0
votes
1answer
19 views

Get speed from vector using box2d and javascript

I need to find the speed of an object in a game. The game is made in HTML5 with jquery and jquery.box2d. For this I can use these methods: GetLinearVelocity().x; GetLinearVelocity().y; I'm then ...
0
votes
0answers
29 views

How to translate vertex buffer coordinates in 2D

I am trying to (using a 2D Directx9 engine library) rotate/translate a set of points in a vertex buffer. I understand how this would be done in a 3D system - i.e using the vertex shader stage of ...
0
votes
0answers
68 views

Creating a arc path connecting two GameObjects in Unity

I am working on a game on a spherical surface which first of all is a big challenge in itself. I want to create a path on an arc which connects two points ( seen in the image ) and show an arc path ...
1
vote
0answers
54 views

2D Rotation Transform Matrix Issues

I'm stuck on my computer graphics class homework. I'm sorry if this is not right place to ask. I think this is closest thing to computer graphics. My assignment is to create basic 2D colored ...
0
votes
0answers
29 views

Push Notification to start a scene

I was wondering whether I can use APNs in iOS to trigger an event in my game, like start a scene without user clicking the notification. Is it possible to use remote push notifications for events like ...
0
votes
0answers
64 views

How to create a sun (shining) and a moon in a 3D world? (Using specular light.) [closed]

I'd like to know: where should I start from to create a moon and a shining sun. Do I need 3D models or is there an effect I can use? Or is it better to use a sprite? Actually, for now I just have a ...
0
votes
1answer
56 views

“_SRGB” suffix for BC texture format doesn't result in sRGB-to-linear correction at sampling

I am working on a 3D engine as a hobby (Direct3D 11). Currently I am trying to implement sRGB -> linear -> sRGB color space conversions via texture formats with "_SRGB" suffix. So, my textures are ...
0
votes
0answers
28 views

Printing the values from the corresponding array [migrated]

Suppose 1 A 2 B 3 C I need to print the value corresponding to 1-> A I have put both in two array d1[1,2,3] s1[A,B,C] Now i need to print the value in the form shown in the above d1[0] ...
0
votes
1answer
59 views

How to render the sprites for a 2D soft body physics system

This is not a question as to how to achieve soft body physics, but rather if I have a mass-spring system how to modify a sprite with that information. I am using unity so I dont have access to vector ...
0
votes
1answer
40 views

OBJ Model not being rendered properly in OpenGL ES 2 android app

I have an Android OpenGL ES 2 app that loads an .OBJ model using Assimp and renders the same. The vertices data is stored in a object declared like this : class CGameObject { public: struct _Mesh { ...
0
votes
0answers
38 views

How to move rigidbody player to its facing direction with AddForce?

How can I move a rigidbody to its facing direction? I've already tried this: rigidbody.AddForce (transform.forward * v, ForceMode.Acceleration); // v is a public float which gets a new value in ...
1
vote
3answers
196 views

List of 3 letter words to disallow from entry for public kids game

I saw this post about a profanity filter for an mmo chat. In my case I've got a game played in public, mostly by kids. The only text they can enter is their initials A-Z, 2 or 3 letters. With only ...
1
vote
0answers
28 views

Skyrim Creation Kit - Location Based Spells

I'm making a spell that'll place a soil patch on the ground in skyrim, and I cannot get it to work. I would like some help. When I tested the spell in game, no soil patch appeared on the ground. I ...
0
votes
1answer
31 views

Using IBO's with color

I am trying to familiarize myself with IBO's by drawing triangles etc but I'm finding no way to get the color to apply properly. Can I not use an IBO to index the color values as well? I am having ...
0
votes
2answers
68 views

How to make a wait timer?

