Let C be the square oriented counterclockwise with corners (0,0), (8,0), (8,8), and (0,8). If we label the edges of the square as Câ, Câ, Câ, Câ starting from the bottom edge going counterclockwise, then the edges may be linearly parameterized, with 0 ⤠t ⤠8, by:
edge Câ
xâ(t)=