@castleengine profile picture
Castle Game Engine @castleengine

Open-source cross-platform (desktop, mobile, console, web) 3D and 2D game engine using modern Object Pascal. Support us on castle-engine.io/donate

Joined September 2014
  • Tweets 641
  • Following 34
  • Followers 389
149 Photos and videos
Music Player example application, important fixes around audio and skinned animation castle-engine.io/wp/2026/06/… #GameDev #IndieDev #Audio #Animation #glTF #Android #OpenSource #Pascal #CastleEngine

Music Player example application, important fixes around audio and skinned animation

We have a new example: Music Player, a simple application that allows to play a chosen audio track with UI similar to typical mobile music/audiobook players. This example has a nice backstory: For …

castle-engine.io
2
71
Web: bump mapping, clip planes, fog, terrain, occlusion culling; also Unholy Society demo on web updated castle-engine.io/wp/2026/05/… #GameDev #IndieDev #WebGL #HTML5 #Shaders #OpenSource #Pascal #FreePascal #CastleEngine

Web: bump mapping, clip planes, fog, terrain, occlusion culling; also Unholy Society demo on web...

Shaders on web fixes: Our shaders on the web platform can render now all our effects: Bump mapping (normal maps). As shown by demos: bump_mapping (source code). creature_behaviors (source code). th…

castle-engine.io
8
204
Audio (sound, music) on the web, sound API improvements (arbitrary channels, float frequency etc.) castle-engine.io/wp/2026/05/… #GameDev #IndieDev #WebAudio #HTML5 #OpenSource #Pascal #FreePascal #CastleEngine

Audio (sound, music) on the web, sound API improvements (arbitrary channels, float frequency etc.)

We have implemented audio playback on the web. Underneath we use WebAudio API but you don’t really need to know anything about it — just use Castle Game Engine sound API and components …

castle-engine.io
1
4
90
More April News: training timer demo, delayed view changes, URL processing on save, how to easier install web compiler, notes on copyright and AI, in progress: audio on web castle-engine.io/wp/2026/05/… #castleengine #pascal #delphi #FPC #WebAssembly

More April News: training timer demo, delayed view changes, URL processing on save, how to easier...

We already announced some new features in April (PLY, InlineGeometry, web: URL parameters and TCastleDownload). Below we report more goodies :) Enjoy! Check out Training Timer 2: Zero Time project …

castle-engine.io
1
46
Web target: getting URL parameters, downloading resources using TCastleDownload castle-engine.io/wp/2026/04/… #castleengine #FPC #WebAssembly #pascal #delphi

Web target: getting URL parameters, downloading resources using TCastleDownload

We add 2 new features to our web target: New methods to read URL through which your page was accessed, and get query parameters of this URL. The use-case is creating webpages that react to URL para…

castle-engine.io
37
Support for PLY model format and InlineGeometry node castle-engine.io/wp/2026/04/… #castleengine #X3D #3D #FPC #Delphi #gamedev

Support for PLY model format and InlineGeometry node

We support now loading models in PLY format, commonly used for 3D scanning and printing. We support all common variants, which means ASCII and binary with any endianness. We support both models wit…

castle-engine.io
4
70
PasDoc 1.0.0 release with with many features and fixes: modern HTML look, show source position, visibility of membes toggleable, show inherited members… castle-engine.io/wp/2026/03/… #pascal #delphi #FPC #lazarus #ObjectPascal

PasDoc 1.0.0 release with with many features and fixes: modern HTML look, show source position,...

This a bit non-standard news post: I wanted to announce a new release of PasDoc, documentation generator we use to create Castle Game Engine API docs. PasDoc is a documentation generator for Pascal…

castle-engine.io
89
Tower Fight game by Phomm, various engine fixes (GTK 3 and Wayland, float textures and Skin and web, macOS editor…) and website updates castle-engine.io/wp/2026/03/… #castleengine #wasm #gtk #wayland #fpc #pascal #delphi

Tower Fight game by Phomm, various engine fixes (GTK 3 and Wayland, float textures and Skin and...

Phomm posted about a cool new game he made in our forum: Tower Fight – Samurai Arcade for testing math skills. Available for various platforms including web. I recommend also his accompanying…

castle-engine.io
1
79
AI usage guidelines and thoughts updated, and… test of vibe-coding with Castle Game Engine castle-engine.io/wp/2026/02/… #gamedev #ai #claude #pascal #delphi #fpc #castleengine

AI usage guidelines and thoughts updated, and… test of vibe-coding with Castle Game Engine

As most of us, I spend lately considerable amount of time researching and talking about AI implications (for coding and beyond). It’s a big subject. The technology offers us various applicati…

castle-engine.io
4
84
Upgrade to GTK 3 castle-engine.io/wp/2026/02/… #castleengine #gamedev #gtk #fpc #pascal

Upgrade to GTK 3

We are upgrading our engine usage on Linux and FreeBSD from GTK 2 to GTK 3. Our installation instructions and scripts include now information to add GTK 3 packages. This is as simple as installing …

castle-engine.io
1
13
174
macOS improvements: work flawlessly on Apple Silicon (Aarch64), bundled with FPC, signed and notarized; Cocoa mouse positioning; fixes to OnDropFiles; universal binary support castle-engine.io/wp/2026/02/… #castleengine #fpc #delphi #macos #gamedev

macOS improvements: work flawlessly on Apple Silicon (Aarch64), bundled with FPC, signed and...

