--- title: The Composite Pattern Is Hiding Everywhere | daily.dev description: 🧱 Build software that lasts. Join the Software Design Mastery waiting list → https://arjan.codes/mastery. The Composite pattern is one of those design... canonical: https://daily.dev/posts/the-composite-pattern-is-hiding-everywhere-tsgnknemv twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: The Composite Pattern Is Hiding Everywhere | daily.dev og:description: 🧱 Build software that lasts. Join the Software Design Mastery waiting list → https://arjan.codes/mastery. The Composite pattern is one of those design... og:url: https://daily.dev/posts/the-composite-pattern-is-hiding-everywhere-tsgnknemv og:image: https://api.daily.dev/og/posts/tsGnkneMV.png og:image:alt: The Composite Pattern Is Hiding Everywhere 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. # The Composite Pattern Is Hiding Everywhere **[ArjanCodes](https://daily.dev/sources/arjancodes)** · 19 min read · 0 upvotes · 0 comments ## Summary 🧱 Build software that lasts. Join the Software Design Mastery waiting list → https://arjan.codes/mastery. The Composite pattern is one of those design patterns you'll start seeing everywhere once you understand it. In this video, I build a small game engine in Python to explore how the Composite pattern lets you treat individual objects and entire hierarchies the same way. You'll see why this pattern works so well for game scenes, file systems, UI frameworks, menus, and many other tree-like structures. 🔥 GitHub Repository: https://git.arjan.codes/2026/composite. 🎓 ArjanCodes Courses: https://www.arjancodes.com/courses. 💬 Join my Discord server: https://discord.arjan.codes. ⌨️ Keyboard I’m using: https://amzn.to/49YM97v. 🔖 Chapters: 0:00 Intro 1:10 Every Object Should Behave the Same 3:37 Building the Composite 7:06 The Game Loop 8:20 Building the Level 10:32 Leaf Objects Stay Simple 12:09 Recursive Search 13:47 My Old JavaScript Game 17:17 Pros 17:46 Cons 18:35 When Not To Use Composite 19:11 Final Thoughts #arjancodes #softwaredesign #python ## Full article daily.dev links to this article rather than hosting it. 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