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Unity: Design & Build Procedural Hex Maps

EDUCBA via Coursera

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Details

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Provider

Coursera
Pricing

Paid Course
Languages

English
Certificate

Certificate Available
Effort

11 hours 54 minutes
Sessions

Self-Paced
Level

Advanced
Subtitles

English

Found in

Part of

Advanced Unity Projects: RPG, Level Design & VFX

Overview

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Master the design and construction of procedural hexagonal maps in Unity through a structured, mastery-based learning experience. This advanced course guides you from building pointy-top hex grids and coordinate systems to creating visually rich, interactive terrain using procedural generation techniques. You'll construct scalable hex grids, generate mesh geometry through triangulation, implement cube and offset coordinate systems, and debug cell positioning with practical tools. As you progress, you'll enhance your maps using surface shaders, vertex color blending, canvas-based interfaces, elevation systems, interpolation techniques, and slope classification for realistic terrain transitions. The course concludes with advanced procedural refinement using Perlin noise, vertex perturbation, reusable mesh structures, neighbor-based logic, and advanced triangulation methods. Designed for intermediate-to-advanced Unity developers, this course combines theory with hands-on implementation to help you build modular, reusable, and performance-conscious hex map systems. Each module builds on the previous one, enabling you to progressively analyze, apply, and refine procedural terrain generation techniques. Whether you're creating maps for games, simulations, or strategy environments, this course provides a practical framework for developing dynamic hexagonal terrain systems while strengthening your expertise in Unity procedural generation and mesh construction.

Syllabus

Introduction to Hexagonal Grid Mapping

This module introduces the foundational principles of creating and managing hexagonal maps in Unity. Learners will explore the theory and implementation of pointy-top hex grids, including their geometry, layout logic, and coordinate systems. The module also covers the setup of reusable structures using arrays and user interface components for interaction with the hex grid. By the end of the module, learners will be equipped to construct and visualize a scalable hexagonal grid within Unity’s 3D environment.

Mesh Construction and Coordinate Systems

This module focuses on the core implementation of hexagonal mesh rendering and coordinate mapping within Unity. Learners will explore how to construct mesh geometry through triangulation, apply coordinate logic for accurate placement, and visualize cell data using coordinate systems and in-editor tools. By the end of this module, learners will understand how to programmatically generate, align, and debug hex tiles for a dynamic and interactive grid environment.

Visual Styling and Color Blending

This module guides learners through the process of enhancing the visual appearance of hexagonal maps in Unity. It introduces the use of Unity's surface shaders, explores color assignment and blending techniques, and establishes a structured method for defining directions and metrics within a hex grid. Through practical implementation, learners will develop skills in applying vertex-based coloring, constructing user-friendly UI for color selection, and defining the geometric logic required for seamless visual transitions between cells.

Canvas Integration and Elevation Handling

This module focuses on enhancing interactivity and realism in a hexagonal grid system by integrating UI elements and elevation-based rendering. Learners will implement canvas-based user interfaces for color manipulation and visual feedback, extend mesh rendering with per-vertex color assignments, and introduce elevation to create dynamic terrain. The module also explores shading techniques and the fundamentals of representing height through geometric transformation.

Metrics, Interpolation, and Slope Cases

This module focuses on advanced logic and geometry for handling elevation transitions in a hexagonal terrain system. Learners will define and apply elevation properties to individual cells, develop interpolation techniques for color blending based on terrain height, and implement slope classification using the HexEdgeType system. Through structured coding practices and visual debugging, learners will build responsive terrain meshes that adapt dynamically to changes in height and edge behavior.

Noise, Perturbation, and Advanced Mesh Control

This module introduces procedural refinement techniques to enhance the visual realism of hexagonal maps. Learners will integrate Perlin noise to generate natural elevation variation, apply vertex perturbation to eliminate rigid grid patterns, and define control parameters to fine-tune terrain features. Structuring of reusable vertex data and methods for custom triangulation logic are covered, along with neighbor management and unperturbed debugging techniques to maintain control and clarity during development.