Credits

Aura stands on the generosity of open-source makers. Thank you.

Code and libraries

Code and libraries
Name	Author	License	Used for
Astro	The Astro Technology Company	MIT	Pages, routing, and the transitions between them.
React for Astro	The Astro Technology Company	MIT	Mounting React islands inside Astro pages.
React	Meta	MIT	Interactive islands, including the room builder.
React DOM	Meta	MIT	Placing those islands in the document.
three.js	mrdoob and contributors	MIT	The room builder, the shared meadow stage, the Preetham sky, the grounded skybox, the model loaders, bevelled edges on the polycarbonate unit, and the transmitted water on the tub.
glTF-Transform	Don McCurdy	MIT	Dedup, weld, Meshopt, KTX2, and the LOD files.
Draco	Google	Apache License 2.0	Decodes Draco geometry in the browser.
Basis Universal	Binomial LLC	Apache License 2.0	Transcodes KTX2 textures in the browser.
meshoptimizer	Arseny Kapoulkine	MIT	Decodes Meshopt geometry, and builds the simpler LOD meshes.
KTX-Software	The Khronos Group	Apache License 2.0	Encodes KTX2 textures while the assets are built.
React Three Fiber	Poimandres	MIT	A React renderer for the builder scene.
Drei	Poimandres	MIT	Staging helpers in the builder: lights, shadows, and models.
React Postprocessing	Poimandres	MIT	Bloom, vignette, and grain on the builder.
postprocessing	Poimandres	Zlib	Bloom, AgX tone mapping, SMAA, vignette, and grain on the meadow views.
EZ-Tree	Derek Greenheck	MIT	Generates the pine, spruce, and aspen variants for the golden meadow. They are baked to GLB before the site runs.
InstancedMesh2	Andrea Gargaro	MIT	Scatters the meadow trees, with a nearer mesh, a mid mesh, and a far mesh.
Octahedral impostors	Andrea Gargaro	MIT	Tree cards past 60 metres. The atlas follows the hemi-octahedral layout from that repository.
three-good-godrays	Ameobea	Zlib	God rays through the tree line on the high and ultra meadow tiers.
detect-gpu	Tim van Scherpenzeel	MIT	Choosing a quality tier for the meadow stage from the GPU.
n8ao	N8python	CC0 / ISC	Ambient occlusion on the polycarbonate unit and the tub.
GSAP	GreenSock	Standard "no charge" license	Menu, page, and camera motion, and the slow heat behind a heading.
Lenis	darkroom.engineering	MIT	Smooth scrolling on the inner pages.
Tailwind CSS	Tailwind Labs	MIT	Utility styles compiled into the site.
Aura Homes v1 landing scene	Matt Aurora Ventures / KR8TIV AI	MIT	The hill fly-over: terrain, grass, mountains, forest, and the camera spline, shared by the meadow passages and Build Your Own.
Aura Homes builder	Matt Aurora Ventures / KR8TIV AI	MIT	The room builder: the home spec, the geometry, the fixtures, and the share link on Build Your Own.

3D models

3D models
Name	Author	License	Used for
Pine Trees	Quaternius	CC0 1.0	The spruce stands on the low meadow tier, and in the builder fly-over.
Meadow pines, spruce, and aspen	Aura Homes, generated with EZ-Tree	MIT	Six tree variants in the golden meadow, and on the dusk, slope, and snow passages. Pine, spruce, and aspen, each in two shapes, with two simpler levels of detail.
Rocks	Quaternius	CC0 1.0	Stones in the meadow.
Lantern	Kay Lousberg	CC0 1.0	Garden lanterns along the fly-over. From the Halloween Bits pack.
Pine Tree	Danni Bittman	CC-BY 3.0	The teal pine in the fly-over. "Pine Tree" by Danni Bittman, via Poly Pizza.
Cabin	Poly by Google	CC-BY 3.0	A log cabin kept with the builder model set. "Cabin" by Poly by Google, via Poly Pizza.
Campfire	Poly by Google	CC-BY 3.0	A campfire kept with the builder model set. "Campfire" by Poly by Google, via Poly Pizza.
Aura sanctuary	Matt Aurora Ventures / KR8TIV AI	MIT	An earlier room interior kept with the model files.
snakey-locomotion grass blade	Murat Kamci	MIT	The shape and wind of a single grass blade.
Barrel Stove	MP	CC0	The wood stove set into the cedar tub, half in the water.
Stone Fire Pit	Sebastian Platen	CC0	A ring of stones for a fire.
Wooden Bucket 01	James Ray Cock	CC0	A wooden bucket.
Fern 02	Rob Tuytel and Rico Cilliers	CC0	Ferns beside the meadow unit.
Rock Moss Set 01	Kless Gyzen	CC0	A mossy stone beside the meadow unit.
Tree Stump 01	Rob Tuytel	CC0	A cut stump beside the meadow unit.
Pine Sapling Medium	Rob Tuytel and Rico Cilliers	CC0	A young pine.
Dandelion 01	Rob Tuytel and Rico Cilliers	CC0	Dandelions beside the meadow unit.

