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Building an Architectural Walkthrough Using Unity [Video]

Stefan Boeykens

Walk around in your own architectural design with the Unity Game Authoring system
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Video Details

ISBN 139781783559909
Course Length2 hours and 51 minutes

About This Video

  • Enliven static images and technical drawings with an interactive Unity app
  • Walk around freely, climb stairs, open doors…explore!
  • This is a practical and useful tutorial covering exactly what you need to know to use architectural design in your own projects


Who This Video Is For

This video course is meant for architects, designers, engineers, students, or in a nutshell, anyone interested in developing interactive environments with Unity. A quick brush up on the basics of Unity and you will be ready to go.

Table of Contents

Importing Architectural Models in Unity
Introduction and Workflow Overview
From SketchUp to Unity
From ArchiCAD to Unity (Step 1)
From ArchiCAD to Unity (Step 2)
Updating Models
Improving Performance
Navigating an Architectural Model
Adding a First-person Controller
Preventing Running through Walls
Adding a Third-person Controller
Loading a Different 3D Character
Adding a Mini-map
Improving Materials with Shaders and Textures
Textured Materials with Bump and Specular Mapping
Using a CubeMap for Sky and Clouds
Using a Better Glass Shader
Procedural Materials Using Substances
Cutout Textures Using Alpha Maps
Adding Lights and Shadows
Lighting Types
Adding a Sun with Shadows
Interior Lights Using Point and Spot Lights
Lightmapping (Preparation)
Lightmapping (Calculation)
Animating Objects and Lighting
Understanding Animation in Unity
Creating a Rotating Cube
Keyframing an Opening Door
Opening and Moving an Elevator
Setting Up a SunStudy Animation
Scripting to Add Interactivity
Creating Your First Script
Editing a Script in Monodevelop
Triggering the Rotation of GameObject
Switching a Material with a Script
Adding a GUI to the Material Switcher
Expanding the Scripts
Hiding and Showing Objects
Switching between Cameras
Resetting the Player
Picking Objects
Displaying Object Information
Presenting the Final Walkthrough
Bringing Everything Together – The Build Settings
Building the Result and Play
Building for other Platforms – Example iOS
Compiling and Running the iOS App
Adding a Mobile Controller
Some Final Refinements

What You Will Learn

  • Export CAD and BIM models into a format that Unity can use
  • Optimize the geometry and import settings for clean and reliable results
  • Adjust the materials to add bump maps and transparent or reflective effects
  • Add a Sun light with shadows and ensure even lighting
  • Improve interior lighting with additional lights
  • Bake the lighting onto the model with Lightmapping
  • Add a character to freely walk around your model
  • Use animations to apply interactive features such as opening doors
  • Build a complete standalone application that can be shared online
  • Gain control over your model with Unity scripts

In Detail

Translating CAD or BIM models into a real-time application can seem a tiresome ordeal. Luckily, Unity is very accessible for architects with some 3D experience and it makes importing and presenting models a fun task to do. Architectural visualization through Unity will help you analyze designs and make related decisions even before the actual building is built.

Starting from 3D models in common architectural software, we will discuss the workflow to load the models into Unity and even incorporate model changes. The building model will be refined, with better materials and lighting, so it looks attractive to the visitor. With a few basic scripts, we add the necessary interactivity and finally export it into an application you can share.

This video tutorial shows an efficient and easy approach to apply an architectural 3D model into your project for quick and reliable results.



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