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Unanswered Questions

759 questions with no upvoted or accepted answers
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
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
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 ...
6 votes
0 answers
325 views

LibGDX Rectangle not Scaling to ImageButton Instance as Expected

below is the class I wrote for a GameButtoninstance: ...
6 votes
1 answer
740 views

Spawning enemies in four different positions with a fixed trajectory in android game

This is my first android game, I appreciate all the help. I want to define 4 spawning zones starting from out of the screen (left, right, up and down). Enemies coming from this areas have a fixed ...
6 votes
0 answers
161 views

balloon ligher than air with libgdx, impementation of FixtureDef.density, gravityScale, linearDamping?

I use libGdx/box2d's physic. My intention is to create a balloon filled with helium (a body, what hovers above a surface, if we apply a little force to it - it moves fast but not far, if we push ...
6 votes
0 answers
195 views

Why is my OpenGL enabled Java game not detected by Fraps?

Recently I found out that I could enable OpenGL hardware acceleration in my Java game with the line System.setProperty("sun.java2d.opengl", "True"); Initial ...
6 votes
1 answer
3k views

How do I reduce overdraw in a forest scene with lots of foliage?

Unity comes with an overdraw view that looks something like this: We've probably all seen it, and have probably been advised to check for overdraw. How do you go about actually doing anything about it?...
5 votes
0 answers
257 views

Implementing rubber rope

I'm using LibGDX to implement rubber rope in which player can fly and launch. I know I could use Box2D as physics engine and I'm going to one day, but I'd like to learn it myself for now. I've ...
5 votes
1 answer
2k views

libGDX using Stage and Actor produces different camera angles on desktop and Android Phone

libGDX using Stage and Actor produces different camera angles on desktop and Android Phone. Here are pictures demonstrating the problem: http://brandonyuh.minus.com/mFpdTSgN17VUq On the desktop ...
5 votes
1 answer
230 views

Fixing the size?

My app isn't compatible with all screen sizes. When testing on a small size, my textview overlaps with my button. So, as suggested on the Android Documentation, and many stack overflow pages, I ...
5 votes
1 answer
3k views

Input.GetAxis("Horizontal") not updating

I'm having trouble with Unity's basic character controlling. After i implemented the crouching in the code below the Input.GetAxis("Horizontal") does not update (while the left control is pressed (...
4 votes
0 answers
508 views

Moving all the particles in effect LIBGDX

I have a few particle effects that I would like to be in a circle shape in libgdx i.e. not a cone shape. I have done this by setting the direction of the particle effect from 0 to 360. The problem is ...
4 votes
0 answers
3k views

Run Unity standalone in Headless Mode whilst capturing screenshots

I need to create a unity project which runs in Headless mode (using the -batchmode command), but it must capture screenshots e.g. every one second and write them out to a file. I understand that in ...

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