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<!doctype html>
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<title>Light.clear_normals — Ludic</title>
<meta name="description" content="Forget every stamped normal — call once per frame before re-stamping.">
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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-light.html">Light</a> <span>›</span> <span class="here">Light.clear_normals</span></div>
<div class="item-head">
<span class="kind-badge kind-method">method</span>
<h1 id="top">Light.clear_normals</h1>
</div>
<code class="sig">Light.clear_normals()</code>
<div class="desc"><p>Clears the normal buffer set by <a href="light-normal"><code>Light.normal</code></a>, so every pixel is flat again (lit by distance only). Call it once per frame before re-stamping the surfaces that should shade by facing this frame — the same clear-then-register rhythm as <a href="light-clear_occluders"><code>Light.clear_occluders</code></a>. A no-op if no normal was ever stamped.</p></div>
<div class="examples"><h2>Example</h2><pre data-lang="ludic">program Demo {
property Wall { x: int = 0, y: int = 0 }
model Block { Wall }
handler Render phase Update {
Screen.clear(0)
Light.clear_normals()
Light.normal(60, 50, 16, 24, 0.7, 0.0)
Light.point(120, 62, 90, Color.rgb(255, 240, 200), 1.0)
Screen.show()
}
}</pre></div>
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