Flat two-dimensional space. Positions represented with `x`, `y` coordinates.

learn more… | top users | synonyms

18
votes
1answer
839 views

Which features belong to the engine and which ones to a game?

Right now I find myself implementing and testing new features of my 2D game engine by directly coding them into engine. Simultaneously I have a showcase game (with scripting support) which should call ...
0
votes
1answer
567 views

What available multiplatform languages are there available for 2D games [closed]

I was wondering what multi-platform languages are available that could be used to create and deploy 2D games, please note that im not asking which is the best as I do not want to cause arguments over ...
3
votes
2answers
84 views

Sperating axis test glitch help

I'm working on a pretty basic 2d platformer and I'm wondering if I could get advice on an issue I've run into. To keep collision detection simple I'm using AABBs and separating axis tests for ...
3
votes
2answers
339 views

How Does Ultima 7 manage different floors in 2d

In U7, you can move among floors without the function "tranport" the player to another place, as for example the first ff ones. How can it tell whenever the character is moving from floor z to ...
3
votes
1answer
2k views

Proper way to maintain Vertex Buffer Objects

I've started learning WebGL, currently I'm building a 2D lighting system, but there is some confusion going on inside my head. How the lighting works is based on this tutorial ...
1
vote
1answer
66 views

changing coordinate system

I'm currently trying to transform a system by scaling it on x and y axis and have some uncertainty. I have the general concept that scaling works as such: My original box has corners at (0, 0) and ...
0
votes
1answer
156 views

Collision and gravity problems

So this is an easy question. I need to implement gravity in my game but where I'm stuck is what variables do I need in my Entity object for the calculations and a good algorithm that I can use for ...
1
vote
2answers
807 views

Efficient types of 2D animation

I currently am doing art for a game being made (by me...) and started to think of multiple different ways of animating. The two I am currently debating, with myself, is single layered animation and ...
3
votes
1answer
284 views

Making up everything from single pixels

I recently saw a game which looked a bit like minecraft, but it was a RPG. The enemies in this game consist completely of voxels and if they die, they collaps and every single voxels falls down, ...
8
votes
1answer
939 views

Implementing water effects (splashes) into XNA 4.0 game [closed]

I am creating a 2D XNA game and came across a tutorial on adding water effects (splashes) to an XNA game but after implementing it into my game I can't get it to scale down. Currently it takes up the ...
1
vote
1answer
1k views

UML Class Diagrams for 2D platformer Games? [closed]

I have to develop a small arcade game in C++ for a college assignment using a 2D Game Engine my teacher coded. What would be the best way to make a UML class diagram for it? It's very basic stuff but ...
0
votes
1answer
129 views

How do I check for non tilted 2D rectangle collision?

I'm trying to find out how to check collision with different rectangles. Now the cubes I have have a x, y, height, and width to them. So it might look like this on the screen: And not like this: ...
1
vote
1answer
433 views

Swarm/crowd movement with box2d?

Apart from using b2Body::setTransform(), are there other ways to move a body around while keeping its dynamics ? I want to move several bodies at the same time into one direction, pretty much like ...
4
votes
1answer
1k views

2D Software Lighting Issues in Java

I'm creating a 2D top-down tiled game in pure Java and by now I'm trying to implement a way to do lighting. First, some details on how I render: there is a screen class which handles all the ...
-6
votes
1answer
113 views

Android Game an [closed]

I want to develop an android game (3D/2D).. and I don't have any knowledge about android app development. So can you suggest some helpful and understandable resources like video tutorials or head ...
0
votes
3answers
337 views

Starting out - should I make complete games or just play around? [closed]

While starting out, I made clones of some arcade games (Tic tac toe, Pong, Snake, Tankwars, Breakout, Tetris, etc). Most of these games had just had the gameplay, I didn't code any of the starting ...
-2
votes
1answer
162 views

Will this Entity Code work? [closed]

How do you create 2D entities? Here is something i tried to write up as a base for entities but is this usable and is entites like this?: public abstract class Entity { int attackRange; // ...
-1
votes
1answer
154 views

XNA 2D Particle in 3D world [duplicate]

