simple motion, simple drawing, simple variables, basic math, direction and turning, variables, pen color, delays, pen shade, advanced messaging, miscellaneous, pen size, simple loops, simple conditionals, advanced physics
- Spiral Triangles
- Touch anywhere to change the pen color. By changing the angle slightly, you can draw different shapes. Change the code and see what you can draw.
- background scene - grid
- Twister Turtle - turtle