I am making a mining styled game and am looking to make variables that effect how fast you are able to mine the block. This is the idea I have currently got but it does not wait for the timer to ...
0
votes
1answer
55 views

Continuous world and camera problem

I have this problem where I split my big world into chunks and I don't know how to draw it into my game camera's view. Each world chunk has its own coordinate system, so when object reaches border of ...
0
votes
0answers
19 views

Having trouble getting shader to work with sprite batch in XNA #4

I found a neat "CRT screen" effect shader on the web, but I've never used shaders before and I can't seem to get it working properly. If I do the second sprite batch in my code here normally without ...
0
votes
1answer
24 views

Implement an action “while” touching event

I'm making a game using Xcode for iOS. This is a segment of code I have that makes the sprite jump up when the screen is tapped: //tap/touch to jump (& play sound) -(void)touchesBegan:(NSSet ...
0
votes
0answers
34 views

Data structure to store map layers in each Tile while keeping the order of terrain, items and monsters intact

My game represents its map as a 2D array of tiles, each of which stores a stack of layers. I'm looking for a data structure to efficiently represent this . I want to be able to add layers ...
0
votes
1answer
38 views

Using IPAD's as controllers for a Unity game

We are making a Multiplayer game using Unity. The actual game would be run from a PC projected on a screen and the players would be using their respective Ipad as a controller to play the game. I am ...
2
votes
0answers
72 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 ...
0
votes
0answers
29 views

Assimp - Error loading .obj files

I'm trying to load .obj files in my little game. I decided to use assimp as tool to import those models. But it seems that assimp does not import them correctly. I looked for a simple cube mesh ...
0
votes
0answers
57 views

How to manage stat gains using exponential growth in RPG? [closed]

I am creating a simple RPG and fiddling around with some equations for stat/exp growth and am not sure how to handle bonus stats in a fixed growth model. If you have played Ogre Battle Tactics, you ...
0
votes
0answers
26 views

libGDX fixed object and camera do movement

I develop game to andorid and there is moving object with arrows - simple movement like in RPG games. I did: camera.position.x = PIXELS_PER_METER*man.body.getPosition().x; camera.position.y = ...
0
votes
2answers
59 views

Incrase framerate in XNA [duplicate]

I'm trying to increase the frame rate of my game from 60FPS to 100 FPS because of reasons. But i can't seem to get it higher than 60 frames. This is the count I'm using. I can slow down the frame rate ...
0
votes
1answer
39 views

How to analyze game with 3 difficulty levels?

I have a puzzle game with N stages where each stage has 3 difficulty levels. Users have to finish current unlocked stage to access next stage, but they can access any difficulty level for unlocked ...
0
votes
0answers
39 views

Implicit Functions and extracting an isosurface

I recently discovered a paper on Dual Marching Cubes which produces a much reduced poly count to other methods like Dual Contouring and Marching Cubes, however a recurring theme when reading these ...
3
votes
4answers
174 views

How should loot be distributed across dungeon levels?

I am making a dungeon crawler; as the player character adventures down through increasingly difficult floors of a dungeon, they collect more valuable treasure. What is a good algorithm to determine ...
2
votes
1answer
50 views

How to create polygons from tilemap areas?

I'm currently working on a project which needs simple AI's to walk around using pathfinding. I'm trying to find a way to generate a polygon based on the connected tiles (explained below), an i'm ...
2
votes
1answer
103 views

Should I bother merging faces in my 3D block-based game?

Okay, so I have a bunch of cubes in a 3d-world. I already implemented face culling, so that when a cube is next to another cube, their touching faces won't be drawn, or even sent to the buffer. ...
2
votes
2answers
602 views

Slow dictionary access with coordinates as keys

I am making a game server and currently I am experiencing a huge performance hit. I have a class Map which holds a Dictionary of the class Tile with each tile having X, Y, and Z coords, some lists, ...
3
votes
1answer
106 views

Fighting Game Camera Positioning in SDL

I'm working on a 2D fighting game (using SDL) much like the original Killer Instinct on SNES. I want the camera to keep both players an equal distance from the left and right sides of the viewport. ...
-3
votes
1answer
34 views

Move the Object in y-axis when the timer increases [closed]

I have a model(.Fbx object),I have placed a timer.When the timer starts increasing the model/object should move down(along y axis).
1
vote
1answer
58 views

How to find the 3D object the camera is pointed at

I'm currently developing a 3-dimensional game (the first I've ever done and it's not as hard as I thought it would be!), but I've run into a little bit of a snag. I want to find the current block the ...
1
vote
1answer
44 views