Textures and HDRIs

Textures and HDRIs
Name	Author	License	Used for
Meadow atlas	Aura Homes	Aura Homes, original	Baked meadow cards for the fly-over, so the first paint is not waiting on every blade.
Fine Grained Wood	Rob Tuytel	CC0	Cedar grain on the unit step, the tub staves, the rim, and a warmer tint on the oak floor.
Weathered Brown Planks	Dimitrios Savva and Rico Cilliers	CC0	Weathered boards on the tub deck and on the deck over the helical piles.
Metal Plate	Rob Tuytel	CC0	Blackened steel for the unit skid and frame, the bands on the tub, and the helical piles on the slope.
Forest Ground 01	Rob Tuytel	CC0	Forest floor under the golden meadow grass, blended with the mud.
Brown Mud Leaves 01	Rob Tuytel	CC0	Mud and leaf litter on the meadow slopes, blended with the forest floor.
Rocky Terrain 02	Amal Kumar	CC0	The rocky ground under the helical piles, and a low-contrast multiply on the mid ridges.
Bark Brown 02	Rob Tuytel	CC0	Bark on the low-tier pine trunks when the grove does not load.
Alps Field	Andreas Mischok	CC0	The distant ridge behind the meadow mountains, alpine light on the slope, and the sky dome on the slope passage. The slope passage pins the 1k map. The meadow uses the 2k still as a blurred band.
Evening Meadow	Alexander Scholten	CC0	Golden-hour light for the grass passage, pinned at 1k so the sun stays put.
Qwantani Dusk 2 (Pure Sky)	Greg Zaal and Jarod Guest	CC0	Dusk light for the tub, the sky dome behind the tub, and the dusk sky on the far passage. The far passage pins the 1k map and eases into the night. 2k if another sky is visible.
Kloofendal 48d Partly Cloudy (Pure Sky)	Greg Zaal and Jarod Guest	CC0	Sky and cloud reflections in the polycarbonate, and the sky dome behind the glass passage. The glass passage pins the 1k map.
Rogland Clear Night	Greg Zaal	CC0	The night sky on the far passage, pinned at 1k. 2k if another night sky is visible.
Snowy Field	Andreas Mischok	CC0	Daylight on the snow passage, and the sky dome behind it, pinned at 1k.
Snow 02	Rob Tuytel	CC0	The snowy ground on the resort passage, and a light multiply on the far snow range.
Grass004	Lennart Demes	CC0	Meadow sward blended into the forest floor where the grass is dense.
Ground037	Lennart Demes	CC0	Bare earth blended into the rocky slope and the muddy parts of the meadow.
Paper003	Lennart Demes	CC0	A faint paper grain behind inner-page text, and the linen weave on the sofa.
three.js water and cloud textures	mrdoob and contributors	MIT	Two scrolling water normals on the tub, the tiling noise in the steam, and the soft flakes of falling snow.

Techniques and inspiration

Techniques and inspiration
Name	Author	License	Used for
Trimming my Grass Shader	Aleksandar Gjoreski	Referenced technique	Thinning grass by distance, and seeding variation from world position.
Height and distance fog	Simon Dev	MIT	Valley fog on the golden meadow and the open passages. Thicker low down, thinner up the slope, warm toward the sun.
Ultimate Lens Flare	Anderson Mancini	CC0	A small warm flare on the sun, high tier only. The halo uses that shader falloff.
Creating the Effect of Transparent Glass and Plastic in Three.js	Codrops	Referenced technique	Transmission, thickness, and a faint roughness shift on the polycarbonate panes.
How to Make The Fluffiest Grass With Three.js	Codrops	Referenced technique	A soft, dense meadow, and darkening the ground where the grass grows thick.
FakeGlowMaterial	Anderson Mancini	MIT	The soft glow on the stove door.
THREE.Fire	mattatz	MIT	The flame seen through the stove door on the high tier.
webgl-noise	Ian McEwan, Ashima Arts, and Stefan Gustavson	MIT	Simplex curl that drifts the steam as it rises, the falling snow, and the slow heat shimmer behind headings.
threejs-caustics	Martin Renou	BSD-3-Clause	The looping caustic pattern on the tub floor.
realistic-webgl-smoke	zlollo	MIT	The thin, fast wisps along the water.
Soft particles	mrdoob and contributors	MIT	Fading the steam where it meets the tub, and the falling snow where it meets the ground.
kage	MengTo	Motion reference	A reference for calm, slow motion.

Fonts

Fonts
Name	Author	License	Used for
Cinzel	Natanael Gama	SIL Open Font License 1.1	Display type and the wordmark.
Inter	Rasmus Andersson	SIL Open Font License 1.1	Body text.