returning to the curve after distance from point established
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Hi, I'm writing some code to determine the coordinates of the points of a line that are r distant from each other. I'm using an intuitive process of convergence toward a desired r through a distance d in a loop.
while abs((d-r)/(d+r))*100>t
if d<r
x(inizio)=(x(fine)+x(inizio))/2;
y(inizio)=(y(fine)+y(inizio))/2;
d=d+sqrt((x(inizio)-x(fine))^2+(y(inizio)-y(fine))^2);
else if d>r
x(fine)=(x(fine)+x(inizio))/2;
y(fine)=(y(fine)+y(inizio))/2;
d=d-sqrt((x(inizio)-x(fine))^2+(y(inizio)-y(fine))^2);
The problem is that since I create iteratively new points ( x(fine) and so on) every time I'm going to find new coordinates that are not on the line I inputed in the script. Do you have any idea how to stay on this line? Thanks a lot, I know I'm not clear (maybe if you ask me something directly I'll make my self clearer).
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