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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6
votes
1answer
227 views

Orbital mechanics: orbit as a function of time. Universal variable formulation?

I am trying to model a two dimensional orbit for a two body Kepler problem but have gotten stuck when introducing the time variable. For a satellite with known semi major axis (a), eccentricity (e), ...
1
vote
1answer
60 views

Click counting and actions based off count

So I have a button that is the 'mine' for my incremental game. I would like to track the number of times that it is clicked and be able to do two things: Have events happen say every 5 clicks. ...
0
votes
2answers
506 views

Effectively implementing a game view using java

I am writing a 2d game in java. The game mechanics are similar to the Pokémon game boy advance series e.g. fire red, ruby, diamond and so on. I need a way to draw a huge map maybe 5000 by 5000 pixels ...
2
votes
1answer
74 views

Approximating strength and hardness of alloys

I do not have any formal education in metallurgy, but I am trying to make a game mechanic based on it. I need to be able to alloy together different metals and alloyable materials such as carbon in ...
-1
votes
2answers
107 views

How to model an Attack( ) action? How to model combat? In general, how objects communicate?

I never understood how would you elegantly describe two people talking in OO. I think this question extends to how similar objects communicate in general. I am designing a game now and Units have to ...
3
votes
1answer
71 views

Setting 4 different enemy spawn zones off screen

This is my first game, so I really appreciate all the help. I want to create four enemy spawn zones for enemies and this areas are off screen. The enemies are coming from left, right, up and down, ...
1
vote
0answers
53 views

How can I detect sprite collisions out of screen?

I am creating an Android game using andEngine library. I have enemies coming from out of the screen into the screen. I already know how to detect collisions, but is there any method I can use to ...
4
votes
3answers
165 views

Game Design - Challenging a player in an RPG-like game without removing easy cards

I'm designing a card game that I'm implementing on the computer that mirrors some gameplay aspects of dungeon crawlers and RPGs. The player's object is to survive as long as possible from the ...
1
vote
2answers
91 views

How can I exclude my enemies from spawning in certain zones generated at random?

I have a code where I randomly generate enemy spawn position, but I want to exclude some areas since it's colliding with some sprites it shouldn't collide with. This is the code where I generate the ...
1
vote
4answers
1k views

Beginning RTS game student project [closed]

I have experience with XNA and Unity3D. I have also built my own engine with Tao and C#. I am in last year of college and I want to make a small RTS game demo, nothing fancy I won't bother much with ...
2
votes
2answers
1k views

Create a continuous flight path on a Bezier Curve in Unity3d

I am working on a game in which a butterfly is flying along some path. What I am trying to do currently is create a Bezier curve starting from the butterfly's position(previous curves end point) and ...
4
votes
0answers
92 views

Conceptual question regarding Belief-Desire-Intent agent

I've been researching the Belief-Desire-Intent model and the way they used it in the original Black and White Game(which is the same, but they also defined decision trees as opinions). I have a ...
-1
votes
1answer
243 views

How to use custom font in Phaser ?

I am trying to load webfont in Phaser, I have seen the Phaser example but I cant understand, what asset do I need,what function I have to call....,what exactly look like the javascript file?. I am new ...
2
votes
0answers
128 views

More realistic currency for spaceship battle game [closed]

This is slightly related to real development but as you know hardest thing to do for developer is naming things. So now I can't figure out what specific currency to use in my spaceship battle game. ...
1
vote
2answers
141 views

Why does player still leave map?