We are proud to announce numerous improvements to how our engine works on macOS: As hinted in previous news, our macOS builds are now provided with “bundled FPC” which means that buildi…

castle-engine.io
1
87
Engine downloads with “bundled FPC” for all platforms, castle-build-ci to easily use CI with our engine, Woodpecker (Codeberg) CI examples and impressions castle-engine.io/wp/2026/01/… #castleengine #codeberg #fpc #woodpecker #ci #githubactions

Engine downloads with “bundled FPC” for all platforms, castle-build-ci to easily use CI with our...

We have a number of news related to using CI (continuous integration) / CD (continuous delivery) with our engine. The idea of CI / CD is that you let some automatic process to be performed on your …

castle-engine.io
3
61
December news (unlimited skin joints on shaders, PointProperties), and plans for 2026 (next release, SignPath, better macOS Silicon, shadow maps…) castle-engine.io/wp/2025/12/… #castleengine #pascal #fpc #delphi #gamedev

December news (unlimited skin joints on shaders, PointProperties), and plans for 2026 (next...

Hello everyone! I hope you have a peaceful time at the end of December and spend it doing what you love — whether it means developing games, or playing games, or just resting (and thinking ab…

castle-engine.io
4
99
November improvements: huge animation upgrade, guidelines about AI usage, Codeberg mirror, various fixes castle-engine.io/wp/2025/12/… #castleengine #gamedev #pascal #Delphi #FPC #khronos #glTF #X3D #codeberg

November improvements: huge animation upgrade, guidelines about AI usage, Codeberg mirror, various...

We have a few things to report from November. Enjoy :) We have merged a big branch with numerous improvements to our animation handling (skinned animation and other). The important new functionalit…

castle-engine.io
5
407
Castle Game Engine retweeted
Serkan Holat@coni2k
1 Nov 2025
Round 46 results 🏅 Round amount: $250 - Castle Game Engine - Score: 0.39937 - Amount: $65 opencollective.com/castle-en… - M68k LLVM Development - Score: 0.76182 - Amount: $125 opencollective.com/m68k-llvm… - Openandroidinstaller - Score: 0.36803 - Amount: $60 opencollective.com/openandro…
2
1
1
108
Various October Improvements – VS Code and VS Codium, Google Play 16k requirement, Nintendo Switch update castle-engine.io/wp/2025/11/… #vscode #android #pascal #fpc #delphi #gamedev

Various October Improvements – VS Code and VS Codium, Google Play 16k requirement, Nintendo Switch...

We released a new version (1.6) of our extension to integrate with VS Code: We fixed how it detects OS on win64. This in turn fixes Code Completion, jumping to declaration and other LSP features on…

castle-engine.io
2
103
KTX support improvements, ability to load images faster castle-engine.io/wp/2025/10/… #ktx #khronos #pascal #fpc #delphi #gamedev

KTX support improvements, ability to load images faster

Our support for the KTX image format was greatly improved, to make it the best format for images (in some cases — when you don’t care about image size on disk, but care about loading ti…

castle-engine.io
4
80
Demo how to distribute web application with encrypted data castle-engine.io/wp/2025/10/… #gamedev #pascal #fpc #delphi

Demo how to distribute web application with encrypted data

We present a demo showing how you can keep your web application data encrypted (with decryption key embedded in your application code). By default, when you build a web application, the data is pac…

castle-engine.io
3
158
IFC support in Castle Game Engine castle-engine.io/wp/2025/10/… #pascal #delphi #fpc #ifc #bim

IFC support in Castle Game Engine

We’ve been extending in recent months our IFC support. I talked about it at conference in Germany and I will talk about it at conference in Poland next week :) General overview of what IFC is…

castle-engine.io
1
97
September engine progress: IFC, web, CastleHttps, VS Code debugging, zen mode, X3D 4.0 4.1, downloads mirror castle-engine.io/wp/2025/10/… #castleengine #gamedev #ifc #x3d #pascal #delphi #fpc

September engine progress: IFC, web, CastleHttps, VS Code debugging, zen mode, X3D 4.0 4.1,...

This was a busy month, with lots of engine work and also a great conference in Germany organized by Sorpetaler. Let me then announce a bag of engine improvements and news all across the board from …

castle-engine.io
7
217
Load more