Svg - javascript

Question

how can I creat a SVG with the coordinates of 2 other SVG which the user can move ?
example :
the user move SVG-1<rect> to:
x=0 y=0 (width=50 height=50)
and move the SVG-2 <rect> to:
x=10 y=50 (width=50 height=50)
and then creat a third SVG-3 (unvisible) with coordinates:
x1=0 (x of SVG-1)
y1=0 (y of SVG-1)
x2=60 (x+50 of SVG-2)
y2=100 (y+50 of SVG-2)
and of course when the user move of the 2 SVG <rect> the coordinates of SVG-3 will actualise
(sorry for my bad english...)
thanks

Answer 1

I've already creat the twice svg draggable but idk how to creat the third

Answer 2

@Andrew G https://code.sololearn.com/Wwa6aJ14PQls/?ref=app

Answer 3

but my code need animation and in sololearn it doesn't work, so I don't have this code on SL...
I will creat a code just with this 2 elements

Answer 4

I havent could. Im interesting because in other way I think we must to use canvas

Answer 5

you have Xa and Ya the left up corner of bloc-1.
You have Xb and Yb the right down corner of bloc-2.
I want a new <rect> with the coordinates Xa,Ya;Xb,Yb.

Answer 6

with a draw I can shiw you easily, have you discord ?