2D games are drawn in a two-dimensional space using two-dimensional objects. To represent its position, each game object will have an `x` and a `y` coordinate.

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29 views

Text within a gameObject boundries

I am working in a little project and I want to show text within a rectangle. for that I use a sprite(rectangle) and a child that contains a TextMesh as component. The text change during runtime, and ...
0
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0answers
43 views

Which way would a character face if he is moving one way, but pointing his gun a different way? [on hold]

So I am creating a 2D platform game in C++ with SFML, in which the character wields a 2 handed grenade launcher type of gun. The character is controlled with they keyboard (arrow keys or WASD), and ...
0
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1answer
76 views

Creating a top-down spaceship

I'm creating a top-down 2D space game in LIBGDX for android. When spaceship is going forward it will look like this: when it goes upward I want to change it's direction with a nice animation so it ...
0
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1answer
33 views

XNA: Camera's Rotation and Translation matrices seem to interfere with each other

I've been following the guide here for how to create a custom 2D camera in XNA. It works great, I've implemented it before, but for some reason, the matrix math is throwing me off. public sealed ...
-2
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0answers
47 views

How was the art for Braid created? [on hold]

All the backgrounds, foliage, well everything you see really. Would it have been free hand drawn with a tablet or example or how is it done?
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0answers
38 views

How can I dynamically load the correct sprite from a sprite sheet?

I am making a simple card game in unity. The game is based on a standard 52-card pack, with identical backs for unique faces. In my particular game different cards are worth different values and have ...
-2
votes
0answers
19 views

What tech/assets for 2D in unity [on hold]

I'd like to make a 2d game thats heavy on HUD and grid base. The art would be pixel art and I'd like it to be pixel perfect if possible What tech do I use in unity for 2D? I prefer free or free to ...
-2
votes
0answers
29 views

2D Pixel/sprite game in unity? [on hold]

Hi I'm an absolute newbie in unity. In the past I was told unity is terrible for 2d games so I look away after looking at it for a few days. I don't remember if this was right before unity4 came out ...
0
votes
2answers
32 views

What is the easiest and fastest way to display an SDL_Surface in a window with SDL2?

I would like to have an SDL_Surface representing the contents of the window, just like in the old days with SDL1.2. What is the best and fastest way to do it in SDL2? What I found is that I need an ...
0
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0answers
21 views

Can Layer Masks Achieve This Effect

If you look at the image below you will see the player surrounded by a dotted yellow box. The dotted yellow box is also part of the player and represented a portion of the player being masked from ...
1
vote
1answer
66 views

How to make an object move again after being stopped by collision in Unity?

I have a player object which position is always centered on the main camera's viewport. This object has a Rigidbody 2D, a box and circle collider. The player moves around a level, the level has a ...
1
vote
2answers
75 views

Fast determination of whether objects are onscreen in 2D

So currently, I have this in each object's renderer's update method: float a = transform.position.x * Main.scale; float b = transform.position.y * Main.scale; float c = ...
3
votes
1answer
70 views

Character creation using spritesheets

I am currently creating a 2D fighting game and have implemented a system where upon starting a new game, the player is presented with the option to create a custom character. I have a set of string ...
12
votes
1answer
750 views

Efficient way to calculate “vision cones” on 2D tile map?

I'm trying to calculate which tiles a particular unit can "see" if facing a certain direction on a tile map (within a certain range and angle of facing). The easiest way would be to draw a certain ...
1
vote
1answer
104 views

Procedual level generation for a platformer game (tilebased) using player physics

I have been searching for information about how to build a 2d world generator (tilebased) for a platformer game I am developing. The levels should look like dungeons with a ceiling and a floor and ...
0
votes
1answer
82 views

HTML5 Canvas 2D lighting and normal maps [closed]

How using the HTML5 Canvas can I create a 2D game with light sources and also add an extra depth using normal maps. I have never really done lighting in 2D before and I'm not sure where to start. ...
12
votes
1answer
922 views

Algorithm for procedureral 2D map with connected paths

Problem to solve: Generate a random 2D dungeon map for a tile-based game where all rooms are connected. I am looking for better solutions than what I currently have. My current solution is that I ...
1
vote
1answer
73 views

Libgdx 2D Game, Random generated World of random size, how to get mouse coordinates?