Is it possible to make 2D-sprite particles in a 3D world that always face towards the camera?
-1
votes
1answer
270 views

Drawing multiple sprites with clear screen for every frame

I googled with best of my skills, but I cannot find any relevant answer to my problem. I'm making a game with an isometric view. I need to draw multiple sprites on the screen and before switching to ...
4
votes
1answer
673 views

How do you display non-cutout transparent 2D textures with a depth buffer? (OpenGL)

I've been able to get my 2D renderer to display transparent cutout textures by testing the alpha of a fragment and discarding if it is less than 1 (or any fraction really). The problem is I want to ...
-1
votes
1answer
372 views

are most 2D games tille based? [closed]

So I'm beginning the planing phase for a 2D game that I hope to deploy for iPhone, Android, and maybe windows phone, and I am writing it in Cocos2DX and I'm looking around for map editors that I could ...
2
votes
1answer
198 views

Selecting the entities needed for rendering [duplicate]

Currently I'm sorting and looping every entity on my level but I really don't need to. Only a small subset would be on screen. If I could extract a list of entities from my main list that are on ...
5
votes
1answer
405 views

Handling Different Aspect Ratios for a Multiplayer Game

I'm currently designing a competitive 2D, side-scrolling multiplayer game and I want support full screen play at any aspect ratio (e.g., 4:3, 5:4, 16:10, 16:9). Doing that is not so much a problem, my ...
3
votes
1answer
482 views

Realistic 2D Planetary Physics Engine?

I'm doing a spaceflight simulator in C++ (using Allegro 5), and I realised that I could just use a physics engine instead of writing my own physics. So that's what I'm doing. Since this is going to ...
0
votes
3answers
552 views

How to make 2d map that isnt based on tiles

I am working on a game, and need to make a 2d map that isnt based on tiles. An example of something similar to what I want is all those racing games like "bike race" where the map is just somewhat a ...
-4
votes
1answer
157 views

My 2d Shader in XNA falls apart the second I put it into Farseer [closed]

I wrote a simple light shader that I tested in a simple 2d spaceship shooter and it worked fine. Once I imported it into my friend's farseer project with rotatable shapes, it doesn't seem to work ...
3
votes
4answers
720 views

Distance between two points with staggered isometric coordinate system

I don't think this exact question has been asked already (I've done a lot of searching but come up empty).. I am trying to work out what would be described as the 'L0 Tile' distance between two points ...
0
votes
1answer
381 views

Incorrect colour blending when using a pixel shader with XNA

I'm using XNA 4.0 to create a 2D game and while implementing a layer tinting pixel shader I noticed that when the texture's alpha value is anything between 1 or 0 the end result is different than ...
4
votes
1answer
811 views

Mario like jumping and landing in box2d, help

I've been trying to get Mario type jumping/landing in a Box2d game and it's been giving me some trouble. Results: Player loses velocity on landing Desired Results: When player lands it will continue ...
0
votes
2answers
1k views

How do I calculate the z-coordinate for a perspective-camera in 2D?

I'm new to LibGDX and trying to use DecalBatch with PerspectiveCamera, simply to have Z-coordinate for my sprites, as SpriteBatch does not offer that. However, I don't know how to calculate the ...
-1
votes
1answer
183 views

My ClanLib based Keyboard Manager not working [closed]

I created a simple Keyboard manager to detect whether buttons are currently pressed, or if where pressed in that frame. It seems like it should work, yet it seems to not read anything. Here is my ...
5
votes
1answer
1k views

2D car physics and high speed turning

I've been looking at the following page, which has been very helpful: http://www.asawicki.info/Mirror/Car%20Physics%20for%20Games/Car%20Physics%20for%20Games.html but have come into problems with the ...
2
votes
2answers
420 views

Parallax background positions when jumping

I am currently building my first Mobile game. The concept is pretty simple, it's a sideways scroller. I have implemented 5 layers to act as parallax scrolling, these are working quite well for ...
2
votes
1answer
2k views

Implementing a camera on HTML5 canvas?

