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 about: You can open, save and manipulate 3D models in the IFC format.…

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

Castle Model Viewer available on iOS, Android version updated too We have released Castle Model Viewer Mobile on iOS (iPhone, iPad) and you can get it right now from the App Store! Open this link to the AppStore on your iPhone/iPad, or just search for "Castle Model Viewer" in the AppStore. We're…

Ton of mobile (iOS, Android) improvements: iOS + OpenGL3, Google Play Biling upgrade, shadow maps precision, more As we're preparing to release Castle Model Viewer on iOS, we've done a number of improvements to our mobile support for both iOS and Android: With big thanks to Jan Adamec, we have:…

Enjoy new examples: 3d_games/walking_adventure, 3d_games/dungeons_and_skeletons_fight and more We did some rearrangement of our examples, to showcase better engine features and some good demos. First of all, we now have 3d_games and 2d_games subdirectories in our engine examples. The names…

New example: get random image using Unsplash REST API We have a new example in our repository: examples/network/random_image_from_unsplash. This shows using our to access Unsplash API and ask for a random image matching a given search term (like a "cute fox"). The main part of the example is the…

Android: Updated applications (Castle Model Viewer, Platformer…) in Google Play, on the engine side: upgraded Google Play Services to v2 and Android SDK to 35 Castle Model Viewer for Android version 2.8 has been released! This brings: Support for IFC format right in our mobile viewer. Small UI…

Lazarus packages: moved, renamed We did a few moves and renames to our Lazarus packages. After upgrading to the latest engine version, be sure to run again "Register Lazarus Packages" button (from the "Preferences -> FPC and Lazarus" in our editor, as documented in our Lazarus docs). Note that the…

14 engine improvements from June/July — window sizing docs, TCastleAbstractPrimitive and TCastleImageTransform extensions, cubemaps and 3D textures in all texture slots, VS Code integration improved, rendering optimizations… Presenting a big batch of engine improvements done last ~month. Lots of…

More scenes are shadow casters for shadow volumes out-of-the-box, because of the auto-detection of 2-manifold scenes (Yes, it's a 3rd news about Castle Game Engine in 3 days. More to come -- we have a backlog of things to announce! Brace yourselves 🙂 ) We introduced an algorithm to detect…

Register for the upcoming Pascal Conference in Germany (Early Bird price until 31.07) I will be at the Pascal Conference 2025 in Germany, on September this year. And you can be there too 🙂 The schedule is announced at the conference site. A number of great people, influential in both FPC and…

Delphi advancements: groundwork for more platforms (Android, macOS, iOS), Castle Model Viewer + Delphi, cli Delphi tools on macOS, fixes for C++ Builder, Delphi 64-bit IDE We have a few treats for Delphi users in this post: Base engine units (but not yet rendering!) are now compatible with more…

Support for new Tangent node in X3D, with vectors as 4D, better aligned with glTF The short version of this post, if you don't want to go into technical details, is that one aspect of using bump mapping is now better in Castle Game Engine. Our data transfer and logic is more efficient and more…

URL improvements: castle-config:/ protocol, use UriExists and FindFiles on any URL (including e.g. zip), TCastleMemoryFileSystem We present a number of improvements to our URL system, which is the basis for all engine resource loading and saving: We introduced castle-config:/ URL protocol, to save…

Slides and example from Delphi Day 2025 presentation and after-thoughts (Afterwarp, shadow maps, BGFX and deferred rendering) I'm traveling back home after enjoying Delphi Day 2025 in Piacenza. I think I've made a nice presentation about the engine features. Slides are available here and one new…

Shaders! Large new documentation how to use shaders with Castle Game Engine, and new “shader libraries” (for now: to convert worldeye space comfortably), and new SetEffects methods We've done a number of improvements to our shaders support, and it starts with one big thing: We have a new…

Game controllers (gamepads, joysticks) – new comfortable API, and example of walking and talking using gamepad from Delphi Summit 2025 We're proud to present a completely new comfortable API to handle game controllers (which includes gamepads, joysticks and similar devices). Everything is…

