3D refers to three dimensional space where coordinates are represented with X, Y and Z values.

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2answers
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How to create Half hemisphere 3D model

I already have an hemisphere.obj 3D model. But I'm trying to build a half-hemisphere (quarter sphere) model. How can I do that? What is the easiest way to do that? Generally, is there any easy way to ...
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0answers
19 views

How do you solve where the camera should be on a bezier curve depending on player? (camera on rail)

I am writing a game where I require a camera on rail; That is, the camera's path is fixed and follows a bezier curve. However, I cannot find any resources online for solving the closest point on a ...
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0answers
25 views

Map video texture to a half sphere in Unity

I'm new to unity3D. and am trying to play a 360-degree video. But instead of mapping the whole 360-degree (equirectangular) video to the whole sphere, I need to map the half-video to a half-sphere ...
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0answers
31 views

Simulating a rope in 3D

I want to simulate a rope in 3D. My aim is to code everything myself using Unity 5. I think it will be easier to implement a 2D rope first and then move on to the 3D version. I have read many ...
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1answer
54 views

Should i make 2 or 3 dimensional game? [on hold]

I want to start making a game, but i have no idea if i should make a game in 2D or 3D .. Both of them are okay (Making 3d graphics are a nightmare, but doesn't matter). I am at middle school, but i ...
3
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1answer
59 views

Reflection areas on texture

I have a wheel model. It's use Reflected Diffuse shader and only one texture and only one material. So it should seen like that, right? But it's seen like that: I'm really curious about that. What ...
5
votes
1answer
440 views

OpenGL Fast-Object Instancing Error

I have some code that loops through a set of objects and renders instances of those objects. The list of objects that needs to be rendered is stored as a std::map>, where an object of class ...
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0answers
19 views

(3D) Parabola jump with given start and end

I have a start point and and endpoint given. I'd like to lerp the position from start to end via parabola i.e. over an arch. -(x-x0)(x-x1) won't work if one of the points isn't zero. Someone has a ...
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0answers
14 views

Free for use 3d models / meshes for use in UE4 [duplicate]

Does anyone know a good place where I can get free 3d models or/and meshes that work with UE4? because so far i can't find any good sites that are free.
3
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1answer
48 views

OpenGL cube map is always black

When creating and rendering a skybox with a cube map texture, the skybox is black. Here is how I create the cube map texture: GLuint loadCubemap(std::vector<std::string> faces) { GLuint ...
6
votes
2answers
288 views

Rotating a 3rd person camera toward a target

I have a 3rd person camera that doesn't look directly at the player but somewhere in front of him. When the user enter shooting mode, I want the camera to turn around the player to face the target. ...
0
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0answers
33 views

Is it possible to create a third party program that simplifies game graphics?

As someone familiar with the lifestyle of low-end gaming, I am interested in finding some sort of third-party solution that could enable individuals with lower-end hardware to play more graphics ...
0
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1answer
505 views

3d Wall sliding collision

I'm working on collision for walls in my game and the way I currently have it I get stuck walking into a wall. I'm trying to make my character slide on the walls but still collide. My character moves ...
0
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1answer
57 views

Game Modeling good practice regarding quads and ngons

I'm asking myself if using quads is really the better practice instead of using ngons (for flat surfaces!) when it comes to game modeling. I often read this and saw models that look like this (96 ...
1
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1answer
37 views

Unity Vector3.Angle() direction

I have a space fighter AI. I need to determine how to pitch, yaw and roll the craft to aim at the target. My current solution: To obtain the Yaw angle to position the target above the fighter, ...
0
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1answer
22 views

Handling movement on sloped surfaces - clamping character to sloped surface

I've noticed that a lot of people seem to have this issue but I've yet to find an actual working solution - when a rigidbody-based character controller (I'm not using Unity's character controller) ...
0
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0answers
9 views

ThreeJs camera angles

I'm trying to build a 3D editor for my game. What I'm trying to achieve is an IDE similar to the most part of 3D modeling softwares (Blender, 3D Max, Maya, etc) where you can choose the camera angle ...
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0answers
28 views

How to make texture size correctly in THREE.js?

