Knowledge Base

Trail Blocks

output-onlinepngtools__231_.png  spike_robot.jpgThese blocks work for both EV3, SPIKE™, and Ruby!  output-onlinepngtools__101_.png


The Gadgets menu contains the trail blocks, which enable your robot to leave a trail behind it and draw geometric shapes or create beautiful artwork. This also be can be useful for debugging your code. 

Drag a 'start trail' block into your code and choose its color from the menu.

You can also use a Random Color in the trail.
To stop the trail, use a 'stop trail' block:


If the robot is configured with more than one trail drawer, they will appear in the drop-down menu of the block and you can choose which trail to operate in each block:




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