A 2D rendering of an object in space.

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3
votes
4answers
515 views

Is character movement with an animated sprite controlled by the animation itself or moved manually?

How is a walking animation of a given character designed? I can see two possible ways: The first way is to draw each frame of the animation such that, if the frames are displayed at position (0,0), ...
3
votes
2answers
454 views

Sprites are sometimes blurry in Flash

I am playing around with drawing an SVG sprite (imported in through [Embed]). Depending on the coordinates of the image, sometimes it appears more crisp than others. The following image shows how at ...
3
votes
1answer
452 views

Collision and response between sprites?

What is an easy way to have sprites collide and react to the collision? E.g. if I'm writing a game in XNA or with Canvas 2D and need to write the code myself very simply.
3
votes
3answers
2k views

what is more expensive 2D sprites or 3D models?

Me and my friends are programmers.We decided to try ourselves in game design. As we don't want to find ourselves in debts, we decided to avoid investors. We want to develop and publish a couple of ...
3
votes
2answers
938 views

How do you set the movement speed of a sprite?

I'm using Slick 2D/Java to play around with graphics. Getting an image to move is easy: Input input = gc.getInput(); if(input.isKeyDown(sprite.up)){ sprite.y--; }else if ...
3
votes
2answers
1k views

What is causing these visual artifacts on my OpenGL sprites?

What could be the cause of the defects in my characters sprite? I am using OpenGL ES 2.0. I draw my sprites in a sprite batch that uses UV coordinates from one large texture atlas. If you look around ...
3
votes
2answers
863 views

Managing animations

I'm developing a 2d game that requires sprite based animations. I was thinking about which is the most convenient way to manage many of these sprites all together with timings. I already know how ...
3
votes
2answers
484 views

How can i create sprite sheet from 3d model (3D studio max)

I built simple 3D model of a car, with simple animation in which it's wheels are turning. Now i want to create a sprite sheet, the only way i know how to do it, is to render manually 20 frames from ...
3
votes
2answers
973 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: ...
3
votes
2answers
556 views

scaling point sprites with distance

How can you scale a point sprite by its distance from the camera? GLSL fragment shader: gl_PointSize = size / gl_Position.w; seems along the right tracks; for any given scene all sprites seem nicely ...
3
votes
1answer
253 views

Combining multiple sprites vs separate sprites

I have a character which can hold ten types of weapons. Should I: Create ten sets of animations for the character with each weapon Create animations for each weapon, and programmatically draw them ...
3
votes
2answers
2k views

Turning model from 3ds max file into sprite

I'm planning to buy animated 3D assets to render and use as 2D sprites in my game, but i don't know anything about 3ds max or own any software. How do i render the animations (i need top-down ones) to ...
3
votes
1answer
459 views

How to prepare a sprite for a game?

For example, I created my character drawing on Paint.NET using the Pencil tool and now it's a sprite like asset. If I want him to move do I need to create many different poses for him and render them ...
3
votes
1answer
77 views

Pygame collision detection less frequent when objects are increased

I currently experiencing an issue in pygame where whenever i increase the number of objects e.g. platforms, rocks for a in range(150): rock = Rock(0,0) OR incresing the range which they spawn ...
3
votes
1answer
92 views

How to make a map surface object

I'm making a 2d tile based game. In pygame I could create a map like this: screen = pygame.display(resolution) map = pygame.Surface(width, height) for tile in all_tiles: map.blit(tile) ...
3
votes
1answer
775 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 ...
3
votes
2answers
149 views

How can I draw a texture line by line

I wish to draw a texture to the screen line by line (horizontal lines). Can I do this in xna? At first I wish to just start at the top of the texture, draw one single horizontal line of pixels and x ...
3
votes
1answer
2k views

How to “swing” bounding box and update collision for sprite swinging a weapon?