Collision/Intersection of (2D) Ray to Line Segment

Given a ray (r0, r1) and a line segment (a, b), I need to calculate the normal of the line segment based on the direction of the ray. For example, in the following picture: The correct normal given ...
3
votes
2answers
177 views

How to calculate left/right oriented angle between two 2D vectors? [duplicate]

I would like to calculate angle between two 2D vectors. Here's a picture of what I'm trying to achieve: I have an obstacle line segment AB and incoming moving PC. If I'm coming from one side C¹D¹ ...
0
votes
1answer
52 views

How can I get a 4x4 matrix from a bullet quaternion?

I'm trying to make a game using JavaScript with Ammo.js ( an implementation of bullet ) and Sylvester to do my matrix maths. The problem is I don't know how to turn the WXYZ that bullet gives into the ...
0
votes
1answer
96 views

How do I get the mouse coordinates relative to my whole scene with Monogame? [duplicate]

I am making a topdown isometric real time game using Monogame. I know how to get the mouse position for my camera view. How do I get the mouse coordinates relative to the entire scene? My game's ...
0
votes
0answers
37 views

Texturing problem inside Unity

So I created a Hex Sphere using Houdini and exported it as FBX to Maya where I created UV's for the model to use it in Unity This is how my sphere looks inside Unity All the hexes are separated so ...
0
votes
1answer
46 views

Calculate needed speed and object's position in Unity3d

So i'm trying to calculate object's future position so my enemy can land to it safely. Idea is that using future postion I can calculate angle and convert it to direction vector and also using ...
0
votes
1answer
37 views

How to color each letter text in Phaser.js?

I have a text created with text object (game.add.text) and I would like to color each letter differently if that is possible. If not, how can I achieve this?
0
votes
1answer
50 views

Varying spritefont quality depending on string

I'm using Kleymissky font size 26 made via Nuclex font renderer (Hinting Method: AutoHinter) - download Why the thickness of the font drawn on screen depends on the string itself? What can I do to ...
1
vote
1answer
43 views

using delta timing is causing shake

I am using delta timing to account for potential drop in frame rate. Only trouble being when I do this, I can notice an ever so slight wobble. I checked out the following JSFiddle coming from a ...
4
votes
1answer
83 views

Odd Behaviour XNA Game Component

Inside of my main class file I am initializing a number of game components which are used to represent game scenes i.e. main menu and game. I am initilizing each component inside of XNAs LoadContent ...
4
votes
1answer
751 views

How do I fairly distribute new powerful cards to players in a collectible card game?

I'm writing a game in which users start with a few cards. They use those cards to play against other players. The winner can steal a card from the other player. The aim is to get ...
0
votes
0answers
15 views

Using Tile Maps with cocos2d - how do I handle a large amount of images?

I am building a game where the users (players) can build their own town. There they can build houses, add furniture to the houses etc etc. Basically similar to The Sims. I am using the Tiled Map ...
0
votes
0answers
17 views

libGDX new TextureAtlas(filename) and new Texture(filename) drawing stale image data

I'm trying to draw an image using libgdx but no matter what I do, libgdx seems to insist on drawing a portion of an image I had loaded and used in an earlier game screen. In my current game screen ...
0
votes
1answer
46 views

XNA C# 3D game Wall collision response glitch

I have been working on a reliable physics system in my code and so far it's ALMOST working. :D I am aiming for wall "sliding" style of collision response, like you'd expect it to work in commercial ...
-2
votes
1answer
65 views

What is the advantage of 6 Directional Movement vs, for instance, 8 or 4 [closed]

I'm making a fallout 2 inspired game and I'm wondering what you guys think about its use of 6 directional movement. It kind of bugs me for some reason and seems like it would make game play odd and ...
0
votes
1answer
60 views

How can I inspect 3D model exactness? [closed]

I am neither a game designer nor a graphic designer. I am a .Net and C# software developer. I have a game project and I've still been studying to learn game concepts and technolgies for a year. ...

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