I'm a noob and English is not my mothertongue, so please bear with me! I'm generating a map for a Sidescroller out of a 2D-array. That is, the array holds different values and I create blocks based ...
0
votes
1answer
55 views

Warp GameObject Size When Entering/Leaving Area

Below I have an image describing the desired functionality I am going for. Let's say you control a square and when you move this square into a given area, any part of your rigidbody/model inside of ...
1
vote
2answers
88 views

How do you break apart art into components for animation?

I am a programmer and brand new to the game world, trying to get a sense of what it would take to draw simple characters like you'd see in Don't Starve or indie games like that. I have seen in their ...
1
vote
1answer
90 views

Data structures for territories in a 2D map

I am diving into game development with a 2D game. The game will display a territorial map (borders, capitals, etc.). What is a common data structure to use for storing and manipulating the data in ...
0
votes
0answers
10 views

OpenGL ES 1.0 Create a Trapezoidal perspective scaling on a texture while using Ortho

I am using an Ortho projection to do most of my stuff and i am happy with it since i basically do everything on the same plane, now however i need to create a simple "flip card" effect on an object ...
2
votes
2answers
89 views

How do I get rid of this coloured border on my sprite?

I'm working on a 2D game in Unity. My triangle sprites display in-game with a line along one of the transparent sides: Larger view here. You might need to zoom somewhat. It's quite obvious on the ...
0
votes
0answers
44 views

How does character creation work in 2D games? [duplicate]

My question is how does character creation work in (multiplayer) 2D game? For example player wants to have long yellow hair, black armor and white leggings. What should I do? Already have all ...
1
vote
1answer
120 views

How to represent a map in a top-down perspective game with low algorithm complexity?

This is the first time I develop a video-game, and I am kind of lost. I would like to know about ways on representing 2D maps on a top-down perspective game... (Like this one: ...
4
votes
1answer
309 views

How can I have 2 different images seamlessly tile with each other?

If I Google for "seamless tile" I can find many great answers to create a single image that will seamlessly tile with itself. GIMP even has a filter that will automatically make an image seamless in 1 ...
0
votes
1answer
80 views

Surface creation algorithm using points cloud

I am looking for a realtime algorithm to create a 2D mesh using points. But I am quite confused. It seems that Delaunay triangulation can help me create mesh using point clouds, but Meta-balls seems ...
0
votes
1answer
117 views

Gamemaker vs Unity2d - Speed of Development [closed]

I know coding, so programming is not a problem Money is not a problem at all, I can get both GameMaker Master Collection and Unity Pro I want to make a 2d game. So which one is better for speed of ...
1
vote
0answers
101 views

UI rich Strategy/RPG UI - 2D Game Engine or UI Toolkit? [closed]

I'm on the fence regarding the graphics engine of my current game and hope for some advice. This is an UI heavy strategy/rpg. Although the game is played on a (simple) 2D map, it is largely turn ...
1
vote
1answer
53 views

Move an object up while touch is active

I'm trying to move an object towards the top of the screen while the touch is active. This is my current code. When I am touching the screen, the object I'm trying to move just keeps it's place (and ...
-1
votes
1answer
82 views

Code explanation

Can someone please explain whats going on in this code written by Paul Irish I did not understand the draw(). function draw() { var time = new Date().getTime() * 0.002; var x = Math.sin( ...
0
votes
0answers
99 views

Picking tiles in an isometric diamond map

I am rendering a isometric map with the following code: for(var x = 0; x < MAP_WIDTH; x++) { this.map[x] = []; for (var y = 0; y < MAP_HEIGHT; y++) { var screenX = ...
0
votes
1answer
57 views

Help finding time of collision

I am making a simple game right now and am struggling with collision response. My goal is to someday be able to turn it into a 2D platformer but I have a long way to go. I am currently making this in ...
1
vote
1answer
72 views

Spritekit - gradually apply force vector in different direction (space ship turning)

I have a space ship that I'm applying a force vector to using a joystick for control. I would like this to smoothly fly around when I'm switching directions.. Exactly like minisquadron if you've ...
1
vote
1answer
101 views

Fire Delay Timers

I currently have a turret that can fire projectiles. I can control the delay between shots (fireDelay), and I can control the time needed to reload the magazine of the gun(reloadDelay). I do the ...
0
votes
1answer
74 views

How to properly generate walls simulating perspective around stone in a cave-like level made of squares?

