\text{Pre deliaci pomer }λ\text{ musí platiť:}\
(C-A)=λ·(B-C) \; ⇔ \; \overrightarrow{AC}=λ·\overrightarrow{BC}

\text{Pohybujte bodom }C.

O: (0, 0, 0)
D = (0, -2, 0)
E = (4, 0, 0)
p = Line(O, E)
n = Line(D, O)
A: (1, 1, 1)
B: (2, 0, -1)
h = Line(A, B)
q = Line(E, O)
α: (2 * x) - (3 * y) + (2 * z) = 0
C = Intersect(h, α)
f: z = 0
g = OrthogonalLine(C, f)
F = Intersect(g, f)
i = Segment(C, F)
j = OrthogonalLine(A, f)
G = Intersect(j, f)
k = Segment(A, G)
l = OrthogonalLine(B, f)
H = Intersect(l, f)
m = Segment(H, B)
I = Intersect(h, f)