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Glossary for Alice Programming

Learn Alice in FREE step-by-step lessons.

accumulator: A variable (called an accumulator) can be used to find the total of several items.
   Lesson: A Little Math
add object to scene: One of the problems with starting with a full scene is that you may not be able to find the characters you add.
   Adding Characters to a Full Scene
   Lesson: Start, Save, Reopen and modify your program
addition quiz: Bears ask you to add numbers, then tells how many you got right.
   Addition Quiz
   Lesson: Random Numbers
addition witch age: What ever age you say you are, the witch says she's older.
   The Witch is Older
   Lesson: A Little Math
addSceneActivationListener: The addSceneActivationListener makes a dog wag his tail continuously while other actions take place.
   Tail wags continuously
   Lesson: Events: Responding to the Mouse and Keyboard
AND && comparison: You are a teenager if age >=13 AND age <= 19
   Teenager? Using AND: &&
   Lesson: Boolean Expressions: true or false
argument procedure: Arguments are values that are passed to a method.
   Lesson: Class Procedures in Alice3: Reusable Code
arguments vs. paramters: Parameters are the rules for the values that a method receives. For instance the "say" procedure has one parameter: a string, such as "Hello". When you call a method, the values that you provide are called arguments.
   Lesson: Class Procedures in Alice3: Reusable Code
arms, moving: A biped's two arms are mirror images of each other.
   Moving the arms
   Lesson: Posing Objects in Alice3
array elephant trunk: The segments of an elephant's trunk, tail and a few other things are an array.
   elephant's trunk segments are an array
   Lesson: Arrays: Working with lists of objects
array joints: The segments of an elephant's trunk, tail and a few other things are an array.
   Segments of an elephant's trunk as an array
   Lesson: Arrays: Working with lists of objects
array objects: An array of birds perform
   Birds spread wings and say something
   Lesson: Arrays: Working with lists of objects
array procedure: Each fish swims to cave with procedure
   Fish swim to cave with procedure
   Lesson: Arrays: Working with lists of objects
arrays, parallel: One array contains animals, the other the things they say
   Parallel Arrays: one for animals, te other for what they say
   Lesson: Arrays: Working with lists of objects
array: An array is a list of objects, or other values.
   Lesson: Arrays: Working with lists of objects
arrow keys: Add object mover for the shark so that the user can move it with the arrow keys.
   Object Mover and Key press events
   Lesson: Events: Responding to the Mouse and Keyboard
as seen by: The argument asSeenBy shows a movement through the eyes of another object.
   As Seen By: A different point of view
   Lesson: Advanced Techniques: The finishing touches
as seen by: AsSeenBy is an argument that shows a movement through the eyes of another object.
   As Seen By: A different point of view
   Lesson: Advanced Techniques: The finishing touches
assign: This statement assigns a new value to a variable.
   Lesson: Variables in Alice 3
atmosphere color: The color of the sky.
   Lesson: Setting up the Alice Virtual World
background actions: The addSceneActivationListener makes a dog wag his tail continuously while other actions take place.
   A dog wags his tail continuously
   Lesson: Events: Responding to the Mouse and Keyboard
background sound: A sound can be played continuously in the background.
   Lesson: Events: Responding to the Mouse and Keyboard
billboards: A UFO lands in Paris using a billboard with a picture of Paris.
   Using billboards to display images
   Lesson: Advanced Techniques: The finishing touches
billboards: A UFO lands in Paris using a billboard with a picture of Paris.
   Using billboards to display images
   Lesson: Advanced Techniques: The finishing touches
biped wave procedure: Copy the code for Loki waving to create procedure for any biped to wave.
   A Biped Waving Procedure
   Lesson: Class Procedures in Alice3: Reusable Code
biped wave: Video shows statements for making Loki wave.
   Loki Waves
   Lesson: Class Procedures in Alice3: Reusable Code
biped: A biped is a 3D character that stands on 2 feet. This includes all of the humans, but also a few animals such as the pig and a cat that stand on 2 legs.
   Lesson: Introduction to Alice 3
blank slate: A way to start a new project by choosing a ground texture: mars, ocean, room, grass, etc.
   Lesson: Start, Save, Reopen and modify your program
boolean drill: See if you can do these comparisons
   A drill on Boolean values
   Lesson: Boolean Expressions: true or false
boolean if: Ask if Thor is happy, he says ha-ha or boo-hoo
   Using Boolean Expressions in If Block
   Lesson: Boolean Expressions: true or false
boolean: Boolean values have one of only two values: either true or false.
   Lesson: Boolean Expressions: true or false
brieftour: Video Overview of the components in Alice
   A Brief Tour of Alice
   Lesson: Introduction to Alice 3
bug: A bug is an error in a program. Debugging is the process of finding and fixing the errors.
   Lesson: Scene Procedures in Alice 3
calculate distance: Distance to move to be next to something
   Calculate Distance to Move Bunny
   Lesson: Calculations and Functions
camelCase: Camel Case is the naming convention of starting a name with a lower case letter, then using an uppercase letter for each new word. Examples: userName, madHatter, badDude, etc. Names can not have a space, and camelCase is a way to separate words in a name to make it easier to read.
   Lesson: Your First program: Hello World
camera changes: Change the position of the camera, turn and resize objects, delete and undo.
   Changing the Camera Position
   Lesson: Start, Save, Reopen and modify your program
camera changes: Using the various handles
   Changing the position of camera and objects
   Lesson: Setting up the Alice Virtual World
camera marker, scene change: The camera uses camera markers to switch from scene on the left and one on the right. Uses two different Cinderellas.
   Cinderella scenes with camera markers
   Lesson: Advanced Techniques: The finishing touches
camera markers: Camera markers let you set up positions for the camera to move to
   Using Camera Markers
   Lesson: Setting up the Alice Virtual World
camera marker: After positioning the camera, you can save that position using a camera marker. You can use those markers in your code to focus the camera. This is one way of changing scenes.
