--- title: This is How Professional Developers Clean Up Code description: A walkthrough of refactoring a Unity enemy AI script that handles patrol, detection, chasing, and attacking. Starting from a monolithic script, the process... canonical: https://daily.dev/posts/this-is-how-professional-developers-clean-up-code-kcfg1dtcs twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: This is How Professional Developers Clean Up Code | daily.dev og:description: A walkthrough of refactoring a Unity enemy AI script that handles patrol, detection, chasing, and attacking. Starting from a monolithic script, the process... og:url: https://daily.dev/posts/this-is-how-professional-developers-clean-up-code-kcfg1dtcs og:image: https://api.daily.dev/og/posts/KCFg1dTCs.png og:image:alt: This is How Professional Developers Clean Up Code og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # This is How Professional Developers Clean Up Code **[git-amend](https://daily.dev/sources/git-amend)** · 15 min read · 0 upvotes · 0 comments ## Summary A walkthrough of refactoring a Unity enemy AI script that handles patrol, detection, chasing, and attacking. Starting from a monolithic script, the process covers extracting methods, removing redundant code, using JetBrains Rider's refactoring tools, and progressively applying the Strategy pattern to separate movement behaviors into distinct classes with a shared abstract base. The result is a cleaner, more maintainable enemy controller where each concern is isolated and the update loop reads as simple high-level logic. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#game-development](https://daily.dev/tags/game-development), [#unity](https://daily.dev/tags/unity), [#design-patterns](https://daily.dev/tags/design-patterns) [View this post on daily.dev](https://daily.dev/posts/this-is-how-professional-developers-clean-up-code-kcfg1dtcs) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"This is How Professional Developers Clean Up Code","url":"https://daily.dev/posts/this-is-how-professional-developers-clean-up-code-kcfg1dtcs","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/this-is-how-professional-developers-clean-up-code-kcfg1dtcs"},"datePublished":"2026-07-19T07:59:04.839Z","dateModified":"2026-07-19T08:25:51.471Z","description":"A walkthrough of refactoring a Unity enemy AI script that handles patrol, detection, chasing, and attacking. 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