I have a simple question about sprite swinging weapons. I am making an RPG and would like something other than stabby-swords, so why not swinging swords? I have a bounding rectangle for them, and the ...
3
votes
2answers
3k views

Cocos2d rotating sprite while moving with CCBezierBy

I've done my moving actions which consists of sequences of CCBezierBy. However I would like the sprite to rotate by following the direction of the movement (like an airplane). How sould I do this with ...
3
votes
2answers
630 views

XNA 4.0: Trouble Aligning an Animating Sprite (Texture Origin)

I'll try to explain this as best as I can. I'm trying to build a game where there exists a "Surfer" who is surfing down a rail. I have a sprite sheet for the surfer however I have been running into ...
3
votes
3answers
898 views

How to animate a character from a sprite sheet?

I'm making an online game, and I had been using a blank square as the character until recently. Now I want to add a real, animated character. I downloaded a free sprite sheet which has 12 (3x4) ...
3
votes
1answer
306 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 ...
3
votes
3answers
6k views

Bounding box of a rotated rectangle (2d)

I can see this has been asked before in various ways. I am struggling to work it out though hence asking again. 2d sprite that moves and rotates. I'm looking to contain it in a bounding box as it ...
3
votes
3answers
399 views

How can I get a list of sprites which are being drawn in the current viewport using XNA?

Just starting out using XNA to draw 3D scenes and have a question about determining which objects are currently visible. If I load many thousands of sprites and shapes in a scene, then render the ...
3
votes
2answers
668 views

How to store character moves (sprite animations)?

So I'm thinking about making a small rpg, mainly to test out different design patterns I've been learning about. But the one question that I'm not too sure on how to approach is how to store an array ...
3
votes
2answers
2k views

Scrolling 2D sprites on a map with a camera

I'm working on a 2D sprite-based strategy-type game (ok, full disclosure: it's a tower defense game), and I'm having a problem getting the actors to behave correctly when I move the camera. I've got ...
3
votes
1answer
218 views

Collision detection for sloping tiles

I've been looking into adding 'sloping' tiles into my platform game and my first attempt at collision detection with these tiles has produced some promising results (considering it's a first attempt), ...
3
votes
1answer
162 views

Sfml: Sprite scale transformation animation

Is there any way to animate a transformation on sf::Sprite like setScale or setPosition? ie: sprite.setScale(0.5f,0.5f);. I want the transition between normal and half scale be smooth. Thanks!
3
votes
4answers
2k 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
655 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
117 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
1answer
127 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
183 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
1k 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
331 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
174 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
150 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
1answer
205 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
0answers
171 views

Display and Hide CCSprite with Genie effect

I am new at cocos2D. I started to learn cocos2D with simple game from http://www.raywenderlich.com/tutorials#cocos2d tutorial. Now I'm crazy with animation, so now i want to display CCSprite as OSX ...
3
votes
2answers
1k 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
0answers
190 views

Letting the user draw a Polygon Body and Image

In my game, I want to provide the user with a drawing feature. By free hand drawing, the user creates a polygon shape. Then, in my game implementation, I have to create a body for the found vertices ...
3
votes
1answer
2k views

Rendering shadow sprites in cocos2d-x

I am writing a 2D game with cocos2d-x. I want to put a "shadow" sprite on a background sprite using the equation: MAX(0, Cd * 1 - Cs * S) where Cd is the destination color (that is, a background ...
2
votes
1answer
3k views

Managing sprite sheets for animation [closed]

I am trying to use a sprite sheet for animation but I'm having some trouble with my implementation. The three key things that I require my code to do are: Play through a set of images once, for ...
2
votes
2answers
12k views

How are 8/16 bit sprites created?

I already found this question, but it only talks about the kind of software used - not the actual methods. Were they drawn at a high resolution first and then shrunk down? Or did you just zoom way in? ...
2
votes
1answer
1k 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
229 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
4answers
2k views

Unity: Flip Sprite Direction

I'm toying around with the new Sprite class in Unity, and I'm trying to work out how to change the direction the sprite is facing ("flip" it). I'm sure I can most likely just scale it across the x ...
2
votes
1answer
580 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
308 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 ...