   Lesson: Advanced Techniques: The finishing touches
camera vehicle: A moving object can be the vehicle for the camera.
   Lesson: Advanced Techniques: The finishing touches
camera views, stacking boxes: Different views help to stack 3 boxes
   Camera views: Stacking Boxes
   Lesson: Setting up the Alice Virtual World
camera views: View the scene from starting view, layout, top, side, or front
   Camera views
   Lesson: Setting up the Alice Virtual World
camera: Every Alice world includes a camera. The camera is point of view of the user of the Alice world. The camera can be changed to zoom in or out or even to move around with another object.
   Lesson: Setting up the Alice Virtual World
canvas wall: Putting a canvas on the wall
   Hang Picture on Wall
   Lesson: Setting up the Alice Virtual World
change ground: Create scene procedures and change the ground and visibility of objects.
   change ground
   Lesson: Advanced Techniques: The finishing touches
changes camera and objects: Using the various handles
   Changing the position of camera and objects
   Lesson: Setting up the Alice Virtual World
child or adult: Compare age to determine if child or adult
   Child or Adult? Comparing values
   Lesson: Boolean Expressions: true or false
class as variable: The jokester can be any of the animals.
   S Jointed Model as variable
   Lesson: Variables in Alice 3
class: Classes in Alice are definitions of the various 3D models. When you drag one of these classes onto the stage you create an object, which is an instance of the class. A class can be described as the blueprint or template for creating an instance of the class.
   Lesson: Introduction to Alice 3
click: In Alice, you can write code for what to do when the user Click the mouse. This is called an event.
   Lesson: Events: Responding to the Mouse and Keyboard
code editor: In Alice you add and edit code in the code editor by dragging tiles into the code area.
   Lesson: Start, Save, Reopen and modify your program
code preference: Show your code in the same mode as the videos.
   Change the code preference to Java
   Lesson: Your First program: Hello World
code: Code is all of the statements that are part of the program.
   Lesson: Start, Save, Reopen and modify your program
coffee-tea: See if you can add another choice
   The user is offered coffee and tea
   Lesson: Boolean Expressions: true or false
collisions: A collision occurs when two characters move into each other. This event can be handled.
   Lesson: Events: Responding to the Mouse and Keyboard
color, atmosphere: The color of the sky.
   Lesson: Setting up the Alice Virtual World
color: Color is one of the properties of objects that can be changed.
   Lesson: Setting up the Alice Virtual World
comments: This video demonstrates how to add comments.
   Adding comments
   Lesson: Your First program: Hello World
comment: Comments start with //. Comments do not change the execution of the program, but are a very important tool for programmers. Comments are one way of documenting your code.
   Lesson: Your First program: Hello World
compare &&: You are a teenager if age >=13 AND age <= 19
   Teenager? Using AND: &&
   Lesson: Boolean Expressions: true or false
compare >: Panda says "Whee" if amountToTurn > 2.0
   Compare if >
   Lesson: Boolean Expressions: true or false
constant: A constant is a stored value that never changes. For instance, PI is a constant. Its value is 3.14159 and never changes.
   Lesson: Variables in Alice 3
control structures: Control Structures are the blocks that control the order that statments are executed. It includes loops, do in order, do together, and if/else blocks.
   Lesson: Creating Animation in Alice3
control-structures: Control structures control the order in which statements are executed.
   Control Structures
   Lesson: Creating Animation in Alice3
count 1,2,3...: Use count control structure to count to 3.
   Using a count loop to count to 3.
   Lesson: Creating Animation in Alice3
count backwards blast-off: Counting down with a while loop: 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 blast off!
   Count down and blast off!
   Lesson: Creating Animation in Alice3
count loop bunny-no: Use count control structure to shake head no 3 times
   Using a count loop to shake head no.
   Lesson: Creating Animation in Alice3
count loop wave: Use count control structure to wave 3 times
   Using a count loop to wave
   Lesson: Creating Animation in Alice3
count loop: The count loop is a control structure that lets you repeat a block of code a specific number of times.
   Lesson: Creating Animation in Alice3
counter loop: Using a while loop to count using counter=counter+1
   Counter Loops
   Lesson: Calculations and Functions
counter2: Using a while loop to count using counter=counter+1
   3 Guys take turns counting
   Lesson:
counter: A counter is a variable that is initialized to 0, then add 1 to it when the thing you are counting occurs.
   Lesson: A Little Math
counting objects: An array of animals take turns to count
   object take turns counting
   Lesson: Arrays: Working with lists of objects
counting quiz: How many fish do you see? (Some of the fish are invisible.)
   A Counting Quiz
   Lesson: Random Numbers
crash: Alice tends to crash, but there are steps to avoid frustration.
   Crashing
   Lesson: Introduction to Alice 3
crash: Crashing is when a program stops working.
   Lesson: Introduction to Alice 3
dancing-bird: Variables are useful for any movement
   Variables for movement
   Lesson: Variables in Alice 3
data types: Values in Alice can be string, integer, double, Boolean or any of the gallery classes.
   Data Types
   Lesson: Variables in Alice 3
depth: The depth is one of the properties of all 3D objects. Depth is the distance from the front to the back of a 3D object. The function getDepth is used to retrieve its current value. The setDepth procedure is used to change the value. The width, height and depth properties will stay in proportion.
   Lesson: Setting up the Alice Virtual World
direction: Each object has a sense of direction: forward, backward, left, right, up, backward, and down.
   Directions
   Lesson: Understanding the Alice Virtual World
disable procedure
   Disabling Procedure
   Lesson: Scene Procedures in Alice 3
discount: Children and Seniors pay $10 admission. Everyone else pays $15
   Discount? Using OR: ||
   Lesson: Boolean Expressions: true or false
distance, calculate: Distance to move to be next to something
   Calculate Distance to Move Bunny
   Lesson: Calculations and Functions
distance: Distance to move to be next to something
   Calculate Distance to Move Skater
   Lesson:
division, remainders goldcoins: Learn about division and remainders.
