A set of rules that govern an in-game experience. Game design is an effort to come up with game mechanics that allow for players to have a fun and engaging experience.

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2
votes
0answers
85 views

Why do unidentified items seem to solely exist in roguelikes? [closed]

Playing a variety of games I noticed that some concepts are "trapped" in the realm of roguelikes. One of the most intriguing game-play elements in roguelikes is the unidentified item. The unidentified ...
0
votes
0answers
20 views

make ball to bounce [duplicate]

I'm making a game in GameMaker. I would like to know the code needed or the condition for a line that the player would draw and then a ball would bounce on it
5
votes
3answers
379 views

Representing realistic population

What's the best way to represent a realistic population number (e.g USA:317,569,000) in game? For example, Civilization your city has 1 Citizen. Obviously, a city can't just have one person in a city ...
10
votes
6answers
2k views

Why do modern games not feature extra lives? [closed]

In the late 80s and early 90s, most games had an extra life mechanic. The player started with limited lives (often three) and dying depleted one of them. If they still had some remaining, they would ...
6
votes
3answers
348 views

How can I distribute powerups “fairly”? [closed]

I'm implementing a Bomberman-esque game in which players try to eliminate each other on a square tile-based arena. I'm currently implementing powerups that give the player who collected them a bonus ...
7
votes
5answers
570 views

Why would one have “waves” in each stage of a tower defense game?

For example, in Plants vs Zombies, the zombies come in waves. If I recall, there's always at least two waves. The first and easier wave and then when you get 90% through the stage there's a "final ...
30
votes
9answers
2k views

Is it possible to calculate or mathematically prove if a game is balanced / fair?

This question is not focussed on video games but games in general. I went to a boardgame trade fair yesterday and asked myself if there is a way to calculate the fairness of a game. Sure, some of them ...
3
votes
1answer
231 views

Verify which bubble is connected to top using DFS

I am working on a bubble shooter game in this game i have implemented searching using DFS as suggested in this link, and this is working fine. Update Here is my code for DFS ...
1
vote
0answers
111 views

LibGDX polygon caching

I am developing an Android game using LibGDX and I have big world map made of polygons. I use PolygonSprite and PolygonSpriteBatch, when I render map, I get 30-35fps and it feels laggy. I wonder if ...
0
votes
1answer
112 views

Game states vs calling new activities

I am trying to decide what the best method is to call "level complete-screen" and "game over-screen" in my real-time android 2d game. Currently I am using game-states and only updating my game when ...
0
votes
0answers
305 views

NavMesh agents pushing other NavMesh Agents in Unity Pro

Using the NavMesh system in Unity, I created pathing system for my player character as well as the enemy AI. When a group of enemy NavMesh Agents surround my player character, they can be pushed out ...
-1
votes
1answer
38 views

Centering three rectangles of different size

If I have 3 different sprites, that each belongs to the same sprite but with different animations type. Each has a different width, height, in the sprite sheet. How do I adjust the 3 using math, to ...
1
vote
2answers
137 views

How can I make different levels in a game?

Let's say I was working on a platform game. Each level has an exit. When the player reaches the exit, the game switches to the next level. What would be the best way represent and switch to the next ...
5
votes
1answer
680 views

How to balance experience gain in an RPG

I am currently developing an RPG game with a classic experience-points and levelup mechanic. The player kills monsters, gains experience points, levels up when they collect enough and become stronger. ...
10
votes
2answers
393 views

Showing range on hexagonal grid

Here is the situation. I have hexagonal board,and a unit on it,with speed or move value 4.Diffrent terrain has a diffrent cost.When i click on the unit,game should show me a move range. My solution ...
4
votes
1answer
241 views

How should I track real-time resource generation in a client-server scenario?

I am currently building a game that has a "City" entity. These cities generate and consume resources such as food variably over a period of time. I need to be able query the server often to find ...
3
votes
2answers
238 views

How to implement special weapon and armor effects (ex: vampiric, holy, damage shield, thorns)?

