8
votes
0answers
98 views

Short cut grass Shader? or however you do that

I've been looking at some screenshots from games like Rocket League #1 Rocket League #2 and Fifa Fifa #1 and i started wondering how you would achieve the short cut grass effect. Is it a ...
7
votes
0answers
193 views

Tone mapping and eye adaptation - pale colors and darker image

I'm trying to implement tone mapping along with eye adaptation and HDR. Actually I implemented this already but I'm not satisfied with result and I think that I made something wrong. My final image ...
6
votes
0answers
189 views

Ogre PSSM Grass Receiving Shadows

So I made the switch to Ogre3D (v1.7) and using PagedGeometry. What I'm trying to do is make a simple scene with a terrain, some trees and grasses. In a nutshell, I would like to achieve this kind of ...
4
votes
0answers
300 views

Skeletal animation in OpenGL

I'm using Assimp to do skeletal animation in my OpenGL application. I used Blender to export this one-boned model to a COLLADA file: The model has only one bone, called arm bone, that controls the ...
3
votes
0answers
54 views

Rotate a rigid body not around its centre of mass

I have a rigid body (a boat) whose centre of mass is towards the front of the object. However, this makes the rotation look strange as the rudder that is turning the object is at the back of the boat ...
3
votes
0answers
62 views

Circle Collision Resolution and Angular Momentum

I have a 2D engine working pretty well that involves rectangles and circles. I just reworked parts of the collision detection/response system for better handling of angular speed/momentum. The ...
3
votes
0answers
44 views

Are concurrent Update and Draw calls possible in XNA?

I am making a real-time game in XNA and I would like to reduce the Update() call frequency while getting as many Draw() calls as possible. This would enable the program to finish long calculations in ...
3
votes
0answers
52 views

LibGDX's HTML project doesn't show anything in Browser

The question is self explanatory, when I run my demo-html project as a Web Application and I open Chrome with the provided link by eclipse, my browser doesn't show the image it is supposed to show in ...
3
votes
0answers
67 views

How do you add turbulence to a particle system using noise?

I have implemented a basic particle system using transform feedback in openGL, hoping to replicate a dust cloud. I have looked at methods of adding turbulence, such as vortices found here. But they ...
3
votes
0answers
385 views

Inline sprites in Unity's text?

How can I use different materials when using the tag for Unity's rich text syntax? I want to be able to have sprites that are inline with my text without having to create custom fonts. Here's what I ...
3
votes
0answers
562 views

libgdx building 3D terrain

I've been spending a lot of my time working with libgdx scene 2d & have become very familiar with it. I've decided I want to move over to 3D & take a couple of weeks to learn & better ...
3
votes
0answers
134 views

SVG—rendering performance

I have created a jump'n'run browser-game based on SVG. The »World« grew large (~80px * ~20000px, before scaled to viewport height) and rendering went slow. In consequence I included a range searching ...
3
votes
0answers
1k views

How to draw table border in libgdx?

I'm new to libgdx and I'm currently working on TableLayout and wondering how could I draw borders for each cells. I've done some research on this but it seems that I could come up with this solution ...
3
votes
0answers
217 views

Bullet btGeneric6DofConstraint and btGeneric6DofSpringConstraint constructor arguments

I have a very simple (and maybe too primitive to post here but I’ll try anyway :P) question about Bullet constraints. What are arguments const btTransform &frameInA, const btTransform ...
3
votes
0answers
594 views

AlphaToCoverage + Alpha Blending = Artifacts

I'm experiencing a strange problem using OpenGL SampleAlphaToCoverage mode. There are rendering artifacts when using alpha-blending on pixels that have been rendered using alpha-to-coverage - and I ...
3
votes
0answers
377 views

How is Ping-Ponging done in Stage3D & AGAL (Flash Player 11)

Does anyone know how to create a Texture feedback effect in Stage3D / AGAL? I've just found the term "ping-ponging" in some GPU wikipage, hopefully I'm using it in the right place! I'll share with ...
2
votes
0answers
30 views