   The fish share the gold coins
   Lesson: A Little Math
division: Division is performed using the / operator.
   Lesson: A Little Math
do in order: Statements inside a do in order block are executed one after the other in sequence.
   Lesson: Creating Animation in Alice3
do together: Statements inside a do together block are executed concurrently: all at the same time.
   Lesson: Creating Animation in Alice3
dotogether: Animals all say hello at the same time.
   Using doTogether
   Lesson: Your First program: Hello World
double input: We ask the user for a double and the panda spins around that amount.
   Panda asks how much to turn
   Lesson: User Input in Alice3
double: Double is a variable type that has decimal places. Movements of the 3D characters are always expressed as double values. Example: 0.25, 3.0, etc.
   Lesson: Variables in Alice 3
drag-drop: Using default model manipulation in event listeners lets the user drag and drop objects at run time.
   Drag and Drop
   Lesson: Events: Responding to the Mouse and Keyboard
each in together: The each in together control structure causes all statements inside this block to change all elements of an array at the same time.
   Lesson: Arrays: Working with lists of objects
edit code: Edit the code, change the object, add parameters, and delete or disable statements.
   Editing the code
   Lesson: Start, Save, Reopen and modify your program
edit say: This video demonstrates how to create your first program.
   Editing the say command
   Lesson: Your First program: Hello World
editing markers: Edit object markers: add, delete, re-rename, and change the color
   Editing markers
   Lesson: Creating Animation in Alice3
editors: Add 3D models in setup scene, add code in code view.
   Code Editor vs. Scene Editor
   Lesson: Your First program: Hello World
edit: Add to variable
   Editing variables
   Lesson: Variables in Alice 3
endless loop: Uses an endless while loop to circle continuously.
   Yeti circles around baby penguin
   Lesson: Creating Animation in Alice3
event collision: Making something happen when objects collide.
   Event: collision
   Lesson: Events: Responding to the Mouse and Keyboard
event drag drop: Using default model manipulation in event listeners lets the user drag and drop objects at run time.
   Event: drag and drop
   Lesson: Events: Responding to the Mouse and Keyboard
event handling: Event handling means writing code to specify what to do when an event (such as the user clicking the mouse) occurs.
   Lesson: Events: Responding to the Mouse and Keyboard
event mouse click: The bear says something when the user clicks on him.
   User clicks object
   Lesson: Events: Responding to the Mouse and Keyboard
event mouseclick: Each animal says something when clicked
   Mouse click events
   Lesson: Events: Responding to the Mouse and Keyboard
event timer: Using the timer event, the penguin says "Help!" at random intervals.
   Event: timer
   Lesson: Events: Responding to the Mouse and Keyboard
event: Events are things that happen such as a user action with the mouse or keyboard, and also events such as a timer going off.
   Lesson: Events: Responding to the Mouse and Keyboard
export-import: This video illustrates how to export and import procedures and functions.
   Export and Import procedures
   Lesson: Advanced Techniques: The finishing touches
find smallest: The first value is the smallest and largest so far.
   Loop to add numbers and find smallest and largest
   Lesson: Calculations and Functions
fish-back-forth: Random numbers for the distance to swim makes it more realistic.
   A Fish swims back and forth
   Lesson: Random Numbers
flowchart, drawing: Video shows how to draw flowchart using draw.io
   Drawing Flowcharts
   Lesson: The Software-Lifecycle
flowchart, rock paper scissors: The top level flowchart for the rock paper scissors game is shown.
   Flowchart for Rock, Paper, Scissors game
   Lesson: The Software-Lifecycle
flowcharts: A flowchart is a drawing that shows the steps in an algorithm.
   Flowcharts
   Lesson: The Software-Lifecycle
flyer: Flyer is the class of objects that have wings. This includes penguins that don't actually fly in the real world.
   Lesson: Introduction to Alice 3
fog density: A fog density of 0 is no fog, 1 is completely covered in fog with 0 visibility.
   Lesson: Setting up the Alice Virtual World
for each in: The for each in control structure is used to make changes to each element of an array, one at a time.
   Lesson: Arrays: Working with lists of objects
function getDistanceTo: We use a function to find how far away something is.
   How far is the cave?
   Lesson: A Little Math
function getHeight: We use a function to find height. These functions are in the panel next to procedures
   How tall is the snow-woman?
   Lesson: A Little Math
function height: The height is one of the properties of all 3D objects. The function getHeight is used to retrieve its current value. The setHeight procedure is used to change the value. The width, height and depth properties will stay in proportion.
   Lesson: A Little Math
function vs. procedures: In addition to procedures, there are also functions.
   Functions vs. Procedures
   Lesson: Start, Save, Reopen and modify your program
functions: Shows the difference between procedures and functions.
   Using Functions
   Lesson: Understanding the Alice Virtual World
functions: Create a function to get distance to move next to something
   Writing functions
   Lesson: Calculations and Functions
function: A function returns an answer to a question.
   Lesson: Introduction to Alice 3
function: A function is a method that computes and returns a value.
   Lesson: Calculations and Functions
gallerytour: Video overview of the 3D models available
   A Gallery Tour
   Lesson: Introduction to Alice 3
get boolean: We ask the user for a Boolean value.
   Martian asks if he is on Mars
   Lesson: User Input in Alice3
get: We can ask the user for input using the get commands.
   Lesson: User Input in Alice3
ground change: Create scene procedures and change the ground and visibility of objects.
   ground: change
   Lesson: Advanced Techniques: The finishing touches
ground, changing: Change the ground, opacity, add fog, light from above and below
   How to Change the ground
   Lesson: Setting up the Alice Virtual World
ground: All Alice world start with a ground object. You can change this to a solid color, a texture such as grass, moon or dirt. You can also import an image to display instead of the other choices.
