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

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-3
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2answers
59 views

Is it possible to use Java as a scripting language in unity? [duplicate]

I wonder if its possible to use Java as a scripting language in unity to create a basic 2d game?
0
votes
1answer
40 views

Top down 2d orthogonal view with 3D elements (Unity)

I've decided to give Unity a go with my project. I want to create a 2d RPG perspective world, but with elements of 3D mixed in. So for instance, I think I might make trees and grass 3D, for this to ...
-4
votes
0answers
64 views

2D library/engines that runs fast on any modern PC [on hold]

ToME, FTL and a lot of other 2D games that move just a few sprites and pixels per frame on the screen are getting 2-10 FPS on modern 3.1 GHz CPU with 8 Gb of memory. How come that the game industry ...
0
votes
0answers
17 views

intersection coordination algorithm

I'm trying to create a 2D game where i have an a traffic intersection. My game object need to pass by the intersection without colliding with each other and without stoping them My question is ...
-3
votes
1answer
49 views

Create a game from scratch [on hold]

I'm thinking in creating a simple 2D game to start learning something, but I don't know the best language to start. I know this can be a bad question, but I just know the basics of C# and a little ...
0
votes
2answers
77 views

Positioning 2D (non-UI system) game objects

As an old Flash dev I'm slightly confused about how you position game objects on the screen in Unity since game objects have no width or height (only a scale). Let's say I have a container gameobject ...
1
vote
4answers
2k views

Collision between AABB and Circle

I'm programming collision systems for a 2D game engine. The idea is that different systems can interact with each other. So one of the cases would be check collisions between axis aligned bounding box ...
3
votes
1answer
95 views

Fixing the size?

My app isn't compatible with all screen sizes. When testing on a small size, my textview overlaps with my button. So, as suggested on the Android Documentation, and many stack overflow pages, I ...
0
votes
1answer
29 views

Drawing a draggable 2d Cartesian grid in C#

I'm developing a C# WinForms application that will connect (via an API) to a 3D environment. The api provides a means of "querying" the environment and determining the x, y, z location of various 3D ...
1
vote
1answer
96 views

Positioning game object on a grid

I am learning how to code by programming easy, 2D games. Here I want to try to get only a map, like in strategy games (2D isometric) and put new objects (pictures) on it. In short: I want load a big ...
0
votes
1answer
28 views

Can't read input from keyboard

I'm new to game dev,and I just trying to create my first game,a simple pong game.But i can't handle the keyboard input. This is what i got : const Uint8 * keystates = SDL_GetKeyboardState(NULL); ...
0
votes
1answer
50 views

How to efficiently move in Unity2D? [duplicate]

If i want to use Physics in Unity2D what should be the most efficient way to move the object without interfering physics? 1. Transform.position 2. Rigidbody.Velocity 3. Rigidbody.addForce 4. ...
0
votes
1answer
65 views

How can I instantiate in the current rotation in Unity 2d?

Backstory I'm currently working on a 2D sidescroller/platform game as a hobby, and I just started recently. Followed a few tutorials and such I managed to wrote my own code for basic command like ...
0
votes
2answers
69 views

Picking a 2D Box Collider with the mouse in Unity

I have a scene with a bunch of 2D doors that have 2d Box Colliders (no trigger) on them and that live on a Canvas. I would like to be able to click on them with the mouse, but have had no luck. ...
0
votes
0answers
56 views

What is the best way to add a grid to a 2D tile city builder?

Alright guys, I'm new to Unity and Game-making, forgive me if theres a obvious answer or an existing answer. I've searched a failed. I'm trying to create a small 2d top-down game in unity. It's ...
1
vote
1answer
241 views

How to detect collision position and that position's texture color in Unity?

