Work is licensed under the GNU GPL-3.0, unless otherwise noted
Most code by Doug Reeder
Simplex 3D noise by Ian McEwan, Ashima Arts
Gosper curve implementation by Jos Dirksen in "Learn Three.js"
Biplanar texture mapping by Inigo Quilez - https://iquilezles.org/articles/biplanar/
requestIdleCallback shim Copyright 2015 Google Inc.
Stabbur (https://sketchfab.com/models/d13301cc019345589af8a415feebc985) by "Shorty5600" (https://sketchfab.com/Shorty5600) is licensed under Creative Commons Attribution
Bucket With Fairies (https://sketchfab.com/models/99c4ec82b5d948a6be139e99acd57d28) by "7718" (https://sketchfab.com/7718) is licensed under Creative Commons Attribution
Hermit's Windmill (https://sketchfab.com/models/f7f354caaf50408fa3f3525eec716d7b) by "doop" (https://sketchfab.com/doop) is licensed under Creative Commons Attribution
Tower Crane (https://sketchfab.com/3d-models/tower-crane-49851dc7a51b43bda6aea06856c26a85#download) by "Chamod1999" (https://sketchfab.com/Chamodp) is licensed under Creative Commons Attribution
konoha tengu (https://sketchfab.com/3d-models/konoha-tengu-low-poly-realtime-character-892bfcdaba3d4a1899214f92ef5e9a63) is copyrighted by Manoel Darocha Deoliveira
Nimbostratus_Cloud_PNG_Clipart-875.png is in the public domain
TexturesCom_Trees0096_masked_S is in the public domain
TexturesCom_MetalVarious0052_1_M is in the public domain
"Minimalist" from SelectCam Buddha Machine is by Olaf Post
"Swell2" from SelectCam Buddha Machine is by Randolph Johnson & P. Douglas Reeder
"Worlds" (https://soundcloud.com/gabebaker88/worlds) by Gabriel Baker (https://soundcloud.com/gabebaker88) is licensed under Creative Commons Attribution
"ding" (https://freesound.org/people/Daronoxus/sounds/393633/) by Daronoxus (https://freesound.org/people/Daronoxus/) has been released to the public domain.
opening fanfare to Strauss' First Horn Concerto in E-flat (https://freesound.org/people/TaranP/sounds/361684/) recorded by "TaranP" (https://freesound.org/people/TaranP/) is licensed under Creative Commons Attribution.
"Off stage crash" (https://freesound.org/people/bone666138/sounds/198876/) by "bone666138" (https://freesound.org/people/bone666138/) is licensed under Creative Commons Attribution.
"Light Rain in Forest" (https://freesound.org/people/jakobthiesen/sounds/100495/) by Jakob Thiesen (https://freesound.org/people/jakobthiesen/) is licensed under Creative Commons Attribution.
GNU GPL-3.0: https://www.gnu.org/licenses/gpl-3.0.en.html
Creative Commons Attribution: https://creativecommons.org/licenses/by/4.0/