2D refers to two dimensional space where coordinates are represented with X and Y values.

learn more… | top users | synonyms

4
votes
2answers
66 views

2D Collision Box Clipping

There is this strange issue with the collision in a game I am making. When the player is slightly lower than a block it is colliding with from the side, the player ends up clipping to the top of the ...
1
vote
2answers
75 views

Unity2D - Save everything in a scene before loading another and come back to it?

So I have am into this endless runner thing where everything is generated randomly from prefabs. Okay cool! But I am currently working on a bonus collectible which takes the player to another scene. ...
-2
votes
2answers
123 views

What software to use to make games for free with commercial use? [closed]

I am going to make a 2D game, I need free software for my team of five or less people. I should be able to sell in-game currency but the game will be free. The software should be able to compile the ...
1
vote
0answers
41 views

lwjgl Move 2D projectile in direction from coordinate pair

So I am having issues getting my projectile to move properly at all, the help I have found have only made this worse and have not actually given any heading as to what I am doing wrong. Can anyone ...
3
votes
1answer
174 views

How can use a 3D map with 2D characters (Unity)? [closed]

I tried to search something about it but I can't find any complete or well-explained tutorials about how to use a 3D map with 2D characters and items, like Ragnarok or Final Fantasy Tactics. If there ...
1
vote
0answers
40 views

Change gui in java game

im making a 2D Server/Client game, i have very little to no problems with the server but now i wanna work at the client. I think about using a JFrame and all the other gui classes/methods. My question ...
1
vote
1answer
65 views

2DRaycast is shooting slightly in wrong directions

I wanted just a simple 2DRaycast, which points from my character to my mousePointer. So I found the following code in the Internet, most people seem to use it like that. So I tried it, but it isn't ...
2
votes
2answers
666 views

Unity 2D Alpha cutout layer for Sprites

I'm trying to make a simple Fog of War effect for my 2d game, similar to these: . I want to have a sprite layer of black and then have a sprite to cut out itself from the black layer, leaving a ...
3
votes
1answer
203 views

How can I exploit multithreading in collision resolution?

I'm trying to speed up my collision resolution by using multiple threads. I'v read through Box2D's source code and while it was challenging and educating, it didn't really point me to how I could use ...
1
vote
3answers
220 views

What are the basic equations in 2D physics collisions?

I'm making a 2D fighter, and I have gotten a basic engine, but right now I need to add the collisions, but I'm sure a basic AABB check will not be enough. I'm sure it needs some basic 2D physics ...
6
votes
4answers
395 views

Rotating sprite around another sprite

I am building a pool game, and I want to make the cue rotate around the white ball. Here is the live code: http://199.26.84.223/nocol.html Here is the code for the white ball: balls = ...
4
votes
1answer
650 views

Tetris: 2D Rotation Matrix?

I'm creating a Tetris clone right now. I've got the tiles of tetromino stored as an std::array<tile, 4>. Each tile holds its (x,y) coordinates relative to the piece. For example, the t-block ...
3
votes
1answer
90 views

Collision happens even though the objects are not colliding according to what we see

I'm trying to build a pool game as my first phaser project. The biggest challenge today was to make the cue rotate around the white ball. After hours of searching and not finding anything useful ...
3
votes
1answer
220 views

How to implement 'Fog of War' in SpriteKit or Cocos2D?

Take a look at the image below from the game Warcraft 2. There's a darkened area (like a fog) that represents the limits of the 'field of view' -- to the effect that you would not see any enemy ...
3
votes
1answer
510 views

Switching from Arcade to P2 physics in Phaser

so i just started using phaser for test i've followed the tutorial in the phaser website (making-your-first-phaser-game) everything is clear no problem . but since i've making a pool game i need ...
1
vote
1answer
103 views

Transform.LookAt rotates the sprite and collision not triggering

I've applied the below script to a gun object to instantiate bullets to the direction of the mouse position. The bullet collision is not getting triggered since the bullet has been rotated. How to ...
1
vote
0answers
54 views