   Lesson: Setting up the Alice Virtual World
guess number: Loops until the user guesses the number: give hints "too high" and "too low"
   Guess the Aliens number
   Lesson: Random Numbers
handles: Handles are used to position objects in the scene editor.
   Lesson: Setting up the Alice Virtual World
hands-on-head: Variables are used to make it easier to experiment
   Hands on the head
   Lesson: Posing Objects in Alice3
hello world1: Important things to remember when you create the first program
   About the first program
   Lesson: Your First program: Hello World
hello world: This video demonstrates how to create your first program.
   The first program: Hello World
   Lesson: Your First program: Hello World
hello: Why you should write the Hello World program
   Why Hello World?
   Lesson: Your First program: Hello World
how many penguins: See if you can add to this project
   The seagull asks how many penguins there are.
   Lesson: Boolean Expressions: true or false
IDE: Most modern programming environments allow you to create the program, edit it and run it from one application called the IDE Interactive (or Integrated) Development Environment. Older programming languages required you to work with several separate applications.
   Lesson: Introduction to Alice 3
if: The if/else control structure lets you test a condition and execute one block of code if the condition is true and a different block of code (the else block) if it is false.
   Lesson: Boolean Expressions: true or false
import export: This video illustrates how to export and import procedures and functions.
   Export and Import procedures
   Lesson: Advanced Techniques: The finishing touches
import: Alice allows you to import graphics and display them on billboards or as the ground. It also lets you import sounds and play them. If you are having problems with Alice crashing, you may want to keep these imports small.
   Lesson: Advanced Techniques: The finishing touches
infinite loop: An infinite loop is one that is never going to end. The control structure while(true) is an infinite loop. It is also called an endless loop.
   Lesson: Creating Animation in Alice3
inheritance: In programming, inheritance means that you can create a base class, such as a quadruped, and then derive another class, such as an elephant, that inherits all of the properties of other quadrupeds, but it is extended to have additional properties, such as a trunk. In this example, Quadruped is the base class and Elephant is the derived class.
   Lesson: Introduction to Alice 3
initializer: In Alice, when you declare a variable, you must select a type, give it a name, and an initial value, the initializer. The initial value must be of the type that is selected.
   Lesson: Variables in Alice 3
input boolean: We ask the user for a Boolean value.
   Martian asks if he is on Mars
   Lesson: User Input in Alice3
input double: We ask the user for a double and the panda spins around that amount.
   Panda asks how much to turn
   Lesson: User Input in Alice3
input integer: Use the function getIntegerFromUser to ask the user's age.
   Ask the user how old they are
   Lesson: User Input in Alice3
input name from user: Use the function getStringFromUser to ask the user his name, then say hello using the name entered.
   Ask the users name and say hello
   Lesson: User Input in Alice3
input string: Wolf asks "What's your favorite food?", then says that is his favorite too.
   Ask the users their favorite food
   Lesson: User Input in Alice3
input: Alice allows you to ask the user questions and input the response into a variable.
   Lesson: User Input in Alice3
installation: ALice must be downloaded and installed on your computer.
   Lesson: Introduction to Alice 3
installation: Install Alice in Windows or Mac
   Installing Alice 3
   Lesson: Introduction to Alice 3
instance: The gallery has a number of classes of 3D models. When you select one of the 3D models and drag it into the scene, you are creating an instance of that class. Only the instances that you add to the virtual world can be used in your code. You can have more than one instance of a class. For example, you might want 3 elephants. You could change some properties of them so that they don't all look the same.
   Lesson: Introduction to Alice 3
integer input: Use the function getIntegerFromUser to ask the user's age.
   Ask the user how old they are
   Lesson: User Input in Alice3
integer: An Integer is a whole number. It is one of the types that can be used in Alice. (A number with decimal places is a Double.) The number 3 is an Integer, but 3.0 is a Double.
   Lesson: Variables in Alice 3
itteration: See loop: is a control structure that repeats the code in its block. Loops in Alice include while, count and 'for each in'
   Lesson: Creating Animation in Alice3
java: Java is a programming language very similar to Alice code. In these lessons code is shown in Java style. Setting preferences for Java code will make it easier to follow these lessons.
   Lesson: Start, Save, Reopen and modify your program
joints: All of the 3D models have subparts that are connected together by joints. Moving, turning, and rolling these joints create animation. You can create code to make the characters walk, wave, roll over, swim, or flap its wings. In addition you can open and shut gates, car doors, and a treasure chest.
   Lesson: Posing Objects in Alice3
Key press event: Add object mover for the shark so that the user can move it with the arrow keys.
   Key press to move object
   Lesson: Events: Responding to the Mouse and Keyboard
keypress: Learn how to listen for a key press (typing a letter) and respond
   The keypress event
   Lesson: Events: Responding to the Mouse and Keyboard
leg, raise: Try raising the other leg.
   Raising the leg
   Lesson: Posing Objects in Alice3
legs, pose: Legs both descend down from the body but are mirror images of each other from left to right.
   Moving the legs
   Lesson: Posing Objects in Alice3
loop count: Use count control structure to shake head no 3 times
   Using a count loop to shake head no.
   Lesson: Creating Animation in Alice3
loop: A loop is a control structure that repeats the code in its block. Loops in Alice include while, count and 'for each in'
   Lesson: Creating Animation in Alice3
markers editing: Edit object markers: add, delete, re-rename, and change the color
   Editing markers
   Lesson: Creating Animation in Alice3
markers object: Markers let you set up positions for objects to move to
   Using Markers
   Lesson: Setting up the Alice Virtual World
markers pixie: Pixie moves between several markers.
