# Tagged Questions

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599 views

### In 2d game logic, should I use pixels or world coordinates?

Currently in my game I handle the logic (collisions, movement) using pixels but I find it very limiting espiecially when thinking about variable speed. For example Box2D requires you to use ...
3k views

### 3-in-a-row or more logic

This is a bit more difficult than it seems and the one other post on here isn't sufficient. You have a row of n items, and each item could be any one of 5 colors. You need to find if there are any ...
670 views

### How to handle “weapon slots”?

I'm working on implementing an RPG engine, and I'm trying to figure out the best way to implement equipment. The really tricky part is the hand slots. It would be easy to give a character one hand ...
451 views

### Derive a algorithm to match best position

I have pieces in my game which have stats and cost assigned to them and they can only be placed at a certain location. Lets say I have 50 pieces. e.g. Piece1 = 100 stats, 10 cost, Position A. Piece2 ...
145 views

### Is there a logic game engine to be used in OS game? [closed]

Ludocore is a paper where a research on a logic game engine is presented. For game I cooperate on -- Opendungeons -- it would seem fine to have separate abstract layer of code which would deal only ...
270 views

### Logic For camera Movement

Every time I move the hero on my screen I increment a screenOffsetX and a screenOffsetY. These add 1 if you move right, -1 if left to the sceenOffsetX. Add the screenOffestY +=1 if down, -=1 if up. I ...
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### Safe zone implementation in Asteroids [closed]

I would like to implement a safe zone for asteroids so that when the ship gets destroyed, it shouldn't be there unless it is safe from other asteroids. I tried to check the distance between each ...
868 views

### Logic behind a checkers game? [closed]

I'm starting to make a checkers game and I've got all my graphics + the board drawn. Before I moved on to creating the pieces I was wondering what an easy way to tackle the logic side of the movement ...
5k views

### Snake game logic

So I'm thinking about making snake game. I started thinking about it. I figured out almost everything, but I have found one fundamental problem I can not fix myself and I need your help. The logic ...
265 views

### Logic / Render phases with a single thread

The question I have may generate different opinions from different developers, but I'd still like to have an answer on this. Its all about the updating and rendering steps of the game loop, and their ...
221 views

### Java: Standing Animation

I've been working on a top-down, and the player already has animations for moving left and right. However, if I move a certain distance and stop, it will stop on the walking animation, which isn't ...
5k views

How does one separate game logic and rendering? I know there seem to already be questions on here asking exactly that but the answers are not satisfactory to me. From what I understand so far the ...
434 views

### rotating an object on an arc

I am trying to get a turret to rotate on a 90 degree arc (rotating about 2 orientations about the y-axis), and have hit a wall. I have 8 possible starting orientations (multiples of 45 degrees about ...
865 views

### Opponent car logic in race games

I'm developing a race game in Andengine. I have created a car which player is controlling. But since this is a race game, there should be 3 or 4 car which snatch with the player's car. My question is: ...
1k views

### Game Logic - Tree Based Game Design

I'm trying to write an easy to use and extremely modifiable game engine in C++. I was thinking about using a tree to store game data. All objects would inherit a from the Node class and would have ...
447 views

### Logic to path finding checking

I'm a little stuck on the logic to how i use my path finder efficiently in my game. This is basically how the game works: Building generates goods "Factory" > AI transports goods to "Warehouse" ...
197 views

### initialising units' properties & upgrades

I'm making a RTS in which units can get several cyber-upgrades (individual, not as a global tech-tree upgrade like in most RTS games) before they're created. Now, I'm trying to decide how to do this, ...
889 views

### Best way to separate display and game logic (threads)

What is the best way to separate render and game logic threads? I'd like to make logic-heavy game (ai, machine learning, and network) in which world updates 50-60 times per second. I want to ...
6k views

### Game logic on the server! Good or bad?

I'm currently planning a simple online multiplayer game. And here is the question. Does it make sense to make the whole game logic on the server and just send the input from the client to the server? ...
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### How to decide who wins a race?

I'im thinking of building a text-based browser game. A racing game.like F1 or rally. users can set-up a car. thinks like tyres, fuel, driver,brakes. every attribute gets a value. the part where i ...
1k views

### Stuck on development of turn-based-strategy game

I am developing a turn based political/military strategy game similar to the DOS game Conflict. I have my game design document completed, but I'm having trouble actually putting together the logic of ...
586 views

### Linking nodes algoritm for Visual Design

I'm developing an editor for my game, and now it's time to make a visual scripting system to let designer modify behaviours. This video shows what i have done and the problem to resolve the link ...
563 views

### Is it possible to have concurrent collision detection where every entity acts at exactly the same time?

There are many algorithms that can be used for collision detection. In many cases we check for an overlap in coordinates of an entity. If we make a triangle a,b and c. We have 2 entities at a and b ...
1k views

### Whats the most efficient method for controlling entities?

I'm creating a tower defense game and I'm having logistical issues trying to figure out how to best have all of the enitites do their apporiate task. I have considered just constantly looping through ...
1k views

### Separating logic/update from render/drawing code in a single thread using sleep

I've read that the speed of game objects should not be hindered by FPS but instead should be based on time. How can I seperate the update/draw code to maximize performance without limiting the drawing ...
2k views

### How does an Engine like Source process entities?

[background information] On the Source engine (and it's antecessor, goldsrc, quake's) the game objects are divided on two types, world and entities. The world is the map geometry and the entities are ...
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### rotating an object from sourceAngle to destAngle, both 0-359, clockwise or counter clockwise?

I've got a game object i need to rotate. It's current angle is player.rotation, the destination is targetAngle, both in degress, 0 to 359. I've got a function named rotateDirection(float sourceAngle, ...
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### Can you share some URLs for tutorials that demonstrate programming basic game logic? [closed]

I'm really looking for some of the basic concepts to get started, like decision trees and some discussion around aspects of AI and what to consider. A tower defense game would be a good example (but ...
1k views

### Question about separating game core engine from game graphics engine

Suppose I have a SquareObject class, which implements IDrawable, an interface which contains the method void Draw(). I want to separate drawing logic itself from the game core engine. My main idea ...
1k views

### Save Security with MD5 Hash

I'm working on a flash game that saves your progress locally. These saves can easily be hacked. My solution is to add an md5 hash of all the variables saved into the save file itself. When loading the ...
3k views

### Separating physics and game logic from UI code

I'm working on a simple block-based puzzle game. The game play consists pretty much of moving blocks around in the game area, so it's a trivial physics simulation. My implementation, however, is in ...
2k views

### Data Structures for Logic Games / Deduction Rules / Sufficient Set of Clues?

I've been cogitating about developing a logic game similar to Einstein's Puzzle , which would have different sets of clues for every new game replay. What data structures would you use to handle the ...