1
vote
0answers
55 views

Checkers make move and take move algorithm

I'm coding a checkers game and I encountered a problem and I'm 99% sure is about how the move is done and taken back. The structure of my game data is: an 8x8 array containing my board squares. ...
0
votes
1answer
7 views

Providing texture coordinates and using indexed drawing at the same time

Please consider the following vertex structure struct vertex { vec3 posL, normalL; }; Using this vertex layout, we can provide the vertex data in an interleaved way, i.e. ...
0
votes
2answers
93 views

How to make a bullet shooting system

Some didn't understand what I was asking so here it is: I'm trying to make a method to fire bullets in java. When the space bar key is pressed then this method is called. In this method a bullet is ...
0
votes
0answers
49 views

Python procedural dungeon generator — too much empty space

I have some code that generates a dungeon: #!/usr/bin/env python import random import noise def get_area(area=None): area = area or int(random.random() * 4 * 100) if not (40 < area < ...
0
votes
1answer
7 views

jQuery - div border around map area

Let's say I have this map: <map name="diffmap1" id="diffmap1" class="myMap"> <area shape="poly" coords="152,347,253,292,264,307,167,358" class="diff diff1"> <area shape="poly" ...
24
votes
6answers
2k views

Can I prevent diagonal movement from exploring more of the map?

In a tile-grid where movement in any of 8 directions takes exactly the same amount of turns (chess-board style rules), can I prevent diagonal movement from showing more new tiles than orthogonal ...
0
votes
2answers
31 views

How to control which polygons get rendered first in a batch (e.g. to draw leaves)?

Sorting transparent objects is a well-known problem. If you send a bunch of transparent polygons (e. g. leaves and branches on a tree) into the GPU and render them with alpha blending enabled, the GPU ...
0
votes
0answers
17 views

How to correctly handle collision resolving with the MTV of Separating Axis Theorem?

I am making a top-down 2D game. I am in the process of implementing SAT for better collision detection and resolving (which seems to be resulting in one problem after another). Since I am in the ...
0
votes
1answer
88 views

How can I use a camera matrix with different resolutions?

I created a little jump'n'run game. The character(Mario) is always the center of the viewport. The game is running correctly if I use the resolution 800x480 pixel. But when I use another ...
0
votes
0answers
15 views

How to rotate an image around its own center in AndEngine?

I'm beginner in Android programming with Andengine framework. And my question: How to rotate an image around its own center in AndEngine? I use Body and AnimatedSprite. This is my code: ...
0
votes
0answers
14 views

[solved]Box2D—set Position of multiple bodies

I have a character composed of five bodies which are tied together by a lot of joints. On of them is the overall chassis, to which all forces and impulses are applied to move the whole Character. All ...
1
vote
1answer
42 views

Adapting tilemap algorithm to support isometric tilemap

I'm using Phaser to build an isometric game. The framework doesn't have support for isometric tilemaps yet, so I'm starting to write a PR for it to support. What I currently have, loading an ...
1
vote
2answers
45 views

glGenVertexArrays causes crash

My code keeps crashing at runtime, I have done some creative debugging and determined that it was the glGenVertexArrays that was causing the crash, I've looked around and come across some answers that ...
0
votes
2answers
31 views

How do I deal with different “types” of entities in Entity-Component-System model?

I have CollisionSystem which basically iterates through the array of PhysicsComponent and checks if there was some collision between two entities. But where should interaction code go? And how should ...
1
vote
0answers
12 views

shiffting the camera and set a new scene when using box2d

this is my jsfiddle : http://jsfiddle.net/V8eKp/1/show var Scene = { _Collection: [], addElements: function (Coll) { for (i = 0; i < Coll.length; i++) { ...
3
votes
1answer
303 views

Set a 2d camera's position so that a building is under the players feet

My issue is this: i am making a scrolling game in XNA, and the camera updates based on the players velocity, but the player never actually moves, he is always in the center of the screen. When he hits ...
0
votes
1answer
50 views

Prevent GUI Clickthrough

I'm using NGUI to setup my UI in Unity. Attached to the MainCamera I do have a script to rotate the camera view by clicking and dragging. It does handle mouse events using Input.GetMouseButton(). ...
0
votes
0answers
27 views

XNA rotating sprite with quaternion in scenegraph

I have been trying to set up a scenegraph in XNA, which I then use to draw sprites in the correct places. It uses matrix transformations to accomplish this. So far, I got position and scale working ...
-1
votes
0answers
20 views

What's the recommended way to add instructions for a simple iPhone/iPad game?