Long story short. My levels tiles currently look like this: And i want them to look like this: My levels are designed as 400x400 squares of proceduraly generated 0's and 1's, 0 representing ...
1
vote
0answers
53 views

Is it possible to reverse perspective projection with simple scale and translate? [duplicate]

Basically I'm asking this question (which seems to have gone un-answered): How to do perspective projection “parallax” but without changing the scale or offset of objects? I'm using perspective ...
2
votes
1answer
143 views

How should I set up 2D animations for weapons in Unity?

I have a character composed of several sprites (legs, torso, head, arms). The character has the ability to pick up weapons, which are of varied types. Each type of weapon has its own animation ...
-1
votes
1answer
120 views

How do I find the tile I'm standing on?

I want to get the specific tile I am standing on. My Tiles are in an Arraylist so I can destroy them later. How can I do this? Here's my Level-class (where my Lists are): public class Level { ...
13
votes
6answers
2k views

Creating a seamlessly looping 2D multiplayer level?

A discussion came up recently about how to create a 2D side-scrolling multiplayer game that can have an looping level design (Think of Starbound and how their worlds are looping). I thought the ...
0
votes
0answers
40 views

2D Orthographic camera movement clamp in any orthographic size

I have a problem, which i currently can't figure out how to solve. I am trying to calculate a clamp value for world coordinates which have to respect any camera orthographic size.I bought an image ...
0
votes
1answer
144 views

Camera controller in a 2d platformer

I'm basically bumming around using Unity's 2D creation tools, and I've managed to create a little platformer physics demo. There's a lot of work to be done, but I've got basic movement down, some ...
0
votes
1answer
54 views

How are 2D transformation matrices applied to their targets?

I understand mathematically how transformation matrices work, in that a transformation matrix multiplied by a vector results in a new vector, and we use the matrices for rotation, translation, etc. I ...
15
votes
3answers
2k views

Best way to store game-wide variables

I have an options Screen for things like Difficulty, Resolution, Full Screen, etc but I'm struggling to find the best way to store/obtain these variables at game time. The way I've currently decided ...
0
votes
0answers
38 views

Web-Based Traffic Simulation based on Discrete Event SImulation + AI

I'm working on the application of 2D web-based traffic simulation. I am looking for a library that is suitable for my application. I'm making an application based on discrete event simulation, each ...
0
votes
1answer
80 views

Simultaneous Animation for a GameObject - Unity3D

Its my second week with Unity. I am doing a 2D game and I have a small GameObject which should change its sprite along with following a definite path defined in Animation Curves. I did both of them ...
0
votes
0answers
28 views

Using a Quad to cut out a Layer?

Looking for options on this, but I wanted to take a Quad (or other shape), apply a material to it, and have it cutout an entire layer, to reveal the layers below/behind it. Sort of like a portal ...
1
vote
3answers
121 views

2D Side Scroller Game Without A TileMap

I want to create a 2D side scrolling game in a similar style as the game "Castle Crashers". (Go to: http://store.steampowered.com/app/204360/ to see some pics of the game). I have experience ...
1
vote
1answer
124 views

Is game maker studio actually flexible enough to cater to an avid programmer? [closed]

After I got burned by RPGMaker which seemed fine what with the semi-open Ruby-like engine until you encountered some nasty surprises like the draconian resolution limitations etc., I've become more ...
3
votes
2answers
113 views

Why are my Box2D wheels slipping on ground?

I have a car, set up in Box2D as a rectangle connected with two wheels using WheelJoints: The wheels are defined as follows: FixtureDef wheelFixtureDef = new FixtureDef(); ...