Building an Architectural Walkthrough Using Unity

"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"