Unity Grid Layout causing multiple draw calls

We are developing a game in Unity 4.6.6 for both Android and iOS. Currently I am building the game UI with the new Unity UI system. In particular I am building a button list to create kind of ...
2
votes
0answers
28 views

Real world terrain import into UE4

I am trying to create a basic game in Unreal Engine 4.8.1 and I wish to have it set in the Dubai, UAE but i cannot find a way that will successfully use terrain data i have obtained (NASA Shuttle ...
2
votes
0answers
31 views

generate box2d bodies from isometric tiled map

I followed the tutorial here to generate box2d bodies from a tiled map and that worked fine.... for orthogonal tiled maps. Unfortunately isometric maps use their own coordinate system where (0, 0) is ...
2
votes
0answers
148 views

Texturing Objects in OpenGL

Using OpenGL tutorials found here, I constructed an .obj file loader as well as a texture file loader using SOIL. I have an issue with drawing a textured object. (Shown here) Assuming I created the ...
2
votes
0answers
57 views

Creating Scenes Programmatically From A Deployed Build in Unity

This is somewhat of an extension to this question: http://answers.unity3d.com/questions/513801/programatically-creating-entire-unity-games.html I have a client who would like to create an entire game ...
2
votes
0answers
38 views

Opengl Skybox Texturing Error

I'm using cubemaps to render a skybox in my game. Thinking this would be a simple task I threw some stuff together using the tutorials I found online, particularly this. Taking all of this together, ...
2
votes
0answers
33 views

LibGDX Android Textures reload other textures, and transparent images get black backgrounds [Pictures]

I have very strange problems with my LibGDX Game in Android - The problem is that sometimes the textures get black backgrounds when they should be transparent, and sometimes when I remove the texture, ...
2
votes
0answers
28 views

Entity Component System - Physics Animation Matrix Calculation?

The problem is how many times the matrices representing the bones (for animation and rendering) of an entity get calculated. If i have these components: Position Skeleton (holds matrices for bones) ...
2
votes
0answers
70 views

Cloth effect to boned model for XNA

I'm currently working in virtual dressing project using kinect. I'm using a dress model with bone created in blender and added that to xna, placed on the customer and controlled the product movements ...
2
votes
0answers
29 views

Adaptive super sampling

I'm at the moment trying to implement anti-aliasing into a raytracer (Super sampling). Though there seem to be some thing I can't really understand First of all: What exactly is adaptive super ...
2
votes
0answers
56 views

Increment grid by rotation

I'm currently working on a grid for snapping objects side by side. My current script is working fine, but only for game objects which haven't been rotated. Here is an example video of the problem: ...
2
votes
0answers
51 views

Cannot convert bitmap to texture

I'm doing a little C# / OpenGL project and I can't manage to load textures properly. So here is my texture class : public class Texture { public String Filepath; private int TextureID; ...
2
votes
0answers
59 views

Read custom content in MONO-GAME in a cross-platform way

using Mono-Game, i have some custom content files in some binary format (not .xnb) in run-time i need to read the content of those files. i prefer to get a stream, but if something will give me a ...
2
votes
0answers
65 views

Physics: calculating angular acceleration in world vs local space

I have a pretty simple rigid body simulation written in Python. In my code I calculate the angular acceleration using formula: angAcc = torque * inertiaTensor^-1 (note row-major matrix order) Now, ...
2
votes
0answers
219 views

cocos2dx - Swipe and cut the sprite

I am trying to implement swipe and cut a sprite using cocos2dx and inbuilt chipmunk. For the solution I have done following things Enabled physics in the scene, so that the body falls on cut. ...
2
votes
0answers
322 views

PSSM and tightening the split frustrums

So I have implemented PSSM which currently does not care about the objects in the scene, meaning alot of resolution is wasted on empty space. This image shows the bottom two splits wasting alot of ...
2
votes
0answers
50 views

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 tests showed a big boost in performance. ...
2
votes
0answers
83 views

OpenGL Planet Generation - Simple Matrix Issue (Planet “Spins” With Mouse)

I originally asked this question on StackOverflow & was directed here by a commenter. Im currently working on a OpenGL planet rendering. I'm using the Tessellation pipeline. So far things are ...
2
votes
0answers
81 views

How do I get the depth data of objects closer than 800mm?

