9
votes
0answers
344 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 ...
8
votes
0answers
196 views

Load ads in splash screen?

I have some ads that take a very long time to load. I was wondering it it is possible to have them load while the use was in the splash screen. I have looked at this answer: ...
7
votes
0answers
425 views

Variance shadow maps don't want to render properly

I've implemented VSM (and also ESM) in my engine but results are for me not as I expected and saw in many examples published on network. I set filtering of shadow maps to GL_LINEAR but when I compare ...
6
votes
0answers
81 views

3D collision avoidance: finding the updated velocity vector (outside the “collision-velocities” cones)

I am trying to understand and implement the mechanism of a fully 3D collision avoidance (steering behavior) system for flight movement (six degrees of freedom), currently focusing on circumventing ...
5
votes
0answers
38 views

How can I record voice through using Kinect camera as the microphone?

Originally I intend to use kinect camera as the device for voice communication. But at least now I want to use it as the input device for recording a voice and play that voice in the same pc. How can ...
5
votes
0answers
65 views

Dual Contouring - Finding the feature point, normals off

I am following this tutorial to implement Dual Contouring http://www.sandboxie.com/misc/isosurf/isosurfaces.html My data source is a grid 16x16x16; I traverse this grid bottom to top, left to right, ...
5
votes
0answers
97 views

How do i find the circumsphere of a tetrahedron?

I'm looking for the most minimized equation to find the center coordinates and the radius of a tetrahedron circumsphere given four 3D points. What I found on the internet mainly deal with the circum ...
5
votes
0answers
137 views

What's the best practice for a progress bar in OpenGL ES 2.0 (Android)

As the title says, what is the best practice for a progress bar in OpenGL ES 2.0 on Android ? My attempt: I make a texture (could be a single colour or otherwise), and then stretch that texture from ...
5
votes
0answers
190 views

How to cache resources in my homebrew rendering system

Background: I am designing a simple 3D render system for an entity component system type architecture using C++ and OpenGL. The system consists of a renderer and a scene graph. When I finish the ...
5
votes
0answers
183 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 ...
4
votes
0answers
47 views

Depth Peeling implementation problem: How to render the next layer? (OpenGL)

I try to implement order-independet transparency sticking to the pseudo code in the linked paper (page 4). I can't figure out how they are able to do this in OpenGL. I am rendering the scene two ...
4
votes
0answers
85 views

XNA Shader working different on different PC's

I am working on a game in C#/XNA which uses custom shaders for drawing. When the code is compiled on my machine it works perfectly on all computers I tested, but when my team member tries to compile ...
4
votes
0answers
77 views

AI using character controller makes unwanted change to it's y position

The enemy parent object does not have any colliders except for the character controller. It starts out with y = .57 and immediately jumps to y=1.6355 because of my call to CharacterController.Move(.) ...
4
votes
0answers
86 views

Is there a way to determine Android physical screen size?

We're currently porting our games to Android, and would like to be able to release a universal build for tablets and phones. Is there a way to determine the actual screen size or DPI in order to ...
4
votes
0answers
121 views

Ledge climb animation and movement (2d platformer)

Struggling to make a decision on the implementation of a ledge climb mechanic for a physics driven 2d platformer. What is the best way to go about this without it getting overly complex? So far I ...
4
votes
0answers
64 views

OpenGL: Frame partially jumps back and forth

I'm working on a project with SDL and OpenGL. The game works great on Windows, Linux, OS X and iOS. However, the Android version is showing a problem on my phone in particular. I have tested another ...
4
votes
0answers
83 views

Can a sprite be rendered with thickness in Unreal Engine?

Is there a convenient way to have a 2D pixel art image with transparency (not partial) rendered with a thickness in Unreal Engine? Paper2D does exactly what I want, except it's a flat plane. I'm able ...
4
votes
0answers
252 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 ...
4
votes
0answers
116 views

How can I create a set of collision points for an arbitrary mesh?

In my project I am working on automatically deforming an arbitrary mesh with respect to another arbitrary mesh, within the context of user generated content, similar to this deformer being developed ...
4
votes
0answers
472 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 ...
3
votes
0answers
79 views

How can I interpolate between two frames of a sprite-based 2D animation?

For example, I'm looking to animate at 60 frames per second, but clearly my artist isn't going to hand-author 60 frames of art for every second of an animation clip and even if he could, it would only ...
3
votes
0answers
34 views

Change color of bitmap

I am attempting to understand the easeljs ColorFilter and its use with cache. There is quite a bit of information at the easeljs site but it's not clear based upon the examples and documentation. ...
3
votes
0answers
24 views

Image won't scale after click

Despite being a long-time developer I've never played with JavaScript libraries or any sort of graphics development. With my son we're trying to create something interesting and are using ...
3
votes
0answers
59 views

How do I align the cube in which shadows are computed with the view frustrum? (“View Space aligned frustum”)

Short and concise: Given 8 world space positions that form a cube of arbitrary size, position and orientation and given an arbitrary light direction. How do I compute the View and Projection matrix ...
3
votes
0answers
26 views

How do I functional-test un Unity3D?

Context I am continuing some legacy code for a game in Unity3d, and I want to write some functional tests meant for regression, to ensure I don't break things when implementing new things or when ...
3
votes
0answers
20 views

How can non-CG shader code in Unity be included?