I'm new to THREE.js and I have a frustrating problem. I can't get my grass texture to size "normally" on the terrain. I get it, the terrain is steep, but that doesn't mean the grass should be ...
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0answers
10 views

Unity Make a 3d object intersect pass through 2d UI

I'm trying to make a 3d object appear as if its approaching a 2d object. As So: The sprite is 3d and it should pass through the 2d button. Since the hand above can move freely I can't put it on a ...
2
votes
1answer
111 views

How to add constant force to player with sperical gravity planet.?

I have a planet and character. My player move perfect around planet with pressing key like 'w','s','a and 'D'. I want to move my player on every frame with same force around sphere. I try plane ...
0
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1answer
53 views

Unity 3D Move Object with RigidBody

I have added RigidBody component as well as Mesh collider to an object moved with keyboard. I know that it the object will go through another (with RigidBody and Mesh collider too) if I use transform ...
4
votes
2answers
198 views

How do I induce collision events in LibGDX 3D?

In the code below I've put an example of something I want to do. I have the camera and I want it to stop moving whenever it hits one of the boxes, how do I do this? public class Main extends ...
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1answer
26 views

Animation inside a .obj file?

Ok, so yesterday I understood that "rigging (bone and joints)" are things that are use inside a 3D animation software like maya. By that I mean that those bones and joints are not inside the .obj file ...
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0answers
21 views

How can I simulate a tilt switch with gravity?

I need to build a simple 3D simulation of a tilt switch, ie. a hollow cylinder with a sphere in it which can move from on end to the other according to the position of the cylinder (gravity). The only ...
1
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1answer
73 views

Multitexturing depending on given variables?

Im having trouble with rendering multiple textures. Using XNA gamestudio: working with 3D meshes and texturing. Effect.fx HLSL I do have a map/level that loads from a heightmap. - This works I have ...
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0answers
19 views

How do I get/extract 3D models of monsters from the game Etherlords 2?

I was playing the game Etherlords 2 since yesterday and I am really like the game. I was thinking about making wiki-like site for the game since the game's community is pretty much dead. The site idea ...
4
votes
2answers
3k views

Triangle-Plane intersection in 3D space

I would like to clip a triangle if its bounds lie partially out of a cube for this I guess I would need some kind of Triangle Plane intersection code, I'm not well versed with math but I do have the ...
0
votes
1answer
42 views

How can i show all edges in monogame?

I am using Monogame 3.5 and i have simple model of cube. I use BasicEffect to draw it. I want it transparent so i use effect.Alpha = 0.5f. Is it possible to show all edges something like on picture?
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0answers
20 views

Is there a more useful “inverse” alternative to portal rendering than antiportal rendering?

I'm in the process of sketching out the design of a 3D rendering engine as I'm learning my way around the subject. (Preemptively: yes, I have my reasons for rolling one from scratch, not least the ...
3
votes
2answers
1k views

Matrix rotation wrong orientation LibGDX

I'm having a problem with matrix rotation in libgdx. I rotate it using the method matrix.rotate(Vector3 axis, float angle) but the rotation happens in the model orientation and I need it happens in ...
-1
votes
1answer
64 views

Increment int in array - int i is out of scope? [closed]

This is my scenario: I have a 3D model of a house, and an autonomously moving robot moving through the house picking up multiple objects. I have an array of 3 objects I want it to pick up, but I don'...
0
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2answers
36 views

Autonomous robot - moving from 1 object to the next object

This question falls in line with my last question: Unity 3D - create autonomous moving robot in house + first person camera movement What I have I have a 3D model of a house; a first-person camera ...
1
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1answer
131 views

How to fix my camera collision, C# XNA

I am having some weird issues with my camera. I am trying to make it so it is a first person camera, that when the user presses the W or Up key, it moves towards where the camera is looking. My issue ...
0
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1answer
61 views

