Added all project files

index.html

models/tree.obj

script.js

tutorial_data/pictures/chapter_results/chapter_2.png

tutorial_data/pictures/chapter_results/chapter_3.png

tutorial_data/pictures/chapter_results/chapter_4.png

tutorial_data/pictures/chapter_results/chapter_5.png

tutorial_data/pictures/chapter_results/chapter_6.png

tutorial_data/pictures/chapter_results/chapter_7.png

tutorial_data/pictures/emojis/emoji_1.png

tutorial_data/pictures/emojis/emoji_2.png

tutorial_data/pictures/emojis/emoji_3.png

tutorial_data/pictures/emojis/emoji_4.png

tutorial_data/pictures/references/light_shaft.png

tutorial_data/pictures/references/projection_vs_uv.png

tutorial_data/scripts/script_2.js

tutorial_data/scripts/script_3.js

tutorial_data/scripts/script_4.js

tutorial_data/scripts/script_5.js

tutorial_data/scripts/script_6.js