In Unity shaders, #include, #define, and other preprocessor commands seem to not be able to be used outside the CGPROGRAM section of the shader. Since these are required for compiling multiple shader ...
3
votes
0answers
65 views

No collision with CompoundPolygon Monogame/Farseer

I want to create a body based on its texture. But the body I created just falls through the floor instead of colliding and resting on it. My Code: using FarseerPhysics; using FarseerPhysics.Common; ...
3
votes
0answers
73 views

How do 2D volumetric lights work?

Context So in my current project (written in Java using LWJGL / OpenGL, so GLSL for shaders) I added lighting quite a few months ago, which was already an interesting challenge, having never done ...
3
votes
0answers
20 views

Skeletal Mesh Cloth Simulation bug (UDK), unexpected behaviour

When I try to move to the left (A) the pawn and the cloth move to the left, and when I move to the right (D) the pawn and the cloth move to the right too... Why the cloth always goes in same ...
3
votes
0answers
33 views

How to link assimp lib to universal app

I cannot make assimp object loader work with universal app, and I got the same problem as this one: Assimp and directX12 universal apps I tried the static library approach mentioned in the answer of ...
3
votes
0answers
32 views

What algorithms are used for force dispersal between rigid objects attached by joints?

I have in mind a 2d, side-scrolling game which requires the construction of vehicles and/or structures built of conjoined rigid structures, like beams or platforms. These structures will be impacted ...
3
votes
0answers
59 views

Draw Edges in OpenGL

I use blender game engine, and blender use 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: ...
3
votes
0answers
44 views

Check if a point is touching a user drawn curve in HTML5 canvas

I am having trouble detecting whether a ball is colliding with a red curve. The curve below is an example of what a user may draw on to the canvas. I can't think of any fast ways to detect collision ...
3
votes
0answers
75 views

Is there an algorithm for collision resolution that factors in velocity?

I'm trying to program collision detection between moving convex polygons. To detect collisions, my program uses the GJK algorithm, and to resolve the collisions, it uses EPA. The problem with EPA is ...
3
votes
0answers
59 views

Unusual black squares in transparency effect after wake from sleep

I've encountered unusual black squares in semi transparent textures for a while now, usually in processes that were resumed after the computer woke from sleep. For example I've seen the effect in the ...
3
votes
0answers
97 views

Unity - reconstruct position from depth

I am using Unity and I want to reconstruct position from depth and frustum corners in pixel shader. I am doing this: In my App, I calculate view-space corners of the far frustum plane and pass them ...
3
votes
0answers
23 views

Bilinear filtering of output image in Direct3D 11

I'd like to render something at one resolution, but display it in a window at another resolution (e.g. render the scene at 640x480 and stretch it to a 1024x768 window). Simply resizing the window ...
3
votes
0answers
83 views

Proper Line of Sight in tile based game

My rendering engine currently takes "xMin, yMin, xMax, yMax" to render a rectangular region of tiles, and will automatically scale based on the size of the panel it is rendering to. However, I am ...
3
votes
0answers
30 views

Java image in JFrame rendered weirdly

I'm not sure if this is intended or not, if it is, I'd like to know a way of preventing this: I've got this image (which is for testing purposes, the actual one has a texture, but I'm not using it ...
3
votes
0answers
47 views

Render triangles without index buffer in Opengl ES

I'm reversing a 3d model format from a famous game (not sure if i should mention it), which is released both for windows (app store) and for Iphone and android. The weird thing is that while the ...
3
votes
0answers
132 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 ...
3
votes
0answers
53 views

Unity 5 - custom lighting model

I have tried to use my own lighting model in surface shader in Unity. But there is a problem. If I init my own lighting via #pragma surface surf _SimpleSpecular Lighting_SimpleSpecular method is ...
3
votes
0answers
38 views

Perspective division by zero yields unexpected results

Usually, this is how a shape in clip space is defined: [0.25, 0.25, 0.0, 1.0] [0.25, 0.75, 0.0, 1.0] [0.75, 0.75, 0.0, 1.0] [0.75, 0.25, 0.0, 1.0] After perspective division to NDC space the result ...
3
votes
0answers
44 views

Is it possible to use OpenCL in libgdx?

Been looking for a way to implement some OpenCL stuff in my libgdx project. It's possible via LWJGL which libgdx is based on, but it's only for the Desktop environment. Would like to have it cross ...
3
votes
0answers
46 views

Nothing drawn in Window, not even the clear color

A few years ago I have followed RasterTek's Direct3D11 tutorials to create a simple application in C++. I'm not trying to convert this very simple sample to C# using SharpDX. I've got the Window ...
3
votes
0answers
67 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 ...
3
votes
0answers
36 views

Maya - Rotate an object around it's pivot point by snapping a vertex to another object's point

The title of the question maybe a bit confusing, so I'll try to make it clear. I have the object (A - finger) and I want to align rotation of another object (B - nail) to a specific edge on the ...
3
votes
0answers
40 views

How do I control texture appearance based on game play events?

In an FPS I am developing, I am procedurally altering the appearance of textures based on game play events, and would like to know if the way I have implemented this was a good idea. Right now, on ...
3
votes
0answers
42 views

Advice on playtester recruiting strategy for closed beta?

I am the lead programmer for a small game company working on our first release. A top down turn based historical WWII strategy game. Because our game appeals to WWII buffs and players who enjoy ...
3
votes
0answers
93 views

How to create a White Hot thermal camera?

I'm very new to Unity and at this point I don't even really know what questions to ask to move forward with what I want to do. My end goal is the ability to switch between a standard color view, a ...

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