Press the green flag to see patterns. Experiment with the four slider variables: angle - will effect the the turn of the spiral speed - will effect how fast the dots move pen size - will effect the thickness of the lines pen change - will change the colour of the lines Other key strokes: space key - clears the screen and a new pattern will begin up arrow - shows the four sliders down arrow - hides the four sliders right arrow - hides the dots after a short pause left arrow - shows the dots '1' key - sets angle=7 & speed= 10 '2' key - sets angle=2 & speed=1
Inspiration from 'Coding Projects in Scratch: A Step-By-Step Visual Guide to Coding Your Own Animations, Games, Simulations' (a DK Help Your Kids book - ISBN 978-1465477347)