Questions tagged [udk]

Unreal Development Kit - a version of Unreal Engine 3 that can be used to make games for PC and iOS. Licensing is done on a back-end-only basis.

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12
votes
1answer
34k views

Best practices of texture size

I wanted to know how should I determine a good texture size ? Currently, I always create UV texture that are 1024x1024px but if I create for example, a big house with a 1024px texture size, it will ...
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2answers
2k views

Prototype experience: Unity3D vs UDK [closed]

Has anyone yet prototyped a game in both Unity3D and UDK? If so, which features made prototyping the game easier or more difficult in each toolkit? Was one prototype demonstrably better than the ...
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2answers
502 views

UDK: Checking actor type in projectile ProcessTouch

So, to be brief, I'm trying to teleport a pawn when it's struck by a projectile (or damaged by any weapon in my game.) Right now, I'm trying to just call Pawn.SetLocation in the projectile's ...
8
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1answer
807 views

How are the Unreal Development Kit (UDK) and Unreal Engine 4 (UE4) related?

I'm thinking of learning Unreal Engine 4, but it costs money, and I want to try and keep costs as low as possible while I'm learning. In contrast, the Unreal Development Kit is free. How similar are ...
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3answers
3k views

Questions about rendering access in UDK

I also asked about this over on the UDK forums, but haven't had much luck getting any responses. Basically, I have some experience with UT3 modding, but I'm just getting started with the UDK, and I ...
5
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10answers
4k views

Which would a game development company prefer; UDK experience or C++ game projects?

Which would a game development company prefer, a developer with experience in UDK engine, or a developer with projects made entirely in c++ with a graphics engine like Ogre3D? I think that a coder ...
5
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2answers
868 views

What is the technical term for animation of a dead body?

In some 3D games when a 3D model of a person is shot to death (or suddenly dead) his body falls to the ground and every limb, the head and the body move free. What is this particular way of handling ...
5
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5answers
32k views

How can the Unreal Development Kit be used with Android?

I've read the UDK will support Android development, I checked the download page on the site and found nothing related to Android. also read that Dungeon Defenders Android game was built with Unreal ...
5
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1answer
809 views

What light attenuation function does UDK use?

I'm a big fan of the light attenuation in UDK. Traditionally I've always used the constant-linear-quadratic falloff function to control how "soft" the falloff is, which gives three values to play with....
5
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3answers
4k views

Push and damage player pawn when hit by rotating pawn? (UDK)

I'm working on a game in which the player runs around a level themed as a pinball machine. There are flippers that react to the presence of pinballs by flipping (as one would expect pinball flippers ...
5
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2answers
424 views

How do I find actors in an area on a poly-precise basis?

Ok, I've been asking various questions and getting some good answers, but I think I need to rethink my method, so I'll describe the problem. I have a player who has a big blue box in front of him. ...
5
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3answers
5k views

UDK or Unity Dynamic Runtime Mesh Boolean subtraction (or alternative) [closed]

I'm new to 3D game dev and was wondering if anyone could help me out. I'm planning to use UDK and would like to have deformable items in the world. So a projectile strikes a target, and a dent or ...
4
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3answers
616 views

Is Free2Play w/ cash shop “non-commercial”?

I'm new to game development and considered using the Unreal Development Kid for a test game. The website states it is free for non-commercial use. I know that games that can be obtained free of charge ...
4
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1answer
3k views

Understanding log/exp formula for RPG experience

While looking for examples of RPG experience formulas I came across this one How to create adjustable formula for RPG level up requirements?, and I would really like to figure it out because I don't ...
4
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2answers
874 views

Transfer my UDK 2 project to UDK 3?

Is it possible to export my UDK 2 project to UDK 3 ? What kinds of things aren't transferable?
4
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1answer
4k views

What are the limits for UDK's landscape size?

