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Epic Games Releases December 2010 Unreal Development Kit Beta

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    Epic Games Releases December 2010 Unreal Development Kit Beta

    News from Epic Games – December 2010 UDK Beta Released
    December 16, 2010 – Epic Games, Inc. has released the December 2010 UDK Beta, the latest version of the Unreal Development Kit (UDK), the free edition of Unreal Engine 3 that provides access to the award-winning toolset used in blockbuster video games, 3D visualizations, digital films and more.

    Epic is committed to providing the UDK community with regular software releases at no charge, and the latest beta is available now at

    This month, we are thrilled to ship a new and improved UDK, now with iOS support. Keep reading for more details, and check out to see examples of what you can do with these new tools.

    Epic is committed to providing the UDK community with regular software releases at no charge, and the latest beta is available now at

    NEW!iOS Support
    Brand new features and content that users will immediately notice are:
    • Build levels, visually script gameplay events and add visual effects for mobile applications using the Unreal Editor and its major tools, including Unreal Kismet, Unreal Cascade and Unreal Matinee.
    • Superior rendering features for mobile development, including Unreal Lightmass global illumination accelerated by Unreal Swarm distributed computing.
    • The full source and content for the “Epic Citadel” App, plus an additional castle demo map.

    • UDK Remote: A handy tool that enables iOS devices to serve as wireless controllers with full touch and tilt functionality for testing games on the computer.
    • New Unreal Frontend system compiles scripts and deploys builds for multiple platforms with the simple click of a button.
    • Mobile Previewer: Preview your application locally using a fully feature OpenGL ES 2.0 renderer with mobile input simulated.
    • One-click Deployment: Easily deploy your application from the Unreal Editor to your iOS device with only one click.
    • Next-gen Mobile Graphics: UDK's highly optimized mobile renderer has support for per-pixel lighting, environment mapping, precomputed visibility and more! And of course, Unreal Lightmass computes stunning light and shadows to bring your scene to life.
    • Unreal Kismet Visual Scripting: Artists and level designers can string together actions, inputs and events in Unreal Kismet to dictate how the world flows and how the player interacts without having to touch a single line of code.

    iOS Feature List
    • Base UE3 Features
      • Highly shippable, proven engine core
      • Unreal Editor: Almost entire editor is supported
      • Unreal Lightmass: Global illumination, ambient occlusion and more
      • Unreal Swarm for distributed lighting builds
      • UnrealScript dynamic scripting language
      • Unreal Kismet visual scripting
      • Pathfinding and navigation meshes
      • Unreal Matinee cinematics tools
      • Unreal Cascade particle designer
      • Mesh painting tools
      • Canvas-based UI rendering
      • Unreal Content Browser asset manager
      • Full support for Autodesk FBX file format
      • Unreal animation system (AnimTrees, additive animations, blending, etc.)
      • Play In Editor, one-click game preview
      • Real-time inverse kinematics
      • BSP level construction system
      • Crowd system
      • Level-Of-Detail systems, including Massive LOD
      • Performance and memory profiling tools
      • Mesh simplification tool
      • Texture unwrapping and LOD generation tools
      • Perforce source control support
      • Physics and collision systems
      • Unreal Frontend tool for launching/packaging your game
      • Unreal Console lets you connect to mobile apps, issue commands and view logs
      • 64-bit tools allow for huge data sets

    • Mobile
      • Portrait and landscape modes fully supported
      • Multi-touch control support including tilt/gyroscope
      • Touch-based look controls, gesture support
      • New mobile "input zone" system
      • Unreal Kismet and UnrealScript support for mobile input
      • Mobile input emulation on PC
      • Basic UI system based on canvas, with simple buttons/sliders
      • Movie playback

    • Engine
      • Fast performing iOS game engine
      • Level streaming with asynchronous loading
      • Share assets between multiple platforms
      • Mobile shader precaching/warming for hitch-free gameplay
      • Unreal Lightmass normal map baking
      • Precomputed Visibility system with Unreal Matinee path support
      • Cooker generates optimized minimum set of shaders based on game usage
      • Sound and music playback using OpenAL
      • 3D sound spatialization (stereo output)
      • Asynchronous music streaming

    • Tools
      • Mobile Previewer for PC with nearly 1:1 graphics preview
      • UDK Remote for previewing mobile input on PC using iOS device
      • Movie generation tools with authentic mobile-style graphics
      • Capture screenshots and movies from device
      • Preview iOS device resolutions, system settings and landscape/portrait from editor

