0
votes
1answer
40 views

How to use mocaps in your game if they don't loop smoothly?

Following suggestions on IRC, I've downloaded, parsed and incorporated the Free Release of 2500 mocaps to my game. I've noticed, though, that none of those loop perfectly. It does not connect and thus ...
1
vote
1answer
53 views

DirectX Bullet Tracer Effect

I'm wondering if anyone knows some common and efficient ways to do a fast tracer for an instant bullet. I've seen people speak on forums of using primitive lines with DirectX, but I doubt this ...
0
votes
0answers
33 views

Calculate parameters for orthographic matrix for directional shadow mapping

I am struggling with how I can fit my scene in an orthographic projection, based on what is visible by the camera. All tutorials so far explain almost everything in perfect detail, and then for the ...
0
votes
0answers
42 views

Shadow Mapping: How to calculate Axis Aligned Bounding Box?

I am trying to implement Shadow Mapping, which is actually working with an AABB that always covers my entire scene, but (obviously) it gives very blocky graphics. So I figured I need to calculate a ...
8
votes
3answers
655 views

How can I draw outlines around 3D models?

How can I draw outlines around 3D models? I'm referring to something like the effects in a recent Pokemon game, which appear to have a single-pixel outline around them:
5
votes
1answer
295 views

How can I create a 3D model in Java without using modeling software? [closed]

I am a lightly experienced game developer and this is my first time trying 3D objects in Java for the first time. I have been recently creating and updating games using AWT, Swing, and Graphics, but I ...
1
vote
1answer
105 views

What is w componet [duplicate]

What is the W component on graphics programming. I read a blog about opengl that says that w must be equal to either 0 or 1 here. But the book I am currently reading has put w component to more than 1 ...
2
votes
1answer
152 views

Why is there high performance hit with many meshes?

I am currently reading upon Geometry Instancing, as I want to render a lot of animatable objects on the screen. However I have come to a more fundamental question first: Why do I even need to use it? ...
0
votes
1answer
109 views

Dynamic Shapes and dynamic animations

I saw this video: Video And now I am curious about the following: How can you achieve dynamic forms like they are shown in this video. What I mean is: Do you need to have some "base" models which can ...
0
votes
1answer
138 views

Performance of XNA 4,0 static vertex buffer / VertexPositionNormalTexture in F#

Good afternoon, I have been toying with the VertexBuffer in XNA just to see what it is capable of. I have done some very minor 3D work in the past, so the concepts are not completely foreign to me; ...
1
vote
1answer
331 views

What is the logic behind a 3D Projection 'Camera Perspective'? [closed]

Suppose I had a 3D Cube on a 2D plane (screen). And I wanted to use the keypad to move and rotate it. Without referring to a 3D Game Engine that could do this for me can you explain me the logic or ...
1
vote
1answer
99 views

How to render models using a personalized projection matrix?

I'm creating a game with a great sprite demand. Out team is considering automatizing the sprite generation using 3D models. The problem is we have a very particular ortographic projection: We have ...
1
vote
1answer
100 views

How can I find the location of OpenGL object after rotation?

I have a rotating object, a cube, which I rotate in OpenGL as follows: gl.glPushMatrix(); gl.glTranslatef(400.0f, 300.0f, 1300.0f); gl.glRotatef(m_x, 4.0f, 0.0f, 0.0f); gl.glRotatef(m_y, 0.0f, 4.0f, ...
-5
votes
1answer
172 views

Starting off C++ games development? [closed]

I've just finished my 2nd year of college, and now that I have time on my hands I want to start working on a 3D game, though my stumbling point is trying to find the resources to learn C++ games ...
-4
votes
1answer
217 views

Recommended graphic software for creating great graphics in game? [closed]

I came across a game called Trine2. It has a great graphics here is one image i captured here. Forgive me but I need 10 reputation to upload image so i use external sites. How did they create that ...
1
vote
0answers
70 views

How do I remove control points from imported curve in Maya?

When I create a path from an Illustrator file, it adds extra control points for bezier handles for each point in the AI file, even though I don't drag out the handles in Illustrator. All my points in ...
1
vote
2answers
419 views

How do I create a “flying through space” effect?

