Questions tagged [sprites]

A 2D rendering of an object in space. Sprites are two-dimensional bitmaps that represent objects or entities in a game and populate larger scenes.

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8
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3answers
7k views

Why does Unity in 2d mode employ scaling and the default othographic size the way it does?

I previously used SFML, XNA, Monogame, etc. to create 2d games, where if I display a 100px sprite on the screen, it will take up 100px. If I use 128px tiles to create a background, the first tile will ...
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3answers
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How can I generate isometric sprite sheets from 3D animations?

I want to generate sprite-sheets for an isometric projection of various 3d assets purchased from the Unity3D asset store. I'd preferably also render the normal maps. I am a programmer, but new to 3D ...
8
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1answer
535 views

Optimal sprite size for rotations

I am making a sprite based game, and I have a bunch of images that I get in a ridiculously large resolution and I scale them to the desired sprite size (for example 64x64 pixels) before converting ...
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2answers
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How do I access variables in the Game1 class from another class in XNA?

I'm trying to write a SpriteManager class in XNA, but I need access to the Game variables. For example, the ...
8
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1answer
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Unity3D - How to tessellate 2D sprites?

I use dynamic vertex lighting on 2D sprites. On larger sprites the lighting is uglier than on smaller ones. This is because every sprite is just a quad of two triangles. Not enough vertices there for ...
8
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3answers
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Unity2D tall grass

I'm using Unity to create a 2D top-down game. Everything has been great so far, but I have come into a problem that I fail to solve properly. I want to implement "tall grass areas" where part of the ...
7
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1answer
21k views

How can I draw a simple 2D line in XNA without using 3D primitives and shders

I would like to be able to draw arbitary lines in my sprite based 2D XNA game. How can I draw a simple line on screen in XNA without dealing with vertex arrays or shaders.
7
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3answers
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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 ...
7
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2answers
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Where can I find pixel-art artist? [duplicate]

Possible Duplicate: Where can I go to find a game graphic artist? I'm pretty good programmer, and I want to create new pixel-art-game. I know how to program, visualise and optimize the game. But ...
7
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3answers
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SDL2 sprite batching and texture atlases

I have been programming a 2D game in C++, using the SDL2 graphics API for rendering. My game concept currently features effects that could result in even tens of thousands of sprites being drawn ...
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2answers
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How do I change a sprite's color?

In my rhythm game, I have a note object which can be of a different color depending on the note chart. I could use a sprite sheet with all the different color variations I use, but I would prefer to ...
7
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1answer
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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 ...
7
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4answers
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Keeping sprites nice and pixelated

How do I keep the sprites in my game nicely pixelated on screens of all sizes and resolutions? I use nearest-neighbor texture filtering when resizing pixels, but this works well only at really high ...
7
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3answers
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How do I adjust the origin of rotation for a group of sprites?

I am currently grouping sprites together, then applying a rotation transformation on draw: ...
7
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2answers
5k views

Optimal OpenGL 2D Sprite Batching (Best Practice)

I am working on simple 2D engine using OpenGL (3.3+) for rendering and was wondering what the optimal method of sprite batching would be. I plan to put all sprites into one (or fewer) texture atlases. ...
7
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1answer
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2d, Top-down map with different levels

So, I'm creating a 2d, top down, sprite based (tiled) game, and right now I'm working on maps (well, a map editor at the moment, but it will be creating my maps, so basically the same thing). The ...
7
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1answer
1k 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 image, ...
7
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2answers
517 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 ...
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5answers
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(Where) Can I learn to create art for my 2D games? [closed]

I'm currently bad at drawing. If I want to create something looking acceptable, it usually takes me hours and hours to fiddle around just to get the basic looks right. I think that I'm not completely ...
6
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5answers
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Should I ask my artist to make Sprites in full resolution or can I scale them up?

I'm started with Unity development and my artist asked me what size she should make the sprites for the game. They are all pixel art and she didn't know if she should make them on Photoshop on a ...
6
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4answers
20k 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 ...
6
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2answers
3k views

Sprite batching in OpenGL

I've got a JAVA based game with an OpenGL rendering front that is drawing a large amount of sprites every frame (during testing it peaked at 700). Now this game is completely unoptimized. There is no ...
6
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2answers
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How do I turn an image into a Box2D physics object?