   Pixie moves between marked locations
   Lesson: Creating Animation in Alice3
markers, moving between: Markers let objects move to a marked position.
   Moose and skunk move between marked locations
   Lesson: Creating Animation in Alice3
marker: Alice has two types of markers: Camera Markers and Object markers. Markers are used to store a location or position in the world. You can add and edit markers in the scene setup tab. Once you have added a marker, you can reference that marker in the code.
   Lesson: Creating Animation in Alice3
methods: Procedures and functions are methods. A procedure is used to perform an action. A function returns a value. Methods are an important way to organize a program, instead of putting all of the code in myFirstMethod.
   Lesson: Class Procedures in Alice3: Reusable Code
method: Methods are procedures which perform an action, and functions which answer a question.
   Lesson: Introduction to Alice 3
motion: Video demonstrates the basic principles of object motion and rotation
   Movement in Alice
   Lesson: Understanding the Alice Virtual World
mouse clicks: Each animal says something when clicked
   Click on several different objects
   Lesson: Events: Responding to the Mouse and Keyboard
mouse click: The bear says something when the user clicks on him.
   Click on the bear event
   Lesson: Events: Responding to the Mouse and Keyboard
move back and forth: It's important to start and end in the same position.
   Fish swims back and forth
   Lesson: Creating Animation in Alice3
move between markers: Markers let objects move to a marked position.
   Moose and skunk move between marked locations
   Lesson: Creating Animation in Alice3
move turn roll chicken: How to add move, turn and roll procedures to the code
   A Dancing Chicken using move, turn and roll
   Lesson: Understanding the Alice Virtual World
move turn roll dolphin: A dolphin moves up, down, left and right
   Dolphin tricks: Moves, Turn and Roll
   Lesson: Understanding the Alice Virtual World
multiplication ball-cost: How much does one soccer ball cost? Then 3 would cost total=cost * 3
   Cost of 3 Soccer Balls
   Lesson: A Little Math
multiplication, monkey jump: Monkey jumps a bit higher each time by multiplying variable by 1.3
   Monkey jumps for banana
   Lesson: A Little Math
name of variable: Variable names must follow rules, such as no spaces.
   Name of variables
   Lesson: Variables in Alice 3
name-drill: See if you can select the valid names.
   Drill on names
   Lesson: Variables in Alice 3
names: When you add objects, variables and methods, you must give them a name. The names must follow a few rules and conventions.
   Lesson: Your First program: Hello World
naming: Follow these conventions for the names you give objects, variables and methods.
   Naming conventions
   Lesson: Your First program: Hello World
nighttime: The function getBooleanFromUser gives a choice of true or false.
   Ask if it is nighttime
   Lesson: Boolean Expressions: true or false
object arrays: An array of SJointedModel contains, yeti, tortoise and stuffedTiger
   An array of animals
   Lesson: Arrays: Working with lists of objects
object changes: Using the various handles
   Changing the position of camera and objects
   Lesson: Setting up the Alice Virtual World
object markers: Markers let you set up positions for objects to move to
   Using Object Markers
   Lesson: Setting up the Alice Virtual World
object marker: Object markers are used to store a location in the world. You can add and edit markers in the scene setup tab. Once you have added a marker, you can reference that marker in the code. For instance, you might put a marker in front of the gate, and then have a character move to that marker at some point in the code.
   Lesson: Creating Animation in Alice3
objects counting: An array of animals take turns to count
   Animals counting
   Lesson: Arrays: Working with lists of objects
objects: Shows some of the main categories
   Objects
   Lesson: Introduction to Alice 3
object: An object is an instance of a class. You create an object when you drag it onto the stage. An object is any of the 3D models that make up the virtual world. It includes animals, trees, the ground, camera, props, and characters.
   Lesson: Introduction to Alice 3
one shots: A 3D model can be posed in the scene editor using one shots. This is a good way of experimenting to find how much you need to rotate a joint or whether to roll or turn.
   Lesson: Setting up the Alice Virtual World
oneshots subparts: Learn to pose subparts in scene editor using One Shots
   Posing using One Shots
   Lesson: Posing Objects in Alice3
oneshots: Use one shots to move, turn and roll in design view
   Positioning with One Shots
   Lesson: Setting up the Alice Virtual World
opacity: The opacity of an object can be set to 1 to make it invisible, or 0 to make it invisible. Values in between 0 and 1 can be used to make something translucent or to create a ghost.
   Lesson: Setting up the Alice Virtual World
orientation: Video demonstrates move, turn and roll
   How Objects see the Virtual World
   Lesson: Understanding the Alice Virtual World
orientation: Orientation is an objects position and direction in the world. Any movement of a object will be in relation to its orientation, not the viewer. If an object is facing to the right, moving it forward will move it to the right. If an object is facing up, moving forward will move it up towards the sky.
   Lesson: Setting up the Alice Virtual World
parallel arrays, animals talk: One array contains animals, the other the things they say
   The animals talk: Parallel Arrays
   Lesson: Arrays: Working with lists of objects
parameters procedure: Parameters tell what can be passed to a procedure. Here, we pass the object that we want to cast a spell on, and the object we want to change it to
   Witch casts spell
   Lesson: Class Procedures in Alice3: Reusable Code
parameters severalg: Several parameters are added to call the dog.
   Make the dog crazy: Several Parameters
   Lesson: Class Procedures in Alice3: Reusable Code
parameters: Parameters are the rules for the values that a method receives. For instance the "say" procedure has one parameter: a string, such as "Hello". When you call a method, the values that you provide are called arguments.
   Lesson: Class Procedures in Alice3: Reusable Code
paramters vs, arguments: Parameters are the rules for the values that a method receives. For instance the "say" procedure has one parameter: a string, such as "Hello". When you call a method, the values that you provide are called arguments.
