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29 lines
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1.7 KiB
HTML
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<title>Random.weighted — Ludic</title>
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<meta name="description" content="An index drawn in proportion to its weight.">
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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-random.html">Random</a> <span>›</span> <span class="here">Random.weighted</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">Random.weighted</h1>
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<code class="sig">Random.weighted(weights: []int) -> int</code>
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<div class="desc"><p>Picks an index into <code>weights</code> with probability proportional to the weight (a weight of 0 is never picked); -1 when every weight is 0. Deterministic, from the seeded RNG. A loot table, a spawn roster, a random event.</p></div>
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<div class="examples"><h2>Example</h2><pre data-lang="ludic"># doc-check: skip — illustrative
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let pick = roster[Random.weighted(weights: weights)]</pre></div>
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