Tinkering implementation of turtle graphics for educational purpose.
Have a look at src/examples.
Click the control buttons to move forward/backward, turn left/right 45掳/90掳, move the pen up/down, change the pen color and width, and undo the last operation.
| Key | Function |
|---|---|
| Cursor up | Forward |
| Cursor down | Backward |
| Cursor left | Turn left 45掳 |
| Cursor right | Turn right 45掳 |
| Space | Pen down |
| Escape | Pen up |
| Backspace | Undo last operation |
| API | Description |
|---|---|
forward(d) |
Move forward with d distance |
backward(d) |
Move backward with d distance |
left(a) |
Turn left with a degree |
right(a) |
Turn right with a degree |
penDown() |
Move pen down |
penUp() |
Move pen up |
pen.color |
Set pen color (color/gradient/pattern) |
pen.width |
Set pen width |
pushState() |
Explicitly add new new state from current state (e.g. for pen change) |
popState() |
Removes the last state (i.e. undo) |
resetStates() |
Remove all states and create a new with the current state |
| API | Description |
|---|---|
mainLoop() |
Start the main loop |
init() |
Reset state index to start (replay states) |
Assuming we're using Yarn.
yarn
yarn devAnd then browse to http://localhost:5173/.