I'm making a simple HTML5 RPG in pure JavaScript likened after Nox, Diablo or Titan Quest, with the character centered on the screen and the map moving around it. TL;DR: My character, when colliding ...
2
votes
2answers
99 views

Algorithm for spending x points on y things divided by n people

I'm trying to devise an algorithm to spend a given amount of points on a randomly generated list of items each with their own cost in a way that results in having a number of items that is divisible ...
3
votes
2answers
614 views

Implementing a 4x4 Game Board

I struggle with efficiency in code, and I want to start my game off on the right foot. I have a game that I'm making a 4 x 4 map of 'tiles' that a user can build their 'town' on. To keep track of ...
0
votes
2answers
126 views

Game Mechanics Suitable for a Game about Issues of Immigrations [closed]

So, I'm working on a video game design concept, dealing with the problems of an immigrant family and how they will try to blend in the society. The universe is a fictional universe. I was wondering ...
0
votes
1answer
105 views

How do I create a playing field of collapsing bubbles, as in Tsum Tsum?

Tsum Tsum App is a pretty interesting game and I am wondering how the main play area's data structure is, erm, structured? Characters are stacked, disappear as the player swipes over matching ones, ...
0
votes
2answers
217 views

Why do FPS games often automatically reload? [closed]

Was pointed here by Arqade's Meta On every first-person-shooter game I've played I've noticed that the 'automatically reload when empty' game mechanic is always used: I've always found it ...
1
vote
1answer
59 views

Calculating ln (natural logarithm) in games

I am developing a game for tablets using the Marmalade SDK and Cocos 2dX. In my game I have implemented a separation steering behavior in order to keep some of my characters separated from eachother. ...
4
votes
2answers
306 views

What would a good hacking gameplay look/feel like?

In real life, 'hacking' (that is, using brute-force attacks to guess a password) is not very interactive. In fact, it works pretty much independent of any user from the moment you press Return until ...
2
votes
2answers
194 views

Daily quest system

I am creating a game for Android/iOS. The game has a server that communicates with my appengine database. I want to implement daily quests as motivation for the players to return every day, but I need ...
16
votes
2answers
2k views

How to design context menus based on whatever the object is?

I'm looking for a solution for a "Right Click Options" behaviour. Basically any and every item in a game, when right clicked, can display a set of options based on whatever the object is. Right ...
4
votes
1answer
192 views

Dialog/event system in Java/libGDX

I hope that I'm posting this correctly as I'm new to the site, feel free to correct me if I'm in the wrong spot. As for my issue: I'm working on an 2D side-scrolling platformer game in libGDX, and ...
0
votes
1answer
16 views

libgdx: 2nd var of myClass()'s values saving to/overriding 1st var of myClass()

I'm using libgdx with Eclipse. PROBLEM: In the class inputHandler I have a list of buttons, menuButtons, composed of 2 buttons: playButton and retryButton. They both belong to the class ...
-1
votes
2answers
52 views

Before I change position I want to check if the gameobjects are collinding

For starters I'm new to Unity3d. So my question is when I click on an object I want to change its position but without collinding with the other objects and I need a function to check that. I already ...
8
votes
2answers
6k views

Interaction between engine parts

I want to ask a question about how the information exchange between game engine parts should be implemented. The engine is separated in four parts: logic, data, UI, graphics. In the beginning I made ...
0
votes
0answers
67 views

Goal keeper AI with animation

I'm working on football simulation game. I am trying to implement Goal keeper AI. I did calculated ball trajectory and intersect point. I wanted to Goal keeper to dive to the interaction point and ...
2
votes
1answer
46 views

Detecting possible moves in a swap-match game

I've been coming up with ideas for how I would go about programming a Bejeweled-like minigame. After some deep thought, I've managed to figure out how to detect matches (including special bonus cases ...
6
votes
2answers
898 views

How to create rope?

I'd like to re-create this game, but I have no idea how to create the rope, or its influences on the ball. Basically, there is a rope, "attached", at one end, to the mouse pointer, and at the other ...
3
votes
2answers
2k views

Designing Drops system - How and where chance of drops are defined?

Just found a related topic but I have different/extended questions I was wondering how the implement the drop system. I have to start designing the DB model for this so I was wondering whether what I ...
4
votes
1answer
189 views

How can I show slow motion?

