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22 lines
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3.2 KiB
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<title>Rect — Ludic</title>
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<meta name="description" content="Axis-aligned rectangles for HUD layout boxes, hitboxes, and camera regions.">
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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> <span class="here">Rect</span></div>
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<div class="item-head"><span class="kind-badge kind-namespace">namespace</span><h1 id="top">Rect</h1></div>
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<p class="ns-blurb">Axis-aligned rectangles for HUD layout boxes, hitboxes, and camera regions. A <code>Rect</code> is four Q16.16 <code>fixed</code> components — position <code>(x, y)</code> (its top-left corner) and size <code>(w, h)</code> — packed into a single value that is copied by value and never allocates. It offers fast point-in-rect and rectangle-overlap tests. Every operation is deterministic fixed-point, bit-identical on every platform. Arguments are positional.</p>
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<div class="ns-methods"><a class="ns-method" href="rect-make.html"><code class="nm-sig">Rect.make(x, y, w, h) -> Rect</code><span class="nm-tip">Build a rectangle from a corner and a size.</span></a><a class="ns-method" href="rect-x.html"><code class="nm-sig">Rect.x(r) -> fixed</code><span class="nm-tip">The left edge (x position).</span></a><a class="ns-method" href="rect-y.html"><code class="nm-sig">Rect.y(r) -> fixed</code><span class="nm-tip">The top edge (y position).</span></a><a class="ns-method" href="rect-w.html"><code class="nm-sig">Rect.w(r) -> fixed</code><span class="nm-tip">The width.</span></a><a class="ns-method" href="rect-h.html"><code class="nm-sig">Rect.h(r) -> fixed</code><span class="nm-tip">The height.</span></a><a class="ns-method" href="rect-right.html"><code class="nm-sig">Rect.right(r) -> fixed</code><span class="nm-tip">The right edge, x + w.</span></a><a class="ns-method" href="rect-bottom.html"><code class="nm-sig">Rect.bottom(r) -> fixed</code><span class="nm-tip">The bottom edge, y + h.</span></a><a class="ns-method" href="rect-center.html"><code class="nm-sig">Rect.center(r) -> Vector</code><span class="nm-tip">The center point as a Vector.</span></a><a class="ns-method" href="rect-contains.html"><code class="nm-sig">Rect.contains(r, px, py) -> bool</code><span class="nm-tip">True when the point is inside.</span></a><a class="ns-method" href="rect-intersects.html"><code class="nm-sig">Rect.intersects(a, b) -> bool</code><span class="nm-tip">True when two rectangles overlap.</span></a></div>
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