I'm using Box2D for a Game Programming course, and I was wondering if it is possible to choose the best shape and size of shape for the rigidbody/fixture for a sprite based on its transparency. I've ...
6
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1answer
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How to make a 2D neon-like trail effect in Unity

Recently I've been toying around with neon-ish effects for a game I'm making and wanted to share my results with you. If you guys have any other methods of achieving this result, please be sure to ...
6
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4answers
10k views

Two sided sprites

What is the most efficient way of making two sided sprites in Unity's new 2D tools? I'm looking to make playing cards with a backside and a front side.
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2answers
6k views

How to Export Flash Animation Data

I'd love for my partner, the artist, to be able to animate using flash movieclips and timelines. Then I, the programmer, would like to read the raw Flash info and re-program it into my engine of ...
6
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1answer
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How can I get multiple sprites on a Unity2D Sprite Renderer

I have a GameObject that I want to have multiple sprites. I tried adding an extra Sprite Renderer, but it tells me I can't add the same component multiple times. I'd really rather not have to have ...
6
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1answer
2k views

Batching dynamic sprites in OpenGL

I'm trying to wrap my head around how batching is done in a 2D sprite-based game. My understanding is I'd get the vertices that represent each sprite I want to draw and stuff them all into a single ...
6
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3answers
2k views

Simulate 3D with 2D sprites

I was thinking about 2D games (like Starcraft), where the sprites are in two dimensions, but the objects that are "higher" in the screen are behind the other objects (I think this is obvious when you ...
6
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1answer
6k views

How to write a transparent shader for a sprite that ignores transparent sprites behind it?

I have multiple UI Sprites that have their alpha set so you can see what's behind them. I would like to make these UI Sprites ignore other UI Sprites. So take this first picture. There are 4 UI ...
6
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4answers
8k 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 ...
6
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2answers
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How to do smooth sprite movement on WP7 XNA

What's the correct technique for getting smooth sprite translations with XNA? I've been developing the WP7 version of an app for a startup, so when we heard Angry Birds got ported today we wanted to ...
6
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2answers
4k views

snapping an angle to the closest cardinal direction

I'm developing a 2D sprite-based game, and I'm finding that I'm having trouble with making the sprites rotate correctly. In a nutshell, I've got spritesheets for each of 5 directions (the other 3 come ...
6
votes
1answer
13k views

Efficient billboarding sprites in Unity 5

What's the most efficient way to do billboarding sprites in Unity 5? I want to make a forest of sprite trees in 3d space. Those sprites need to face the camera at all times. I am working on VERY ...
6
votes
2answers
2k 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, ...
6
votes
1answer
2k views

Turning a sprite such that it rotates in the direction that's most efficient

I have a sprite that moves from waypoint to waypoint. It turns to face its velocity vector, but not instantly (there's a rotation speed). The problem I'm having is, from one direction to another, the ...
6
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1answer
2k views

2D animation: Animated 3D models or sprites with animation frames?

Starting out with new project, I am stuck choosing between: 3D textured model animated directly through the renderer 2D sprites and drawing each animation frame The game will be 2D platform, I would ...
6
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1answer
2k views

Rendering a Sprite with an Effect.... how?

gettings tuck doing some 3d Rendering and I think you guys may have a lot more knowledge in it. I am tasked with basically rendering a texture onto a screen, preparing the way to apply graphical ...
6
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1answer
2k views

How to create a 2D region where sprites are automatically wrapped?

Edit Finally managed to get this to work, after two separate questions! Here's a video demonstration: http://www.youtube.com/watch?v=nZ7e0jegvs0 Will write an article about it later when I have a ...
6
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1answer
5k views

How can I update a sprite sheet without affecting the sprites already being used?

Every time I overwrite my sprite sheet with additional or updated sprites, I have to reattach the textures to all of my Animations and Sprite Renderers. How can I update a sprite sheet without ...
6
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2answers
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Scene2D Actor walking animation?

I used to extend my Player/Entity class with Sprite, that way I could create a walking animation using SetRegion and super(stilldown.getKeyFrame(0)); I've recently started porting everything over to ...
6
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2answers
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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 ...
6
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1answer
654 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 ...
5
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1answer
1k views

How do I make a jumping dolphin rotate realistically?

I want to program a dolphin that jumps and rotates like a real dolphin. Jumping is not the problem, but I don't know how to make the rotation. At the moment, my dolphin rotates a little weird. But I ...
5
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2answers
11k views

How to create life-like sprites from photo or video capture like was done for games like Mortal Kombat 1?

I know they digitized actors but how can I get those same results? How to take a photo or video of someone and digitize it for a 2D game? Digitized sprites were used in several video games through the ...
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3answers
23k 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 ...
5
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2answers
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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 ...
5
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2answers
787 views

How can I handle a 2d game with tens of thousands of sprites rendering at the same time?

We are trying to make a small 2d game which requires an excessive amount of sprites spawning and moving around the screen at the same time. We did try doing this in python but it started choking at ...
5
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2answers
7k views

Clipping a SpriteBatch Draw() in XNA

Is there any way to enable a temporary clipping mask in XNA while using a SpriteBatch? I'm drawing a bunch of Texture2D objects and Sprites in a given rectangle, and I want to make sure that said ...
5
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2answers
6k views

Sprite draw-order in libgdx

From other frameworks I know methods for easy ordering sprites within a spritebatch (to determine if a sprite has to be drawn in front or behind another sprite). For example in MonoGame/XNA this is ...

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