Unanswered Questions

8,159 questions with no upvoted or accepted answers
15
votes
0answers
1k views

SSAO and normal issues

I'm using a SSAO alghorithm called "SAO", seen here: Scalable Ambient Obscurance. I'm currently having issues with "smooth" normals, for example when using normal/height maps. To ...
11
votes
0answers
427 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 ...
11
votes
3answers
948 views

How to hide a post-processed mesh outline when/where the mesh is hidden

I'm working on setting up an active outline in my 3d engine, a highlight effect for selected 3d characters or scenery in the screen. After working with the stencil buffer and getting some ...
10
votes
0answers
163 views

Why Can't I duck reverb on the mix bus in Unity?

i'm surprised there is so little documentation on this issue. But i'm trying to duck the audio on all the mix buses in Unity so that you can clearly hear the VO of the game. Now it works great except ...
10
votes
3answers
4k views

Preventing a Combination of Rigidbody Jump Force & Bounce Magnitude in Unity3D

I'm building a fairly simple marble racing game in Unity3D. The ball is a 3D physics object that moves only on the X and Y axes. It has the ability to roll left and right, and to jump. Pretty basic ...
10
votes
2answers
505 views

UDK: Checking actor type in projectile ProcessTouch

So, to be brief, I'm trying to teleport a pawn when it's struck by a projectile (or damaged by any weapon in my game.) Right now, I'm trying to just call Pawn.SetLocation in the projectile's ...
9
votes
1answer
110 views

How to clip cut-off using different frustrum than that of original camera? How to cut plane by pyramid shape?

SOURCE : http://amd-dev.wpengine.netdna-cdn.com/wordpress/media/2012/10/Mitchell_LightShafts.pdf This process is part of creating light draft effect. And I am suggested to do the described process in ...
9
votes
0answers
364 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 ...
9
votes
0answers
414 views

Implementing a SceneManager using OpenFL

I'm trying to implement a basic SceneManager using OpenFL and Haxe. I don't have a lot of experience using OpenFL and Haxe so I have a few problems. Here is how I designed the SceneManager class: <...
9
votes
0answers
1k views

How do I reconstruct depth in deferred rendering using an orthographic projection?

I've been trying to get my world space position of my pixel but I'm missing something. I'm using a orthographic view for a 2.5d game. My depth is linear and this is my code. ...
9
votes
0answers
619 views

How can I compensate for camera rotation changing PCSS penumbras?

I am implementing PCSS and I am using a directional light. The directional light volume is clamped to the camera frustum (as is typical with directional lights). So when the camera rotates, the ...
9
votes
3answers
2k views

Why do prefabs speed up loading?

I have a scene with a massive terrain. It took a long time to load (approximately 60 seconds) when I pressed play. I am in the editor. I prefabbed it. Now it only took about 5 seconds to load when ...
8
votes
0answers
254 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
0answers
842 views

How to create skeletal animation data for a skirt?

Please think of this in an engine-agnostic way first, and then we can talk about specific engines. In my game, I have a 3D character which is wearing a hakama (think of it as a long pleated skirt). ...
8
votes
2answers
1k views

Libgdx black rectangles problem

I'm working on a game for Android using Android Studio with LibGDX in Java. I recently found a weird problem when closing and reopening the game. When I first open the game, it works fine. If I click ...

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