All Questions
18 questions
0
votes
1
answer
36
views
Differences between rotations and translations of different camera properties in LiBGDX
I am trying to understand the camera API (applicable to perspective camera ONLY) of LiBGDX.
It really does not make sense that you can call rotate and translate on many different properties of the ...
1
vote
1
answer
312
views
Screen space reflections bug
I try to implement screen space reflections in my graphics engine using ray marching algorithm. After a lot of trying I got this result:
https://youtu.be/yzkgpcliBVQ
As you can see, the reflections ...
2
votes
2
answers
312
views
How to make player seem bigger / world smaller, without changing world coordinates
I am making a voxel game with OpenGl, I've got the major parts working, except the camera seems small compared to the the blocks.
How do I make the camera bigger?
Do I do a scaling on the model ...
2
votes
1
answer
470
views
Model gets distorted when rotating the camera
I'm currently developing my own 3d graphics engine and I'm having a hard time figuring out why my 3D models gets distorted when rotating the camera around.
This is my projection matrix. I'm following ...
-3
votes
2
answers
436
views
What would happen if a 3D game used Bitmaps to render, instead of vertices and textures? [closed]
What would happen if a 3D game used Bitmaps to render, instead of vertices and textures?
0
votes
1
answer
821
views
Reset Camera view - webgl
I have camera rotating by dragging mouse.
Im trying to add reset button that restart the scene to initial view.
The rotating camera works as expected but I can't figure out how to reset it.
The ...
9
votes
1
answer
2k
views
Draw the middle half of a sphere programmatically
I'm trying to create the middle half of a sphere. Basically to create a sphere, stack numbers and slice numbers are given, and there are two variables phi (for ...
2
votes
1
answer
2k
views
OpenGL cube map is always black
When creating and rendering a skybox with a cube map texture, the skybox is black.
Here is how I create the cube map texture:
...
1
vote
1
answer
956
views
DirectX Bullet Tracer Effect
I'm wondering if anyone knows some common and efficient ways to do a fast tracer for an instant bullet.
I've seen people speak on forums of using primitive lines with DirectX, but I doubt this is up ...
2
votes
1
answer
387
views
What is w componet [duplicate]
What is the W component on graphics programming. I read a blog about opengl that says that w must be equal to either 0 or 1 here. But the book I am currently reading has put w component to more than 1 ...
1
vote
1
answer
192
views
How to render models using a personalized projection matrix?
I'm creating a game with a great sprite demand. Out team is considering automatizing the sprite generation using 3D models. The problem is we have a very particular ortographic projection:
We have ...
1
vote
1
answer
3k
views
How can I find the location of OpenGL object after rotation?
I have a rotating object, a cube, which I rotate in OpenGL as follows:
...
34
votes
10
answers
8k
views
What makes a game look "good"? [closed]
I am working on a 3D space game using OpenGL and C++ and I am planning to focus on giving the game modern, eye-catching graphics, but the more I think of it the more I realise I don't really know what ...
0
votes
1
answer
148
views
Split vector vs matrix notation for transformation
Some rendering engines like Ogre prefer to use a individual vector based
notation for transformations like the following
Split vector notation:
Net Transformation is represented by
Scale vector = sx, ...
0
votes
1
answer
3k
views
OpenGL : Suggestion on handling collision detection and vertex data?
I was thinking how to do collision detection in my OpenGL application and came to conclusion that I should keep two copies of my geometry data.
1)First copy : Only for OpenGL rendering purposes.This ...