I am trying to work out the best way of implementing a camera in my simple 2d game. The way it is structured at the moment is my game objects all have draw functions, which are passed a canvas ...
0
votes
1answer
222 views

Character movement relative to cursor position

I want my top-down shooter character to move towards the mouse when pressing the up arrow and strafe relative at right angles to it when pressing the left and right arrow keys. I can't figure out how ...
-1
votes
2answers
280 views

Game library for 2D animation JS browsergame [closed]

I am developing a 2D multiplayer online browsergame. On the backend I have set up a Node.js server. Everything works perfectly. On the frontend I will use jQuery and several libs for collision etc. ...
14
votes
1answer
1k views

Making Procedurally Generated Top-Down Landscapes Interesting

I'm working on a game with a procedurally generated world. Ideally, I'd like to generate landscapes as beautiful as Minecraft's worlds are. Minecraft has chasms, and waterfalls, and mountains, and ...
1
vote
1answer
172 views

Application design for specific points on image

Hi guys I am starting a simple hobby app in Unity, its a 2D app, which have some alphabets like A,B,C..Z (images) . There ll be specific paths where user touch one by one to complete drawing the ...
4
votes
2answers
124 views

Should I target a mobile phone or simulation tools are good enough?

I'm starting mobile development, and I would want to know if it's necessary to target a specific smartphone, or nowadays one can run a simulation that will provide accurate data of how the game will ...
1
vote
2answers
411 views

Mega Man screen scrolling in JavaScript [duplicate]

I'm trying to create screen transitions similar to those found in Mega Man or Legend of Zelda (i.e. the active elements of the first screen are stopped as the screen scrolls in the direction of the ...
0
votes
2answers
343 views

Making The Player Stop Bouncing And Stop Sinking In The Ground In A Platformer XNA

Heres a problem i've been having. I have a platformer, and whenever my player hits the ground he keeps bounding. Here's the falling code iceBoy.moveY++; iceBoy.position.Y += moveY; Now heres the ...
-1
votes
2answers
2k views

How to make a map [closed]

For school my group and I are going to make a 2d turn based strategy game on android. We are trying to make a simple version of Advanced Wars(screenshot1 Gameplay). But we don't really know how to ...
2
votes
2answers
854 views

Does my 2D OpenGL renderer need optimized?

I've started a game engine for learning purposes. I have successfully gotten an opengl renderer working and I can draw textures of varying sizes to the screen. The way I have done this is by creating ...
1
vote
1answer
994 views

Drawing Sprites in Android OpenGL efficiently?

I want to basically give myself some sprite drawing functions (making use of openGL) such as; draw(Texture,x,y) I want to do this using OpenGL-ES 2.0 on Android. Since the textures can be varying ...
1
vote
1answer
724 views

2D tile-based collisions: using different methods by tile?

I'm trying to write a collision handling method that handles each of the 9 potentially colliding tiles (the player's and the 8 around him) differently according to a "CollisionType" value attached to ...
1
vote
2answers
205 views

Defect in polygon sorting [closed]

I have a 2D game with sprites that come from texture atlases. I'm trying to resolve the sorting of my sprites for rendering. I want two sprites to be ordered by their order of insertion, or z-order, ...
9
votes
1answer
474 views

Getting a 2D “pixel” cloud to follow a mouse

I'm working on a 2D game trying to get a "cloud" of a few hundred tiny cubes or discs to follow my mouse cursor without overlapping each other. However, using the physics engine introduces ...
1
vote
0answers
339 views

iOS cocos2d - sprite gets stuck in collision detection

I'm developing a top down game in cocos2d and I have collision code that checks collisions between enemies and the player so that they don't go through each other. The code seems to work but the ...
-1
votes
1answer
267 views

how to make animation for a 2d game [duplicate]

I've started working on a 2d game. I wanted to know how animation usually works in 2d games - I know one way is to make a sprite sheet with frames of the animation, but you wouldn't see big sprite ...
0
votes
1answer
189 views

Is caching tiles like this a good idea?

I have a 2d int array which represents tiles on level like this: 0000000000000000000000 0000000000000000000000 0000000000000000000000 1111111111111111111111 I have a tileset vector, where each ...