2D games are drawn in a two-dimensional space using two-dimensional objects. To represent its position, each game object will have an `x` and a `y` coordinate.
0
votes
2answers
63 views
Converting hexagon grid coordinate system
As I have been building on a RTS game based on hexagon grid built in javascript. I stumbled across a problem regarding the coordinate system. Have been trying to implement a A-star system to find ...
-4
votes
2answers
78 views
2D Graphics in CMD in C#
So, almost every programmer used Doom as inspiration for new Projects, right? So Doom and other classic MS-DOS game were played on something like Command Prompt. How do you display images in Command ...
1
vote
2answers
76 views
OpenGL ES 2.0: 2D game rendering, no performance gain with glDraw call batching
I just did a small benchmark. To my surprise batching sprites into a single draw call doesn't give any significant performance boost. Following are my results:
Hardware: iPod touch 4
Extra info: ...
-2
votes
0answers
61 views
How to Fix Choppy Movement [closed]
I've just started game programming yesterday, reading things here and there on the internet, and I've been testing the java 2D API.
The code below does basically what I want it to (move the red ...
-1
votes
1answer
73 views
How would you program sprite movement in a 2-D ariel view rpg game?
I'm relatively new to programming and I have recently programmed an RPG game in java.
Any tips on character movement with animations? I would like it to be similar to those of other rpg games such as ...
0
votes
1answer
36 views
How can I draw a small bitmap on a larger bitmap at a particular position? (Canvas / SurfaceView)
I'm building a game that requires additive blending of colours for certain bitmaps.
Say I have 4 different types object, there are maybe ten of each type on the screen with each type having a ...
0
votes
1answer
30 views
SDL text or additional images not loading
I've got a basic side scroller that allows the user to run and jump around. I've used various tutorials to get this far, but I can't seem to get any text to render, no matter what method. I also can't ...
-2
votes
4answers
160 views
Making 2D Games [closed]
I am starting out on making my own games. I am very interested in making 2D side scrolling games, such as SNES/Mega Drive games and eventually I want to create my own Metroid/Cave Story inspired game.
...
2
votes
1answer
156 views
How should a programmer get started with creating 2D Sprites? [duplicate]
I am a programmer. Given a sprite sheet, I can code game as per the requirements. But I do not know how to create these sprites. I use Cocos2D. And I do not know where to begin. I have never done ...
5
votes
2answers
128 views
How to create a font from an image for a game?
I found a font in a free pack of sprite as an image:
I'm wondering what would be the best way to use it in a game?
Is there tools to create a font from this image? Do i have to code it myself? I ...
-1
votes
1answer
90 views
How do I animate images with OpenGL? [closed]
I've been thinking about using set of PNG images (representing frames) and continuously change between them to look like an animation.
Is there a simpler/better way? (maybe using GIF?)
1
vote
2answers
66 views
XNA spritebatch.Draw: Which part gets colored by the color parameter?
Which part gets colored and how can I control it?
I have a rounded block and my goal is to have the center filled with a certain color chosen by that parameter. Here's the picture:
...
-1
votes
0answers
105 views
About C++ Game/Engine Development books [closed]
I would like to ask a question about C++ game/engine programming books.
I have C++, Java, C# and various other languages OOP fundamentals, so programming logic is not foreign to me.
I'm planning to ...
-2
votes
1answer
74 views
Slick game adding enemies towards the player [closed]
I'm beginner in java games, and this is my first time using Slick!
I followed the thenewboston tutorials to code my game.
My game is about a princess lost in a maze, on her way she finds bugs coming ...
-2
votes
0answers
26 views
Android Divide height evenly into tiles
I am writing a simple Sudoku app. I am overwriting onDraw to create the main grid of the sudoku game. The layout basically is :
Parent/Main Activity -> Contains 2 child views
-> SudokuBoard view - ...
-1
votes
0answers
41 views
SDL: No sprite movement [closed]
I've got my sprite animation but now I'm lacking any actual movement on the screen. Sorry about pasting around 200 lines of code but it's all relevant in the case (at least I think it is!). I think ...
0
votes
1answer
76 views
My logic in collision detection in diagonal code correct? [closed]
I made this code to detect collision from the diagonal(top left). I'm trying to find the problem on what I'm doing wrong. Is it necessary to have a diagonal collision for the wall?
