Terrain-native setup
Turn living and excluded TerrainLayers into a deterministic field through one guided renderer workflow.
kiwi studios for unity
coming soonDense, responsive terrain grass for Unity 6 URP
Build one-to-four-species fields from Unity TerrainLayers, shape them with artist controls, add collider-driven interaction, and scale presentation through shared runtime quality levels—without placing a GameObject on every blade.
Release 26.8.0 · final Asset Store submission checks in progress
- Unity6000.0+
- PipelineURP
- Field1–4 species
- Runtime records24 bytes
- RenderingGPU indirect
- Measured loop0 B steady managed allocation*
*Configuration-specific grass render-loop sweeps. This does not mean the entire product or frame allocates zero bytes.
one connected field workflow
A complete field workflow, not just a grass shader
Kiwi Grass connects TerrainLayer-driven placement, deterministic field generation, artist-authored masks, local influence volumes, interaction, quality scaling, persistent data, diagnostics, and reproducible performance capture in one URP package.
One to four species
Compose stable-ID species inside one shared blade budget instead of duplicating complete fields.
Artist control
Paint density, height, dryness, and wind response, with bounded updates for changed regions.
Responsive interaction
Bend, flatten, sweep, hold, and recover grass from collider-driven sources.
Scalable presentation
Use four geometry tiers, layered wind, motion vectors, shadows, and High, Medium, Low, and Off runtime levels.
Production evidence
Inspect blade, chunk, command, memory, culling, and capture data with built-in diagnostics and fixed-camera tools.
guided authoring
From Terrain to a moving field
- 01
Choose TerrainLayers
Assign grass-bearing and excluded surfaces.
- 02
Apply a verified setup
Start with Current Look or the heavier Cinematic presentation.
- 03
Shape the field
Paint the control map, add local volumes, or compose multiple species.
- 04
Add interaction
Attach stomp sources to moving collider objects.
- 05
Measure and ship
Select a runtime quality level, inspect diagnostics, and capture the target Player.
four geometry tiers
Near silhouette. Coherent distance coverage.
Four geometry tiers preserve close blade shape while transitioning into stable mid and far coverage. Desktop Automatic Hi-Z activates only on supported, stable, profitable views and otherwise falls back to the normal renderer.
configuration-specific reference evidence
Measured in Development Players
Kiwi Grass reports whole-frame timing separately from grass cull and command preparation, buffer upload, indirect submission, visible work, GPU memory, and steady managed allocation. The values below are controlled references, not universal FPS or hardware-support claims.
Final moved-sample rerun pending.
The current 300 m and 1000 m references predate the package-safe sample move. They remain methodology evidence until the final Development Player rerun is complete.
windows referenceVulkan · RTX 2080 Ti
- Generated blades
- 35,557,827
- Visible blades
- 1,335,777
- Whole-frame CPU mean
- 6.0587 ms
- Whole-frame GPU mean
- 5.9741 ms
- Grass cull/command mean
- 0.1201 ms
- Steady managed allocation
- 0 B*
Windows 11 build 26200 · Unity 6000.4.0f1 · URP 17.4.0 · 1920 × 1080 · NVIDIA driver 610.47
metal referenceApple silicon · Metal
- Visible blades
- 505,113
- Visible chunks
- 64
- Indirect commands
- 78
- Whole-frame CPU mean
- 4.8969 ms
- Whole-frame GPU mean
- 5.4708 ms
- Steady managed allocation
- 0 B*
Unity 6000.4.0f1 · URP 17.4.0 · 1920 × 1080 · GrassDemo300
*Measured inside the configuration-specific grass render loop. Player performance was measured on Unity 6000.4. The wider Unity 6000.0+ matrix validates package resolution, compilation, shader import, release checks, and EditMode behavior on the named editors.
See benchmark methodology
sample and documentation
Learn it from a working field
The Cinematic Grass Showcase combines Quick Setup, a two-species meadow, runtime TerrainLayer painting, collider interaction, quality switching, and performance inspection in one self-contained sample.
- Playable 128 m authored showcase
- Package-safe 300 m and 1000 m benchmark scenes
- Setup, authoring, optimization, API, upgrade, and troubleshooting docs
ship against an explicit boundary
Requirements and current limitations
Requirements
- Unity 6000.0 or newer
- Universal Render Pipeline and Core RP bundled with the supported Unity 6 editor
- Compute-shader and indirect-rendering support
- URP Forward and Forward+ package shader paths
Current limitations
- HDRP and the Built-in Render Pipeline are unsupported.
- Mobile devices and unmeasured graphics APIs are not advertised.
- Persistent bakes require identity Terrain rotation and unit Terrain scale.
- Automatic Hi-Z is unavailable on pre-6000.3 editors and uses the normal renderer there.
common questions
Before you build the field
Does Kiwi Grass work with HDRP or Built-in?
No. Release 26.8.0 is for Unity 6 URP.
Does it create a GameObject for every blade?
No. Kiwi Grass builds packed field data and submits grouped indirect draws.
Can I use multiple grass types?
Yes. A field can combine up to four stable-ID species within one shared blade budget.
Can grass react to a player or vehicle?
Yes. Collider-driven sources can bend, flatten, sweep, hold, and release grass into recovery.
Can artists paint where grass grows?
Yes. TerrainLayers define broad eligibility, and project-owned control maps provide density, height, dryness, and wind-response painting.
Can I avoid generating the field at startup?
Kiwi Grass supports project-owned persistent bakes. They require zero Terrain rotation and unit scale.
Is the benchmark an FPS guarantee?
No. It is a controlled Development Player reference with disclosed hardware, Unity, URP, API, resolution, camera, and workload.
Where do I get support?
Email support@kiwistudios.co or join the Kiwi Studios Discord.
kiwi grass 26.8.0
Build the field. Keep control of the budget.
Kiwi Grass brings terrain-aware placement, responsive presentation, measured diagnostics, and production-focused documentation into one Unity 6 URP workflow.