    • Graphics
      • State of the art graphics features on mobile
      • Flexible material system generates highly optimized OpenGL ES2 shaders
      • Real-time shadows (planar)
      • Particle systems
      • Bump offset mapping
      • Skeletal animation
      • Shading
        • Real-time per-pixel lighting
        • Normal mapping
        • Specular lighting, including per-pixel specular
        • Dynamic lighting (movable, animated lights)
        • Animated materials
        • Translucency, opacity masks
        • Rim lighting
        • Fresnel effects
        • Texture blending
        • Vertex coloring (paintable meshes)
        • Emissive lighting
        • Vertex deformation (foliage, cloth rendering)
        • Environment mapping
        • Baked ambient occlusion (skeletal meshes)
        • Water surface effects
        • Masking for emissive, environment maps, rim lights and more

      • Decals
      • Static mesh rendering
      • Non-uniformly scaled objects
      • Automatic Texture Flattening tool
      • Atmospheric fog

    New Unreal Frontend UI

    Unreal Editor

    Unreal Kismet
    • A new Kismet action, ProjectileFactory, was added. It allows spawning projectiles w/ muzzle flashes from a skeletal mesh socket or bone in Kismet.

    Note: This build only supports 2 bones per vertex for mobile games. The next build will remove this limitation.
    UDN Pages


    Community Links
    UDK Forums:
    UDK Developers on LinkedIn:
    UDK on Facebook:
    Epic Games on Twitter:
    Unreal Engine on Twitter:

    © 2010, Epic Games, Inc. Epic, Epic Games, Unreal, Unreal Development Kit, UDK, Unreal Editor, Unreal Engine, UE3, AnimSet Editor, Unreal Content Browser, Unreal Kismet, Unreal Lightmass, Unreal Matinee and UnrealScript are trademarks or registered trademarks of Epic Games, Inc. in the United States of America and elsewhere. All other trademarks are the property of their respective owners.


    Woho great job Epic you guys are the BEST!!! hopefully Android coming later next year if google helps!!!


      Well done Epic, finally a great SDK to make iOS games with!


        Yes finally an awesome sdk with a perfectly sized friendly community behind it. This will blow unity out the water

        Great job guys!


          Finally the thread where I can say thanks.

          I couldn't care less about the new iOS stuff, but it's a giant help to our project that we get all those medieval assets from Epic Citadel and can use them as we like.


            New iOS is very cool.

            Any word on APEX?


              APEX was delayed, that's at least what they say in the nVidia forums.


                Only change, is adding iOS support ?

                Bah. Nothing intresting this time ;p.


                  oh, was hoping for apex this time too
                  have thay at least fixed some of the bugs?


                    Lots of little stuff. I posted a thread in the Unrealscript forum about changes in scripts, there weren't a lot.


                      It's pretty confusing that there is no button to start the editor anymore in the Frontend…

                      What is the difference between UDK.exe and UDKLift.exe?

                      EDIT: Feature request for the next UDK: a button in the Content Browser that will schedule an update of the thumbnail cache for the next start. It's not very comfortable to change your INI all the time to update it yourself when moving your packages from an older version.


                        Okay, just tested this bêta :

                        (Bugs since the november version)
                        1# Color grading
                        Back and fully operational!

                        2# Flickering problem with the last Depth Of Field version
                        Not Solved.
                        Still flickering in black.
                        The same as the november bêta :
                        Tested on :
                        CPU : i7 860 @ 2,8 (QuadCore with Hyper Threading enabled)
                        Ram : 8gb of DDR3
                        CG : Nvidia GTX470 1285mo with drivers version 260.99
                        OS : Windows 7 64bit
                        UDK Version : December (2010) - 64bit
                        Other : Dual-screens (1920*1080 and 1680*1050)

                        Going back to october... :\


                          seems a bit daft to have udk editor/game and mobile editor/game in the same udk download
                          could it not be seperate downloads?
                          not everyone will be making ios games
                          i for one will probably never touch the mobile stuff


                            Originally posted by tegleg View Post
                            seems a bit daft to have udk editor/game and mobile editor/game in the same udk download
                            could it not be seperate downloads?
                            not everyone will be making ios games
                            i for one will probably never touch the mobile stuff
                            Except example content, I guess there is no way of removing iOS support, without big changes to code.

                            Anyway let it be.


                              As there appears to be yet again no plans to reintroduce FOLIAGE anytime soon, I was thinking maybe we should take speedtree out too. Because you know, my levels seems to run faster without it.