I'm working on the inventory system for my game, and am interested in how do I implement additional weapon and armor properties that are not just damage or armor? If all I have is damage and armor, ...
2
votes
1answer
124 views

How do I generate paylines and pay dots for a slot game?

I'm working on a HTML5 slot game and am completely stuck on the pay lines and the dots that produce the lines from 1 end to the other. What's the logic behind generating a random number of dots ...
1
vote
2answers
246 views

How can I tell the player that a key or other item can be discarded?

We're working on a survival horror classical Resident evil (1, 2, 3, 0, REmake) type of game - link. I'm using Unity3D with C#. There's something that's kinda puzzling me - more a game design ...
4
votes
2answers
433 views

What is the name of this power or value-oriented gameplay mechanic?

I would like to identify the name of a certain gameplay mechanism. It is fairly commonly seen but probably best illustrated with card games: A game played with a pack of cards usually has card values ...
-1
votes
2answers
172 views

What is a Game Engine? [duplicate]

I am new to Game Development, All I have developed is some 2d Games, using Game Maker by YoYo Games. There game development is much more easy, just as simple as Drag and Drop. But, Now I wish to ...
0
votes
1answer
99 views

What would be a suitable way to model projectiles in an action game?

I'm designing a 2d fighting game in which characters can shoot out some projectiles like arrows, ninja knives, Hadouken (like the one in Street Fighter), etc... My current character design is ...
4
votes
1answer
113 views

How to manage sleep/awake state of physics body

I have a loop, which updates all the physics, inside the loop I'm updating the position of the objects, first thing is the gravity, which pulls all the objects to the bottom. Now my question is, how ...
10
votes
5answers
1k views

Balancing game difficulty against player progression

It seems that the current climate of games seems to cater to an obvious progression of player power, whether that means getting a bigger, more explosive gun in Halo, leveling up in an RPG, or ...
11
votes
3answers
414 views

As an indie game dev, what processes are the best for soliciting feedback on my design/spec/idea? [closed]

Background I have worked in a professional environment where the process usually goes like the following: Brain storm idea Solidify the game mechanics / design Iterate on design/idea to create a ...
1
vote
1answer
913 views

3d transformation of game world keeping gameplay 2d - COCOS2D 2.0

Using: COCOS2D + iOS. I want to rotate the game world, may be loading another .tmx file for another dimensions when user want to switch dimension. the effect what I am looking for is something like ...
8
votes
2answers
614 views

How do I choose the scaling factor of a 3D game world?

I am making a 3D tank game prototype with some physics simulation, am using C++. One of the decisions I need to make is the scale of the game world in relation to reality. For example, I could ...
2
votes
2answers
323 views

Designing spawning system

I played this game recently http://www.kongregate.com/games/JuicyBeast/knightmare-tower and I am amazed by the way how different monsters are beign spawned. I personally developed my own shooter game ...
3
votes
3answers
396 views

2D game with 3D collision?

How do they do this bounce? Looks awfully complicated in 2D.
5
votes
2answers
879 views

Character progression through leveling, skills or items?

I'm working on a design for an RPG game, and I'm having some doubts about the skill and level system. I'm going for a more casual, explorative gaming experience and so thought about lowering the game ...
1
vote
1answer
282 views

I'm not sure why my shape is not moving

So I am trying to teach my self how to my develop games with java by cloning older games. At the moment I am cloning Pong, and I can not figure out why my paddle is not moving. The move method should ...
9
votes
3answers
2k views

How to implement the logic of a trading card game's “special effects cards”?

I am trying to write a kind of a trading card game here, in some way, it is similar to Magic The Gathering, or the Yu-Gi-Oh! card game. For those of you who are not familiar with it, basically, in ...
3
votes
1answer
220 views

Logic for selecting random rewards [closed]

I am making a RPG game and I am seeking a bit of information on how to grant players random rewards, such as game items, weapons, gold, etc... after defeating a monster, or a NPC of some kind. The ...
1
vote
1answer
439 views

How to handle a player's level and its consequent privileges?