Unity 3D - create autonomous moving robot in house + first person camera movement

I have very, very little knowledge about programming or Unity. I have done some basic tutorials, but I want to try something harder. The thing is, I don't know where to start. If you find the time to ...
0
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0answers
25 views

Finding minimum horizontal offset to disjoin two objects in 3D

This is an extension of sorts of the question asked here: Allowing a player to walk up and down slopes without resistance I am using the Separating Axis Theorem to determine the minimum translation ...
0
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0answers
23 views

Mesh Collider in Monogame

I try to implement a few complex objects and want to achieve that they collide based on everything the player is able to see. Therefore I am not able to use the basic BoundingSpheres. Has anybody an ...
1
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1answer
96 views

XNA4\ Monogame 3d Collision detection Help please

i have been trying to get 3d collision working for a while and i think(hope) you people can help me so for my project i have created a 'sprite3d' kinda class which is called ModelEntity and there ...
0
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0answers
22 views

What is the best way to animate a jumping motion in Unity 3D?

I am creating a a simple 3D game in Unity with a character who runs, walks, jumps, swims, shoots etc. I am pretty satisfied with my results in all the motions except jump. I need to know at what ...
0
votes
0answers
91 views

Player character not moving

i am trying to make an fps game but my character won't move. i have tried different scripts for more than a week. Any help will be appreciated. Thanks! using UnityEngine; using System.Collections; ...
0
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1answer
38 views

How to remove terrain in 3d? [duplicate]

After the release of Minecraft I saw more and more rip offs of the game but some actually began to change it up a bit making the game have a organic look instead of the iconic blocky one that ...
4
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0answers
103 views

Implementing proportional navigation in 3D

Good afternoon guys, a = N * λ' * V is the formula for the commanded acceleration required to hit the target, where N is the proportionality constant, λ' is the change in line of sight and V is ...
1
vote
1answer
143 views

What causes still objects have lines in them when lighting is being changed? [duplicate]

First, here is what I'm talking about (I changed the contrast to make it more visable, since it's not really visible in still images): Ingore the chat box, I was spamming buttons to see which one ...
1
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0answers
39 views

Rotation of a point around axis using quaternions

I have a simple processing program to rotate a point around arbitrary axis but it stops after a bit. I'm trying to get full rotation of the point around the axis. import org.apache.commons.math3....
0
votes
1answer
25 views

Have an object rotate on its Y axis towards mouse position [duplicate]

I've been looking at some other answers to similar cases but not every one used different methods, and a lot of them were not what i needed, so here's my question : What's the best/standard way to ...
0
votes
0answers
36 views

sphere to sphere interpolation

I am at the moment trying to come up with an scheme that interpolats between a current state and a desired state. Each state consist of an 3d coordinate and a rotation matrix, orienting an camera ...
-2
votes
8answers
11k views

Best open-source 3D game engine for a first person shooting game? [closed]

What is the best opensource 3D game engine suitable for 1st person shooting game? This engine should be script-able with lua.
0
votes
1answer
73 views

Unity 3d shooter tutorial animation

I'm following this tutorial. I cannot get even simple animations to work. Here's a very simple case that was supposed to work but did not: Add an animator component to the 'player' prefab Create an ...
15
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5answers
5k views

Where do I start if I want to independently learn game graphic design? [closed]

I want to learn how to create custom graphics, not use freely available resources. But I have been looking around for articles or tutorials on how to start with 2D game design in general, and I can't ...
1
vote
1answer
2k views

JMonkeyEngine in Eclipse

I wanted to try the JMonkey engine, so I downloaded the JMonkey sdk, but I don't want to work in the JME IDE, I would rather like to work with Eclipse, since I already started a game project there, ...
0
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0answers
22 views

Extrude 3d polyline

Let's presume I have a 3d polyline, for sake of simplicity, constructed of 2 line segments, with given 3d coordrinates P0, P1 and P2. I need to extrude it by given thickness, which should result in ...