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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Returns a number in (0, 1] to multiply speed by to account for current crowdedness."><meta name="keywords" content="rust, rustlang, rust-lang, crowdedness_penalty"><title>crowdedness_penalty in sim::mechanics::walking - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script src="../../../crates.js"></script><script defer src="../../../main.js"></script>
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</a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In sim::mechanics::walking</a></h2><div id="sidebar-vars" data-name="crowdedness_penalty" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../sim/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="22" height="22" alt="Pick another theme!" src="../../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><div class="main-heading">
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<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">sim</a>::<wbr><a href="../index.html">mechanics</a>::<wbr><a href="index.html">walking</a>::<wbr><a class="fn" href="#">crowdedness_penalty</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/sim/mechanics/walking.rs.html#1022-1038">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>fn crowdedness_penalty(<br> map: &<a class="struct" href="../../../map_model/struct.Map.html" title="struct map_model::Map">Map</a>, <br> traversable: <a class="enum" href="../../../map_model/traversable/enum.Traversable.html" title="enum map_model::traversable::Traversable">Traversable</a>, <br> peds_per_traversable: &<a class="struct" href="../../../abstutil/collections/struct.MultiMap.html" title="struct abstutil::collections::MultiMap">MultiMap</a><<a class="enum" href="../../../map_model/traversable/enum.Traversable.html" title="enum map_model::traversable::Traversable">Traversable</a>, <a class="struct" href="../../struct.PedestrianID.html" title="struct sim::PedestrianID">PedestrianID</a>><br>) -> <a class="primitive" href="https://doc.rust-lang.org/1.61.0/std/primitive.f64.html">f64</a></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Returns a number in (0, 1] to multiply speed by to account for current crowdedness.</p>
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<p>We could get really fancy here and slow people down only when they’re part of a crowd, or
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passing people going the opposite direction. But start simple – keep a fixed speed for the
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entire time on a sidewalk, and base the decision on how many people are there when entering the
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sidewalk.</p>
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