Is this a good way to “get rid of the sprite shakes” for my sprites that “target” other sprites? (XNA)

I'm relatively new to XNA, but very proficient with C#. I want to know if this is the best way to solve the sprite shaking problem. I had a sprite class that can target a place/other sprite on the map ...
1
vote
1answer
42 views

matrix transformations 2D - place in world-space but keep size in “object/screen-space”

I have a question concerning matrix transformations. I Think I know how it could be done, but Im not sure its the best/correct way to do it. I want to apply World translations and rotation to an ...
1
vote
1answer
92 views

Python - Holding down key to move a sprite works, but only in one direction [closed]

I've been testing out movement for a fighting game that I'm creating in Python. The problem is that when I try to move the sprite, it moves correctly to the left, but only ever works in that ...
1
vote
0answers
61 views

2d stealth-type collision

I'm curious as to how stealth games work. I am working with 2d right now to get the hang of it, and so far I have come up with the following ideas. create a bounding circle around the player/enemy ...
0
votes
1answer
92 views

Certain Unicode Characters not displaying when setting text to TextButton in libgdx

Ok I am trying to do a word game much like Hangman Pro but for a different language(specifically amharic) using libgdx . And I have got a list of words saved to text file and I have taken care of BOM ...
1
vote
1answer
64 views

In Physijs, how do I detect that an object is still?

I have a cylinder that simulates a flipping coin. I am using Physijs. The coin might bounce off the surface multiple times before stopping. How can I know when the coin has completely stopped moving?
5
votes
2answers
144 views

How do I turn an image into a Box2D physics object?

I'm using Box2D for a Game Programming course, and I was wondering if it is possible to choose the best shape and size of shape for the rigidbody/fixture for a sprite based on its transparency. I've ...
1
vote
1answer
67 views

Unity LoadLevel Loads Late

We are developing a 2D game for Android on Unity. It's our first project, we don't have a lot of knowledge on Unity. We have 2 scenes, in first scene there is only a "Play" button. When that button ...
1
vote
1answer
520 views

Monogame shader not working

I'm trying to use this this tutorial in monogame, but the effect does not work, only renders a black screen. Everyhing by itself renders just fine, I looked at the render targets if they get drawn to, ...
0
votes
4answers
248 views

Is database necessary? [closed]

Hi I have studied c# for good few months and I'm at intermediate level at the moment. And few days ago I decided to make simple 2D Games like "Mr Jump" after studying Unity. So my question is as ...
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, ...
15
votes
2answers
2k views

How to avoid ghosting when pressing multiple keys?

I am working on a 2d side-scrolling pc game that uses SFML game library. The problem that I am not able to solve is that in many keyboards combination of three or more keys (like w + d + k) is not ...
1
vote
1answer
165 views

Libgdx are textures off screen rendered?

Let's say that my code looks like this: OrtographicCamera camera=new OrthographicCamera(); camera.setToOrtho(true, 100, 150); SpriteBatch spriteBatch=new SpriteBatch(); ...
2
votes
1answer
146 views

In a tile-based MMO, how do I decide which players need to receive what updates?

I am planning a tile based MMO, like Tibia or top down Minecraft. I'm using a client-server model. I've got almost everything figured out, with a notable exception of state updates. When information ...
2
votes
2answers
179 views

Pseudo 3D curve problem

I've converted CodeinComplete's Pseudo 3D road routine to use SDL2 - unfortunately for some reason the curves are incredibly jarring (both entering and leaving it). I've also converted it to ...
2
votes
1answer
205 views

Unity2D 5 - Flickering sprites on Android

So the game had been working fine for a few days on Android phone without any issues. Today, after adding some scripts and tweaking the game a little bit (tweaks which have nothing to do with the ...
4
votes
1answer
497 views

Memory-Efficient, Optimized Terraria-Like 2D Lighting

I am working on a terraria-clone and I am aiming for it to be able to be run on most Android devices. I am able to generate a world, jump around, etc but I am not looking to add in some efficient ...
1
vote
0answers
84 views

How to create 2D cameras in swing?

