http://localhost:8080
npm run start2
Open http://localhost:8080