On the Final Destination stage in Super Smash Bros Brawl (and SSB Melee) the players fight on a platform seemingly moving through space: I see particle effects, but I don't understand how they made ...
0
votes
0answers
791 views

How to do collision detection in 3D using bounding boxes?

I am using c++ in visual studio 2010 with opengl. I am trying to make a programme that has 2 boxes that are able to be stacked on top of each other but I am having some trouble with the collision ...
1
vote
1answer
111 views

Movement constrained to the faces of a cube

The basic setup I'm working with is a cube rendered in-Engine (Panda3d, although I only am looking for a generalized solution) as well as a 2d square on one face of the cube. The eventual outcome I'm ...
29
votes
10answers
3k views

What makes a game look “good”?

I am working on a 3D space game using OpenGL and C++ and I am planning to focus on giving the game modern, eye-catching graphics, but the more I think of it the more I realise I don't really know what ...
5
votes
2answers
449 views

Most efficient method to render 1,000s of unique space scenes?

I'm an artist with a concept, not the developer, and I'm trying to wrap my head around the approach I should be taking for the following scenario, namely whether to model in Photoshop or 3DS Max. Say ...
-2
votes
1answer
177 views

Should I use OpenGL, Direct3D, OpenGL ES, or WebGL? [closed]

Let's say I don't want to make a game. I specifically want to mess around with a low-level 3D graphics API, because I'm bored and I want to learn something new. I want to work on programming problems ...
2
votes
2answers
228 views

What kind of projection is used here?

Tibia is a 2d game, but it's sprites are drawn using certain kind of orthographic projection that is not the same I'm used to: I'm trying to figure out what projection is used here. I've guessed ...
11
votes
1answer
411 views

Breathing for game/movie characters

Breathing (the movement of chest and face features): I'd like to ask if it is hard to model and whether it is computationaly expensive. I recently noticed the great effect it has in Madagascar 3 ...
5
votes
1answer
381 views

Why does my VertexDeclaration apparently not contain Position0?

I'm trying to get my code from calling each individual draw call down to using at least a VertexBuffer, and preferably an indexBuffer, but now that I'm attempting to test my code, I'm getting the ...
1
vote
2answers
334 views

XNA 4.0, Combining model draw calls

I have the following problem: The levels in my game are made up of a Large Quantity of small Models and because of that I am experiencing frame rate problems. I already did some research and came to ...
17
votes
3answers
2k views

What's the difference between mesh and a model?

Which one is created first? For example if a team worked on a graphical asset of a car, what would be a model and what would be a mesh of the car?
4
votes
1answer
283 views

Techniques for displaying vehicle damage

I wonder how I can displaying vehicle damage. I am talking about a good way to show damage on screen. Which kind of models are common in games and what are the benefits of them? What is state of the ...
1
vote
0answers
170 views

BSPs, Octrees and modern graphics hardware

I have read a lot of literature on BSPs, Octrees and like. Problem is that it is all old literature from software rendering time. Nobody describes how it is implemented today. So here is my idea how ...
2
votes
1answer
1k views

global transform to local transform?

If an object is attached to another one and you need to set its position, rotation and scale in global space, what do you do to get the local versions of these values, knowing the same values for the ...
0
votes
1answer
124 views

How should I position and move objects in my 3D world in relation to terrain

I'm drawing a heightfield as a piece of 3D terrain using the fairly 'dumb' method of drawing triangles, like everyone does when learning this sort of thing. There's no fancy LOD, scenegraphs or other ...
0
votes
1answer
119 views

Split vector vs matrix notation for transformation

Some rendering engines like Ogre prefer to use a individual vector based notation for transformations like the following Split vector notation: Net Transformation is represented by Scale vector = sx, ...
0
votes
2answers
583 views

Rotate point by a direction vector

Given a vector, A, which represents a point, and a unit vector, B, which represents the looking direction, how would I rotate A so that B is the axis that's looked down on? Let's say the looking-axis ...
0
votes
1answer
634 views

OpenGL : Suggestion on handling collision detection and vertex data?