   Lesson: Class Procedures in Alice3: Reusable Code
pass or fail: Compare a score to 65 and say "Pass" or "Fail"
   Pass or Fail
   Lesson: Boolean Expressions: true or false
penguin jumping up and down: Use a random value each time he jumps to make it look more realistic.
   A Penguin Jumps Up and Down
   Lesson: Random Numbers
percentage, tip: The Mad Hatter calculates 15% tip.
   Finding a Tip
   Lesson: A Little Math
pivot point: Every 3D object has a pivot point. When you write code to turn or roll an object, it will turn or roll around that pivot point. The pivot point for most characters is at the bottom, between the feet. The pivot point for a shere is in the center. You can figure out where the pivot point is by rotating it.
   Lesson: Setting up the Alice Virtual World
place: Eagle flies places using place and spatial relations.
   Eagle flies around the mesa
   Lesson: Understanding the Alice Virtual World
pose legs: Legs both descend down from the body but are mirror images of each other from left to right.
   Moving the legs
   Lesson: Posing Objects in Alice3
poses setup: Learn to pose subparts in scene editor using handle tools.
   Posing in Scene Editor
   Lesson: Posing Objects in Alice3
poses, code: Code is used to pose a subpart.
   Posing using code
   Lesson: Posing Objects in Alice3
poses: Poses are created by manipulating an objects subparts. For instance, to kick you would need to manipulate the hip, knee and foot to create a kicking pose.
   Lesson: Posing Objects in Alice3
primitive method: Primitive methods are the procedures and functions that are available in Alice, such as turn, move, say, think, and getHeight. Methods for walking and swimming are not primitive, you must write those methods yourself.
   Lesson: Class Procedures in Alice3: Reusable Code
procedure break spell: A Scene procedure is used to break the spell.
   Break the Spell
   Lesson: Class Procedures in Alice3: Reusable Code
procedure parameters: Parameters are added so that we can vary the amount to wave and times to wave.
   Adding Parameters to a Procedure
   Lesson: Class Procedures in Alice3: Reusable Code
procedures, scene: Hello World using procedures.
   Scene Procedures
   Lesson: Scene Procedures in Alice 3
procedures: Video shows how to use procedure for top down design.
   Procedures for top down design
   Lesson: Scene Procedures in Alice 3
procedure: A procedure performs an action.
   Lesson: Introduction to Alice 3
procedure: A procedure is a method that performs and action. The primitive procedures include say, think and move. You can write additional procedures such as run or swim.
   Lesson: Class Procedures in Alice3: Reusable Code
project: The final project, animating a fairy tale, or other known story, teaches you to design, test, and debug a larger project.
   Create a Final Project
   Lesson: Introduction to Alice 3
project
   Complete Step 1 of the final project.
   Lesson: Your First program: Hello World
properties: All objects have properties such as width, height, color, opacity, and position as X, Y, and Z. You can change these properties using procedures, or retrieve their values using functions.
   Lesson: Setting up the Alice Virtual World
properties: Video shows how to add properties to a class.
   Adding properties to a class
   Lesson: Advanced Techniques: The finishing touches
prop: Prop is the category that includes classes for trees, walls, and other types of scenery
   Lesson: Introduction to Alice 3
pseudocode, rock paper scissors: Explanation and Pseudocode for the game
   A game: Rock, Paper, Scissors
   Lesson: The Software-Lifecycle
pseudocode: Pseudocode is English sentences that tell what you want the program to do. When you are designing a program, you may write the sentence "The ball bounces" but in the actual code you would move the ball up, then back down the same amount.
   Lesson: The Software-Lifecycle
quadruped: A quadruped is the class that stands on 4 legs. The quadruped class includes bear, dog, horse, elephant, dragon, etc. However, in the Alice world a pig (and a few others) is a biped and stands on 2 legs.
   Lesson: Introduction to Alice 3
quiz true or false: Using if to tell the user the answer is right.
   A True/False Question
   Lesson: Boolean Expressions: true or false
quizgame: This video shows how to create a quiz and keep track of number right.
   A Quiz Game
   Lesson: Boolean Expressions: true or false
rabbit-fall: Uses the functions getDistanceTo and getHeight.
   Rabbit Falls in Pond using Functions
   Lesson: Understanding the Alice Virtual World
raise leg: Try raising the other leg.
   Raising the leg
   Lesson: Posing Objects in Alice3
random amount to turn: A random double
   Panda Turns a Random Amount
   Lesson: Random Numbers
random number: Alice has a few functions that return pseudo random numbers. Random numbers can be used to create games, and also to create more natural movements. For instance, when you walk, every step is not exactly the same size. Using a random number for the size of the step will make the movement more realistic. Instead of stepping a distance of exactly 1.1, you might use a random number between 0.9 and 1.2
   Lesson: Random Numbers
random1: Uses textModel to display a random double value between 0 and 1.
   Displaying some random values
   Lesson: Random Numbers
random2: A random integer from 1 to 6 inclusive to roll die
   Displaying values from 1 to 6
   Lesson: Random Numbers
ready set go: Tortoise says "Ready", "Set", "Go" using array
   Arrays: Ready, Set, Go!
   Lesson: Arrays: Working with lists of objects
relational operator: Relational operators are the ones that are used to compare two values: < (less than), > (greater than), == (equal), != (not equal), <= (less than or equal), >= (greater than of equal)
   Lesson: Boolean Expressions: true or false
remainder goldcoins: Learn about division and remainders.
   The fish share the gold coins
   Lesson: A Little Math
remainder: Practice finding remainders.
   Remainder Drill
   Lesson: A Little Math
reopen: Instead of selecting a template choose other tabs: starters, my projects, recent, file.
   Open an existing project
   Lesson: Start, Save, Reopen and modify your program
repetition: See loop: is a control structure that repeats the code in its block. Loops in Alice include while, count and 'for each in'
   Lesson: Creating Animation in Alice3
restaurant: Need restaurant with hamburgers and pizza
   Restaurant? Using AND: &&
   Lesson: Boolean Expressions: true or false
return: A function returns a value. If you write your own function, the last statement must return a value.
