Qt is a cross-platform application development framework widely used for the development of GUI programs.
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1answer
112 views
OpenGL managing many textures smoothly
I'm working on a game right now and running into some noticeable performance issues and limitations.
Basically, I have this:
A few QGLWidgets, all sharing contexts with eachother (probably ...
3
votes
0answers
73 views
Rotation of a ball moving on a surface
I have a ball that moves along a platform. The ball is characterized as a sphere that has a radius and a position. The platform basically is a rectangle consisting of two vertex triangles. Its class ...
1
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1answer
195 views
QT SFML Integration Trouble
I have been having trouble linking sfml to qt creator I have downloaded the pre-compiled libraries and headers for MINGW on the sfml website here : http://www.sfml-dev.org/download/sfml/2.3.2/
This ...
6
votes
1answer
200 views
OpenGL flat shading of non-planar polygons using TBOs
I'm trying to implement flat shading for non-planar polygons (using a single normal vector per polygon) based on buffer textures, but I can't seem to figure out how to set up things correctly. The ...
1
vote
1answer
165 views
How to enable depth test with QOpenGLWidget? It renders black screen
Currently I am writing a small application with Qt and OpenGl and I choosed QOpenGLWidget for rendering graphics.
That's how I declared my widget:
class GLWidget : public QOpenGLWidget, protected ...
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0answers
154 views
Qt 5 - QOpenGLWidget not updating the screen
I'm creating a level editor for my game using Qt for gui and i'm in really early stages. Right now i'm trying to dynamically add objects ( entities ) on screen when i click a button. So far the ...
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0answers
34 views
Config SFML in QTCreator with file.pro
I know that are a method with cmake , but i wouldlike config my project in Qtcreator usinig qmake and my doubt is what my file .pro must have for work it ?. I will run in windows , maybe later linux . ...
0
votes
1answer
349 views
How to rotate a triangle towards the point in Qt?
I have an issue with items rotating.
I have a point and a triangle which needs to be rotated with its apex point towards the taregt point. The right side of the picture represents how it is should to ...
0
votes
1answer
494 views
OpenGL shows a black screen
I am new at OpenGL, I try this example: http://stackoverflow.com/a/31524956/4564882
but I get only a black widget. The code is exactly the same. this is the code associated to the QopenGLWidget:
...
1
vote
0answers
52 views
Planning to start a right game design pattern [closed]
I'm planning start a game development (I did develop many promo games but now I will start my games with the best code design patterns). I will use QT Creator with C++14, OpenGL and some physical ...
2
votes
0answers
72 views
Moving and rotating to a position with forces and impulses [closed]
Carrying on from this question, I'm still stuck trying to implement the behaviour mentioned in this tutorial. My movement has improved slightly thanks to the help I received:
But the character still ...
5
votes
1answer
714 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
151 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 ...
-1
votes
1answer
119 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:
http://www.gamedev.net/page/...
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0answers
237 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
282 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 ...
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vote
0answers
400 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
555 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
396 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
591 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
2k 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
1k 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
569 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
7k 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 ...
0
votes
2answers
4k 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 ...
7
votes
2answers
677 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
654 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 ...
