This is yet another turtle implementation, but this time for the godot game engine.
This is of course heavily inspired by the
original LOGO turtle,
but also from the excellent Learn GDScript From Zero from GDQuest.
However, i wanted a version where students were able to do a bit more freestyling in the classroom, and in their actual Godot environment. And thus, this project came to be.
You can simply download this project, and import it into Godot. This will provide a project with a Main scene + script, and the turtle implementation hidden away in a addons/turtle subfolder.
The Main script will have a simple _main() function that draws a square.
extends Turtle
func _main():
for i in 4:
forward(100)
left(90)
Soon, this will hopefully also be found in the godot asset store.
These are the commands that can be used to control the turtle.
| Command | Description |
|---|---|
forward(distance) |
Moves the turtle forward the specified distance, while drawing. |
left(degrees) |
Turns the number of degrees left |
right(degrees) |
Turns the number of degrees right |
turn_to(degrees) |
Turns to the specified angle, where 0 is pointing to the right |
jump(distance) |
Jumps the distance forward without drawing |
set_color(color) |
Changes the drawing color, example: Color.RED, or rgb_color(r,g,b) |
set_width(width) |
Changes the drawing width in pixels. Default is 4 |
A few hotkeys can be used while the turtle is drawing
| Key | Function |
|---|---|
| Q / Escape | Quit |
| P | Pause/Unpause the drawing |
| T | Toggle Turbo mode |
To handle the mismatch between the simple synchronous code that i want the users to write, and the asynchronous nature of the game engine with animations and visual feedback, the turtle code commands runs in a separate thread, and is simply blocked while the animation of the drawing is processed.