With the new (as of March 2011) landscape tool, the Unreal Development Kit supports bigger and (potentially) streaming landscapes than the old terrain tool. However, in my tests trying to import or ...
4
votes
2answers
674 views

How should I set up UDK with Git and CruiseControl?

For a new project in UDK, I'd like to set up a Git repository for version control and a CruiseControl.NET-based continuous integration solution. The good news is that he first part seems easy enough ...
4
votes
1answer
753 views

Valve Source Engine / UDK and CUDA

Do any games use the GPU for more game tasks than just rendering, as a way to reduce the game's load on the CPU? I'm most interested in games which use either Valve's Source engine or the UDK. Is ...
4
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4answers
15k views

Move the location of the XYZ pivot point on a mesh in UDK

When working with any mesh, you get an XYZ point somewhere on it. If you just want to move the mesh in any direction, it doesn't matter where this point is located. However, I want to rotate a door. ...
4
votes
3answers
5k views

Basic multiplayer matchmaking implementation

I am currently writing a matchmaking server application for a 5vs5 UDK game. Here is the scenario on which I built my code: The player starts the game and authenticate The player clicks an huge "...
4
votes
1answer
604 views

UDK: Animating characters with weapons

I imported a custom character and a pistol model to UDK and both work, but the pistol doesn't appear with the animation of the pistol when I shoot or reload... Also, the character doesn't change its ...
4
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2answers
2k views

How to implement auto-aiming / auto-targeting

We all know how auto-aiming or auto-targeting works in games. Now, I need to find how to implement it in my game. In fact I should implement it in UDK and I would be glad if anyone gave me more ...
4
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1answer
2k views

Arcball Problems with UDK

I'm trying to re-create an arcball example from a Nehe, where an object can be rotated in a more realistic way while floating in the air (in my game the object is attached to the player at a distance ...
4
votes
1answer
3k views

UDK game Prisoners/Guards

For school I need to make a little game with UDK, the concept of the game is: The player is the headguard, he will have some other guard (bots) who will follow him. Between the other guards and the ...
3
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5answers
6k views

UDK client, C++ server (is it possible?)

For example I have C++/C# server side with sockets or http web server and UDK client. I am interesting what about experience with networking in UDK: could I connect UDK client to C++/C# socket server ...
3
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2answers
4k views

Unreal Engine - Scaleform - How do I capture a button click event?

I'm new to Unreal Development. In a nutshell, how do I create a button, install it in a basic game, and capture the button click event?
3
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2answers
3k views

UDK and C++, is it possible?

I've never used the UDK before and I am wondering: is it possible to use the UDK through C++ instead of UnrealScript? I saw it's possible to bind external C++ DLL's to UnrealScript, but I don't know ...
3
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1answer
2k views

Options for UDK and version control repositories?

Another developer and I have begun to experiment with the Unreal Development Kit and have installed the UDK to our local computers. He's been toying around and experimenting and has some basic code ...
3
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1answer
521 views

How hard is it to port games from the PC to other platforms?

I am trying to learn game development with the Unreal Development Kit and Unity, trying both out, and trying to get an idea how they work. For now, I'm mostly focusing on PC games. How hard is the ...
3
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1answer
474 views

Complex shading using one single (small) texture

Recently I stumbled upon a demo reel in UDK about how one can attain beautiful results using just one (rather tiny) texture that's being sent to the shader pipeline. The famous link is this one. ...
3
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2answers
2k views

Static Meshes vs 3D models

What is the difference between static meshes and regular 3D models. I am very new to game development, and I am using UDK (Unreal Development Kit).
3
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2answers
2k views

Import FBX with multiple meshes into UDK

I used this script to generate a few buildings that I was hoping to import into UDK. Each building is made of about 1000 separate objects. When I export a building as FBX and import the file into UDK ...
3
votes
3answers
1k views

UDK, can you add your own effects?

I'm new to game development and am curious to know if you can add your own cg effects? Like if I wanted to add fog to my game and UDK didn't support that, is that possible? What kind of coding does ...
3
votes
1answer
256 views

How do I change the window position in Unrealscript?

