AAA‑Grade Mountain Terrain (4K Heightmaps & RGBA Splatmaps)
Codeloom
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4K AAA mountain heightmaps with matching splatmaps for quick, realistic terrain creation.supports Unity 2020.3 LTS and above, including:• Unity 2020 LTS• Unity 2021 LTS• Unity 2022 LTS• Unity 2023• Unity 6000 / modern releasesUnity Asset Store may automatically display the version used to upload the package (e.g., Unity 2022), but this does NOT limit the minimum Unity version for actual use.🏔️ AAA‑Grade Mountain Terrain PackHigh‑Precision Heightmaps + Fast Splatmap ShadingAll showcase images are real in‑engine scenes.✅ What You GetHigh‑precision terrain data with strong, believable large‑scale mountain silhouettes.10+ AAA 4K Mountain HeightmapsDesigned for fast shading and clean material breakup.10+ Matching RGBA SplatmapsPre‑authored surface distribution maps aligned to each heightmap.Each heightmap is paired with its own splatmaps, forming a complete terrain dataset.📦 Package Contents & Technical ScopeThis package contains art data only.Included content:High‑resolution heightmapsRGBA splatmaps (control maps for terrain texture blending)No scripts, editor tools, or runtime systems are included in this asset.The splatmaps follow Unity’s standard RGBA channel distribution format and are designed for use with the built‑in Terrain system.🎨 Workflow RequirementsApplying RGBA splatmaps requires basic familiarity with:Unity Terrain layer setupControl texture (splatmap) assignmentChannel‑based texture blendingUsers should have a foundational understanding of terrain texturing workflows for best results.🏔 Heightmaps as Standalone AssetsThe included heightmaps are fully developed, high‑quality terrain assets designed to function independently.They can be used on their own within Unity’s built‑in Terrain system and support:Custom terrain layer setupsManual painting workflowsThird‑party shader systemsAny user‑defined texturing approachThe heightmaps are not dependent on the included splatmaps.🎨 About the Included SplatmapsThe provided RGBA splatmaps are adapted to match the terrain shapes and are included as an additional workflow resource.They are intended to:Provide a structured starting point for terrain texturingDemonstrate suggested material distributionAccelerate production setupHowever, they are optional.Users are free to:Ignore the splatmaps entirelyCreate their own texture distributionApply any custom shading solutionThe terrain data is not restricted or limited by the included splatmaps.🔌 Optional Plugin Preset SupportFor users who already own compatible third‑party terrain editor plugins, optional preset data is available to streamline setup and improve workflow efficiency.Currently supported:Atlas – Terrain Editor (plugin not included)These presets are designed to simplify terrain layer configuration and splatmap assignment within those tools.Important:The third‑party plugins are not included in this package.Ownership of any plugin is not required to use this asset.All heightmaps and splatmaps remain fully usable with Unity’s built‑in Terrain system alone.Optional preset downloads are available via the official GitHub repository: https://github.com/unityCodeloom/unityThe GitHub content provides workflow convenience only and does not contain required functionality.🧩 Splatmap Channel StructureThis pack uses a two‑splatmap RGBA setup (6 active layers).Recommended layer order:RockSlope RockGrass 1Grass 2Flow / ErosionStone / DebrisYou may follow this structure directly or remap channels depending on your terrain system.The layer layout is designed to maintain clean large‑scale readability while preserving natural surface variation.🌄 Artistic Control & AtmosphereThe terrain’s overall mood is primarily driven by two key elements:Define biome tone, softness, and overall color balance.Grass Layers (Grass 1 / Grass 2)Defines the structural character and visual weight of steep mountain faces.Slope Rock LayerBy adjusting these layers alone, the terrain can shift dramatically —from lush and inviting to rugged and dramatic —without altering the underlying heightmap.All demo images are real in‑engine scenes, not renders or paintovers.The terrain provides the structural foundation.Final atmosphere depends on your materials, vegetation, lighting, and rendering setup.4K resolution heightmaps (4096×4096)Matching splatmaps included for each heightmapNatural and realistic mountain formationsDelivered in lossless formats for clean editingReady to use with Unity TerrainCompatible with Gaia, MapMagic, World Creator, Gaea, and moreIdeal for open‑world environments and natural landscapesFully customizable: scale, smooth, erode, or blendSplatmaps can be remapped to any terrain layer setupConsistent style across all maps, suitable for large‑scale worlds




