Animation 3 show the robot
moves around an environment where the robot have to avoid 5 different obstacles.
Picture 1 shows the inital point (the blue ball at the lower right corner)
and the goal point (the blue ball at the upper left corner). Picture 2
shows the 3D RRT formed around the obstacles. Picture 3 shows the filtered
path to go from the initial point to the goal point. Picture 4 and picture
5 shows the slanted view angle to show that the RRT and path did not collide
with the obstacles. Picture 6, picture 7, and picture 8 show the different
view angles of the original RRT when the obstacle were removed.