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terrain-integration

Analyze terrain slope and generate auto-leveled foundations with pillars in Three.js.

8|3|Updated Dec 12, 2025
Search Tags:#game development#foundation#3D graphics#Three.js#building systems#terrain#Valheim
One-click install
npx skills add https://github.com/Bbeierle12/Skill-MCP-Claude --skill terrain-integration
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: terrain-integration
Source: https://github.com/Bbeierle12/Skill-MCP-Claude/tree/main/skills/terrain-integration
Command: npx skills add https://github.com/Bbeierle12/Skill-MCP-Claude --skill terrain-integration

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires three.js, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Building systems in 3D games often struggle with uneven terrain, leading to floating structures or impossible placements. This Skill provides robust solutions for integrating building mechanics with complex terrain, enabling realistic and intuitive construction experiences.

Core Features & Use Cases

  • Slope Handling & Buildability: Analyzes terrain slope to determine valid placement locations, preventing builds on overly steep surfaces.
  • Foundation Anchoring (Valheim Pattern): Implements ground contact rules for stability, ensuring foundations are properly integrated with the terrain.
  • Auto-Leveling & Pillar Generation: Automatically adjusts foundation height and generates support pillars for uneven ground, similar to ARK, maintaining visual grounding.
  • Terrain Modification: Provides scripts for flattening, raising, or lowering terrain to accommodate structures, giving players more control.
  • Use Case: A game developer is creating a building game and needs to implement a system where players can construct bases on hillsides. This skill provides the TerrainAnalyzer and FoundationPlacer to handle slope checks, auto-leveling, and pillar generation, making building intuitive and realistic.

Quick Start

Implement a TerrainAnalyzer in Three.js to check the slope at a given position and determine if a 4x4 unit foundation can be built there, with a maximum slope tolerance of 30 degrees.

Frequently Asked Questions about terrain-integration

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I handle building placement on uneven terrain in Three.js?▼

Building placement on uneven terrain requires slope analysis and foundation anchoring. This Skill analyzes terrain slope at a given position, determines buildability within a slope tolerance, and generates support pillars or auto-levels foundations to keep structures grounded and stable on hillsides.

Can I build on slopes in a game like Valheim using Three.js?▼

Yes. This Skill implements Valheim-pattern foundation anchoring by checking terrain slope, enforcing ground contact rules, and automatically generating pillars or leveling foundations. It prevents builds on overly steep surfaces while enabling construction on hillsides with proper support.

What's the best way to prevent floating structures on uneven ground?▼

Terrain-anchoring uses slope data and height sampling to ground structures properly. This Skill detects slope viability, adjusts foundation height automatically, generates support pillars for uneven areas, and optionally modifies terrain, eliminating floating builds and maintaining visual stability.

Do I need to flatten terrain to allow building, or can structures adapt?▼

Structures can adapt without flattening. This Skill provides auto-leveling and pillar generation to accommodate uneven ground, or terrain modification scripts if you prefer flattening. Both approaches give players control and intuitive building experiences on complex terrain.

How do slope tolerance and buildability checks work together?▼

Buildability assessment combines slope tolerance thresholds with terrain analysis. This Skill samples height across a foundation footprint, calculates slope angle, compares against your max tolerance (e.g., 30 degrees), and outputs placement recommendations or pillar adjustments to maintain structural viability.

Can I use this for ARK or Rust-style building systems?▼

Yes. This Skill supports Valheim-like, Rust-like, and ARK-like modes. It applies the same terrain analysis, slope checking, and pillar generation across different game styles, adapting foundation rules and auto-leveling behavior to match each mode's building conventions.

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