I was thinking how to do collision detection in my OpenGL application and came to conclusion that I should keep two copies of my geometry data. 1)First copy : Only for OpenGL rendering purposes.This ...
0
votes
2answers
185 views

Which optional features would you recommend for a raytracer? [closed]

I'm developing a basic triangle mesh raytracer on a short deadline. This means I can't implement every feature I come across, so I'm looking for some feedback about which features you think are most ...
4
votes
1answer
270 views

How to program a cutting tool for 3D model in game

I'm looking for a resource to figure out how to program a function to cut a 3d model in game. Example: Enemy/NPC is sliced into 2 pieces with a sword. His body is not hollow, you can see bloody ...
3
votes
2answers
3k views

How to render a retro-like pixel graphics from 3d models?

I was wondering if there's a possibility to render a retro-pixel-like graphics from 3d model in real time? I'm talking about the Starfarer-like graphics. I know it's hand drawn, and it's 2d. But if I ...
-1
votes
1answer
429 views

Blender or 3Ds Max [closed]

I am starting a 3D video game project and I do not know whether I should use Blender or 3Ds max. Other sites say to use Blender because it has similar functionality and it is free, but I need to know ...
1
vote
2answers
465 views

How to achieve graphics like those in Spy Mouse

I'm really interested in making a new application for iPhone, and I have some experience in objective-c. My main problem is the visual part. I want to have graphics like in Spy Mouse. Could this be ...
4
votes
1answer
513 views

Cross-Sections of 3D Rendered Objects

I am currently trying to look into techniques that allow the calculation of arbitrary cross-sections of a 3D object or rendered volume. However, I have been unable to find much on the topic. I know of ...
5
votes
2answers
251 views

How are 3D images drawn?

When A computer is to draw a 3d model, does it use maths similar to vector projection? Like when a 3d model is drawn and rotated, does it use vectors/and maybe some other math to know where to draw ...
2
votes
1answer
1k views

Graphics Pipeline, how exactly it works and how graphics card interprets it?

I've looked at this Wikipedia's link, http://en.wikipedia.org/wiki/Graphics_pipeline, but the article lacks in-depth explanation. The only thing, I suppose, I understand and can expand upon, is, ...
4
votes
4answers
3k views

what is the simplest 3d software for unity? [closed]

Ive heard a lot about Daz studio, Poser, Maya, K-3d, Anim8or, Blender, and all the rest. My question is which one is the best choice in terms of simplicity and quality. price is not an issue really. ...
3
votes
1answer
607 views

What is a CPU-efficient cloth simulation technique for a 2D game?

Are there techniques for simulation of cloth and hair in an efficient (in other words, not too CPU-intensive) manner? I only need to calculate the key points as the drawing will be done in 2D.
1
vote
3answers
352 views

What name (if any) applies to this particular 3D rendering technique?

Is there a name for this technique where when instead of rendering certain polygons, you just calculate a few key points and do the drawings in 2d? For instance, instead of rendering a sphere, you ...
3
votes
1answer
325 views

Looping 3D environment in shmups

So I was watching Ikaruga: http://www.youtube.com/watch?v=Aj23K8Ri68E And then raystorm: http://www.youtube.com/watch?v=TQ4V0G5ykAg After looking at their 3D backgrounds for a little bit, it appears ...
4
votes
2answers
363 views

Can polygon normals really be shaded?

"Unable to shade polygon normals" is a copy protection trap in Garry's Mod. I am wondering if the game developers put random cryptic graphic terms up or it is really a problem in graphics. It the ...
3
votes
1answer
604 views

Meaning of knots when drawing a NURBS curve?

I'm using gluNurbsCurve to draw some curves with some control points. I've got the basic setup as described in the red book working correctly and I'm trying to expand on it. This sample looks like ...
1
vote
1answer
3k views

OpenGL 3D Camera

And here I am again, looking for help with my OpenGL camera once again. This is starting to get embarrassing. Anyway, here's the deal: I think my OpenGL First Person free roaming camera is starting ...
40
votes
8answers
7k views

Where to start with game development? [closed]

I asked this earlier in this thread at stackoverflow.com. One of the early comments redirected me here to gamedev.stackexchange.com, so I'm reposting here. Searching for related questions I found a ...