A 2D rendering of an object in space.

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1answer
1k views

libgdx: how to manage entity classes [closed]

Good day sirs, I know this is a newbie question but I really need to ask it. I've been reading a lot of sample codes on libgdx, and I have seen entities(player, enemy, boss,etc.). my question is what ...
-2
votes
1answer
105 views

2D Vector Compass Direction [duplicate]

Relating to this question; What's the best way of translating a 2D vector into the closest 8-way compass direction? My query is if this would work in the following order(below) and if so, how ...
6
votes
1answer
575 views

How to create a character animation where the parts of the sprite change?

Let's say I'm creating a game (in Java or C++). In this game I have a character that can do a sword swing animation, but the character can equip different swords. Do I have to make an animation for ...
9
votes
4answers
6k views

sprite animation in openGL

I am facing problems on implementing sprite animation in openGL ES. I've googled it and the only thing i am getting is the Tutorial implementing via Canvas. I know the way but I am having problems in ...
1
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2answers
627 views

Use FlxAnim to Animate a FlxSprite in Flixel on FlashBuilder

I am trying to animate a FlxSprite, whose image I loaded from an embedded sprite sheet. I instantiate the sprite like this: // embedding a png file given a relative path ...
2
votes
1answer
229 views

Sprite Animation Using Multiple Images (XNA / C#)

all. Right now I am currently working on a game with my Australian buddy and I just am having such a difficult time with the spriting process. As the programmer of our game, it is my responsibility ...
1
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2answers
200 views

XNA slowly stops sprite movement on key released

I'm making a game where player moves around a spaceship pressing W,S,A,D. What I would like to achieve is that I would like to make the ship stop slightly when a key is released before it went to full ...
4
votes
1answer
170 views

Is there a name for this kind of composited sprite animation technique?

Character avatars composed of different sprites for each component (arms, legs, head) connected together through a series of joints seem to be trending lately. For example, Scrolls, Candy Crush (in ...
2
votes
1answer
167 views

re-using objects

I'm working with openGL ES 2.0 on Android and I've created a custom 'Quad' class. This allows me to make a sprite object like so: Quad mySprite = new Quad(); mySprite.setSize(w,h); ...
3
votes
1answer
199 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!
6
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4answers
3k views

The right way to add images to Monogame/Windows

I'm starting out with MonoGame. For now, I'm only targeting Windows (desktop -- not Windows 8 specifically). I've used a couple of XNA products in the past (raw XNA, FlatRedBall, SilverSprite), so I ...
1
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0answers
302 views

Create a touchpad-joystick using texturepacker2

I am adding a touchpad control to my game, using TexturePacker for loading images into the image-atlas. I have followed this tutorial to add the joystick. Everything is the same apart from the loading ...
5
votes
4answers
2k views

Differently-sized sprites?

I'm still at the very early stages of my game design -- nowhere near actually needing the sprites yet -- but a thought occurred to me: What's the best way to approach sprites of different dimensions? ...
0
votes
4answers
815 views

How to combine multiple sprite sheets from multiple sources (Actionscript/Starling)

In starling, it's faster if you use BitmapText instead of traditional text. Which is well great except for one issue. Right now the sprite sheet I was making was with a single Fla. I just created the ...
1
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1answer
391 views

2D character tile based movement problem

I am making a Super Mario like 2D platformer and I've encountered a problem. I need to move this sprite : When a player presses the right key, the sprite moves by 32 px to the right. The process ...
1
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3answers
134 views

Generating spritesheet(s) on load

I would like to reduce the size of the spritesheet I am loading by only loading the specific sprites I need. Is there a way to crop and splice images at runtime using javascript? Creating separate ...
1
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1answer
190 views

Handling collision for sprites with different frame sizes

I am creating a platform game, and the main character has three images for its left and right animation. The problem is that when it is walking and the player run into a block, if at that moment it ...
0
votes
1answer
107 views

PyGame sprite assistance

I've basically just started developing with PyGame and I am having trouble with the whole Sprite concept. I have been looking every where for guides on how to use it, I just can't seem to find any. I ...
3
votes
1answer
258 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 = ...
1
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2answers
263 views

Simple Bounding Sphere Calculations for 2d game

I'm writing a 2d game and have a question regarding the use of bounding spheres. I'm kind of OK with the math, but I'm confused about one thing. To work out the distance between the 2 centre points ...
1
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1answer
90 views

Black areas on different screen sizes

I'm currently facing some problems with sprites/images on different screen sizes. For now the game stage is stretched to maximum width and height of the screen. In Samsung Galaxy S2, SGS3 and SGS4 ...
1
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0answers
143 views

Recommendations for / issues with implementation of composite sprite system for beat 'em up game [closed]

I am currently working on a 2D Double Dragon style beat 'em up game project. We are working with DirectX 9 and are looking at implementing a composite sprite system for all our characters as explained ...
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 ...
2
votes
1answer
2k 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 ...
4
votes
6answers
2k views