So when I start my game it starts out in the middle of my screen at 1024x768 resolution, but then when I change the resolution via consolecommand("SETRES ..."); it ...
3
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1answer
314 views

Why might a Projectile hitting a KActor only call HitWall, and not ProcessTouch?

I have a Projectile subclass that seems to work fine. It travels, does Explode(), etc. But when it hits one of our ...
3
votes
2answers
2k views

Importing FBX with multiple meshes in UDK

I need to import into UDK a several amount of FBX models (representing buildings) which are composed by various submeshes (walls, windows, roof...). I need to keep the individual meshes (can't use the ...
3
votes
1answer
3k views

How to make a gaussian blur effect in UDK

I want to make a plane shape (surface) that have a gaussian blur applied to it and this plane is transperant, so all objects behind it looks like they are having a gaussian blur effect.
3
votes
1answer
516 views

Deleting Objects Before Export from Maya Causes .PSK to Crash UDK on Import

I'm using Maya 2008 Complete and 03/11 build of UDK as well as 07/10 build (haven't got around to installing newer version on other computer). I am using ActorX to export. I have a character that I ...
2
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5answers
18k views

Which is better for a beginner, UDK or Unity? [closed]

I am just getting into game development and I would like to know which engine would be best to learn first. In terms of my current skills, I know a good deal of javascript, but not much beyond that. ...
2
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2answers
1k views

What exactly is the difference between Unreal Development Kit and Uunreal Engine 4? [duplicate]

I want to start learning game development and I would obviously come across this tool. So every where I went people mentioned Unreal Engine 4 to be a viable choice, I've tried a bit of Unity and now I ...
2
votes
2answers
989 views

Light levels - How to determine if a character should be spotted

Our team is trying to develop a stealth system with the UDK. Part of this will involve lighting. The idea being that if you're hiding in a dark corner of the room, the armed goons will not start ...
2
votes
3answers
1k views

One-way platforms in UDK

I'm looking to make a multi-player platforming game using UDK. I'm currently doing feasibility research, to make sure I will reasonably be able to do all of the technical things I want to do. The ...
2
votes
1answer
219 views

SetBase with a KActor descendant does not appear to function

I have a KActor descendant, which is a carging shot, kind of like in R-Type. When it starts charging, I do projectile.SetBase(Pawn) in the PlayerController where it is spawned. I've checked in the ...
2
votes
1answer
60 views

How can I disable the green frames after a cinematic in UDK?

These green frames appear in my scene after the display of a cinematic (which I just added recently): How can I remove them, ideally without resorting to transitioning the game mode?
2
votes
1answer
246 views

UDK - deferred rendering?

I plan to use UDK on PC to create commercial game. Can I use deferred rendering in UDK? Or it's only available with expensive UE3 license?
2
votes
1answer
581 views

How can tell if a player has performed some action in UDK?

For simplicity, let's say that I want bots to kill me when I enter a room without greeting them. So in this case I would need to store, somewhere, the variable ...
2
votes
1answer
746 views

Distortion of color space in UDK (material editor)

Question Using UDK's material editor, I wish to use a texture as a two-dimensional array of values for mathematical computations (basically, the color components of each pixel in the texture alter ...
2
votes
1answer
618 views

How to factorize code in Unreal Kismet (i.e. “Material Function”s for Kismet)

In the Unreal Development Kit, when using the Material Editor, one can factorize frequently-used groups of nodes by creating a Material Function (content Browser → right-click → new matrial function, ...
2
votes
3answers
1k views

When tracing how do I tell if I hit a wall or floor?

I perform a trace and when it hits the world I get a location and the surface normal. Does anyone have a good way to find out if I hit a wall or a floor?
2
votes
1answer
907 views

Character and Weapon animation interaction

If I have two models, for example: some character, and a bow, how do I work with them together in 3DS Max to animate them both (for example, when the character shoots an arrow with his bow, the ...