Player class:
...
-3
votes
2answers
195 views
2D Indie : From scratch, engine or maker? [closed]
I have been a game design/programming student for two years now, and made some little games using HTML5, most of them from scratch.
I've come to a point where I am frustrated by the coding part : ...
3
votes
0answers
79 views
OpenGL: Filtering/antialising textures in a 2D game
I'm working on a 2D game using OpenGL 1.5 that uses rather large textures. I'm seeing aliasing effects and am wondering how to tackle those.
I'm finding lots of material about antialiasing in 3D ...
-1
votes
1answer
182 views
How was traditional 2D collision detection/resolution being done? [closed]
Just out of pure curiosity, I'm wondering how classic 2D games of the 80s/90s (The Legend of Zelda, Super Mario, Warcraft, ...) approached collision detection/resolution.
For some reason I can't ...
5
votes
2answers
253 views
How do I keep my character centred on screen?
I am making a game similar to Legend of Zelda: Link to the Past (top-down 2D action-adventure). I want the character to stay centred on the screen when he moves.
Currently, whenever the player wants ...
-1
votes
0answers
50 views
XNA/HLSL cone shape 2D light
I'm new to HLSL and I'm trying to create a simple light for my 2D game. I made a point light and it looks great. However now I'm trying to create a cone shape light but I just don't know how. can ...
4
votes
5answers
184 views
Implementing vector based movement in a 2d environment
Good evening.
I apologize if the title is a bit vague, I really could not come up with anything better.
I am currently reading a book called the nature of code and as a side project, I am working on ...
0
votes
0answers
57 views
How to render alpha channeled animated 2D sprites in OpenGL ES 2.0
I searched, but I can't find specifically how to render animated 2D sprites with an alpha channel onto a 3D polygon, z=0, in OpenGL ES 2.0.
This is just a basic 2D concept, but since I'm using, ...
2
votes
2answers
62 views
What's involved in resetting the graphics device?
I'm playing with XNA 4.0, VS2010. I've created a window (not maximized) and drawn some sprites. All is good until I resize the window, after which the sprites stop displaying or only partially ...
0
votes
0answers
50 views
Collision detection issue on 2D game engine with isometric game graphics [duplicate]
Let me first show you an example of issue so you'll see the problem.
http://i.imgur.com/dTxJIN7.jpg
The player object has red colored collision borders. Since I'm using an 2D engine, his head ...
0
votes
0answers
93 views
Libgdx vs slick [closed]
I know slick2d and libgdx are built on top of lwjgl. I just want to choose what 2d game library to go. Is slick better than libgdx? or the other way around? and why?
1
vote
1answer
251 views
2D Scrolling Background on XNA
How do I create a scrolling X and scrolling Y background without weird things happening like the player disappearing or not getting the offset correct?
I have code at ...
3
votes
2answers
242 views
2D water shader similar to Limbo's effect
I'm wondering how I would go about creating a 2D water shader that is seen in this video http://www.youtube.com/watch?v=phChFfi4GOs
The water effect that limbo uses is pretty awesome. I'm not so ...
0
votes
1answer
60 views
Issues with Sine Wave Generation and Rotation
I'm working on generating objects in sine wave that lets you specify parameters that are start x, end x, start y, and end y position.
Below is the method that I used to generate the debris
void ...
-1
votes
1answer
64 views
Breakout style ball-paddle bounce, error at corner
I am trying to make a breakout game where you have a paddle and a ball bounces around breaking bricks. The problem is that if the ball touches the corner of player it goes inside of player. I change ...
-1
votes
1answer
71 views
How can one make multiple movable images in OpenGL ES 2.0? [closed]
I was wondering, I've only seen examples of OpenGL ES 2.0 where people have used one or perhaps two images. I didn't see multiple images of where they each had independent movement.
What if someone ...
2
votes
1answer
87 views
Issues upscaling pixel art with SampleState.PointClamp
I'm developing a 2D game, and I'm striving to create a nice blocky low-res appearance for the game, yet allow it to be played at variable resolutions. So, I've researched resolution independency and ...