I'm making a very simple (single view application) iPad/iPhone game. However, the purpose and point and how-to might not be self explanatory upon launch of the app. Should I add a button "how to play" ...
0
votes
1answer
42 views

JBox2D bodies don't collide?

I have two objects. A dynamic player and a static ground object. It was working for a while until I did some refactoring and suddenly my play falls right through my ground object. Is there anything ...
0
votes
0answers
8 views

AntTweakBar compilation error [on hold]

When I try to add a button to the bar that calls a function when clicked, I interestingly get a compile error. The following is my code, and compilation is due to TwAddButton function call. The error ...
3
votes
3answers
287 views

How can I render something like the swirling clouds of Jupiter?

The effect should be as similar as possible to this, though it does not need to be at planetary scale. I was thinking that it could be done offline via particles, perhaps by directing their motion ...
0
votes
1answer
34 views

Generating shaders from fragments / HLSL Dynamic Linking in older shader models

In shader model 5 is a feature called dynamic linking which separates hlsl fragments by using interfaces and their methods implemented in classes. I don't have any experience with this technique, my ...
1
vote
1answer
52 views

Colors set in Blender not displayed in XNA

I'm trying to create a colored 3D model for my XNA game in Blender. I don't want to use textures - I need only solid colors. Here's the model, as seen in Blender: After exporting to FBX and opening ...
0
votes
0answers
25 views

OpenGL camera Rotation Matrix & view Transformations

Recently i implemented a simple Opengl program that composes of a scene of objects, i've applied most of the transformation & projection matrices, in such away that i am able to rotate transform ...
-1
votes
2answers
58 views

Why is my C# array in unity not working?

I'm creating a 2D brick breaking game in unity 4.3. I want all of my bricks to be different colours for each game, so I've created a C# script to assign random colours to each brick when the game ...
0
votes
1answer
38 views

GameObject remains null for some reason

The idea is to access the function BlockWasDestroyed(); from Combo class. Instead of var combo = gameObject.GetComponent(Combo); I've also tried with var combo = GetComponent(Combo); var ...
2
votes
2answers
44 views

android game development using unity 3d [on hold]

I want to learn android game development. I dont have any programing knowledge. So should I learn JAVA and eclispe to develop games for android. Or should I learn Unity 3d. And is knowledge of java ...
2
votes
1answer
25 views

How do I fit the camera frustum inside directional light space?

I'm trying to improve the coverage of a shadow map for a directional light. Currently, it works great if the camera is looking straight down. However, if the camera is close to the ground and looking ...
0
votes
0answers
26 views

World, View, Projection concept - history [on hold]

I've got some unusual question, actually I would like to know something about the history of the World-View-Projection concept. Where did it come from? When was it used first? Does it exist since DX ...
0
votes
0answers
15 views

Most efficient way of brighten and darken sprites with libGDX1.0

So I have been shading (brighten/darken +adding color) my sprites by using glTexEnvf with GL_MODULATE and GL_ADD and a vertex color. I only had to rebind the batch every time I needed to change from ...
2
votes
1answer
52 views

How do I convert a partially transparent image into polygons?

I'm using GLEE2D, a level editor allowing me to import images, scale them, rotate them, and position them onto layers and export the data into XML format. However, it does not tell me objects' ...
0
votes
1answer
66 views

Move a 2D point to a target (first accelerate towards the target, then decelerate)

I have a point entity that I would like to move to a target point (in 2D). I think I would like it to accelerate away from its current position (the point could already have a velocity), to some ...
21
votes
7answers
3k views

Why do games ask for screen resolution instead of automatically fitting the window size?