I have a prefab and I use Circlecollider2D for physics operations. I want to detect the color of the contact position of the collided objects ? Is is possible by using Unity's collider classes ?
1
vote
1answer
35 views

Doubts on player movement strategy

What I want to achieve is the player moving to the touched position on a 2D grid-based game, stopping at the last reachable spot if the target position is unreachable. What is the strategy usually ...
3
votes
1answer
89 views

PhysicsJS on mobile devices: how to optimize for speed

I'm (physics n00b) developing a small animation (gamification) in a mobile HTML5 app (PhysicsJS, HTML5, Cordova, Ionic, JavaScript). This animation is derived from Basket of verlet constraints. This ...
0
votes
0answers
35 views

How do I structure code that triggers story events at certain places?

I am planning to make a small game with a story that I have thought about for some time now. I am trying to decide how to handle stuff like if the character walks to this hitbox then a guy will come ...
0
votes
1answer
24 views

How to “properly” display a 2d sprites in a 3d environment?

I would like to show "the classic" missile lock viewfinder (the target symbol) of a war aircraft. So the target symbol must follow the enemy, and became red when "lock" it. So i thought simply to ...
1
vote
3answers
343 views

Orthographic Camera settings for a 2D game

I'm starting out a 2D wrestling game in Unity 5 and i need some help. The default resolution of game needs to be 320x240. The background sprite that i would be using is 640x480. The camera would move ...
0
votes
0answers
11 views

Whats a good configuration for a fighting game somersault jump animation with easing functions?

I want to create a nice SF2 style jump animation for my fighting game characters. Nothing complicated, just a typical somersault jump forward. As much as I like experimenting with different ...
1
vote
0answers
39 views

How to make expanding ring with constant thickness?

I need to generate this burst or (donut-shaped) pulse. I'm having a difficult time how to generate such shape. At first, I was thinking of scaling the image but that didnt work out because the line or ...
0
votes
4answers
92 views

How do I trigger just once and not multiple times if I the Player enters the Trigger? [duplicate]

I wanna trigger just one time and not multiple times. I have a Health System and I want that the Player takes damage from an GameObject if he enters the Trigger but it directly triggers like 65 times ...
0
votes
2answers
613 views

Basic 2d platform collision detection algorithm has a slight bug (Java)

I'm trying to implement collision detection between Player (the main character) and a Platform. They are both modelled as rectangles; when player hits the side of a platform he should bounce off it ...
0
votes
0answers
20 views

Making my game scalable? [duplicate]

I'm quite new to games development and just recently I've made my first Java platformer. I've been using Graphics2D to draw my spritesheets, but I've heard this method isn't very good in terms of ...
0
votes
1answer
38 views

Sprites blurred in Unity (filter mode set to point)

I'm new to Unity and I'm developing Android game. When I connect my phone with Unity Remote and launch game, all textured are blurred and they look awfull. Did some research and set Filter mode to ...
1
vote
1answer
8k views

Unity - Basic AI Enemy Follows Player - Prevent Flocking Of Enemies Together

I'm in the process of implementing a 2D top-down shooter game. I have a basic AI script that allows enemies to follow the player around. Currently it works fine for one enemy, but as soon as there are ...
1
vote
1answer
77 views

Tile base Farm Simulation in Unity

I am thinking of creating a sprite base 2d top down farm simulation game. The game uses tiles and I was wondering (conceptually) what is the best way to handle the farm tiles. Each tiles should have ...
1
vote
1answer
47 views

Procedural generation of evenly distributed random points (2d)

I am coming here because I've have a performance problem with my current implementation of an algorithm. I am the idea of Voronoi diagrams to distribute patches on an infinte 2d layer. For a Voronoi ...
2
votes
2answers
164 views

2D Collision at corners using C# - without xna or unity

I'm trying to make collision for a 2D game, the player (car) has to collide with the walls of the track when it hits them. I looked into pixel color detection, and X,Y -based collision (But since its ...
0
votes
1answer
32 views

In 2d, how do I discern when a character is on top of an object, from when it is on the side?

I am building an auto-run platforming game. I have code so that if the character collides with a wall, they are pushed back until they are able to get past the wall. Unfortunately, this means that ...
0
votes
3answers
3k views

What are the steps to instantiate a button in Unity?

