A 2D rendering of an object in space.

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1answer
685 views

How do I support animation with frames of different sizes?

I'm trying to create a simple top-view 2D rpg, in the style of Zelda and Secret of Mana, using PyGame. I've managed to make the beginnings of a game, with an animated character walking around. ...
3
votes
4answers
3k views

How to move a sprite automatically using a physicsHandler in Andengine?

I use a DigitalOnScreenControl (knob with a four-directional arrow control) to move the entity and the entity which is bound to a physicsHandler. physicsHandler.setEntity(sprite); ...
3
votes
1answer
711 views

How do you get textures out of a png file

I have 1 png of many different textures. I want to use these textures in my iphone game using cocos2d. I found the program "Zwoptex" where you can combine many textures to one png and create a plist ...
3
votes
1answer
118 views

Need some advice on a java api to use for a 'presentation display board' - based on game 2d/3d tech

As part of the project i am working on I am looking to produce some software that works on a LCD display (think call center info boards) and displays various graphs (the bars grow etc in realtime, so ...
3
votes
2answers
2k views

Unity - Part of the sprite is covered in shadow

I have a sprite with Transparent/Cutout/Diffuse shader. Recieving shadows is turned on in SpriteRenderer. The light is a pointlight and I am using deffered rendering path. However when I am above or ...
3
votes
1answer
237 views

How can I render a wave effect like the one used in California Games' surfing mini-game?

Well, I'm trying to study XNA, and I'm trying to make a California Games-inspired surfing game. I got the surfer guy done, and it's working very well but I don't have any idea on how I should draw ...
3
votes
1answer
379 views

sprite animation individual framerate

When animating sprites I am taking the delta difference between frames and locking the rendering frame rate of the sprite animation to the delta time. float delay = 1000.0f / FPS; float now = ...
3
votes
2answers
2k views

Detect multitouch (two fingers touch) on a sprite to apply pinch zoom behaviour

I am using andengine, want to move, zoom and rotate multiple sprites individually on a scene. I have achieved "move" but for pinch zoom i am unable to get the event to two fingers' touch. Below is the ...
3
votes
1answer
482 views

Scaling sprite velocity / co-ordinatesin Android

I'm trying to find the answer to a question that I've had for a long time, but am having trouble finding it! I hope someone can help :-) I'm trying to find information on how to scale sprite velocity ...
3
votes
3answers
179 views

Collision and Graphics integration

I'm a little confused about the integration between collision and graphics. They both need to share the same position in the world. The most obvious choice is the center of the entity, which is good ...
3
votes
1answer
2k 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); ...
3
votes
1answer
157 views

Coordinate based travel through multi-line path over elapsed time

I have implemented A* Path finding to decide the course of a sprite through multiple waypoints. I have done this for point A to point B locations but am having trouble with multiple waypoints, because ...
3
votes
3answers
145 views

How do I get rid of this coloured border on my sprite?

I'm working on a 2D game in Unity. My triangle sprites display in-game with a line along one of the transparent sides: Larger view here. You might need to zoom somewhat. It's quite obvious on the ...
3
votes
1answer
408 views

Jittery Movement, Uncontrollably Rotating + Front of Sprite?

So I've been looking around to try and figure out how I make my sprite face my mouse. So far the sprite moves to where my mouse is by some vector math. Now I'd like it to rotate and face the mouse as ...
3
votes
2answers
2k views

Sprite Animation in XAML/C# for Windows 8 Modern UI (Metro)

I'm working on a project that requires doing sprite based animation in XAML / C# for a windows store app. I've worked out a method for displaying the animation, but it causes flickering during the ...
3
votes
1answer
301 views

How can I apply a “genie animation” to a CCSprite?

I am new to Cocos2D and following this tutorial. I want to animate a CCSprite with the genie effect that OS X uses for hiding windows to the dock and showing them again. Here's an example from an ...
2
votes
1answer
2k 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 ...
2
votes
2answers
245 views

What kind of projection is used here?

Tibia is a 2d game, but it's sprites are drawn using certain kind of orthographic projection that is not the same I'm used to: I'm trying to figure out what projection is used here. I've guessed ...
2
votes
2answers
165 views

Pathplanning A* Getting stuck in wall

I'm having a problem with my pathplanning. I can plan a path and make my character follow it, that's not a problem but then i plan a path around a wall it takes the shortest way as A* suggests, which ...
2
votes
2answers
3k views

Common practice when handling sprite animation

Let's say I'm using the following sprite as a sample to try LibGDX Animation and TextureRegion. http://www.smackjeeves.com/images/uploaded/comics/7/8/78bc6b62fEySW.gif As you can see, the provided ...
2
votes
1answer
626 views

Rotating a group of sprites - How to calculate origin

I am rotating a group of sprites in XNA, which I developed with the help of the following example: http://msdn.microsoft.com/en-us/library/bb194912%28v=xnagamestudio.10%29.aspx It all works very ...
2
votes
2answers
358 views

How do you handle animations that are for transitioning between states?

How does one usually handle animations that are for going between a game object's states? For example, imagine a very simple game in which a character can only crouch or stand normally. Currently, I ...
2
votes
2answers
528 views

Frameskipping in Android gameloop causing choppy sprites (Open GL ES 2.0)

I have written a simple 2d platform game for Android and am wondering how one deals with frame-skipping? Are there any alternatives? Let me explain further. So, my game loop allows for the ...
2
votes
1answer
487 views

Moving sprites based on Delta time - consistent movement across all devices with different resolutions

This is the formula I am currently using to move my sprites across the screen: Examples below only deal with X coordinates to keeps things as short as possible. Initial variable declarations: float ...
2
votes
3answers
324 views

Do larger sprite sheets improve performance in html 5 games?

