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

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3
votes
1answer
178 views

How do 2D volumetric lights work?

Context So in my current project (written in Java using LWJGL / OpenGL, so GLSL for shaders) I added lighting quite a few months ago, which was already an interesting challenge, having never done ...
0
votes
1answer
264 views

How to find connected groups in a 2D grid of tiles

Firstly, my English is very bad, sorry for this. That's why I showed my problem with a picture. Block[,] sameTiles = new Block[ WorldController.Instance.World.Width, WorldController.Instance....
0
votes
0answers
114 views

Landscape mode for game?

TL;DR: I have made 8 new layouts for each activity layout, but they are not showing up. For example, I have a layout-land directory with a layout, but that layout doesn't show up when I turn my phone ...
0
votes
3answers
79 views

Math.Clamp won't limit my position until movement is ceased

The program is in a top down view, with Y going up (or forward depending upon how you see it), and X going from left to right based on the camera view. I am attempting to set the minimum and maximum ...
0
votes
1answer
41 views

How to draw a sprite at a floating point xy coordinate with interlaced drawing?

I have a 2D game made in MonoGame (XNA 4.0 framework). Here's what I want to do: draw a 2d image at a floating point xy coordinate such as 125.5, 300.12 (and do NOT round them to an int). the image ...
0
votes
1answer
93 views

Basic Moving/Anim Script [Unity CSharp]

So, I got this to do the anims for my sprite in Unity 2d... using UnityEngine; using System.Collections; public class Move : MonoBehaviour { public float Speed = 2; Animator anim; // Use this for ...
-3
votes
1answer
49 views

How/where can i learn everything unity2d [closed]

I just learnt unity basics and would like to learn everything else related to 2d development beginner to advanced in less time. Because i dont want to stick to game business/development for a long ...
9
votes
1answer
148 views

2D Physics: storing previous position vs storing velocity

I saw a number of 2d game tutorials and books where previous position of an object was stored in state instead of velocity vector. Velocity is then calculated each frame as a difference between ...
0
votes
0answers
137 views

Marching Square Generated 2d Terrain: Dealing with more than 2 tile types

I need some help with my random map generator. First, I use a noise generator (something like Perlin noise) to create my tile array. For now i'm using three tiles: water (0), beach (1), and grass (2)...
0
votes
2answers
207 views

Joystick like controls in unity for mobiles

How can i achieve joystick like controls on mobile? For example i have a 2D platform game where character should keep on moving right when swiped right and held and vice versa, just like a real ...
2
votes
2answers
211 views

How to allow multiple bullets on screen at once

Using my universities API, I'm making a basic 2D game where pacman can shoot ghosts I have a bullet class but at the moment, I only have one instance of the bullet could anyone help edit this code/...
0
votes
1answer
83 views

Cast a circle around an object and detect other objects in range (with visual)

I have my "player" object moving around an arena type area, with miscellaneous objects scattered about. What I want to do is move the player near any of these objects, and on keypress I want to ...
0
votes
2answers
387 views

Gyroscope Parallax Effect In Unity

I want to make a parallax effect in Unity 3D with gyroscope like the one on this site: http://matthew.wagerfield.com/parallax/ I found an asset, but it is too expensive. So I need a script which I ...
0
votes
2answers
319 views

Unity 3D: How to stop/reset 2D sprite animation after releasing key?

Im following a tutorial to create animations with a 2D sprite character. But i put in my own. Which has 8 animation positions. For some reason when my guy walks around,then stop, the walkings ...
-5
votes
2answers
226 views

The Power of 2D Engines vs Modern 3D Games [closed]

I'm toying around a lot with Game Maker. I really like it. GML is very simple and with its nearly object oriented design you could create anything in 2D you can think of. However there is a limit. ...
1
vote
1answer
125 views

How to remove destroyed clones out of the Hierarchy in Unity2D

I made a 2D edge collider which on contact destroys the other gameobject. When I launch the game all the other gameobjects in fact get destroyed but the clones are still listed in the Hierarchy. How ...
1
vote
0answers
43 views

The new android studio? [closed]

I got the new android studio, and I noticed one thing when creating a new activity. The layout that corresponds with the java for the activity is made twice, once as a content: This new layout ...
2
votes
1answer
120 views

Two 2D objects in Unity aren't colliding together

In Unity 5, I have a player shooting a projectile in aim to hit a boss, and inflict damage upon contact with the projectile. Though for some reason, the projectile and boss aren't colliding with each ...
1
vote
0answers
87 views

Screenshot preview freezes a game for a few seconds

I have a screenshot preview at the end of the level, but when I show it my game freezes for a bit(low fps for a few seconds). This is code I use to load screenshot and crop it(for a little preview ...
1
vote
1answer
89 views

Different screen sizes? (landscape)

I want to make a separate landscape layout for each size of my original layout I have activity_main.xml. I have adapted it to be able to fit multiple screen sizes: Now, I want to create a ...
5
votes
2answers
207 views

Drawing circles at the background of a 3D scene and updating their size

So, here is what I am trying to do in Unity 5 (using C#). I want to draw a a 2D circle at the background of a 3D scene and apply a texture/image to fill it. Just like it would be if the circle was in ...
2
votes
1answer
109 views

Implementing attack animation in four direction movement

The way the program is supposed to run is basically, a character can be running/idle and if spacebar is pressed, all movement stops and movement controls are locked through the bool "canMove". The ...
2
votes
0answers
61 views

Sprite animation in Android view

I'm looking for a way to have different sprite animations in individual Android views. I try to use LibGDX and AndEngine but most I could find was how to get an Activity with the sprite animation. ...
2
votes
1answer
147 views

How would i go about implementing portals into my game?

