A 2D rendering of an object in space.
4
votes
2answers
337 views
Geometry vs sprites
I'm developing an android game, where the enemies are geometrical shapes. Performance is a main goal for me so I was wondering if defining shapes directly in OpenGL would be more efficient than using ...
2
votes
0answers
1k views
Best practice to use Sprites in a game using AndEngine GLES2
Currently I am having static reference to all my sprites and loading and initializing them in my OnCreateResource mthod of SimpleBaseGameActivity, But now I have to override onAreaTouched listener on ...
0
votes
2answers
1k views
Pixel perfect collision detection between sprite and animated sprite
I am trying to make a collision between a sprite and an animated sprite. The animated sprite is the main character of the game. The problem I am facing is that when another sprite collides with the ...
1
vote
2answers
577 views
How does sprite customization in 2D games work?
I´m working on the design of a new game concept at the moment and I would like to know how to handle a customization of sprites. (In 2D that is, hence the topic.)
This is my scenario: The player will ...
2
votes
1answer
216 views
Space Invaders-type game: Keeping the enemies aligned with each other as they turn around?
OK, so here's the lowdown of the problem I'm trying to solve.
I'm developing a game in PyGame that's a cross between Space Invaders and Columns. I'm trying to make the motion of the enemies similar ...
1
vote
1answer
1k views
XNA 2D Collision with specific tiles
I am new to game programming and to these sites for help. I am making a 2D game but I can't seem to get the collision between my character and certain tiles. I have a map filled with grass tiles and ...
1
vote
2answers
193 views
How to build Arena-ish level using grid tiles?
I had an idea of procedurally generating arena-type levels in which the player would either fight hordes of enemies, or another skilled opponent. The level would be built at the very start of the ...
0
votes
2answers
76 views
Crash when trying to detect touch [closed]
I've got a character in a 2D game using surfaceView that I want to be able to move using a button (eventually a joystick), but my game crashes as soon as I try to move my sprite.
This is my ...
1
vote
2answers
697 views
2D animation example in pyglet (python) looping through 2 images/sprites every x seconds
Suppose you have two images: step1.png and step2.png .
Can anyone show me a very simple example in pyglet how to loop through those 2 images say every 0.5 seconds?
The character doesn't have to ...
1
vote
2answers
264 views
Using Copyrighted Images
I was thinking about developing a sidescrolling platformer very similar to an old Mario and Luigi game for NES. To start out I was thinking about taking the images from a site like this:
...
6
votes
2answers
270 views
Algorithm to reduce a bitmap mask to a list of rectangles?
Before I go spend an afternoon writing this myself, I thought I'd ask if there was an implementation already available --even just as a reference. The first image is an example of a bitmap mask that I ...
-2
votes
2answers
279 views
how to double buffer in multiple classes with java
I am creating a Java 2D video game. I can load graphics just fine, but when it gets into double buffering I have issues. If i run this code, nothing is displayed except for the string("hello"); but ...
1
vote
1answer
788 views
Collision detection with non-rectangular images
I'm creating a game and I need to detect collisions between a character and some parts of the environment. Since my character's frames are taken from a sprite sheet with a transparent background, I'm ...
0
votes
1answer
210 views
Effectively implementing a game view using java
I am writing a 2d game in java. The game mechanics are similar to the Pokémon game boy advance series e.g. fire red, ruby, diamond and so on.
I need a way to draw a huge map maybe 5000 by 5000 pixels ...
1
vote
1answer
578 views
Positioning a sprite in XNA: Use ClientBounds or BackBuffer?
I'm reading a book called "Learning XNA 4.0" written by Aaron Reed. Throughout most of the chapters, whenever he calculates the position of a sprite to use in his call to SpriteBatch.Draw, he uses ...
-4
votes
1answer
706 views
2D top down game - XNA or Unity? [closed]
Hey I want to develop a top down 2D game, probably with Sprites (although 3D models with a fixed camera is an option too).
I know it's not a very specific question - but generally speaking which is ...
0
votes
3answers
422 views
Rotating Sprite around Y-Axis (2D)
I'm going to be creating a game soon, and part of it involves spinning sprites. The sprites will be spinning around the Y-Axis (imagine a spinning plate on top of a stick, where the stick stands up ...