I'm trying to scan the layout of blocks on a table. My Kinect can be at most 1m away from the surface and I need to stack those blocks higher than 20 cm. I'm using Zigfu. Using the kinect 1 I have to ...
2
votes
0answers
112 views

NegaScout with Zobrist Transposition Tables in Chess

I'm trying to put Transposition tables into my alpha beta scout. I do see an incremental speed boost I think toward mid or late game, however, even with a table size of 1-2GB, its may or may not be ...
2
votes
0answers
58 views

Tangents face the same direction on opposite sides of mesh

I have noticed that the tangent vectors that I am calculating are not always facing the correct direction. The tangents on the left and right of the mesh both face the same direction. Here is a ...
2
votes
0answers
532 views

Getting child collider when collision occurs in compound object in unity3d?

I have a compound object. The parent of the compound object hierarchy has a script that is listening to the OnTrigerXXX callbacks of the children. When this compound object collides with other objects ...
2
votes
0answers
336 views

Drag And Drop in libGDX (Target and Source)

I'm trying to put together a drag and drop system in libGDX with the help of DragAndDrop class. I have the typical system in which you can drag something into a box. So far it is working all dough I ...
2
votes
0answers
226 views

How can I place the player into a 360° video in UE4?

I have a 360° video (6 separate videos stitched together into a panorama) with a first person view walking through an environment. I would like to put this in a game engine such that the actor can ...
2
votes
0answers
162 views

SSAO and normal issues

I'm using a SSAO alghorithm called "SAO", seen here: http://graphics.cs.williams.edu/papers/SAOHPG12/ I'm currently having issues with "smooth" normals, for example when using normal/height maps. To ...
2
votes
0answers
170 views

How can I rumble/vibrate my controller with libGDX?

The com.badlogic.gdx.controllers.Controllers API only supports getting the input data (which works fine). Is there a way to make my controller rumble/vibrate, possibly using some other classes? I ...
2
votes
0answers
372 views

Fixing text on the screen for Oculus Rift

I would like to fix text to the screen for an Oculus Rift in Unity. The text should say something like "get comfortable and then press any key". It seems like OVRGUI.StereoBox should work for this and ...
2
votes
0answers
312 views

How do I check user's unlocked achievement and leaderboard scores via GPG plugin

I need to load user's achievement and their scores from leaderboard in my game. But the Social.LoadScore() and Social.LoadAchievements() both returns a 0 size array in callback. When I checked the ...
2
votes
0answers
106 views

Compute directional light frustum from view furstum points and light direction

I'm working on a friends engine project and my task is to construct a new frustum from the light direction that overlaps the view frustum and possible shadow casters. The project already has a ...
2
votes
0answers
134 views

DX 11 Specular Highlights in Deferred Renderer

I am currently implementing a deferred renderer in DX11.1. Right now I am having a problem that I can't seem to crack with specular highlights when I have multiple light sources. I keep a vector of ...
2
votes
0answers
83 views

How would I warp a mesh with code?

I recently asked a question about putting a camera at the head of a 3D human model here and it worked out rather well and whatnot, but there is still a problem that bothers me: How would I ...
2
votes
0answers
119 views

How to draw a spotlight in 3D

To be clear, I am not talking about the light result (the lit area) but the spotlight itself, like this The two common suggestions that I tried are 2D image and a 3D cone. The problem with the ...
2
votes
0answers
517 views

Weird y offset when using custom frag shader (Cocos2d-x)

I'm trying to mask a sprite so I wrote a simple fragment shader that renders only the pixels that are not hidden under another texture (the mask). The problem is that it seems my texture has its ...
2
votes
0answers
146 views

Improving effect performance in XNA

I'm making a 2D, top-down platformer, in which four or five layers are rendered each time the game draws. Everything is fairly performant except for the bottom layer, which is the game map. This is ...

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