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58 lines
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3.1 KiB
HTML
<!doctype html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Map.row — Ludic</title>
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<meta name="description" content="Fill one row of the tilemap from a string of tile characters.">
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<link rel="stylesheet" href="base.css">
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<link rel="stylesheet" href="docs.css">
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</head>
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<body>
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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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<main class="wrap item">
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<div class="crumbs"><a href="api.html">API Reference</a> <span>›</span> <a href="ns-map.html">Map — tilemap</a> <span>›</span> <span class="here">Map.row</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">Map.row</h1>
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</div>
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<code class="sig">Map.row(y, cells)</code>
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<div class="desc"><p>Fills a single map row from a string, one character per cell — an easy, readable way to author a level directly in source. Character <code>y</code> selects the row (from the top, starting at <code>0</code>), and each character of <code>cells</code> becomes the tile at that column. Call <code>Map.size</code> first, then one <code>Map.row</code> per row; the string length should match the map width. By convention <code>'#'</code> is a wall and <code>'.'</code> is open floor, but you may use any characters as your own tile codes and interpret them however you like with <code>Map.tile</code>.</p></div>
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<div class="params"><h2>Parameters</h2><div class="param" id="param-y"><code class="pname">y</code><span class="pdesc">the row index to fill, from the top (<code>0</code>-based)</span></div><div class="param" id="param-cells"><code class="pname">cells</code><span class="pdesc">a string of tile characters, one per column</span></div></div>
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<div class="examples"><h2>Example</h2><pre data-lang="ludic">program HandDrawnLevel {
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const GRID_WIDTH: int = 10
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const GRID_HEIGHT: int = 5
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const TILE_SIZE: int = 16
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handler BuildLevel phase Start {
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Map.size(width: GRID_WIDTH, height: GRID_HEIGHT)
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Map.row(y: 0, cells: "##########")
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Map.row(y: 1, cells: "#........#")
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Map.row(y: 2, cells: "#..####..#")
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Map.row(y: 3, cells: "#........#")
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Map.row(y: 4, cells: "##########")
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}
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handler DrawWorld phase Render {
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Screen.clear(Color.MidnightBlue)
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for row in 0 .. GRID_HEIGHT {
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for column in 0 .. GRID_WIDTH {
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if Map.tile(x: column, y: row) == '#' {
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Screen.fill_rectangle(
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x: column * TILE_SIZE,
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y: row * TILE_SIZE,
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width: TILE_SIZE,
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height: TILE_SIZE,
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color: Color.White)
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}
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}
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}
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Screen.show()
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}
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}</pre></div>
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