34 lines
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2.4 KiB
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34 lines
No EOL
2.4 KiB
HTML
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<head>
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<title>Input.key_down — Ludic</title>
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<meta name="description" content="Is a physical key held this frame?">
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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-input.html">Input</a> <span>›</span> <span class="here">Input.key_down</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">Input.key_down</h1>
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</div>
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<code class="sig">Input.key_down(key) -> bool</code>
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<div class="desc"><p>Returns whether a physical <code>key</code> is held this frame — from the platform when windowed, from the polled key when headless, and from <a href="input-press.html"><code>Input.press</code></a> injection on any target. Unlike the single-key <a href="input-down.html"><code>Input.down</code></a>, several keys can be held at once (move left <em>and</em> jump). Every key on the keyboard has a code: letters, digits and punctuation are their US-layout character, Space, Enter, Esc, Tab, Backspace, Shift, Ctrl and Alt their usual ones, the arrows 128-131, and the keys that type nothing 132-166 - F1-F12 at 132, Home, End, PageUp, PageDown, Insert and Delete at 144, Caps Lock at 150, the numpad digits at 152 and its <code>*</code>, <code>+</code>, <code>-</code>, <code>.</code> and <code>/</code> at 162. <code>Key.F1</code>, <code>Key.Home</code> and <code>Key.Numpad0</code> name them.</p></div>
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<div class="examples"><h2>Example</h2><pre data-lang="ludic">program Demo {
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entry {
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Input.press('a')
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Input.poll()
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if Input.key_down('a') { print(1) }
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}
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}</pre></div>
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<script>Ludic.highlightAll(); Ludic.installCards(); Ludic.flashTarget();</script>
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