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Unanswered Questions

941 questions with no upvoted or accepted answers
8 votes
0 answers
453 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
876 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
631 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 ...
6 votes
0 answers
344 views

LibGDX Rectangle not Scaling to ImageButton Instance as Expected

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

LibGdx animation sequence

In my game the character movement animations work fine but now I'm trying to do a sequence of programmatic animations, for an enemy character, and it's proving to be a pain. I'm just doing it on ...
6 votes
1 answer
759 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
164 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
207 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
3 answers
2k views

Counting multiple touches using Cocos2dx 3.2

I'm trying to count the number of active touches in screen in order to perform an an action in case that there are two touches: ...
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
275 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

Unity Capture And Display Live Camera Feed

I want to display the video using the device camera on specific part of the screen on iOS, android and Editor. I was able to find the WebCamTexture which display the camera video on the Quad (3D ...
5 votes
1 answer
552 views

How to clip or mask entity in android/andengine?

I want to implement masking with sprite in Andengine. I want same functionality as in ios class called SKCropNode which works like an masking node! Is there any workaround like this in andengine/...

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