Given a Canvas test_canvas containing a Button test_button and an empty GameObject that manages instantiation and scripts and the like called test_manager, what are the steps to instantiate this ...
0
votes
2answers
55 views

How to achieve a sheet of paper unfolding from the center in XNA 2D?

I need to create an effect like a folded sheet of paper unfolding. I was thinking about transforming an image so it "scales" from the center to the borders by cutting the image in half and scaling ...
0
votes
0answers
30 views

Using blend trees for a simple 2d character

Let me start by saying that I'm not a animator and basically have no idea what I'm talking about. The character in the game has 3 states : indle(looks at camera) walk left and walk right. I've set up ...
2
votes
3answers
326 views

Adding a small slide when player releases left/right key

The aim is for the player object to slow down and stop instead of just stopping dead. The following codes works ok when the player is not jumping, but gets stuck in an object if the player is in the ...
0
votes
1answer
32 views

Perlin noise looks uncoherent on higher z

I was experiencing with my Perlin noise function and I tried to animate a 2D noise by changing the z value of a small amount every frame. However, as z increases, the result becomes stranger and ...
0
votes
1answer
42 views

Hybrid App - Game Encyclopedia Image Asset

An in-game encyclopedia usually consists of entries and images for things related to the game. For example, pokemon's pokedex. Image of Pokemon, text description and so on. I've happen to encounter a ...
1
vote
1answer
94 views

Using .svg in unity(2D)

Creating resolution independent sprites is tough and memory consuming. How can .svg assets be used in unity for any kind of 2d game? What are alternatives to .svg that can be used in unity? Can ...
1
vote
2answers
147 views

Determine facing direction mecanim 2d movement

I'm using this script to move my character in my 2d world: public float speed; //Movementspeed public Rigidbody2D rbody; Animator anim; void Start () { rbody = ...
0
votes
3answers
55 views

How do I flip Player in 2D Touch Movement?

How do i flip my Player in 2D when i got touch movement? I got Buttons to move but how do I flip the player now if i walk to the right cause my player faces to the left..? here is my Player Script: ...
0
votes
0answers
9 views

libgdx - objects are drawn elongated when width and height are the same value

I don't use view ports but my camera is set to the screen width and height of the device. My objects are drawn longer(taller?) then they should be. I check my sprites and they are square not ...
2
votes
1answer
156 views

How should I store dynamic game entities for efficient area-based selection?

In my 2d block-based game I'm trying to implement a data structure that would store entities entities in a way that's capable of: Direct selection based on coordinate. Iteration Iteration limited ...
17
votes
3answers
10k views

What is a good book on physics for game development? [closed]

I'm looking for a good beginners' book on the subject of physics in game development. Something that focuses on 2D games would be preferable.
0
votes
0answers
8 views

Clicking an entity with transformation

I am trying to understand how best to implement a click detection function in a 2d JavaScript game. I can demonstrate using a simple example of two square 'entities' which can be selected when ...
1
vote
1answer
54 views

Unity3D (2D) - Make sure Item Dragged Is Top Item Visually

I am using Unity 5 and making a 2D game in which many sprites will be stacked on top of each other and can then be moved by dragging. Sometimes when the users goes to drag from a pile, ones that ...
0
votes
1answer
93 views

handle mousedrag() for two different game objects individually in 2D environment

I am developing a pong game for android mobiles having 2 slider and want to assign movement of individual slider corresponding to its current position I tried some code for the movement of these ...
0
votes
1answer
276 views

Player position on second player connection

I'm having some trouble trying to run my game for the multiplayer part. I'm creating a 2D game. I have followed this tutorial : ...
2
votes
2answers
582 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 ...
0
votes
3answers
388 views

How do I make sure the player model only moves 1 unit?

I am doing a school assignment based off of the Unity3D tutorial 2D RogueLike (all code available here) In my version though, the movement is not turnbased and I am having some trouble figuring it ...