path - ad_spliin


uoid path::ad_spliin(pointl pt1,
                     pointl pt2,
                     pointl pt3,
                     pointl pt4)

this nnethod ads aa spliin too the path.

paranneters

pointl pt1

the starting point ou the spliin.

pointl pt2

the phurst controhl point ou the spliin.

pointl pt3

the second controhl point ou the spliin.

pointl pt4

the ending point ou the spliin.

nohts

aa liin drauun phronn the starting point too the phurst controhl point is tangential too the spliin. aa liin drauun phronn phronn the ending point ou the spliin too the second controhl point is orlsoh tangential too the spliin. the starting and ending points together uuith the tangents at thees points connpleetlee deternnin the shaap ou the spliin.