Meet me in Netherlands (Amsterdam), Italy (Piacenza), Germany (Sundern) at the upcoming Pascal conferences As many of you know, I looove talking about Castle Game Engine and our many features. But my wife, though she loves me dearly, eventually says "enough" 🙂 So I learned to travel around the…

Web target progress: editor on web (proof of concept), OpenUrl, right mouse button, many new demos (creature AI, 3D model viewer, physics shooting, auto-tests…), Kraft and Vampyre Imaging on web, wasm-opt, embedded fonts We've been busy in the last months developing our web target! If you haven't…

April improvements: physics upgrade, sphere casting, layers filtering, easy factory, iOS fixes, image improvements, and more We have a number of improvements to announce, so welcome to another "bag of improvements all around the engine" news post! Take a look around, see if you find something you…

Pascal Cafe 2025 presentation: web (play Unholy Society on the web for free!), IFC, 3D scanning, mORMot integration There's a gift at the end of this news post 🙂 Almost a month ago (time flies fast!), I did a presentation at Pascal Cafe 2025, an annual FPC / Lazarus conference organized by Blaise…

Modern Pascal course examples and slides, updates to modern Pascal book to fully support both Delphi and FPC Last week I made a course teaching modern Pascal, organized by BSC (Embarcadero branch in Poland). We started from basics (structural and imperative programming, classes) and went on to…

Dice Throwing Demo, Recording Physics Simulation We've a made a new demo project using Castle Game Engine: Throw a 6-sided dice, using physics, and cheat to make the outcome predictable. Before throwing the dice, you select the desired outcome, and we guarantee the dice will land the desired face…

Collaborative online editing of 3D world using Castle Game Engine and mORMot2 We're happy to announce a new demo project, showcasing our Castle Game Engine and mORMot 2 working together! mORMot (1 and 2) is an open-source Pascal framework (just like our engine!) providing networking and database…

TCastleTransformReference improvements – intuitive transformation, menu items to “Duplicate Linked”, “Edit (Make Independent Copy)”, cooperates with LOD, fixed TCastleStickToSurface We implemented multiple improvements around , making it easier to use, have more options, be more optimal and…

Video overview of the new features – web, IFC, zip Enjoy a new video overview describing the latest development around web, ifc and zip support! The video was supposed to be short, it turned out to be 44 minutes long, and it talks about many details. I hope you enjoy it! If you do, please support…

New class for ZIP handling (TCastleZip), progress on new pretty wireframe approach, WOFF fonts support, LOD usage demo Announcing a number of engine improvements from the last weeks: We have a new class for ZIP handling: . Features: Reading ZIP files from any TStream or URL (see networking about…

Big progress of web target and 10 new demos ready to play in your web browser We proudly present next milestone of our web target! The goal is simple: recompile any application developed using Castle Game Engine and FPC to run in a web browser. Any modern web browser (FireFox or Chrome, desktop or…

January News – Android uninstall, list devices, fix for Android 15; query texture RGBA color from Pascal; IFC and web progress; set default platform; fix for bundled FPC + VS Code You can now easily uninstall Android application or list available Android devices (connnected using USB, paired using…

Web target – big progress, first 3 demos to try! We are proud to present the first 3 working applications developed with Castle Game Engine for the web! Check them out -- just open the links below, in any web browser (Firefox, Chrome...), on desktop or mobile! 3D viewport, with random cones,…

DONE: 2024, TODO: 2025 (web, packages, IFC…) Let's make a recap of 2024 and talk about plans for 2025! I included below some new information, so even if you follow our news and roadmap, you shall find something new here 🙂 Before we start, I want to sincerely say thank you to everyone in our…

New CastleTransformManipulate unit to move/rotate/scale 3D objects in your applications, wireframe “shading” toggle for IndexedFaceSet, Steam achievements fixed with Delphi, slides from my presentation in Bielsko-Biała You love the super-long news titles, right? 🙂 Again I have a backlog of…

Traps and explanations when comparing non-integer types (floating-point, fixed-point) using Pascal

Latest news from Castle Game Engine, our open-source game engine using modern Pascal: Working on web target (WebAssembly), IFC format and mORMot integration now: castle-engine.io/wp/2024/11/3... #gamedev #pascal #freepascal #delphi #wasm #webassembly #ifc #mormot