   Lesson: Calculations and Functions
room template, change: Change the walls, ceiling and floor in the room template.
   Editing the room template
   Lesson: Start, Save, Reopen and modify your program
say, speed: Make the witch look up, say the words slower.
   Look up, Say it slower
   Lesson: Start, Save, Reopen and modify your program
scene change, simple: Create scene procedures and change the ground and visibility of objects.
   A Simple way to change scenes
   Lesson: Advanced Techniques: The finishing touches
scene changes
   Lesson: Start, Save, Reopen and modify your program
scene change: Create scene procedures and change the ground and visibility of objects.
   A Simple way to change scenes
   Lesson: Advanced Techniques: The finishing touches
scene editor: In Alice you will be working in either the scene editor or the code editor. In the scene editor, you add all of the 3D characters, you can pose them, change the size, adjust the camera angles, and create markers.
   Lesson: Start, Save, Reopen and modify your program
scene parameters: Adding parameters makes the procedure more versatile.
   Scene Parameters
   Lesson: Scene Procedures in Alice 3
scene procedures2: The Yeti family says hello and goodbye using procedures.
   Scene Procedures2
   Lesson: Scene Procedures in Alice 3
scene procedures: Hello World using procedures.
   Scene Procedures
   Lesson: Scene Procedures in Alice 3
scene procedure: A scene procedure is a procedure you create that is not a procedure for one of the 3D models.
   Lesson: Understanding the Alice Virtual World
scene property: A scene property is a variable that is available anywhere in your project.
   Lesson: Scene Procedures in Alice 3
scene transitions: Transitions are created by fading a billboard in and out.
   Adding transitions to scene changes
   Lesson: Advanced Techniques: The finishing touches
scenes
   Both an Indoor and Outdoor Scene
   Lesson: Scene Procedures in Alice 3
scene: An Alice world can have multiple scenes. All of the 3D models that are visible at one time is called a scene.
   Lesson: Scene Procedures in Alice 3
scope of variable: Scope is where a variable is available
   Variable Scope
   Lesson: Variables in Alice 3
scope: It's important where you declare variables.
   Scope of variables
   Lesson: Creating Animation in Alice3
shapes text: In the scene editor there is a tab in the Gallery labeled Shapes/Text. Here you will find shapes such as disc, cone, cylinder, sphere, torus, and box. You will also find the billboard and the textModel. These objects do not have any subparts, but they can be moved and rotated and used in a variety of ways. For instance, the billboard can display images, the textModel can be used as scoreboard in a game, and the sphere can be colored red to create an apple.
   Lesson: Advanced Techniques: The finishing touches
shut car door: Open the car door in scene view using one shots
   Opening and shutting a car door
   Lesson: Posing Objects in Alice3
sim person: In the scene editor, in the biped class, the first few people are Sim People. When you add a sim person, a dialog window lets you select skin color, hair color and style, gender, and face shape, as well as a variety of outfits.
   Lesson: Your First program: Hello World
slitherer: The Slitherer Class includes a hermit snail, a long neck snail and nagi.
   Lesson: Introduction to Alice 3
smallest, find: The first value is the smallest and largest so far.
   Loop to add numbers and find smallest and largest
   Lesson: Calculations and Functions
sound, playing: Video shows how to import and play any mp3 file.
   Playing Sounds
   Lesson: Advanced Techniques: The finishing touches
sound: Video shows how to import and play any mp3 file.
   Playing Sounds
   Lesson: Scene Procedures in Alice 3
sound: Video shows how to import and play any mp3 file.
   Playing Sounds
   Lesson: Advanced Techniques: The finishing touches
spatial relations: Eagle flies places using place and spatial relations.
   Eagle flies around the mesa
   Lesson: Understanding the Alice Virtual World
starters: When you start a new project there is a Starters tab that lets you select from several complete scenes. For instance, the lagoon has seaweed, shells, treasure chests, stacks of coins, sand castles, caves and a pirate ship already arranged.
   Lesson: Start, Save, Reopen and modify your program
start: There are many templates: grass, sea floor, snow, room, mars, and more.
   Select a starting template
   Lesson: Your First program: Hello World
storyboard: A storyboard helps you design the entire movie: each scene shows the actors, positions, and scenery
   Storyboards
   Lesson: The Software-Lifecycle
string input: Wolf asks "What's your favorite food?", then says that is his favorite too.
   Ask the users their favorite food
   Lesson: User Input in Alice3
string: A string is one of the types that are available in Alice. A string is a word or sentence. The say procedure requires a string as an argument. For example, "Hello" is a string.
   Lesson: Variables in Alice 3
subparts: Most of the 3D models have subparts that can be manipulated to create poses and animations. A biped has about 45 subparts such as neck, leftArm, rightKnee, rightPinkyFinger, etc. A bunny also has ears and tail that can be manipulated to make him wiggle his ears or shake his tail. A car also has subparts: you can open and shut the doors. A biplane has wings and propellers.
   Lesson: Posing Objects in Alice3
substitutes: You won't find everything you want.
   Substitutions for things you can't find
   Lesson: Introduction to Alice 3
swimmer: The Swimmer class has two subclasses: Fish and MarineAnimals classes. There are 7 different fish, and 5 marine animals, including a dolphin and a walrus.
   Lesson: Introduction to Alice 3
taller: Use the function getHeight to find the taller of two animals
   Who is taller? Finding larger of 2
   Lesson: Boolean Expressions: true or false
tallest: People are in an array, a loop is used to find the tallest.
   Who's the tallest?
   Lesson: Arrays: Working with lists of objects
template: When you start a new Alice project you can select from one of several templates such as grass, water, or Mars. You can easily change this in the scene setup window and there are more templates available.
