At first, I was going to build a maze and the line tracer would find a path automatically,but I have a problem finding the path and I have trouble to solve it.
I will show my step on doing this part.
I use cuboids to build a maze and change their object special properties. And then, I add two dummy, one for start and one for end. Adjust their positions and orientations. Finally, add a path.
Setting path planning. Start at dummy-start end at dummy-end. And change the search range. And it's done.
Unfortunately, it only can't find the short cut path.