What is the best way to create a camera for a 2D platformer using swing, and I want to create a camera that moves instead of moving the background. This is because I'm going to have objects rotated by ...
1
vote
0answers
107 views

Bold black bar on right side of game in Unity (Android)

I am trying to create an endless runner. I have already created a system to generate infinite backgrounds from an array of some. However, on running the game, I get huge black bar on the right side of ...
2
votes
1answer
97 views

How to use Tiled Editor to recreate a 2D map?

Alright, to familiarize ourselves with the Tiled Editor, the teacher asked us to replicate a tile-based map of a 2D platformer. He gave us pretty much these two things: 1.) A selection of maps to ...
2
votes
2answers
726 views

How to achieve lighting like this in Unity for 2D games?

How could I accomplish a lighting effect something similar to this game?: I'm not talking about the shadows but about the glowing/lighting effect on the crystals and the torches. Anyone got any ...
-1
votes
1answer
44 views

precedurally generate blob-like surface? [closed]

Just looking for some direction, I'm making a 2d top-down game and need to make some random shapes for an asteroid surface. I want to have so control so I can have not too-circle-ish but not ...
-3
votes
1answer
141 views

Where can I download pixel characters for my game? [closed]

I'm a beginner in 2D game development and I wanna focus on the logic of the game. It would save a ton of my time if there is any source to download the game resource eg, characters, maps, etc.
0
votes
0answers
40 views

Is there a way to apply euphoria physics (ragdoll) to rigged Sprites in Unity2D?

With euphoria physics I mean the realistic object interaction and freefall as seen in most games like recent GTAs. But I want to do that in 2D. (I am a beginner :P).
0
votes
1answer
220 views

Generating objects randomly from prefabs in Unity2D

I am developing an infinite runner using Unity. I have already figured out how to loop a set of backgrounds randomly but I am having problems doing the same for the objects. So, I have a few objects ...
0
votes
0answers
47 views

What is pokemon-like game's view called? [duplicate]

I'm trying to make a game with a top down view, but angled, like pokemon, zenonia, zelda(I think), and most rpgs(specially the ones made with rpg maker). But I don't know what is this view called so ...
0
votes
2answers
152 views

2D TileMap smooth lighting

I want to implement (a smooth) lighting into my 2D Maps. I want to have the basic idea. What I thought of is 2 components. The Scene's Ambient light: The Tiles and Sprites are tinted into this colour ...
1
vote
0answers
142 views

How is curved 2d ground is implemented in real games?

I'm developing a 2d platformer (inspired by N game) and I already successfully implemented circle-convex, convex-convex and circle-circle collision. But now I want to be able to make platform that ...
-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 ...
0
votes
0answers
70 views

Scaling geometry in an orthographic view

I'm having trouble understanding the results I'm getting from some of my matrix transformations. I've got an orthographic projection, and am drawing 2D circles on the screen. There is a camera matrix, ...
0
votes
0answers
135 views

Snap gameObject to grid tile

I'm making a 2D TD game and currently I have made using quill18 tutorials a simple building system. However I'm trying to have it snap on my tiles as I mouse over them. This is my script applied to ...
0
votes
1answer
65 views

The import aurelienribon cannot be resolved

I've been having problems with using the Tween Engine by aurelien ribon for a Splash Screen for my 2d game. I'm using Eclipse and libgdx. I've tried rebuilding, clean...-ing, and refreshing. I've ...
2
votes
0answers
70 views

2D Skeletal animations exported to SVG

I would like to create skeletal animations, and Synfig looks quite promising. This is a video walk through of its "bones" feature, used to do skeletal animation. Ticks all the boxes thus far, ...
0
votes
0answers
43 views

How many ways are there to animate a 2D sprite in Unity3D?

I know about the following animation methods, 1/ Spreadsheet Animation.. 2/ Unity's animation (with individual parts).. Beside these two, are there any other animation system available? Is there ...