How to get quality sprite sheet generation with rotations

I'm working on a game that uses sprite sheets with rotation for animations. While the effect is pretty good, the quality of the rotations is somewhat lacking. I exported a flash animation to png ...
0
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4answers
1k 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 ...
5
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3answers
7k views

Changing the color of a sprite at runtime

Is there a form to change the color of a sprite in runtime?} I have a black point loaded with an image, but i dont want to load various images with different colors, is there a mode to change the ...
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votes
1answer
177 views

Bitmap vs. Vector Graphics: Building Sprites [closed]

I'm currently doing game development of my own I heard that bitmap is much cleaner than Vector graphics since it appear to show up ugly in pixel form? What's better shown in a 2D art form?
0
votes
1answer
1k views

Android cocos2d getting a sprite to continuously move to a dynamic position

I tried using the MoveTo method in cocos2d to get a sprite to continuously follow my player sprite: CCMoveTo actionMove = CCMoveTo.action(actualDuration, player.getPosition()); CCSequence actions = ...
0
votes
1answer
42 views

sprite array problem with initialization

I have a problem with my Sprites. I'm trying to create a lot of Sprites. However, I got a problem in that I have several grass tiles and I don't want to do this grass1 = new Sprite...; grass2 = new ...
0
votes
1answer
90 views

My Sprite Rectangle moves, but my sprite doesn't

Here's the issue, When I build, everything loads fine, everything works, but then, when you enter the game, the sprite is there. However, The sprite does not move, the sprite RECTANGLE does. Meaning ...
3
votes
2answers
1k 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
1answer
108 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) ...
7
votes
1answer
561 views

Spritebatch drawing sprite with jagged borders

Alright, I've been on the making of a sprite class and a sprite sheet manager, but have come across this problem. Pretty much, the project is acting like so; for example: Let's take this .png ...
-1
votes
1answer
175 views

How would you program sprite movement in a 2-D ariel view rpg game? [duplicate]

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 ...
1
vote
1answer
95 views

Create sprite and place in pre-defined places using mouse

So, I have a table. I want to be able to click on a button that allows a mode where I place a sprite on the table, on places that are predefined. How do I do that? I was thinking I could constantly ...
0
votes
1answer
1k views

Android cocos2d removing a sprite after animation

I have an object going across the screen with an animation using the following code: CCSpriteFrameCache.sharedSpriteFrameCache().addSpriteFrames("ninjastar.plist"); CCSpriteSheet projectileSheet = ...
0
votes
1answer
436 views

Drawing more that one quad with only one glDrawArray call…?

Edit After initially thinking that my sprite batch test was faster than calling each sprite individually, it appears that is not the case!! :-( With a single set of GL calls for a each sprite, I can ...
4
votes
1answer
2k 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 ...
0
votes
1answer
66 views

How to determine the best approximate direction [duplicate]

I want to determine which sprite to use when one agent is "facing" another agent. My game is 2d, and uses 8-directional movement. Deciding which sprite to use for movement is easy enough since there ...
2
votes
1answer
385 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 ...
0
votes
1answer
351 views

Displaying sprites in a 2.5D raycasting engine

I'm developing a raycasting engine like the one used in DOOM, Wolfenstein 3D, etc. My engine is capable of correctly displaying walls and textures on walls, but I'm stuck at sprites rendering. Given ...
0
votes
5answers
1k views

Collision detection logic

Edit 2 In the following picture sprite1 (the red square) is hitting the platform from the left, so: sprite1_rightEdge>platformSprite leftEdge would be true, so I can simply reposition ...
1
vote
1answer
3k views

LibGdx : Animations not working on custom actor

I have this code for rendering a sprite, retrieved from a TextureAtlas public class SpriteActor extends Actor { private Sprite sprite; public SpriteActor(TextureAtlas atlas, String spriteName) { ...
6
votes
1answer
1k views

Mip Maps on 2D Sprite causing black line above. Why is this?

I am new to Unity. I'm trying it out and using Futile for a code-first approach, but still importing textures using the Unity system. The problem I'm having is that when I use mip maps to scale large ...
1
vote
1answer
218 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.
0
votes
1answer
290 views

Canvas background from sprite (HTML5)

I am starting to develop my fist bigger game in HTML5 and struggling a bit with sprites. I can cut out single items, but I need to repeat them as well. For example, I have a battle ground that ...
0
votes
2answers
150 views

Sprites: Are there any tools to scale sprites individually without using Photoshop/GIMP? [closed]

I am using TexturePacker as tool to pack my 2D sprites, it is good but it doesn't provide the possibility to scale individual sprites to a specific scale. I am wondering whether there is any good ...
2
votes
3answers
291 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 ...
1
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1answer
332 views

Powers of 2 textures in Android 2d games?

I've read a lot about the importance of using powers of 2 png's for textures when using OpenGL ES. However, how does this relate to Google's own documentation regarding the resizing of graphics for ...