Now with a simple phratch script, we can control the Ev3 screen. It is a new range of possibilities that is open. The script is simple, as shown in the following picture.
First, I clean the screen, removing also the header line. Then, for the animation, I draw vertical lines on all the screen and I remove them. Finally, I display the text with some circles. Each time I draw something, I send the command “update screen” to make appear the figures.
You can see in the following video the result.