Scripts

Camera Controls

• CrossFade - Smoothly fade the view from one camera to another.
• RectangleWipe - Make an animated rectangular zooming screen wipe from one camera to another.
• ShapeWipe - Make an animated screen wipe, where an arbitrary shape containing the second view zooms in or out, and rotates.
• SquishWipe - Make an animated screen wipe from one camera to another, where the first image is squished out of view.
• Headbobber - This script makes an object bob up and down smoothly when you're pressing one or both of the horizontal/vertical axes.
• MouseLookPlus - A javascript mouselook with key control. based on the standard assets C# mouselook.
• SmoothFollow2 - This is designed to make a camera smoothly follow a ship in space.

Character Controller Scripts

• Force2D - Place this script on a GameObject and have it constrained to two dimensions.
• ShipControls - Place this script on a RigidBody for 2D spaceship controls like OverWhelmed Arena.
• VariableSpeedFPSwalker - An FPS walker script having different speeds for walking forward, strafing, and backpedaling
• RigidbodyFPSWalker - An physics based FPS walker that works with rigidbodies and thus is affected by forces, joints or other rigidbodies
• PhysicsFPSWalker - Another physics based fps walker script

Debugging Scripts

• DebugConsole - A script to allow scrolling feedback from your scripts.
• UUnit - a Simple xUnit framework that can be run inside Unity.
• Reporter - a simple delayed action system info script that could be used for support purposes
• LeakDetection - a simple GUI script for displaying the amount of objects currently loaded by type

General Concepts

• BasicDataStructures - discussion on the use of the data-structures available in unity.
• AManagerClass - example on how to add easy access to a singleton class in a scene.
• SimpleRegex - example of how one might use regular expressions in Unity to do something useful.
• ToggleGravity - example how to toggle a property, in this case the global gravity setting, by the left mouse button.

General Purpose Effect Scripts

• TimeBasedTrailRenderer - The Built in trail renderer does not fade its segments based on the time they have been alive. This one does.
• CameraFacingBillboard - Use this script on a billboard or similar object to make it align itself with the camera.
• LookAtCameraYonly - Use this script on a billboard or other object to have it face the camera but only rotate on the Y axis.
• StopEmittingAfterDelay - After a configurable delay, particles will fade naturally, then finally the object will get destroyed with autodestruct.
• Perlin Noise - Noise functions for smoothly moving objects around or anything else
• Animating Tiled texture - A texture made of many tiles animated through setting the uv offsets
• Animating Tiled texture - Extended - Use one animation cell-sheet texture for many animations and skins.
• Character Shadow - Cast shadows from an object! (requires Unity Pro)
• Fog Layer - Lets you determine per camera if fog should be enabled or disabled
• CameraRenderSettings - Allows storing seperate render settings per camera - an extended version of the Fog Layer script above.
• ReverseNormals - Reverses normals & back face culling of a mesh
• MeshMorpher - A Mesh Morpher script with scripting API
• MetaBalls - 3D Metaballs
• Shadow Volumes in Alpha - Shadow volume based shadows (requires Unity Pro)
• SoftBodies - Cloth, Springy Noodles, Jello Blocks, etc..
• Flocking - A flocking script with randomness and target following.
• Spline Controller - Interpolates any GameObject along a user-defined spline

Graphical User Interface Scripts

• Custom_2D_Pointer - Make a custom pointer that changes shape at the edges of the screen.
• Box_Script - Use this system to easily make simple GUI elements in nice looking boxes with buttons that actually do something useful. All generated at runtime from a MenuStyle.
• Button - Use this script on a guiTexture object for regular push buttons that send a message when clicked.
• DraggableGUIElement - Click and drag on GUITexture or GUIText to move it around the screen.
• FadeIn - Allows you to show/hide a GUIText or GUITexture when pressing a key/button.
• ForwardAllMouseEvents - Send mouse events to some sort of controller type GameObject.
• GUIFly - Use this script on an object to make it respond to a "Fly" message so that it may move on and off the screen in a pleasing manner.
• GuiRatioFixer - Use on a GUIText /GUITexture object to automatically adjust aspect ratio
• GuiRatioFixer2 - Alternate script based on screen's aspect to use on a GUIText /GUITexture object to automatically adjust aspect ratio
• ToggleButton - Extends the Button class to create a toggle button.
• DragSlider - Use this script with a pair of GUITextures to make a functioning slider.
• TakeScreenshot - Captures sequentially numbered screenshots when a function key is pressed.
• ScreenShotMovie - Captures a screenshot sequence for use when making a movie
• GetTimeString - A simple function that can be placed anywhere and used to display times. Useful for racing games.
• GUIBuilder - Generic classes for easing the pain of GUI creation. (BETA)
• AutoType - Automaticly types a string of text typewriter style.

Unity 2.0 GUI Scripts

• PasswordField - Allows the user to type in a field masked by *'s (or any other character)
• WithPrefs - Functions that change values and modifies preferences in one simple step
• PauseMenu - Standard pause menu used by Fugu Games for web players and widgets

Heads Up Display Scripts

• MessageDisplayer - Use this script on a GUIText object to have a self-disappearing list of status messages.
• FramesPerSecond - Use this script on a GUIText object to display FPS counter.