2
votes
1answer
216 views
Customize Colors for Sprites in Web Game
So I'm working on an html5/javascript/css3-based game. Without going into too much detail, I'm thinking of having the characters be simple 8 or 16-bit style sprites, but I'd like to allow the user to ...
0
votes
2answers
255 views
Android Game Development problem with Speed = Distance / Time
I have been coding speed for an object. I have made it so the object will move from one end of the screen to another at a speed depending on the screen size, at the monemt I have made it so it will ...
0
votes
1answer
149 views
Animating isometric sprites
I'm having trouble coming up with a way to animate these 2D isometric sprites. The sprites are stored like this:
< Game Folder Root >/Assets/Sprites/< Sprite Name >/< Sprite Animation >/< ...
2
votes
2answers
195 views
Is it better to cut and store all sprites needed from a spritesheet in memory, or cut them out just-in-time?
I'm not sure what's best practice here as I have little experience with this. Essentially what I am asking is...
if it's better to get your single PNG with all your different sprites on it for use ...
3
votes
1answer
1k views
Spritesheet per pixel collision XNA
So basically i'm using this:
public bool IntersectPixels(Rectangle rectangleA, Color[] dataA,Rectangle rectangleB, Color[] dataB)
{
int top = Math.Max(rectangleA.Top, rectangleB.Top);
...
2
votes
2answers
2k views
Exporting the frames in a Flash CS5.5 animation and possibly creating the spritesheet
Some time ago, I asked a question here to know what would be the best way to create animations when making an Android game and I got great answers.
I did what people told me there by exporting each ...
2
votes
0answers
86 views
Tool for editing sprites contour pixel alpha value
I have seen that most games uses sprites that have a transparent contour, that is, the pixels that belongs to the contour of the object in the WxW sprite image is below 255. It is not perfectly ...
1
vote
0answers
659 views
Orthographic Camera Zooming
In XNA I am using a spritebatch to render a board. I have created a camera class which can provide me a view and projection matrix. Currently I am supplying the view matrix to my sprite batch when I ...
1
vote
0answers
387 views
Sprite visual effect in XNA?
Suppose I have a character sprite and I want to apply some animating effect that overlay its color, how would I do it? What I desire is something along this line:
(From final fantasy tactics)
It is ...
2
votes
2answers
558 views
How do I apply pixel shader to specific sprite in XNA 4.0 in a spritesort FrontToBack?
I have a set of sprite drawn in FrontToBack sortmode. In XNA 4.0, the effect must be as an input argument of Begin() function of SpriteBatch. However, If I reinvoke the function, then the sprite ...
0
votes
1answer
336 views
Adding gesture recognizer (or dragging) to CCSprite
I'm trying to allow a CCSprite to be dragged across the screen. I've succeeded so far by doing it on a Layer level (from this tutorial). However, this only allows ONE sprite to be dragged at a time as ...
-2
votes
1answer
250 views
Where to begin? [closed]
I'd like to start designing and creating games in either C or Java (as these are the primary languages I know). Is there a good book or online guide on where to begin development with these languages? ...
2
votes
0answers
1k views
Tools for Sprite generation? 3D Blender model for Sprites -generation?
My speculation is that sprites can be generated rather painlessly from good 3D Blender models either to 2D or 3D. I am skeptical to sprites generated other ways because I like the ability to do ...
0
votes
1answer
299 views
XNA: weird effect by matrixTransform of spriteBatch on isometric tile
I wrote a Camera class that contains Matrix (for zooming and moving around). When I zoomed it with any zoom scale other than 1, some isometric grids becomes visible on each of my isometric tile.
...
1
vote
1answer
313 views
XNA - Drawing zoomed 2D sprites
I have a tile based game. Each tile texture is loaded and then I draw each one next to the other, forming a continuous background. I actually followed this tutorial for the xml files.
...
5
votes
2answers
541 views
Alternatives to multiple sprite batches for achieving 2D particle system depth
In my 2D XNA game, I render all my sprites with a single sprite batch using SpriteSortMode.BackToFront and BlendState.AlphaBlend.
I'm adding a particle system based on the App Hub particles sample. ...