It seems to me that it would be more logical, reusable and user-friendly to implement flexible, responsive UI layout over a 3d or 2d screen, which can then be run on any screen resolution. Some ...
0
votes
2answers
86 views

Component based architecture: “pure” or some inheritance?

(I asked a similar question, but it had more questions inside it and I feel it wasn't clear enough, so I'm opening a new one). Until recently I implemented all my games using an inheritance ...
0
votes
0answers
18 views

How to fix surface normal for mesh

I am developing an application that has to take STL files from users. However, some modeling programs seem to invert some of the surface normals. Basically some surface normals will be facing inward ...
5
votes
2answers
68 views

Determine if a set of tiles on a grid forms an enclosed shape

Given a set of tiles on a grid, I want to determine: If the tiles make an enclosed figure If the tiles make an enclosed figure when you count the sides of the board as an edge of the figure If ...
7
votes
2answers
803 views

What kind of projection is demonstrated in this screenshot?

I want to know what projection is used in the following game: The game is Goodgame Empire.
0
votes
0answers
25 views

Focus a turntable style camera on an object

I have a turntable style camera in the maya / blender / alembic / opensubdiv example. I want to be able to match the camera translation to any objects translation pivot point in the scene and then ...
9
votes
4answers
835 views

How does 20Q work internally?

Ever since childhood, I've wondered how the 20Q electronic game worked. You think of an object, thing, or animal (e.g. potato or donkey). The device then asks you a series of questions such as: Is ...
1
vote
1answer
160 views

How does the Unity3D entity system work?

I saw the Java Artemis Entity Component System and thought of the entity system in Unity3D. In Artemis for example you can only add one component type to each entity and the logic is not in the ...
0
votes
1answer
33 views

How can I fix “the referenced script on this Behaviour is missing” warnings?

One of my game objects used to have a script that I have now deleted on purpose. Now it keeps saying this message as a warning: The referenced script on this Behaviour is missing! How can I rid ...
1
vote
1answer
76 views
+50

Why aren't ModLoader's decompiled files showing up?

I want to start making a Minecraft 1.6.4 mod, but have this trouble with ModLoader: I've run the decompile.bat batch file, but when opening the eclipse folder, the bin folder is empty. The batch ...
0
votes
0answers
16 views

Component systems: No inheritance hierarchy at all, or a basic one? [duplicate]

(I asked a similar question, but it had more questions inside it and I feel it wasn't clear enough, so I'm opening a new one). Until recently I implemented all my games using an inheritance ...
-1
votes
0answers
32 views

Updating counters using time.delta

Why when we want to try to make a counter up or down we use counter+=Time.deltaTime; Isn't Time.deltaTime can be a fractions of number like 0.003, that wouldn't be accurate counting.
1
vote
2answers
67 views

Different ways to load/select characters in a RPG game

I am brand new here, and have been designing a two player card game where from tens of thousands of cards each player selects up to 80 cards DECK, and then fights with those cards. For reference Yu ...
0
votes
1answer
67 views

2D physics rotation w/ XNA

I'm creating a simple game with space ships made of blocks that are all the same size. After having looked at this: Calculating the rotational force of a 2D sprite I have created the following code ...
0
votes
2answers
28 views

Converting xnb files to fbx files

All the while I can only find how to convert from FBX to XNB but not the other way around. Does anyone know how can I do that?
0
votes
1answer
29 views

bug in webgl phong shader: lighting rotates with object

I'm working on a simple phong shader in webgl, and I think I'm getting close but something is still wrong. Dead give away: if I have a billboard and have it roll (so it spins like a wheel), the part ...
0
votes
1answer
33 views

Error when using GetComponent (Object reference not set to an instance of an object)

I'm using a textmesh to check variables in real time. Thing is if I use AddComponent within Update(), it obviously starts spamming and slows the game. If I try with GetComponent the error is the ...

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