-1
votes
0answers
56 views
2D Rigid Body isn't working properly, gravity and impulses with SAT collision detection [closed]
I'm working on a game that should in the end be running on a small device and therefore I'm tryging to make it as small as possible, will only use boxes acting under the law of physics.
I'm not ...
1
vote
2answers
67 views
Mapping of positions on images in different frames
I am looking for a possibility to map different positions on a 2D Image which has different frames.
Let's say I have an image, consisting of three frames, which shows a spaceship.
The first frame ...
2
votes
2answers
101 views
Java Tetris - Matrix Rotations
I'm building Tetris in Java and am trying to use linear algebra to rotate a piece composed of 4 tiles.
My friend was explaining the way to do it is:
He said:
"To clarify, you do need to rotate ...
1
vote
3answers
162 views
Splitting tileset into individual tiles
I'm trying to split a tileset (from here) into individual tiles.
For debugging purposes I wrote some code to split the tileset into individual tiles and display them on screen, but some aren't being ...
4
votes
3answers
157 views
How do I make an arrow line up with a bow when rotating them?
I am trying to create a bow and arrow animation in which the player can drag downwards to increase the bow strength (see the image) and release it to hit a target. I can't get the arrow to align ...
1
vote
1answer
55 views
How to attach one sprite to another in LibGDX?
I want to attach one sprite to another so that it is always located at the 'bottom' of the other sprite, regardless of how the main sprite is rotated.
-2
votes
1answer
123 views
Spawning enemies outside of view [closed]
I'm trying to create a 2d shooter for Android. How do I spawn enemies "above" the screen, so that they "enter" the game screen instead of spawning at the top of it?
I think I need to make a game ...
-2
votes
0answers
51 views
Selection of a 2d physics library [closed]
I am a decent programmer with not so great artistic skills. I am creating a game involving some basic shapes and rudimentary artwork.
I wanted to select a decent 2d physics library with easy to use ...
3
votes
3answers
255 views
Tetris - Rotations using Linear Algebra (Rotation Matrices)
I'm making Tetris in Java and am at the point of rotations... Originally I was hardcoding each rotation:
if (direction.equals("right")) {
if (shape.equals("Bar")) {
if ...
-3
votes
0answers
45 views
Suggests for a 2d networked game [duplicate]
i'm doing a bomberman game.
I have already did a peer to peer version for 2 players.
Now i want to do an up-to 2 players version using a client server architecture.
What do you suggest me to use?
TCP ...
0
votes
1answer
54 views
Are there shaders or at least shader like things in Swing?
Is there? Because I'm wondering if it supports GLSL, HLSL, or it's own shading language? I don't know much about Swing graphics. Does anyone know?
-1
votes
1answer
60 views
Refering to an object from an array in Java [closed]
In my game, the whole thing is based off of grids. So the map is a dual dimensional array of 32 (32 x 32 grid map). Now what I want to be able to do is to grab a grid and be able to access it and ...
21
votes
3answers
1k views
How does a 2D game like Zelda handle the character being behind buildings where only part of him is shown?
I'm trying to develop a simple Zelda-style game. I found this very useful topic
How was collision detection handled in The Legend of Zelda: A Link to the Past?
that I'm using as reference to develop ...
-1
votes
2answers
174 views
Developing a 2D Android game on Unity - Pros and Cons [closed]
Depending on your experiences, if you have created a 2D game on Android using Unity, was it painful? Have you ever said "I wish I have used X instead of Unity!"?
Tell me the Pros, Cons and the name ...
0
votes
1answer
119 views
Pong horizontal movement algorithm
I was just wondering about the horizontal movement of a pong ball? What is the general algorithm used with this? The ball in my pong game just move vertically and I don't know about the algorithms ...
2
votes
1answer
81 views
Should my assets match my reference resolution?
I'm confused over supporting multiple resolutions in my 2D game.
I'm currently working with a reference resolution of 1280x720. That means that all elements are positioned in a 1280x720 coordinate ...
5
votes
2answers
330 views
Java 2D game programming: Different approaches to make a game loop
I am new to Java game programming, but the more I read the more I'm confused, because I've seen several different approaches to make a game loop:
1. The standard approach, that uses the Timer class ...
