- Unity 4.x Cookbook
- Table of Contents
- Unity 4.x Cookbook
- Credits
- About the Authors
- About the Reviewers
- www.PacktPub.com
- Preface
- 1. Getting Started with Unity 4.x
- Introduction
- Installing Unity 4.x
- Setting your preferences
- Understanding and optimizing the User Interface
- Saving assets created in Unity as Prefabs
- Discovering Unity's content
- Importing your own content
- Importing Unity packages into your project
- Importing custom packages into your project
- Exporting custom packages from your project
- Adding custom packages to Unity's quick list
- Using the Project browser
- 2. Using Cameras
- 3. Creating Maps and Materials
- Introduction
- Creating a reflective material
- Creating a self-illuminated material
- Creating specular texture maps
- Creating transparency texture maps
- Using cookie textures to simulate a cloudy outdoor
- Creating a color selection dialog
- Combining textures in real time through the GUI
- Highlighting materials at mouse over
- Animating textures by looping through array of materials (for example, simulated video)
- Disabling culling for a material
- 4. Creating GUIs
- Introduction
- Displaying a digital clock
- Displaying an analogue clock
- Displaying a compass to show player direction
- Displaying a radar to indicate relative locations of objects
- Displaying images for corresponding integers
- Displaying images for corresponding floats and ranges
- Displaying a digital countdown timer
- Displaying a countdown timer graphically (5, 4, 3, 2, 1 – blast off)
- Displaying a countdown timer graphically as a pie-chart style clock
- Creating a message that fades away
- Displaying inventory texts for single object pickups
- Displaying inventory icons for single object pickups
- Managing inventories with a general purpose PickUp class
- Controlling the scrollbar with the mouse wheel
- Implementing custom mouse cursor icons
- 5. Controlling Animations
- Introduction
- Configuring a character's Avatar and Idle animation
- Moving your character with Root Motion and Blend Trees
- Mixing animations with Layers and Masks
- Overriding Root Motion via script
- Adding rigid props to animated characters
- Making an animated character throw an object
- Applying ragdoll physics to a character
- Rotating the character's torso to aim
- 6. Playing and Manipulating Sounds
- 7. Working with External Resource Files and Devices
- Introduction
- Loading external resource files – by Unity Default Resources
- Loading external resource files – by manually storing files in Unity's Resources folder
- Loading external resource files – by downloading files from the Internet
- Saving and loading player data – using static properties
- Saving and loading player data – using PlayerPrefs
- Saving screenshots from the game
- Control characters in Unity with the Microsoft Kinect using the Zigfu samples
- Animating your own characters with the Microsoft Kinect controller
- Homemade mocap by storing movements from the Microsoft Kinect controller
- Setting up a leaderboard using PHP/MySQL
- 8. Working with External Text Files and XML Data
- Introduction
- Loading external text files using the TextAsset public variable
- Loading external text files using C# file streams
- Saving external text files with C# file streams
- Loading and parsing external XML files
- Creating XML text data manually using XMLWriter
- Creating XML text data automatically through serialization
- Creating XML text files – saving XML directly to text files with XMLDocument.Save()
- 9. Managing Object States and Controlling Their Movements
- Introduction
- Controlling cube movement through player controls
- Controlling object look-at behavior
- Controlling object-to-object movements (seek, flee, follow at a distance)
- Controlling object group movement through flocking
- Firing objects by instantiation with forward velocity
- Finding a random spawn point
- Finding the nearest spawn point
- Following waypoints in a sequence
- Managing object behavior with states
- Managing complex object behavior with the state pattern
- 10. Improving Games with Extra Features and Optimization
- Introduction
- Pausing the game
- Implementing slow motion
- Implementing 3D stereography with polarized projection
- Preventing your game from running on unknown servers
- Identifying performance "bottlenecks" with code profiling
- Reducing the number of objects by destroying objects at a "death" time
- Reducing the number of enabled objects by disabling objects whenever possible
- Improving efficiency with delegates and events (and avoiding SendMessage!)
- Executing methods regularly but independent of frame rate with coroutines
- Spreading long computations over several frames with coroutines
- Caching, rather than component lookups and "reflection" over objects
- 11. Taking Advantage of Unity Pro
- Index
Once you have created your level's geometry, and the scene is looking just the way you want it to, you might want your sound effects to correspond to that look. Sound behaves differently depending on the environment it is projected, so it can be a good idea to make it reverberate accordingly. In this recipe, we will address this acoustic effect by using Reverb Zones.
For this recipe, we have prepared a package containing a basic level named reverbZoneLevel and the signal prefab. The package is in the 0423_06_03 folder.
Follow these steps to simulate the sonic landscape of a tunnel:
- Import the
reverbZonespackage into your Unity project. - In the Project view, open the
reverbZoneLevellevel, inside the 06_03 ReverbZones folder. This is a basic scene featuring a first-person camera and a tunnel. - Now drag signalPrefab from the Project view into the Hierarchy view. That should add a sound-emitting object to the scene. Place it in the center of the tunnel.
- Make five copies of the signalPrefab game object and distribute them across the tunnel (leaving a copy just outside each entrance), as shown here:
- In the Hierarchy view, click Create to add an Audio Reverb Zone to the scene. Now place it in the center of the tunnel.
- Select the Reverb Zone game object. In the Inspector view, change the Reverb Zone component parameters to these values: Min Distance: 3; Max Distance: 9; Preset: StoneCorridor:
- Play the scene and walk through the tunnel. You should hear the audio reverberate when inside the Reverb Zone area.
Once positioned, the Audio Reverb Zone applies an audio filter to all audio sources within its radius.
Here are more options for you to try.
Instead of creating an Audio Reverb Zone game object, you could attach it to the sound emitting object (in our case, signalPrefab) as a component by navigating to Component | Audio | Audio Reverb Zone. In this case, the Reverb Zone would be individually set up around the object.
Unity comes with several Reverb presets. We have used StoneCorridor, but your scene could ask for something less intense (such as Room) or more radical (such as Psychotic). If those presets still won't be able to recreate the effect you have in mind, change it to User and edit the parameters as you wish.
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