docs: regenerate site from f094acfdb5
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phase-render.html
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phase-render.html
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<!doctype html>
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<html lang="en">
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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>Render — Ludic</title>
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<meta name="description" content="The last per-frame phase — draw the world, then call Screen.show() once.">
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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="api.html#phases">Phases</a> <span>›</span> <span class="here">Render</span></div>
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<div class="item-head">
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<span class="kind-badge kind-phase">phase</span>
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<h1 id="top">Render</h1>
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</div>
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<code class="sig">phase Render</code>
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<div class="desc"><p><code>Render</code> is the final phase of every frame, run after all the logic phases (<code>Input</code>, <code>FixedUpdate</code>, <code>Update</code>, <code>LateUpdate</code>) have finished. A <code>handler … phase Render</code> paints the frame with the <code>Screen.*</code> calls — start by clearing the surface with <code>Screen.clear</code>, draw everything back-to-front, and finish with a single <code>Screen.show()</code> to present the completed frame to the window. Keep <code>Render</code> free of game-state changes: it should read the world and draw it, not move things, so that the drawing never affects the simulation. When you use scenes, layers within a scene render in declaration order, so a HUD layer written after a world layer paints on top of it.</p></div>
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<div class="examples"><h2>Example</h2><pre data-lang="ludic">program RenderExample {
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property Position { column: int = 0, row: int = 0 }
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model Player { Position }
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const TILE_SIZE: int = 16
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var score: int = 0
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handler PlacePlayer phase Start {
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spawn Player { Position { column: 5, row: 6 } }
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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 (current_position) in query [Position, {Player}] {
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Screen.fill_rectangle(
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x: current_position.column * TILE_SIZE,
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y: current_position.row * TILE_SIZE,
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width: TILE_SIZE, height: TILE_SIZE, color: Color.LimeGreen)
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}
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Screen.draw_text(x: 6, y: 4, text: "SCORE", color: Color.White, scale: 1)
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Screen.draw_number(x: 52, y: 4, value: score, color: Color.Gold, scale: 1)
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Screen.show()
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}
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}</pre></div>
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<a class="back" href="api.html">← All symbols</a>
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</main>
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<script src="ludic-highlight.js"></script>
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<script>Ludic.highlightAll(); Ludic.installCards(); Ludic.flashTarget();</script>
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</body></html>
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