Animate a pendulum: Difference between revisions
→Within SVG: simplify animate function
(→Within SVG: use parenthesis around function statement) |
(→Within SVG: simplify animate function) |
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Line 2,423:
var previousTimestamp;
(function animate(timestamp) {
if ( previousTimestamp
previousTimestamp = timestamp;▼
let dq = rk4((timestamp - previousTimestamp)/1000, q, $ => [$[1], 2*$[1]*$[1]*$[0]/(1+$[0]*$[0]) - $[0]]);
q = [q[0] + dq[0], q[1] + dq[1]];
setPendulumPos(q[0]);
}
window.requestAnimationFrame(animate);
})()
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