Unanswered Questions
4,761 questions with no upvoted or accepted answers
12
votes
1
answer
656
views
Spherical Area Lights do not match reference
So I'm adding spherical area lights to my application, and comparing my results with mitsuba, I am getting some differences (left is my approach, right is mitsuba - a pathtraced reference):
What I am ...
10
votes
1
answer
704
views
Environment mapping without cubemap (need coordinates projection)
I'm working on a project with C++ and glsl (4.1).
I have implemented a mirror object which is a plane at height 0 that works as follow:
I render the scene with a MVP computed such that the camera ...
10
votes
1
answer
3k
views
How can I Implement spin in billiard game?
I'm not sure that you played billiard or snooker before.if you played you should know about spin.
but anyway if you don't know about it you can see it in this video
I want to Implement spin like this ...
9
votes
2
answers
2k
views
Creating a curved mesh on inside of sphere based on texture image coordinates
In Blender, I have created a sphere with a panoramic texture on the inside. I have also manually created a plane mesh (curved to match the size of the sphere) that sits on the inside wall where I can ...
8
votes
1
answer
420
views
How to move a portion of bezier/spline curve along its complete bezier/spline curve?
Based on the image below, I have a curve (orange) which is a bezier sub-curve of an original curve (longer black curve). The original curve consists of a number of cubic bezier curves joined together. ...
8
votes
1
answer
250
views
How to create an illustrator/photoshop-like pentool for creating bezier curves in Unity
I found a very useful bezier curve creation code here, which I am using. I need to create complex segmented bezier curves so I want update the code to create illustrator/photoshop-like pen tool bezier ...
8
votes
2
answers
490
views
How to generate a multiplier map for radiosity
I am following this tutorial: here
I am at the part where you are creating a hemicube.
I have got the code to render the scene into a texture and therfore an array.
Now how can I generate a so-called ...
8
votes
4
answers
11k
views
Handling movement on sloped surfaces - clamping character to sloped surface
I've noticed that a lot of people seem to have this issue but I've yet to find an actual working solution - when a rigidbody-based character controller (I'm not using Unity's character controller) ...
8
votes
0
answers
432
views
How to draw Shadow Volumes in one draw call?
I've got a simple app that draws 3D cubes using instance rendering and I'm implementing Shadow Volume. Each cube's vertex, uv, normal and index data are statically stored in 4 vertex array buffers. On ...
7
votes
1
answer
2k
views
Unity 5.3.5 - How to setup a lobby with general game settings?
I am currently working on the lobby for my game. I have followed these tutorials (https://www.youtube.com/watch?v=jklWlm5v21k), which were very helpful, and was able to setup my lobby like this.
The ...
7
votes
0
answers
844
views
How to correctly implement 'layered lighting' with Box2D-Lights
How does one only allow Box2D-Lights to affect one and only one OrthographicCamera.
After researching, I found the following answer. This answer goes into detail ...
7
votes
0
answers
1k
views
Irradiance Map ( Irradiance environment map)?
As irradiance map is generated for every possible normal for all the texels in environment map (as every texel act as a light source) so that we can look up irradiance map, based on normal of fragment ...
7
votes
1
answer
1k
views
Draw Edges in OpenGL
I use blender game engine and blender uses OpenGL for graphics. How can I draw lines around all 3D objects? Would this be a job for a filter? Mainly, I want my end result to look drawn.
I found this:
<...
7
votes
1
answer
609
views
On Android, How can I avoid FPS drops during sensor listener setup/tear down?
When I open my Android app after 5 or 10 seconds it sets up the sensor listener, during which I see clear stuttering and the FPS drops for a second to 40 instead of 60.
Is there a way to avoid this? ...
7
votes
1
answer
4k
views
Drawing fonts with LWJGL3 with OpenGL
I'm very sorry if this question has already been answered, but since I've been struggling with this for many days I thought I'd give it a shot here.
My goal is to somehow render some text on the ...