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

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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); ...
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1answer
20 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 ...
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21 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 ...
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1answer
49 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. ...
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54 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 ...
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1answer
33 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 ...
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0answers
34 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 ...
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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 ...
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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 ...
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0answers
37 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 ...
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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 ...
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4answers
84 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 ...
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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 ...
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1answer
74 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 ...
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1answer
44 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 ...
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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 ...
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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 ...
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1answer
31 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 ...
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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 ...
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2answers
54 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 ...
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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 ...
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2answers
38 views

Unity 2D Following player on the x-axis only, at a constant speed

This following code does work, but I have one issue with it. Once the gameobject starts getting close to the player that it is chasing it slows down and does not continue going at a constant speed to ...
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2answers
36 views

Collider not working

I have a 2D object (without a parent) with a 2d box collider (dimensions are not small) added to it and set as trigger when I place it in the scene it works just fine however when I instantiate its ...
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2answers
29 views

Rotating a Sprite and Moving It along That Angle in Unity

first time posting here. What I want to do seems extremely simple, but I'm not familiar enough with Unity to be able to implement it. Also, I wasn't able to find an answer that exactly solved my ...
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1answer
36 views

2.5D overlapping

I started making a game, wich has a 3d engine under it, but achieves a 2d look by using ortographic camera and billbiards. Similar to how Don't starve, Realm of the mad god and (I think) the new ...
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15 views

Unity Trail for Eyes 2D

i want to make some kind of an Eye Tail effect for this charakter: I found the Unity Trail Renderer effect but the start of the Trial is perpendicular to the dragged/moved direction: Can i make ...
3
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1answer
44 views

place sprites in grid pattern within an area

I have been trying to do this for a few hours in unity now but cant get my head around it. basically i have 4 points(vector3) 1 each for the 4 corners topleft, topright, bottomleft, bottomright. now i ...
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54 views

Basic chasing AI - deciding speed

We're working on a simple game where the player is pursued upwards by a malicious entity. I'm not sure on the best way to go about doing this, taking into account the following points: This is a 2D ...
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1answer
83 views

My bullet keeps going up

So I have a bullet script that fires a bullet straight in the Y direction that gets called as the bullet is instantiated. The plan is to always shoot in the same direction, straight in the Y, but to ...
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0answers
43 views

Why does my Point light turn off if Player walks in any direction in Unity 2D?

My 2D Sprite has a material, Sprite diffuse attached to it. Now when I set up a light, it works but if I play the Game and walk, the light turns off immediately and the Player turns black. The ...
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0answers
20 views

Ads are loading, but not showing?

TL;DR: My interstitial ads in my game are successfully loading, but when I call .show() on them, they don't show up! I have followed these directions, and the ads load succesfully, but don't show ...
2
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1answer
48 views

Why is my perspective layer is painted over ortho layer?

The entire game takes place in ortho with the exception of the background layer which is drawn on a perspective camera. Everything seems to be working well except that the background is displaying ...
2
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1answer
41 views

Unity, how do I pause the Audio in the Level? [closed]

I wanna pause the Audio if I press the Pause Button also, I need help.. Pause Script: #pragma strict var pausemenu: GameObject; public function pause() { pausemenu.SetActive(true); ...
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19 views

LWJGL + Slick2D

Okay, so I know collision detection. I have made plenty of games in Java (without LWJGL or Slick2D) that use Side-Scrolling Tile Maps and collision detection, but the player seems to be glitching ...
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43 views

How to fix my issue with movement?

I am making a 2D tile game in Java, and I am having problems with movement, could someone tell me what I am doing wrong please? I am having difficulty in "calling" the function vectorFromKey in main. ...
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33 views

Where can I find isometric wall tile assets?

I've looked all over the internet, but I can't seem to find isometric wall tile art. I want thin walls - they should not have the same bulk as a normal block that takes up the whole tile. I'm guessing ...
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1answer
21 views

Unity RaycastHit2D sprites error C#. Figured out that this code only works on 3D colliders so how do I change it so that I can use it on 2D colliders?

Figured out that this code only works on 3D colliders so how do I change it so that I can use it on 2D colliders? Below is the c# code. using UnityEngine; // This script allows you to drag this ...
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35 views

LwJGL 2.9.3 2D Camera

So I've been messing around with cameras in 2d. But I came across a weird bug and I was wondering if anyone could help me figure it out? public static void createDisplay(String title, int width, int ...
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2answers
27 views

Getting input from just one Axis at a time

I'm trying to make a CharacterController2D Script for a simple 2D TopDown game, but i was wondering, what would be the best way to disable 2-axis movement? just allowing one direction at a time (Maybe ...
0
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1answer
75 views

Comparison of two 2d top down player movement scripts in Unity [closed]

I have been following along two different tutorials on making an 2d RPG and comparing the two movement scripts that seem to do the same thing but in different ways. Which is a better way when ...
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0answers
25 views

LineRenderer doesn't apply material in 2D Unity5

I'm making something that draw lines with mouse on top of everything (in 2D), but the color of the line is always purple even though I assign a material to the line renderer. I could change the color ...
3
votes
1answer
77 views

Why is quad rendered at the center (0,0) instead of top left when using orthographic projection

I have been trying to render a quad(containg a texture) using orthographic camera so that the quad can be rendered using the screen coordinates directly. I started of by rendering just a triangle ...
2
votes
1answer
146 views

How can I adapt A* pathfinding to work with platformers?

I have an A* implementation that works in "top down" situations where gravity is not taken into account for pathfinding. But, I am looking to modify to work in a 2d platformer situation. I am using ...
5
votes
1answer
104 views

On a 2D generated terrain what is the easiest way to pick tiles for the shoreline?

If I have a two-dimensional array with ones and zeros for water and land respectively how do I choose what shoreline tile to use according to the water and land tiles surrounding it? The shoreline can ...
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0answers
12 views

If I attach a RunAnimation to my Player and move it, the Camera starts to freak

If I make a RunAnimation for my Player in 2D, then there is one Spot it works and I can move perfectly but if I move my Player to a different position,my Player stucks in Midair and my Camera starts ...
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1answer
52 views

In Game Maker Studio, why does the image rotation have to be performed every step?

I'm a software developer who's trying to get into game development casually on the side. I picked up Game Maker Studio a while ago on a Steam Sale, and I'm finally getting into using it, especially ...
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2answers
55 views

How do I stop the player from rotating when they collide with a tile?

I use Touch movement and if I jump and hit a corner with the feet of my player, my player rotates but I don't want this. Can anyone help me jumping without rotating if I hit anything ? here is my ...
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35 views

How to Implement a 2d camera object for a side scroller game

Ok so Heres the problem. I'm Using c++ with sfml for graphics and box2d for physics. I've tried an ultra simple cam movement in the past where i lock the player to the center of the screen and offset ...
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2answers
41 views

Instantiate a 2D GameObject in certain direction

I'm working in a Top-Down 2D Game, and i'm trying to avoid the use of rigidbodies and rotations, i manage the direction the player is facing via input and changing the sprites, but right now, i dont ...
0
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1answer
40 views

Why do my obstacles float above the ground? Unity2D

I'm making an infinite runner game and I'm trying to spawn obstacles, but all of them float far above the ground instead of being at the ground level. This is the code on summoning the bears. ...