Tagged Questions
6
votes
3answers
371 views
How do I implement a quaternion based camera?
I looked at several tutorials about this and when I thought I understood I tried to implement a quaternion based camera. The problem is it doesn't work correctly, after rotating for approx. 10 degrees ...
4
votes
2answers
1k views
converting a mouse click to a ray
I have a perspective projection. When the user clicks on the screen, I want to compute the ray between the near and far planes that projects from the mouse point, so I can do some ray intersection ...
3
votes
3answers
1k views
Camera Rotation using angles
I currently try to rotate a camera (using gluLookAt()) around a point , i successfully do it for rotating around one global axis.
But when i want to use more than one axis , I'm stuck . I've ...
2
votes
1answer
154 views
Why doesn't the y Axis work with SuperBible frame reference or GluLookAt
I'm currently trying to understand how to use the GLFrame Class in the superbible book, and acording to the 4th edition of the book, the camera matrix derived from the Frame of reference class should ...
2
votes
2answers
612 views
Implementing camera for 2d side scroller game?
I'm implementing a 2D side scroller for iOS (using C/C++ with OpenGL) (beat'em up style like double dragon/final fight ).
My scenes are composed of one cyclical background image ( the end of the ...
1
vote
3answers
151 views
How can I rotate a camera about it's target point?
I'm drawing a scene where the camera freely moves about the universe. The camera class keeps track of the view (or look at) point, the position of the camera, and the up vector. These vectors/points ...
1
vote
2answers
164 views
camera movement along with model
I am making a game in which a cube travels along a maze with the motive of crossing the maze safely. I have two problems in this.
The cube needs to have a smooth movement like it is traveling on a ...
1
vote
3answers
199 views
OpenGL Camera causes spatial distortion
I'm trying to implement a 3D camera of the "Orbit around the origin" variety in a game engine I'm developing in order to learn about 3D graphics and game programming. I have a basic handle on the ...
1
vote
1answer
637 views
OpenGL 3D Camera
And here I am again, looking for help with my OpenGL camera once again. This is starting to get embarrassing. Anyway, here's the deal: I think my OpenGL First Person free roaming camera is starting ...
0
votes
2answers
200 views
CubeRealm OpenGL rotation problems, need help. :\
I'm totally new to OpenGL and I'm working on a Sandbox game called CubeRealm. My problem you see is rotation. I've got it in my head that to rotate the 'camera' I just rotate all the scene by the ...
0
votes
1answer
740 views
OpenGL ES 2.0: Moving Camera in Orthogonal (2D) Projection
I have quite large 2D game scene. The scene is much larger than the screen of the LCD. Therefore, I have to move the camera (view) in desired directions, to display particular parts of the scene.
...