I don't mean to ask a broad question, so let me explain. I'm creating a 2D top-down design game and I'd like to implement "portals" to be able to switch between worlds. Each world is a level class, ...
1
vote
1answer
104 views

Confused about this Timer function C++

I am confused about the argument "m" of this function. I also need to know how to make this work. I am working on a simple 2d game and I am really new to programming. I don't know how to make things ...
2
votes
1answer
67 views

Efficient Per-Tile Lighting Technique

Quite a few of the 2D games that I have seen use per-tile lighting, where each tile has a set brightness (continuous scale of 0 to 1, for example). One way of calculating the brightness of any one ...
0
votes
0answers
25 views

Layout is different?

I know that layouts can look different on different screen sizes, but I didn't take that into account when I made this layout. So, it is designed for normal screen size, by default, and my phone ...
2
votes
1answer
91 views

Comparing the images

I have a drawable, which I want to compare to. I created a drawable object with it, and when I log it with toString, I get: android.graphics.drawable.BitmapDrawable@41f95548 I am randomly selecting ...
1
vote
2answers
230 views

Enemy moving towards Player in a 2D setting?

i want to apologize if this seems so basic, but I'm having trouble having an Enemy move in my Player's Direction in a 2D Top-Down game. I already saw a lot of other answers but they all use the ....
1
vote
0answers
58 views

Finding the components of Proportional Navigation in 2D

So, I've been scouring this, the Physics Exchange, Wikipedia, and the general web for information about Proportional Navigation, and I can't seem to wrap my head around how to find the individual ...
1
vote
0answers
59 views

Game is responding very slowly?

I have a very simple app which removes buttons and re-adds buttons to certain layouts when a button is clicked. The problem is, this process is taking a very long time. My question is: How can I make ...
1
vote
2answers
153 views

Swap buttons in layout

Say I have 4 buttons. I want to have button 2 always swap out with another button, randomly. So, when the user taps button 2, it should swap with another button (randomly). Now, button 2 is at the ...
1
vote
0answers
47 views

How can I move my button?

I am new to animations in android. I was wondering, is there a way to keep a button moving around the screen, bouncing off the walls, until it gets clicked? I was thinking to do something like this: ...
1
vote
1answer
200 views

How to combine tiles in a procedurally generated level in 2D tile based maps?

I am developing a 2D tile-based top-down game. It is currently instantiating square objects with a sprite renderer to procedurally generate the map. Each floor and wall is a 1-unit wide object. I ...
1
vote
1answer
67 views

Unity animations not transitioning properly

I am currently trying to animate transitions between four different directions. I have four total animations for walking, and another four for the idle state. I cannot seem to figure out why when I ...
3
votes
2answers
282 views

How to organize level blocks in an Infinite runner

I'm working on an Infinite Runner game. I have created many level blocks(sections) with different obstacles and pick-ups for the player. They are positioned and placed manually, in such a way, to give ...
0
votes
1answer
32 views

Activate and Deactivate Collider with Click

i'm having some troubles working with this, it's basically a Sword that points towards your mouse position, and when you Left-Click, a Trigger Collider is activated and then deactivated, but i can't ...
3
votes
1answer
108 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 ...
1
vote
1answer
276 views

How to use .fbx for 2D animation in unity 2D

I am new to unity so please bear with me. I have come to know that for animations it is better to fbx format in unity rather than sprite sheets. I am using unity 5.2 and till now i created all my ...
1
vote
1answer
103 views

Unity3D Sprite tearing on Android Smartphone

The game was running on Samsung Galaxy Trend 2. On other smaptphones and emulator it seems running properly without glitches. Sprites import settings are following: Could someone explain why ...
0
votes
2answers
238 views

How to handle multiple enemies with the same script?

i'm working on a basic Top-Down Shooter, kind of like... Nuclear Throne or The Binding of Isaac, but since i'm new to Unity, and it's something i'm required to do for school, i'm quite in a rush so i ...
7
votes
1answer
181 views

Get local coords from global coords

I need to get local coords from global coords. I did not find ready-made examples. Please help me how to do it on the example image. Thank you! UPDATED: Here's the method in the java, created ...
3
votes
0answers
163 views

Proper Line of Sight in tile based game

My rendering engine currently takes "xMin, yMin, xMax, yMax" to render a rectangular region of tiles, and will automatically scale based on the size of the panel it is rendering to. However, I am ...
0
votes
1answer
236 views

How do I organize and sync multiple animated sprites in Unity2D?

I have a human with three parts: legs, body and head, 2D, top down view (GTA 1-2 alike). Head does nothing, legs have walking animation and body has 2 animations: walking animation (moving hands which ...
2
votes
0answers
27 views

2D orbital mechanics [duplicate]

I'm working on a 2D game which involves firing projectiles around a solar system and having the path of the projectile change based on the gravitational pull of solar bodies. I've been trying to find ...
1
vote
2answers
135 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 ...
2
votes
1answer
226 views

Unity 2D Sprite Bending between Hinge Joints

I've created a tentacle that consists of multiple game objects, each attached to eachother using HingeJoint2D's. Gameplay wise this multiple segmented approach is great because I can use Unity's built-...
3
votes
1answer
342 views

Cocos2d Sprite 3D position

When I set a position3D for a Sprite in cocos2dx, it render two times the same sprite, i took a screenshot: I set the position3D because i want to use the Z position the give an effect of distance, ...
4
votes
1answer
218 views

Ledge climb animation and movement (2d platformer)

Struggling to make a decision on the implementation of a ledge climb mechanic for a physics driven 2d platformer. What is the best way to go about this without it getting overly complex? So far I ...
1
vote
2answers
90 views

Collision between complex polyominoes travelling at different velocities

My first post here if there's anything wrong please do highlight it :) First and foremost the problem I'm facing is practically identical to this earlier post here : Falling Blocks and complex shapes ...