   Lesson: Start, Save, Reopen and modify your program
template: You must select a template such as Grass or Mars with just sky and ground, or one of the templates shuch as Africa which include scenery.
   Lesson: Introduction to Alice 3
this: The keyword "this" refers to whichever object is currently active.
   Lesson: Class Procedures in Alice3: Reusable Code
timer event: Using the timer event, the penguin says "Help!" at random intervals.
   A Timer Event
   Lesson: Events: Responding to the Mouse and Keyboard
timer: You can set a timer to go off at a specific interval, then write code for what to do when that happens. This is called an event.
   Lesson: Events: Responding to the Mouse and Keyboard
toddler-counting: A while block is a control structure that loops (repeats) while a condition if true. The statement while(count<5) will cause the block to execute until count is 5 or more. The statement while(True) will create an endless or infinite loop.
   While Loop
   Lesson: Creating Animation in Alice3
top-down: A Scene Procedure is code that is separate from myFirstMethod
   Scene Procedure for Top-Down Design
   Lesson: Scene Procedures in Alice 3
topdown design
   Move code to procedures
   Lesson: Scene Procedures in Alice 3
total loop2, smallest: The first value is the smallest and largest so far.
   Loop to add numbers and find smallest and largest
   Lesson: Calculations and Functions
total loop: A loop to add numbers uses a running total: total=total + number
   Loop to add numbers
   Lesson: Calculations and Functions
total: A variable (called an accumulator) can be used to find the total of several items.
   Lesson: A Little Math
transport: The Transport class has 4 subclasses: Aircraft (6 models, including HotAirBalloon, Biplane, Helicoper and UFO), Automobiles (14 models), Trains (3 models) And Watercraft (5 models). All of these models have subparts that can be manipulated.
   Lesson: Introduction to Alice 3
truthtable: Video creates a truth table in Excel.
   Truth table for Rock, Paper, Scissors game
   Lesson: The Software-Lifecycle
turn head: Use a variable for the amount to turn head, use it to turn to left and right.
   Troll turns head
   Lesson:
type drill: See if you can select the correct type.
   Drill on type
   Lesson: Variables in Alice 3
type: In programming, type refers to whether a value is integer, double, string, or some other category.
   Lesson: Variables in Alice 3
Using OR: Children and Seniors pay $10 admission. Everyone else pays $15
   Discount? Using OR: ||
   Lesson: Boolean Expressions: true or false
variable scope: Scope is where a variable is available
   Variable Scope
   Lesson: Variables in Alice 3
variable, use for ease of modification: Use variables to make changes easier
   Variables for ease of modification
   Lesson: Variables in Alice 3
variables: What is a variable?
   Variables
   Lesson: Variables in Alice 3
variable: A variable is a named location that can store a value. A variable can have a primitive type such as Integer, Double, but the type can also be a Class such as paint color or Biped.
   Lesson: Variables in Alice 3
vehicle camera: Video show how to assign a vehicle to the camera.
   A UFO as the vehicle for the camera
   Lesson: Advanced Techniques: The finishing touches
vehicle monkey banana: In Alice, a vehicle is not necessarily a car or train, but it could be. If you want the monkey to hold a banana, you position the banana in the monkeys hand, then make the hand the vehicle for the banana. When you move the monkeys hand, the banan will move too. You can also set a vehicle using code.
   Using Vehicles: Monkey holding Banana
   Lesson: Setting up the Alice Virtual World
vehicle penguin egg: Position the egg on penguins feet, then make the penguin the vehicle for the egg
   Using Vehicles: A penguin and Egg
   Lesson: Setting up the Alice Virtual World
vehicle: A vehicle is not the same as an instance of the Transport class. In Alice, a vehicle is an object that is assigned to another object so that they move together. For instance, we can make the Pixies hand the vehicle for the magic wand, then when the pixie moves her hand the wand moves with it. You can also make the UFO the vehicle for the camera. As the UFO soars around the mesa, the camera moves with it.
   Lesson: Setting up the Alice Virtual World
vehicle
   Lesson: Advanced Techniques: The finishing touches
vertical movement: Use the handles to turn, roll, and move any of the objects in your project.
   Moving vertically
   Lesson: Setting up the Alice Virtual World
void: A method that does not return a value has a return type of void. A procedure is a void method.
   Lesson: Class Procedures in Alice3: Reusable Code
walking algorithm: Get into position, take three steps, return to starting position.
   A Walking algorithm
   Lesson: Creating Animation in Alice3
walking procedure: A procedure for a biped to walk can be used for any biped.
   Anyone can walk
   Lesson: Class Procedures in Alice3: Reusable Code
while loop: A while block is a control structure that loops (repeats) while a condition if true. The statement while(count<5) will cause the block to execute until count is 5 or more. The statement while(True) will create an endless or infinite loop.
   Lesson: Creating Animation in Alice3
width: The width is one of the properties of all 3D objects. The function getWidth is used to retrieve its current value. The setWidth procedure is used to change the value. The width, height and depth properties will stay in proportion.
   Lesson: Class Procedures in Alice3: Reusable Code
world: In Alice, you create a world, or virtual world, by adding 3D models, arranging them, selecting fog and other settings for the story you want to tell.
   Lesson: Introduction to Alice 3
xyz: In a 3D world, each object has a position given as values for x, y, and z.
   Lesson: Setting up the Alice Virtual World
x: For the x position, 0 is in the middle, positive values are to the right, negative values are to the left.
   Lesson: Setting up the Alice Virtual World
y: For the y position, 0 has the pivot point on the ground, positive values are up in the air, negative values are buried in the ground
   Lesson: Setting up the Alice Virtual World
z: For the z position, 0 is in the middle, positive values are in the back, negative values are closer to the camera.
   Lesson: Setting up the Alice Virtual World