Animate a pendulum: Difference between revisions

m
→‎Within SVG: minor simplification
(→‎Within SVG: remove M function)
m (→‎Within SVG: minor simplification)
Line 2,404:
const string = document.getElementById("string"),
ball = document.getElementById("ball");
let $2 = $*$,
m[x, y] = [2*$/(1+$2),(1-$2)/(1+$2)],;
x = m[0],
y = m[1];
string.setAttribute("x2", x);
string.setAttribute("y2", y);
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