Page 55 - RoboGenius Pro C7

HIDDEN PIXEL ART

Hidden Pixel Art is an activity where students program a robot to detect colours using sensors. The
robot moves across a virtual grid, gradually revealing a hidden design or pattern.
The code and output are as follows:

when started

clear all rows

set drive velocity to 100 %

set turn velocity to 100 %

drive forward for 1600 mm

turn right for 90 degrees

repeat 8

set cursor to next row

repeat 8

if DownEye detects green ? then

set print color green

print X
else

set print color blue

print X

drive forward for 200 mm

drive reverse for 1600 mm

turn right for 90 degrees

drive forward for 200 mm

turn left for 90 degrees

The explanation of the code is as follows:
The program begins when the when started block is triggered.

Getting Started with VEXcode VR
53