A 2D rendering of an object in space.
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
571 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
696 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
278 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
784 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
209 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
570 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
703 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
214 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
194 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
656 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
384 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
334 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
248 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
312 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
291 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
594 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
554 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
436 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
246 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
639 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
438 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
201 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
323 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
312 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
931 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
229 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 ...
4
votes
3answers
5k views
LibGDX tutorial help Scene2D
I'm having trouble understanding this tutorial. It defines the importance of classes, but it doesn't show an outline of the project file so far. From what I got from that tutorial was that there is ...
