Reference Guide - Playful Invention · TurtleArt Reference Guide Playful Invention Company...

2016 © Playful Invention Company

Reference Guide

TutleArt Interface

Editor

Run the main stack

Stop button

Save the current project and exit to the Home page

Save and exit

Hide the blocks

Tap anywhere on the black border toshow the blocks

Open the Options Menu

Tap the stack to run

Show the tools

Tap anywhere onthe canvas to run the program again

Close without saving

Tap to select a category ofprogramming blocks:

- Turtle - Pen- Math- Flow- My Blocks

TurtleArt Reference Guide Playful Invention Company

set color

0

set shade

50

repeat 4

forward 100

right 90

TutleArt Interface

The backpack is a place where you may temporarily store stacks.

It allows you to copy and paste stacks from one project to another.

Tap to clean the screen and return the turtle to the center.

Tap to select the tool, then tap on a stack to delete it.

Tap to select the tool, then tap on a stack to get a copy.

Save a copy of the current project.

Open or close the Backpack.

Zoom out to see the entire programming canvas.

Close the current project and exit to the Home page.

Backpack

Drag and drop stacks here, to store them temporarily

Drag them out to get a copy

Tools

Undo.

Redo.

Options Menu


TutleArt Interface

Home Page

Gallery name

Open the Gallery Panel

Tap a thumbnail to open a project.

Touch and hold a thumbnail to copy to the clipboard, take a snapshot, or delete the project.

Tap the empty thumbnail to start a

new project

Touch and hold the empty thumbnail to paste the contents

of the clipboard.

Tap to edit the name

Gallery Panel

Gallery name Tap to close

Add a gallery

Tap to see this gallery’s thumbnails

Tap on a thumbnail to move the project to the current gallery

Tap to switch galleries


TutleArt Tips and Tricks

Find out what a block does

Colors and Shades

Color

Shade

Touch and hold a block to see what it does.

The color numbers in TurtleArt are between 0 and 100. The shade numbers are between 0 and 100.

The default color is 0 and the default shade is 50.Black color is -9999 and shade 0.White is color -9999 and shade 100.

0

0

10

10

20

20

30

30

40

40

50

50

60

60

70

70

80

80

90

90

100

100

clean

forward 100

forward

forward 100

number of steps

moves the turlte 100 steps forward



Two Handed Gestures

In order to keep a palette open, use your left hand to hold on the palette and your right to drag blocks.


clean

forward back

right left

setheading

arc

setxy

x

y

heading

yxy

arc

Tap on , then touch and hold on .

With the other hand, tap on all the stacks you want to delete.

When you are done deleting, release the scissors.

clean

forward 100

Tap on , then select .

Hold and drag the stack you want to copy.

clean

forward 100

cleancleanlclea

rd

ean

ar

eannan

100010000000011100110dd

clean

forward 100


Coordinate System


TurtleArt works with a coordinate system. The Turtle’s de-fault position is (0, 0), which is the middle of the TurtleArt canvas.

-60-60

100100

Y

Move and turn the turtle

Move the turtle by dragging it by its shell.

Turn the turtle by dragging it by its nose.


Defining Procedures

Place a hat on top of a stack. Tap to give it a name.

A block with that name will appear on the yellow blocks palette. Use that block alone or in other stacks.


penup

forward 6

pendown

forward 6

dash

penup

forward 6

pendown

forward 6

repeat 10

dash

Local Boxes

To add an input, drag a box block (box 1, 2, or 3) and drop it on a named hat.

Change the input to temporarily change the value of the box.

Hats can have a maximum of 2 inputs.

dash

pen up

forward 6

pendown

forward 6

box1

dash

penup

forward

pendown

forward 6

6

box1

dash

box1

penup

forward box1

pendown

forward box1

repeat 10

dash 10

input


Save to Camera Roll

Touch and hold on the thumbnail and choose

The TurtleArt image will then be copied to your camera roll.


Magritte Bird

TutleArt Blocks

Turtle


clean

Clear the screen and reposition the turtle to the center.clean

left

Turn the turtle left.left

right

Turn the turtle right.right

back

Move the turtle backward.back

forward

Move the turtle forward.forward

set heading

Set the heading of the turtle.

set heading

heading The heading of the turtle.

heading

arc

Draw an arc.

arcangle

radius

Set the position of the turtle.

setxyx

y

setxy

y coordinate

The y (vertical) coordinate of the turtle.

y

The x (horizontal) coordinate of the turtle.

x

x coordinate

TutleArt Blocks

Pen


pensize

The width of the turtle’s pen.

set pen size

Set the width of the turtle’s pen.

Fill the screen with a color and a shade.

fill screen

pen up

Raise the turtle’s pen so that it will not draw. pen

up

pensize

fill screen

color

shade

end fill

set shade

color

The color of the turtle’s pen.

set color

Set the color of the turtle’s pen. color set color

set pensize

pen down

pen down

Lower the turtle’s pen so that it will draw.

shade

shade

The shade of the turtle’s pen.

set shade

Set the shade of the turtle’s pen. set

shade

start fill

start fill

Mark the start of an area to be filled.

end fill

Mark the end of the area and fill it.

TutleArt Blocks

Numbers


Arithmetic in TurtleArt proceeds from left to right. 1+2*3 is read as (1+2)*3 not 1+(2*3).

>

subtract

Subtract one number from another.

add

Add two numbers.

number

set shade

A number to be used as an input.

+

0

random

Generate a random number between the two specified values.

one of

Choose one of two numbers.one ofrandom

divide

Divide one number by another.

multiply

Multiply two numbers.

modulo

Calculate the remainder when dividing two numbers.

/X

%

-

less

Test if one number is less than another.

greater

Test if one number is greater than another.

equal

Test if two numbers are equal.

<

=

TutleArt Blocks


print

)(

close bracket

Close the parenthesis.

open bracket

Open a parenthesis. set

shade

print

Print a number.

Flow

wait

Wait for some time (in tenths of seconds).

forever

Run some blocks over and over.wait forever

stop

Stop the stack that is running.

horizontal spacer

A spacer for layout purposes.

vertical spacer

A spacer for layout purposes.

stop

if

Conditionally run some blocks.

repeat

Repeat some blocks a specified number of times.

set shade

ifrepeat

TutleArt Blocks

My Blocks


hat

Name a stack to create your own block.

store in box

Store a number in a box.

set shade

box

The current value of a box.box1 store in box1

Reference Guide - Playful Invention · TurtleArt Reference Guide Playful Invention Company...

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