Refers to games or art assets built in a three-dimensional space, where all positions have X, Y and Z coordinates.
-1
votes
0answers
72 views
Rendering shadows on terrain: Does this look correct?
I don't think it looks correct what I am making, image here:
You see a floor with terrain floating above it, on the top left you see the scene depth-visualized and right to it you see things from ...
0
votes
1answer
40 views
Creating a vehicle using a physics engine [on hold]
What is the theory behind creating a generic 3D vehicle in a physics engine?
What I would like to know is what parts should I stick together to make the vehicle, how they parts should stick together, ...
1
vote
1answer
28 views
SetFloat() in HLSL shader (effect) has no effect - variables stay at 0
I have a problem wherein I'm trying to set two simple float variables in my shader. I have a dozen other shaders in this project where it works fine, but for some reason, I've got a bug in this one ...
-1
votes
0answers
19 views
Strange alpha-blending layering artifact
I am quite new to the shader world, and I am creating a pixel-lit and vertex-colored shader, based on the answer for my question at "Shader which supports vertex colors and pixel lights?". I'm having ...
1
vote
0answers
57 views
Carve river beds into existing 3d procedural generated terrain
Ok, I've read many threads around about procedural terrain generation with rivers and roads but they suggest approaches from zero to result.
I'd like to know if exists an algorithm to apply to an ...
2
votes
1answer
86 views
Draw character silhouette when not visible
I have a mesh representing my character. I want to give it a partially transparent greyish silhouette when other objects are blocking it from view of the camera.
I'm using Ogre3D, and GLSL as a ...
0
votes
1answer
54 views
Degenerate AABB (axis aligned bounding box), does this always intersect?
I'm studying ray-AABB intersections and I'm asking myself: what would happen if one of the dimensions of the axis aligned bounding box was degenerated?
For instance:
AABB_min = {1,1,1}
AABB_max = ...
1
vote
4answers
464 views
What does “non commercial use” mean in terms of game assets?
I recently got an app for my iOS device called "123D Design." It is a 3D model editor. Upon creation of an account, the application tell you that "your models may not be used commercially."
What ...
0
votes
0answers
40 views
Shadow mapping implementation not working?
I am trying to implement Shadow Mapping in my program using Java/LWJGL/OpenGL/GLSL, but I cannot get it to work properly. Let's start off with a screenshot first, then the relevant code and lastly ...
0
votes
0answers
47 views
Animate a simulated 3D hand in real-time [closed]
What would be the best tools to animate a simulated 3D hand in real time ? (maybe just a skeleton first)
I'm getting information about the finger position from a sensor and I would like to display ...
1
vote
0answers
175 views
How can I make caves with Unity's terrain creator?
With Unity's terrain creator, I can't simply make a "hole" on the mesh.
I don't know how I would make cave-like structures other than using "rock" meshes for the roof (wich will indeed look weird) ...
-1
votes
4answers
158 views
Too much animation work for 2d characters. Creating 2d character animations by prerendering an animated 3d model?
I've read a bit about creating assets for games and the consensus seems to be that 2D is cheaper than 3D in all aspects with the exception of character animation. That's caused by the need of ...
2
votes
1answer
110 views
How do I make an object face the mouse position, but only on one plane?
I want a game object to turn and look towards where the mouse was clicked (in world space). It works well when considering all 3 dimensions, but I really only care for the plane formed by the x and z ...
1
vote
1answer
152 views
What is the purpose of inertial space and what are its uses?
I'm currently reading about left-handed and right-handed coordinate systems when working with 3D and it's all very fascinating. These systems are made up of world space, object space, and inertial ...
0
votes
1answer
90 views
Particle movement in three Dimensions
I have created a particle system which movement is controlled by a flow field over perlin noise - Available here.
I would be very thankful for any ideas and tips how to control their movement on the ...