In my very, very simple 2D game I'm working on, I'd like there to be moments of slo-mo. What is the best method of showing the player that the game is currently in slow-motion? As in, what is the ...
0
votes
1answer
37 views

Using Similar Mechanic Names For Attributes

I am working on a pen and paper game and I am wanting to use three core attributes that everything else is based off of. These three attributes being Physique, Skill and Will. However, if you're ...
3
votes
5answers
6k 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
vote
0answers
114 views

How to add 3D Sprite on tmx file background using Cocos-2dx?

We have been working on sample game, wherein we want to show 3D sprite on .tmx file(background). But 3D sprite is never shown up, though we tried setting tileMap->setGlobalZOrder(-1). Following is ...
0
votes
0answers
39 views

Implement Special Effects triggered at certain moments in game

In my turn based RPG/Puzzle game I planned to have different Special effects, which enemies, weapons and armory can have. So for example an enemy can have a "poison" effect, which has a certain ...
0
votes
1answer
98 views

What is the best way to manage 'state' in Phaser?

I have heard that this is not the best way to manage state in phaser var game = new Phaser.Game(800, 600, Phaser.CANVAS,'YourGameName'); game.state.add("Boot", Boot); game.state.add("Preload", ...
0
votes
1answer
117 views

is there a formula to know how many enemies i can place before jumping character?

My game is very similar to the hidden game in chromes web browser. I have a character that needs to jump over incoming enemies. Is there any way i can know when to send an incoming enemy? Some of the ...
89
votes
12answers
56k views

How to develop RPG Damage Formulas?

I'm developing a classical 2d RPG (in a similar vein to final fantasy) and I was wondering if anyone had some advice on how to do damage formulas/links to resources/examples? I'll explain my current ...
5
votes
2answers
2k views

Implementing strafe jumping

As a Defrag player, I would like to add advanced movements to my (simple) game, in particular strafe jumping. I currently have basic fps movements (WASD and free look to be clear), but how can I add ...
2
votes
2answers
602 views

How to randomly spawn obstacles for infinite runner?

I am trying to create randomly generated path properly? Think of flappy bird (its not really) but my code/algorithm is all wrong. If I make BarMax, BarMin too large, then player can cheat cos in ...
1
vote
2answers
153 views

How can i handle collision response in a voxel game?

I'm making a voxel game with cubes - like in minecraft - and I have figured out how to check wether the player is colliding with a voxel, I have just done it by checking wether the player is within a ...
0
votes
3answers
218 views

Procedural generation of stars in the background with given random seed

I want to generate stars (actually a 2d vector) in the background. The player is moving left and right endlessly. When the player moves the stars, which aren't in sight anymore, should be deleted from ...
0
votes
1answer
97 views

MMO - Boss Action Distribution

I was considering how MMO mechanics work and especially how NPC/mob decisions are calculated and distributed among players. Say for example that you have a team of 5 fighting a boss. The boss's ...
-1
votes
1answer
40 views

How to calculate coordinates of ball when collided with a wall?

I'm developing a game like bubble shooter and need to implement bounce of ball off the vertical wall. I have the following inputs: Starting position of bubble: {left: 382, right: 378} Firing angle ...
0
votes
1answer
214 views

Diagonal Movement with Pygame Rect Class

I have been using pygame and have been struggling to understand how to implement vectors and the pygame rect class to make an image move diagonally on the screen at the correct speed.I know it must be ...
1
vote
1answer
123 views

How not to show ads to paid customers when I decided to make it free?

I am planning to publish a paid game built with Unity. After a while I will update the game as free and will start showing ads. But I do not want my first paid customers to see the ads after ...
0
votes
0answers
45 views

How can L-system detect intersections between two lines [duplicate]

I'm trying to create a Procedural Road system using L-system, but I have no idea that how can I detect is there intersection between two lines in L-system, I can use a for loop to check one line ...
1
vote
0answers
37 views

Weapon index sets index values to the same

i've got a question about my unreal blueprints. I've been trying to get this right for almost a month now, but i don't know how to fix this. These are my are down below and a small video to explain my ...