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32 lines
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1.8 KiB
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<title>Math.cos — Ludic</title>
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<meta name="description" content="Cosine of an angle in radians.">
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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-math.html">Math</a> <span>›</span> <span class="here">Math.cos</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">Math.cos</h1>
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</div>
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<code class="sig">Math.cos(radians) -> fixed</code>
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<div class="desc"><p>Returns the cosine of <code>radians</code> as a <code>fixed</code> in <code>-1.0</code>..<code>1.0</code>, computed as <code>Math.sin(radians + pi/2)</code> off the same deterministic table. Use <code>Math.cos</code> and <code>Math.sin</code> together to convert an angle into an <code>(x, y)</code> direction — for orbits, aiming, or steering.</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 x = center_x + Math.cos(angle) * radius
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}
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}</pre></div>
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