I'm building a game similar to Mafia Wars where a player can do tasks for his gang and gain experience and thus advancing his level. The game is built using PHP and a Mysql database. In the game I ...
0
votes
1answer
86 views

Dynamically editing a movieclip at runtime

I am trying to make a flash game(actionScript-3 if it matters) to test what I learned so far. And, in the game, I want to make the character(a robot?) customizable. The first solution I found was to ...
0
votes
0answers
84 views

new direction math for android sample app Snake

I am playing with Android sample app Snake. The code for the original snake-move direction math is below. It is very simple. The direction is determined by which quadrant the touch is in based on the ...
1
vote
0answers
111 views

Creature experience gain RPG [closed]

Imagine some creatures that fight and gain experience when they win. After some experience, they level up. Im trying to define a well balanced fair model. I Designed 3 types of growing (Slow Medium ...
2
votes
2answers
916 views

Should I code game logic separately from game engine scripts

I'm developing a game in Unity3d, economic strategy. I wonder if I should code logic inside unity scripts, or write it as an external module/library? By game logic I mean game model, which describe ...
4
votes
3answers
486 views

Skill vs. Luck, the ratio and its measurement

Gamer buddies, is there a term to describe the level of variance in a game, in comparison to luck. The card game war would have 0 skill and 1.0 luck because the player cannot affect the game. I can't ...
2
votes
1answer
186 views

Setting a displacement or offset between Snake segements

I have a problem in maths or I do not know. I have drawn few circles that simulates the body of a snake, the head of the snake moves and others should follow. but the is no offset or displacement ...
1
vote
1answer
185 views

How could I figure out the shortest way to turn, and whats the angle? [duplicate]

I'm creating some robots for my tank game. I want them to find each other and shoot each other down, so I'm trying to implement a way for them to turn towards each other, and turn the shortest way. ...
11
votes
4answers
13k views

Logic behind a bejeweled-like game

In a prototype I am doing, there is a minigame similar to bejeweled. Using a grid that is a 2d array (int[,]) how can I go about know when the user formed a match? I only care about horizontally and ...
1
vote
3answers
420 views

Reward volatility of League of Legends matchmaking system

According to this article in league of legends matchmaking there's an average of 50/50 chances of winning or loosing a game based on how system ranks a specific account (player skill). However this ...
0
votes
1answer
99 views

watching for changes in object state

I'd like to know what others do to watch for changes in object states while the game is running. Say you have an object and that object has a timer. The timer completes. What is the best way to know ...
5
votes
1answer
184 views

Scaling a game world both for realism and for mechanics

I am currently working on a turn-based 4X game, and one of the things I quickly ran into was a question of scaling. On one hand, I want things like realistic sizes (having some idea of what each tile ...
2
votes
5answers
2k views

How do I come up with the game mechanics for a puzzle game?

I want to make a puzzle game, but I don't know how to start. I have observed that each puzzle game has a core mechanic that enables opportunity for numerous puzzles. I'm not sure how to think of ...
-1
votes
1answer
56 views

Reverting the view SDL

So in my SDL application, which I setup for OpenGL, if I were to do the following code: glBegin(GL_QUADS); glVertex2i(0, 0); glVertex2i(50, 0); glVertex2i(50, 50); glVertex2i(0, 50); glEnd(); The ...
7
votes
2answers
455 views

How to synchronize actions like jump in multiplayer?

I am a newbie game developer and I have been researching about multiplayer games. I observed that there's always some latency, the players always get updates from past actions. But there are ...
0
votes
0answers
188 views

How to handle Null Pointer Exception in libGDX's Box2D ContactListener?

What's up everyone, I am heuristically producing a Pong clone in Box2D via libGDX. The Null Pointer Exception is originating in the ContactListener's beginContact() method in which I am trying to ...
-1
votes
1answer
223 views

Human to Monster Morph on 2D graphics [closed]

A friend and I are writing a topdown RPG called NecroMonster. In the game when you defeat an enemy you can take its shape (basically morph into it) and we dont know how to make this look right. First ...