Image Postprocessing Effects (require Unity Pro)

• BloomEffect (OBSOLETE) - Sometimes referred to as "glow", use this effect to make bright parts in your scene bleed. This script is made obsolete by the GlowEffect shipped with Unity 1.5.
• BoostColors - A very simple and fast way to boost the contrast of saturation of the graphics in your game.
• InvertCamera - A simple script that will invert everything rendered by a camera.

Sound Scripts

• JukeboxController - A very basic jukebox class. This can be used to manage multiple audio clips across different levels.

WWW Scripts

• VersionCheck - A very basic version checker. This can be used to check if the version of the game the user is running is the latest, and if not, send them to a URL to download the latest.
• MeshSerializer - Save Unity meshes to files for the Web, load them with WWW interface.
• CookieCutter - Access browser cookies from Unity web players.
• PlayerPrefsx - An extension to CookieCutter which allows you to save data in both standalones and cookies for the web without having to think about it.
• UnityObject - A nice & clean way to embed .unityweb in your web browser. Plugin Detection, Communication, Clean HTML
• GetXMLHack - Get XML data into the web player using browser script instead of WWW() (which has been buggy for me!)
• Server Side Highscores - A complete tutorial for implementing a server side php script for storing high scores and how to post the scores to the server.

Networking Scripts

• NetworkCursor - Serverless realtime networking. An example where one Unity instance controls another via a TCP/IP socket. Could be expanded to do many types of realtime networking.
• Server - TCP network host, based on NetworkCursor, but expanded to do more.
• Sender - Uses a Server to send data from the parent object to whatever is on the other end of the connection.
• Simple TCP/IP Client - Server - This contains source code for C# that you can use to create a server for Windows and a DLL in C# that you can use with Unity

Physics Scripts

• DontGoThroughThings - Script that uses raycasting to avoid fast-moving objects going through obstructions.

Editor Scripts

• AddChild - Adds an empty GameObject as a child of each selected object.
• AddComponentRecursively - Adds a component to an object, and all the children of that object.
• CopyTransform - Copies the local transform of the selected game instance in the scene and then pastes it into another one you select.
• DeleteComponentsInChildren - Helps to delete a special type of components which are attached to the children of the selected Gameobject.
• FindObjects - Find objects by name or attached component type.
• InsertParent - An alternative to the built-in Make Parent command, this script inserts a new GameObject which becomes the parent of all selected objects.
• LightMapper - A simple ray based light mapper for Unity
• Notes - Allows you to add notes to any GameObject.
• PixelLightMapper - A pixel based light mapper for Unity
• SnapToGrid - Snaps objects to a grid in 3 dimensions.
• Take3DScreenshot - Take a "3d screenshot"; a series of screenshots captured while rotating around a given object. Useful for QTVR creation.
• ToggleActiveRecursively - Activates/deactivates entire hierarchies at once.

Utility Scripts

• HSBColor - This utility script provides a HSB color model in addition to Unity's built in RGB Color class.
• Mathfx - This script contains a growing number of small and useful math functions. (Short for Mathf eXtended.)
• Matrix - A class for doing 3D matrix math against Vector3 objects
• ObjExporter - A simple utility class for exporting a mesh to an obj file
• TerrainObjExporter - Export Unity 2.0 Terrain objects as obj files
• StringToValue - Functions for finding data within a string.
• ExpandoObject - Create ECMAScript-style expando objects in Unity Javascript
• MixupGO - Flatten GameObjects and all attached components into a single object using duck typing in Unity Javascript
• PrintPolyCount - Prints total vertex and triangle count in the object hierarchy.
• TextScanner - A utility class for parsing strings using std C sscanf format strings
• Layers - A utility script for holding easily-accessible layers and easily creating masks
• StringUtil - Word wrap and line count functions.
• Shell - A replacement for the built-in shell function removed from Unity 1.6.1
• Set - A set data structure.
• MD5 - Generate an MD5 hash for a string
• VertexInfo - Displays the vertex numbers of a mesh at the runtime
• deepSearch - Searches recursively from the parent down
• CustomRandom - C# Random number generator, when you must have a random number generator that works on all platforms and runtimes .net runs on!

Simulation Scripts

• SICK Laser Scanner - This script simulates the SICK LMS type planar laser scanner
• IMU Inertial Measurement Unit - This script simulates an IMU providing velocities and accelerations of the object it is attached to in the objects local frame.
• GPS Global Positioning System - This script simulates a GPS device providing real world GPS locations based on a reference point
• Compass - This script simulates a compass with North relative to the Z axis of a reference object
• GameTime - This script rotates a directional light to match the rotation of the sun based on the system time.
• Gravity - Simulates body-to-body gravity (i.e. planetary gravity)
• Trajectory Simulation - Demonstrates simulating the trajectory of a launched object

Really Simple Scripts

• ConstantVelocity - This script allows you to set a local velocity to an object (useful for missiles perhaps?)
• OnCollideExplode - This script spawns a prefab(explosion) on collision, and removes the gameobject from the game.
• OnCollideSound - This script spawns a prefab(preferably a sound) if a collision is over a certain magnitude.
• OnExplosionEffect - This script attached to an explosion will give an area effect of an explosion

Code Snippets

• Calculating Lead For Projectiles - These script fragments allow you to add some lead ahead of the target allowing projectiles/missiles to collide with the target - A quadratic rather than an iterative solution