1
vote
2answers
2k views
Tutorial or Example of creating custom sprite tool/map editor for XNA?
I want to create various sprite tool and map editor using XNA. Now, the problem is I do not know how would I implement the window forms and components (such as button, check box, sprite list, etc.) ...
0
votes
0answers
292 views
Sprite Animation Effect in isometric game
I am planning to make game like Final fantasy tactics. Right now, I have been thinking about how should I make my sprite animates. From what I found out so far (reading from ffhacktics.com), it seems ...
0
votes
4answers
596 views
How powerful is modern hardware for complex, intensive 2D graphics?
I am embarking on a massive (image quality, file size, high frame count) project. I am still working on the basic engine, but have a big question that I would like answered before I begin testing. (It ...
1
vote
1answer
556 views
Are 3D textures used for ground tiles in 2.5D games?
In an isometric system, each tile can be painted with texture. Normally, (if I recalled the technical term) the fastest method to paint these ground tiles with appropiate texture is to use something ...
2
votes
1answer
437 views
2D RPG - Character sprite size bigger than tile size
Ok so I'm trying to make a nice little RPG game in Java & Slick2D engine, the tiles are 16x16, so the collision array is also 16x16, how ever my character sprite is 16x20
What would be the best ...
1
vote
1answer
247 views
What should my map creation workflow be for a turn-based tactics game?
I am planning to make a tile turn-based game like Final Fantasy Tactics. Now, I am brainstorming of how can I implements the map arena system (the battle arena where there are block by block tile so ...
2
votes
1answer
641 views
Opengl drawing a section of a texture stretched over a quad
Current Situation
I have a spritesheet loaded in for a texture when drawing the specific portions of the sheet that I'd like to have on my quads I do some simple math to get their location on the ...
1
vote
2answers
2k views
Sprite collisions in android andengine
I'm developing a simple game by andengine. I have 10 balls which are moving randomly on screen.i'm importing the balls as picture in sprites.if they move at the same coordinate , they pass though ...
1
vote
2answers
440 views
CCSpriteFrameCache: Frame '%s' not found
I have just started using the Cocos2D library for Android. I am trying to make a walking bear animation.
For that I am using a CCSpriteFrameCache, but I'm getting a "frame not found" error in the ...
0
votes
1answer
202 views
Player sprite moving slower on iPhone 4
I just finished getting movement/jump animation for a player sprite in Xcode using Cocos2D. The basic movement algorithm is a timer that updates every 0.01 sec, changing the sprite position to ...
0
votes
2answers
324 views
How do I move a sprite around using tile based movement in Java?
So, I'm new to Java and I want to get a sprite to move around the screen, like a tile-based movement. I really would like some help and some resources or tutorials could work. I've done a little C#, ...
-4
votes
1answer
313 views
Make Sprite Jump Upon a Platform
I have been struggling to make a game like Doodle Jump where the sprite jumps on a platform. So how do you make a sprite jump upon platforms in XNA? Th platforms are represented by a list of positions ...
1
vote
1answer
156 views
Duplicating Images in SFML
I was wondering how one would go about duplicating the same sprite in SFML, instead of having to create new sprites every time I would want have another sprite of the same image. Just some basic ...
2
votes
3answers
468 views
How do you maintain content size vs. content quality in a mobile application?
I am developing my first Cocos2d iPhone/iPad game that includes quite a few sprites, I would need approximately 80 different. As this is for both normal and HD displays I have 2x of each sprite. I am ...
6
votes
2answers
934 views
Simple thruster like behaviour when rotating sprite
I'm prototyping some 2D game concepts with XNA and have added some basic keyboard inputs to control a triangle sprite.
When I press key up the sprite accelerates in it's current facing direction, ...
2
votes
2answers
230 views
What is a technique for 2D ray-box intersection that is suitable for old console hardware?
I'm working on a Sega Genesis homebrew game (it has a 7mhz 68000 CPU). I'm looking for a way to find the intersection between a particle sprite and a background tile. Particles are represented as a ...
-1
votes
2answers
248 views
How to spawn a character at certain point and walk to a set point
I am making a game where I have a background image of a neighborhood. Each location has a different number of customers that are generated to walk on sidewalks. They all walk to a specific location ...
