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1.7 KiB
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32 lines
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1.7 KiB
HTML
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<head>
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<title>Ease.in_out — Ludic</title>
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<meta name="description" content="Ease in and then out (smoothstep).">
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<header class="nav"><div class="wrap nav-in"><a class="brand" href="index.html"><span class="logo">L</span> Ludic</a><button class="nav-toggle" aria-label="Toggle menu" aria-expanded="false">☰</button><nav class="nav-links"><a href="index.html">Home</a><a href="api.html">API Reference</a><a class="nav-cta" href="https://git.workshopsoft.io/workshopsoft/ludic">Source ↗</a></nav></div></header>
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<div class="crumbs"><a href="api.html">API Reference</a> <span>›</span> <a href="ns-ease.html">Ease</a> <span>›</span> <span class="here">Ease.in_out</span></div>
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<div class="item-head">
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<span class="kind-badge kind-method">method</span>
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<h1 id="top">Ease.in_out</h1>
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</div>
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<code class="sig">Ease.in_out(t) -> fixed</code>
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<div class="desc"><p>Returns the smooth <code>3t^2 - 2t^3</code> S-curve: slow at both ends, fastest in the middle. Use it for a polished there-and-back or point-to-point move that neither jerks off the mark nor slams into the target.</p></div>
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<div class="examples"><h2>Example</h2><pre data-lang="ludic">program Demo {
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handler Step phase Update {
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let a = Math.lerp(0.0, 1.0, Ease.in_out(progress))
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}
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}</pre></div>
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<script src="ludic-highlight.js"></script>
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<script>Ludic.highlightAll(); Ludic.installCards(); Ludic.flashTarget();</script>
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