I know when I did some game development with XNA they recommended that we try to group are sprites into fewer sheets because the graphic card could process it faster. Does this also apply to web based ...
2
votes
2answers
234 views

Loading Texture2D is extremly slow on XBOX360

I have ~100 sprites for each level im my XNA game. On windows it takes ~2 seconds to load them all. Unfortunately on XBOX360 it takes ~30-60 seconds. Am i doing something wrong? Essentially the ...
2
votes
3answers
430 views

Animation with non-uniform frame sizes

How do you know when to draw the next frame if its bounding box is larger/smaller than the current? For example, in KOF, some characters have elastic arms and things of the like..How are these handled ...
2
votes
3answers
4k views

Sprite sheet generator

I need to generate a sprite sheet with squared sprite for a 2D game. How can I generate a sprite sheet where each frame has x = y? The only think I have to do is to "insert" some blank space between ...
2
votes
1answer
346 views

Sprite vs 3d Model in Flash Facebook Game

I'm looking at creating a real time strategy/tower defense mashup game for facebook (and other platforms like google+) along the same feel, but of course different mechanics, as backyard monsters. ...
2
votes
1answer
108 views

How can I position a sprite in the same spot across different screen sizes?

Taking into account the multitude of screen sizes and resolutions, is there a way I can position a sprite so it's at roughly the same spot on every iOS device? Doesn't matter if you are using ...
2
votes
1answer
13k views

Change the sprite of a Object in Unity

Inside the script code of the the hero(object) I want add the possibility to change its sprite. So the player hits the space button and the sprite changes into the other sprite already added to the ...
2
votes
3answers
454 views

How can I create a spritesheet animation with big images?

If I have a 200x200 pixel sprite, and I want to create an animation for it with 30 different frames, how can I accomplish that? I can't put them on one texture/spritesheet.
2
votes
1answer
404 views

What exactly are sprites and entities and what are the differences between the two?

Well I was looking at a few game based tutorials, as well as articles. I found out about two terms: Entities and Sprites. Now they seem related but different, what is each and how are they the same ...
2
votes
2answers
372 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 ...
2
votes
2answers
6k 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
1answer
527 views

Is there a technique to creating a “black hole” background in XNA?

I'm creating application in XNA 4.0 and am trying to create a specialized background. I'm familiar with the creation of a parallax scrolling background but I'd like to create a background image that ...
2
votes
1answer
753 views

How to move a 2d sprite to a target location while avoiding obstacles?

How can I get a 2d sprite to move to a position clicked on the screen, without bumping into other objects? I'm programming in java using the android API library I have created a surface view and ...
2
votes
2answers
1k views

State of the art in image compression?

I'm looking for good algorithms for compressing textures offline (ie decompressing them at install or load time, I know about using DXT/3DC to save runtime video memory, but these create awful visual ...
2
votes
1answer
251 views

How do I make a sprite appear to sway with the wind?

I'm trying to find a method to simulate the effects of wind on various sprites in a side-view 2D scene. What relatively simple technique could I use for this? What I have in mind is to give these ...
2
votes
2answers
197 views

Replicating no. of sprites without letting the app to slow down and crash

Is it possible that if I'm making a a simple drag-n-drop game, does making a new sprite via constructor with texture as a parameter makes the game slower and depletes more memory until it crashes or ...
2
votes
3answers
564 views

Move a 2D sprite into an irregular terrain

With a tile based engine, in my knowledge, is not possible to move a sprite into an irregular terrain. So which are the techniques to use for implementing that? Maybe an hexagonal tile based engine?
2
votes
1answer
3k views

AndEngine sprite movement

I want to ask that I have a player in my game. I may walk. I have a image which has five different frames for walk and two frames for standing position. I want to ask that how can I change the images ...
2
votes
2answers
1k 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
437 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 ...
2
votes
2answers
1k 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 ...
2
votes
2answers
2k views

Sprite-sheets vs Sprites/MovieClips in Flash

We create 3D models in Maya2011 and create PNGs and import the bunch into Adobe Flash CS5 to create a sprite. I read somewhere that sprite-sheets can save space over making the sprite in Flash. How ...
2
votes
1answer
404 views

Rendering an explosion in 3D Studio Max to a spritesheet?

I'd like to render a 3D explosion in 3DS Max but into a sprite sheet. My main problem is that I need to use alpha values instead of the viewport background (which is usually black). Any ideas how I ...
2
votes
1answer
347 views

What is an OpenGL equivalent to ID3DXSprite?

As a Direct3D developer I can use the ID3DXSprite class (in D3DX library) for drawing 2D graphics. What's the best way to implement this functionality in OpenGL?
2
votes
3answers
1k views

Make a laser beam effect with Ogre and a BillboardChain

http://www.lpi.usra.edu/lunar/missions/apollo/apollo_15/images/laser_beam_lg.gif I want to be able to such an effect, but I don't really know how the BillboardChain class works or how I can use it, ...
2
votes
1answer
343 views

How can I correctly line up differently sized animation frames with a character?

For educational purposes, I'm developing a 2d game without APIs or libraries. Currently I'm stuck with a sprite drawing problem. To store sprites for drawing (assuming I have the sprites I need all ...