Qt is a cross-platform application development framework widely used for the development of GUI programs.

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5
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1answer
395 views

Why do my game objects jitter when moving the camera?

I'm moving from Qt Widgets' QGraphicsScene to Qt Quick's QQuickItem for rendering my game objects. One of the things this involves is setting up a scene and the view onto that scene, as this was ...
2
votes
2answers
122 views

Movement through forces and impulses

I'm trying to get some decent-looking movement in my game using this tutorial. In the image below... something crazy is going on. What should happen is that the NPC should start on the left side of ...
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0answers
29 views

Adapting qml-box2d to work with QGraphicsScene: transform origin is incorrect

I'm taking the convenient QObject wrappers from the Box2D QML Plugin and using them with a QGraphicsScene-based game. My motivation is to save time writing them myself, as I need to expose stuff to ...
0
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0answers
62 views

Steam for Linux platform libraries causing Qt application misbehavior

I'm currently having difficulties with a very simple launcher application that's intended to display a webpage and have some buttons to launch a game. When you click a link inside of the launcher it ...
0
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0answers
21 views

Smoothly scaling positions of GraphicsItems on a 2D GraphicsScene

I layout a bunch of nodes on a QGraphicsScene(A 2D Canvas). The nodes are basic ellipses. It works reasonably well. However I would like to know how to better size the ellipses. Currently I have a ...
-1
votes
1answer
96 views

Smooth radial collision

I'm trying to make collisions smoother in my game. Currently, entities will stop completely when they collide with an obstacle. I saw the following article recently: ...
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vote
0answers
197 views

Box2D Qt wrong collisions

I am working on a simple Box2D game (with Qt), but my objects don't collide correctly: As you can see on the picture, objects try to go through each other and slide over. My b2World: b2Vec2 ...
-1
votes
1answer
214 views

How to go about front end UI to main Game Engine and then to Game Over Phase [closed]

I am about to complete my first ever game. I have used Qt for windowing and OpenGL for actual game logic. I am confused about .. things which are related to design so according to FAQ, these kinda ...
1
vote
0answers
281 views

What is the right way to use a QStateMachine for a text adventure game? [closed]

I have seen a couple topics about this already but they were a bit vague for me so I decided to make this. I'm working on a little adventure game just for fun in Qt, its basically just text on the ...
1
vote
1answer
445 views

How to have qt5 work on desktop like on mobile devices (es2, correct glsl version)?

I am looking for help/information concerning this issue : My work: I have an opengl es2 render engine that works on an iOS app. I almost managed to make it work by calling the same openGL rendering ...
1
vote
0answers
302 views

How to make an oscillation move on opengl qt

I'm trying to make a character make an oscillation move. That is, the character will start by rotating to a certain angle, say 60 degrees, and then slowly come back to an upright position then rotate ...
5
votes
1answer
499 views

Working Qt controls in a 3d environment

I need some advice from a Qt expert. The background: I have a 3D engine (ogre3d) working in concert with Qt. The 3D Content is displayed in a widget (using a custom OS window in the client area). I'm ...
2
votes
3answers
1k views

Application toolkits like QT versus traditional game/multimedia libraries like SFML

I currently intend to use SFML for my next game project. I'll need a substantial GUI though (RPG/strategy-type) so I'll either have to implement my own or try to find an appropriate third party ...
2
votes
1answer
995 views

Is it possible to billboard a sprite using a transformation matrix?

None of the current topics on billboarding seemed to answer this question. But, given a sprite (or quad) that has it's own 4x4 transformation matrix a camera with a view matrix (a standard 4x4 ...
2
votes
1answer
435 views

Most efficient way to implement walls and shadows in 2d

I am making a 2d top-down programming game similar to robocode. There will be up to 1000 walls (lines) in the arena, and up to 50 robots. Each robot can see in a 90 degree arc, and cannot see through ...
1
vote
2answers
1k views

QT for lan game devleopment

I am making a small game for a course in my school and was planning on using QT to build it. I have worked with pygame[last year] and turbo c++[about 5 years agao] to make games, small easy stuff. ...
4
votes
3answers
5k views

What are the advantages and limitations of using Qt for game development? [closed]

I know there is already a thread asking for example 3d games written using Qt. What I'd like to have a discussion about is whether or not Qt is a good framework for game development. In my experience ...
1
vote
0answers
534 views

Which 3D rendering engine for a MotionBuilder Clone (with only character animation editing capabilities)? [closed]

I want to write a 3D App (think of a MotionBuilder clone for simplicity sake) that would be able to import a scene from common packages and apply/run my own character animation algorithms. Normal ...
0
votes
2answers
3k views

looking for simple 3d games made with Qt [closed]

Hi i need to make simple education games in 3d for that i need GUI and editor like function this is no problem . but the openGL stuff i need to learn by example. do you know places where i see ...
6
votes
2answers
650 views

OpenGL or OpenGL ES

What should I learn? OpenGL 4.1 or OpenGL ES 2.0? I will be developing desktop applications using Qt but I may start developing mobile applications in a few months, too. I don't know anything about ...
6
votes
2answers
637 views

What resources are available for using Qt as a toolkit for games [closed]

Qt is an excellent application toolkit and overall the best for C++. While some large projects use Qt (KDE for example), I haven't seen many games using it. So I decided to make my own. But what does ...