PlayTurtle

Play Turtle

Play Turtle provides a way for children to learn programming by moving a turtle on the screen

It provides a subset of commands found in Python's Turtle module to abstract away complicated programming ideas.

Table of Contents

• Installation
• Commands

Installation

There are multiple ways to install Play Turtle

With pip

$ pip install playturtle
# Provides the play-turtle command

Clone the repo and run locally

$ git clone https://github.com/mordy-python/PlayTurtle
$ cd PlayTurtle
$ python playturtle.py
# Can also install with `pip install .`
# Will provide the `play-turtle` command 

Play Turtle Commands

• Forward
• Back
• Right
• Left
• Speed
• Width
• Shape
• Square
• Circle
• Color
• Hide
• Show
• Begin fill
• End fill
• Bgcolor

Forward

• Syntax
  • Command: forward
  • Parameters: distance
• What it does
  • The forward command moves the turtle on the screen, drawing a line behind it.
  • The distance parameter tells the turtle how far to move.

Back

• Syntax
  • Command: back
  • Parameters: distance
• What it does
  • The back command moves the turtle backward on the screen, drawing a line in front of it.
  • The distance parameter tells the turtle how far to move.

Right

• Syntax
  • Command: right
  • Parameters: degrees
• What it does
  • The right command turns the turtle right.
  • The degrees parameter tells the turtle how many degrees to rotate.

Left

• Syntax
  • Command: left
  • Parameters: degrees
• What it does
  • The left command turns the turtle left.
  • The degrees parameter tells the turtle how many degrees to rotate.

Speed

• Syntax
  • Command: speed
  • Parameters: new-speed
• What it does
  • The speed command sets the turtles drawing speed.
  • The new-speed parameter tells the turtle how fast it should move.

Width

• Syntax
  • Command: width
  • Parameters: new-width
• What it does
  • The width command sets the turtles width (in pixels).
  • The new-width parameter specifies what the new width of the turtle should be.

Shape

• Syntax
  • Command: shape
  • Parameters: new-shape
• What it does
  • The shape command changes the turtle's shape.
  • The new-shape parameter specifies what shape should be displayed.

    Note: The new-shape parameter can only be on of the following: arrow, circle, turtle, square, triangle, classic

Square

• Syntax
  • Command: square
  • Parameters: side-length
• What it does
  • The square command draws a square on the screen
  • The side-length parameter determines how long the sides of the square will be

Circle

• Syntax
  • Command: circle
  • Parameters: radius
• What it does
  • The circle command draws a circle on the screen
  • The radius parameter determines how big the circle will be

Color

• Syntax
  • Command: color
  • Parameters: new-color
• What it does
  • The color command changes the color of the turtle and of the lines it draws
  • The new-color parameter specifies what color to change to

    See a list of all named colors here

Hide

• Syntax
  • Command: hide
  • Paramters: none
• What it does
  • The hide command hides the turtle. It will still draw, it just won't be visible

Show

• Syntax
  • Command: show
  • Paramters: none
• What it does
  • The show command shows the turtle if it's hidden. If it's already visible, it does nothing

Begin Fill

• Syntax
  • Command: begin-fill
  • Paramters: none
• What it does
  • The begin-fill command will start the fill process using the current color. However, nothing will be filled until end-fill is called.

End Fill

• Syntax
  • Command: end-fill
  • Paramters: none
• What it does
  • The end-fill command will fill any shapes drawn in between the begin-fill command and itself. If there was no begin-fill command, end-fill will do nothing.

Bgcolor

• Syntax
  • Command: bgcolor
  • Paramters: new-color
• What it does
  • The bgcolor command changes the background color of the canvas
  • The new-color paramter specifies what color it should change to

    See a list of all named colors here