- Unity 5.x Cookbook
- Table of Contents
- Unity 5.x Cookbook
- Credits
- Foreword
- About the Authors
- About the Reviewers
- www.PacktPub.com
- Preface
- 1. Core UI – Messages, Menus, Scores, and Timers
- Introduction
- Displaying a "Hello World" UI text message
- Displaying a digital clock
- Displaying a digital countdown timer
- Creating a message that fades away
- Displaying a perspective 3D text message
- Displaying an image
- Creating UI Buttons to move between scenes
- Organizing images inside panels and changing panel depths via buttons
- Displaying the value of an interactive UI Slider
- Displaying a countdown timer graphically with a UI Slider
- Displaying a radar to indicate the relative locations of objects
- Creating UIs with the Fungus open-source dialog system
- Setting custom mouse cursor images
- Input Fields component for text entry
- Toggles and radio buttons via Toggle Groups
- Conclusion
- 2. Inventory GUIs
- Introduction
- Creating a simple 2D mini-game – SpaceGirl
- Displaying single object pickups with carrying and not-carrying text
- Displaying single object pickups with carrying and not-carrying icons
- Displaying multiple pickups of the same object with text totals
- Displaying multiple pickups of the same object with multiple status icons
- Revealing icons for multiple object pickups by changing the size of a tiled image
- Displaying multiple pickups of different objects as a list of text via a dynamic List<> of PickUp objects
- Displaying multiple pickups of different objects as text totals via a dynamic Dictionary<> of PickUp objects and "enum" pickup types
- Generalizing multiple icon displays using UI Grid Layout Groups (with scrollbars!)
- Conclusion
- 3. 2D Animation
- Introduction
- Flipping a sprite horizontally
- Animating body parts for character movement events
- Creating a 3-frame animation clip to make a platform continually animate
- Making a platform start falling once stepped-on using a Trigger to move animation from one state to another
- Creating animation clips from sprite sheet sequences
- Conclusion
- 4. Creating Maps and Materials
- Introduction
- Creating a basic material with Standard Shader (Specular setup)
- Adapting a basic material from Specular setup to Metallic
- Applying Normal maps to a material
- Adding Transparency and Emission maps to a material
- Highlighting materials at mouse over
- Adding Detail maps to a material
- Fading the transparency of a material
- Playing videos inside a scene
- Conclusion
- 5. Using Cameras
- 6. Lights and Effects
- Introduction
- Using lights and cookie textures to simulate a cloudy day
- Adding a custom Reflection map to a scene
- Creating a laser aim with Projector and Line Renderer
- Reflecting surrounding objects with Reflection Probes
- Setting up an environment with Procedural Skybox and Directional Light
- Lighting a simple scene with Lightmaps and Light Probes
- Conclusion
- 7. Controlling 3D 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
- Organizing States into Sub-state Machines
- Transforming the Character Controller via script
- Adding rigid props to animated characters
- Using Animation Events to throw an object
- Applying Ragdoll physics to a character
- Rotating the character's torso to aim a weapon
- 8. Positions, Movement and Navigation for Character GameObjects
- Introduction
- Player control of a 2D GameObject (and limiting the movement within a rectangle)
- Player control of a 3D GameObject (and limiting the movement within a rectangle)
- Choosing destinations – find the nearest (or a random) spawn point
- Choosing destinations – respawn to the most recently passed checkpoint
- NPC NavMeshAgent to seek or flee destination while avoiding obstacles
- NPC NavMeshAgent to follow the waypoints in a sequence
- Controlling the object group movement through flocking
- Conclusion
- 9. Playing and Manipulating Sounds
- Introduction
- Matching the audio pitch to the animation speed
- Simulating acoustic environments with Reverb Zones
- Preventing an Audio Clip from restarting if it is already playing
- Waiting for audio to finish playing before auto-destructing an object
- Adding volume control with Audio Mixers
- Making a dynamic soundtrack with Snapshots
- Balancing in-game audio with Ducking
- 10. Working with External Resource Files and Devices
- Introduction
- Loading external resource files – using Unity Default Resources
- Loading external resource files – by downloading files from the Internet
- Loading external resource files – by manually storing files in the Unity Resources folder
- Saving and loading player data – using static properties
- Saving and loading player data – using PlayerPrefs
- Saving screenshots from the game
- Setting up a leaderboard using PHP/MySQL
- Loading game data from a text file map
- Managing Unity project code using Git version control and GitHub hosting
- Publishing for multiple devices via Unity Cloud
- 11. Improving Games with Extra Features and Optimization
- Introduction
- Pausing the game
- Implementing slow motion
- Preventing your game from running on unknown servers
- State-driven behavior Do-It-Yourself states
- State-driven behavior using the State Design pattern
- Reducing the number of objects by destroying objects at death a time
- Reducing the number of enabled objects by disabling objects whenever possible
- Reducing the number of active objects by making objects inactive 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
- Evaluating performance by measuring max and min frame rates (FPS)
- Identifying performance bottlenecks with the Unity performance Profiler
- Identifying performance "bottlenecks" with Do-It-Yourself performance profiling
- Cache GameObject and component references to avoid expensive lookups
- Improving performance with LOD groups
- Improving performance through reduced draw calls by designing for draw call batching
- Conclusion
- 12. Editor Extensions
- Introduction
- An editor extension to allow pickup type (and parameters) to be changed at design time via a custom Inspector UI
- An editor extension to add 100 randomly located copies of a prefab with one menu click
- A progress bar to display proportion completed of Editor extension processing
- An editor extension to have an object-creator GameObject, with buttons to instantiate different pickups at cross-hair object location in scene
- Conclusion
- Index
In this chapter, we have introduced recipes demonstrating the animation system for 2D game elements. The bean-man 2D character is from the Unity 2D Platformer, which you can download yourself from the Unity asset store. That project is a good place to see lots more examples of 2D game and animation techniques (www.assetstore.unity3d.com/en/#!/content/11228).
Here are some links for useful resources and sources of information to explore these topics further:
- Unity 2D Platformer (where the BeanMan character came from):
- The platform sprites are from Daniel Cook's Planet Cute game resources:
http://www.lostgarden.com/2007/05/dancs-miraculously-flexible-game.html
- Creating a basic 2D platformer game:
- Hat Catch 2D game tutorial:
https://www.unity3d.com/learn/tutorials/modules/beginner/live-training-archive/2d-catch-game-pt1
- Unity games from a 2D perspective video:
- A fantastic set of modular 2D characters with a free Creative Commons license from 'Kenny'. These assets would be perfect for animating body parts in a similar way to the bean-man example in this chapter and in the Unity 2D platformer demo:
-
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