Tagged Questions
0
votes
1answer
298 views
Drawing the same scene with perspective then orthographic projections
I have a scene that I'm rendering first with a perspective matrix. I then want to rerender it in a different viewport using an orthographic matrix for a top-down 2D view of the scene. I think I may be ...
2
votes
0answers
631 views
Arcball 3D camera
I have checked multiple threads before posting, but i havent been able to figure this one out.
Ok so i have been following this tutorial, but im not using glm, ive been implementing everything up ...
1
vote
0answers
55 views
OpenGL/GLM Camera
I want to make a camera that can freely look and walk on X/Z plane and rotate 360 degrees. I'm using OpenGL and the lookAt function from the GLM library to create the view matrix. I've looked through ...
1
vote
0answers
77 views
3D Camera Y-Axis wrong angle
I am trying to build a camera class, though I am running into a problem. When I move the camera above/below, and try to move towards the ground, I am moved off in what seems to be about 45 degrees in ...
1
vote
0answers
208 views
How do I convert my matrix from OpenGL to Marmalade?
I am using a third party rendering API, Marmalade, on top of OpenGL code and I cannot get my matrices correct. One of the API's authors states this:
We're right handed by default, and we treat y ...
0
votes
0answers
47 views
Issue with turntable rotation openGL
I am trying to implement turn table like rotation in my openGL app.
In turn-table like rotation, z-axis is not supposed to roll. But in my app z-axis rolls like anything when I try to rotate the ...
0
votes
0answers
46 views
Focus a turntable style camera on an object
I have a turntable style camera in the maya / blender / alembic / opensubdiv example. I want to be able to match the camera translation to any objects translation pivot point in the scene and then ...
0
votes
0answers
227 views
Irrlicht - Camera rotation like FPS
I'm constructing a game in OpenGL and initially I started using GLUT for the general purposes. However, later on I bumped over the problem of 3D model import and, after so many time trying to import ...
0
votes
0answers
114 views
Why my camera sees what is behind it?
I am building a minimal opengl viewer and I am puzzled by what I see : the camera see the (test) object that is behind her. the front and back of the camera looks reverted.
I am wondering what could ...
