The Visual Engine

About The Visual Engine – Unity Editor Tool & Plugin

Unity vegetation shader tools

The Visual Engine is a set of shaders and tools for unifying vegetation and prop assets under a shared shader system. It provides controls for wind motion, interaction, local wind, seasons, wetness, dynamic rain, snow, subsurface scattering, layer effects, tinting, vertex occlusion, fading, and detail blending across the Standard Render Pipeline, Universal Render Pipeline, and HD Render Pipeline.

Shader Systems and Workflow

A one-click conversion workflow converts third-party assets into the Visual Engine shader system. Conversion presets use a text-based format with an API, while the modular element system handles motion and interaction, local wind, dynamic seasons, global overlays such as snow, sand, and dust, wetness, tinting, size control, and leaf amount. Material layers allow different materials to respond to individual elements used in a scene.

The package also includes a Material Manager for applying settings to multiple materials or prefabs and for saving and applying presets. The Shader Manager provides support for instanced indirect renderers, while the Scene Debugger can be used to inspect rendering and shader settings.

Modules and Integrations

The Visual Engine supports these modules:

• The Visual Engine • Amplify Impostors Module
• The Visual Engine • Terrain Shaders Module
• The Visual Engine • Terrain Blanket Module
• The Visual Engine • Terrain Elements Module

Supported third-party tools and integrations are:

• Amplify Shader Editor - Full shader editing support
• Foliage Renderer - Procedural Instancing support
• Nature Renderer - Procedural Instancing support
• GPU Instancer - Instanced Indirect support
• Flora 2.0 - Procedural Instancing support
• Vegetation Studio Pro - Instanced Indirect support
• Mega World Quadro Renderer - Procedural Instancing support
• Vladislav Tsurikov Instant Renderer - Procedural Instancing support
• DE Environment - Conversion for DE Environment
• Magio - Interactive Effect Engine support
• Ignis - Interactive Fire System support
• Game Creator - Actions for TVE control
• Game Creator 2 - Actions for TVE control
• Enviro - Enviro to TVE control

Vegetation Compatibility

The system supports vegetation created with Speedtree, Broccoli Tree Creator, Unity Tree Creator, CTI, TreeIt, and MTree. It also supports user-configured or automatically configured assets, Quixel Megascans vegetation assets, Synty Studios Biomes Nature Packs, and Nature Manufacture vegetation assets.

For rendering, the supported pipelines are Standard Render Pipeline 2022.3+, Universal Render Pipeline 2022.3 / 6.0 - 6.6, and HD Render Pipeline 2022.3 / 6.0 - 6.6. The shaders are intended for instancing, while static batching support is limited.

Use Cases

• Vegetation-heavy environments where trees, grass, and other vegetation need shared wind, seasonal, wetness, tinting, or interaction effects.
• Projects combining vegetation from different asset sources and requiring a common shader workflow across those assets.
• Environment projects using supported instanced rendering tools where shader-based vegetation effects need to remain configurable across materials.

Important Limitations

• The Visual Engine is not a vegetation placement tool; it is intended for vegetation unification and detailing.
• The shaders are not designed for mobile development.
• Scalable Ambient Obscurance is not supported in Forward Rendering.
• Billboard Renderers from Speedtree7, Tree Creators, and CTI are not supported, and Speedtree7 billboard faces are not supported.
• Billboard shaders for VSP and GPUI do not work with the Visual Engine features.
• HDRP ray tracing and path tracing are not fully supported.
• Only the latest LTS Unity versions are officially supported.

Conversion does not produce a one-to-one recreation of the original assets. Lighting, colors, features, and wind animation can differ after conversion, and material adjustments may be required.

Download The Visual Engine from Ultimate Game Assets for your Unity project.

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