A 2D rendering of an object in space.

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2answers
1k views

Simultaneous Animation for a GameObject - Unity3D

Its my second week with Unity. I am doing a 2D game and I have a small GameObject which should change its sprite along with following a definite path defined in Animation Curves. I did both of them ...
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2answers
2k views

Libgdx detect when player is outside of screen

Im trying to learn libGDX (coming from XNA/MonoDevelop), and I'm making a super simple test game to get to know it better. I was wondering how to detect if the player sprite is outside of the screen ...
1
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1answer
576 views

How to remove the old sprites in pygame and show them at a different location

I am trying to show the motion of some basketballs towards walle using the pygae sprites. The idea is that I don't know how to remove the old ones so they won't show. Is there a move method so that it ...
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1answer
295 views

Set color by uniform per sprite using libGDX SpriteBatch

I am using a SpriteBatch to render large amounts of sprites very fast. Now I want to modify the sprites with shaders to tint them in a color. Problem 1: Altering an uniform by getting the shader and ...
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1answer
149 views

Is it Possible to create one equipment piece, and handle the manipulation programatically

I have a 2D game made in XNA-4.0. I am brainstorming on how to implement a system of equipment where I can draw one Texture, and rotate/scale it to my character's current animation without haveing to ...
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1answer
218 views

Why does my vertex shader produce no output until I add some arbitrary value to the position attribute?

I want to draw a textured quad but there is nothing drawn and the setup should be right. This is my vertex shader: #version 330 in vec2 position; in vec2 texel; out vec2 texCoord; void main() { ...
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1answer
469 views
3
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1answer
213 views

How do I edit a Texture2D at run-time to visually indicate connected tiles?

I'm making a 2D sandbox game in C# and MonoGame, and I have a couple of tile sprites. These tile are loaded in-game as Texture2Ds. I want to have blocks visually connect to adjacent blocks. An ...
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1answer
96 views

Ground in AndEngine

I'm quite a newbie to AnEngine and I have a problem. I have been searching a lot, but I couldn't find answer. I'm trying to make my first game, but I have no idea how to make ground. I'd like to make ...
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1answer
244 views

Need ideas on how to give my levels structure [closed]

I am making an iOS game for a project at school. It is going to be a tiny bit like Fruit Ninja, as in it will have different things on the screen, and when you hit them, they die, and you get points. ...
4
votes
1answer
299 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 ...
4
votes
2answers
2k views

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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0answers
308 views

Unity 2.5D Character Movement

I'm wondering if anyone can point me in the right direct as to how to take a 2D character/sprite in Unity and have said character turn corners in a 3D style. Solutions or resources welcome.
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0answers
565 views

How do I open/edit a *.xnb file in XNA Game Studio 4.0?

I've downloaded a *.xnb font sprite, but I don't know how to open/edit it. I installed XNA Frameword 4.0 in VS 2010. Thanks for your help!
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2answers
699 views

how to re-use a sprite in cocos2d-x

some times it takes time to create the sprite structures in the scene, I might need to setup structures inside this sprite to meet requirement, thus I would hope to reuse such structures with the game ...
8
votes
7answers
2k views

What's the best way of transforming a 2D vector into the closest 8-way compass direction?

If you have a 2D vector expressed as x and y, what's a good way of transforming that into the closest compass direction? e.g. x:+1, y:+1 => NE x:0, y:+3 => N x:+10, y:-2 => E // ...
0
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1answer
99 views

Simple shader for sprite interface [closed]

I have been looking for any examples for a long time, I cant get anything to work (from the examples). I have tried using vertex/pixel shaders, effects files, but they never have any effect on the ...
2
votes
1answer
2k views

Create sprite renderer using custom material

I have done following thing. Create Material Attach sprite with texture type as Texture Add sprite renderer component to game object Assign material to it that I create in last steps There is no ...
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1answer
132 views

Interpolating rotated objects

I've finally got interpolation working to 'smooth' out movement, however it doesn't seem to work for objects that are rotating (around their own center) - when I try to do this, the objects in ...
1
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1answer
111 views

Why are my sprite outlines partially rendering in the wrong place?

I've been trying to draw an outline around a sprite using the code from this answer. Details My sprite is called Ship2Sprite. This is how I create the rectangle: rectangle = New ...
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0answers
13 views

Seperate game sprite

I want to create java game Jump Rope , something like this : http://www.juicycraft.com/HTML5/JumpRope/ do I need to draw two seperately sprites (one for character and one for rope ) or only one ...
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2answers
186 views

Implications of using a single ID3DXSprite object to render multiple images

I wanted to know if using a single Sprite object to render all 2D textures on screen is better than using one sprite for each 2D texture in performance. EDIT: Using single sprite refers to using a ...
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1answer
308 views

Compute billboard rotation

I'm trying to compute a matrix to have object always facing the camera. For the moment, my result look pretty good, the problem is that my original billboard scale isn't preserved (Every billboard ...
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1answer
338 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 ...
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1answer
401 views

libgdx get rotated sprite coords points

I would like to get the position of each edge of a sprite when he has been rotated. I have no idea how to do it, I made a image to explain it. I would like to get the X and Y position of each Red ...
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1answer
583 views

set TouchEvent to every particle in SpriteParticleSystem in andEngine livewallpaper

All I have working on andEngine Live wallpaper and I have use SpriteParticleSystem. I want to add touch event to every Sprite of SpriteParticleSystem and remove that sprite from scene. I have use ...
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3answers
902 views

sprite group doesn't support indexing

I have a sprite group created with pygame.sprite.Group() (and add sprites to it with the add method) How would I retrieve the nth sprite in this group? Code like this does not work: mygroup = ...
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votes
2answers
605 views

How can I locate the frames of a spritesheet PNG based on this PLIST data?

Someone asked me to reskin a certain game. Now he only sent me the whole sprite PNG and PLIST files of the sprites. He instructed me to rename each sprite with the same name corresponding to each ...
5
votes
3answers
2k views

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 ...
0
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0answers
110 views

Is there a way to make Unity 4.3 Sprite packer keep caching even after restart unity?

It's bother me a lot. It has to pack every time I open unity. It took sometimes until it finish. If I drag new image into project and do not specify any packing tag, it still repack. I know there's a ...
4
votes
1answer
188 views

cost of texture change vs color change

How would I go about determining the difference in cost between changing the render color of an object every frame vice changing the texture (same sheet, just changing the source rectangle) every ...
2
votes
2answers
285 views

Expandable 2d environment by spawning and controlling individual tiles

what is the best way to implement an environment that is "expandable" in every direction so that when the player moves in any direction a new row or column of tiles that can be manipulated ...
0
votes
1answer
105 views

How can I compute a velocity proportional to the difference between two hand positions?

I'm working on a project with the Kinect SDK and XNA 4. I need take the position of the hands and draw a sprite over it. I'm was doing it directly and because of that I get a "trembling hands" effect. ...
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1answer
237 views

How to use sprite as font in Unity?

I've started working on my first game in Unity; It's very simple, there's a spinning block in the middle, and there are spinning blocks coming from all sides. When they hit the middle block, you lose ...
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0answers
294 views

Sprites on scrolling tmx map (LibGDX)

I have .tmx map loaded, and a camera to see it. The map is bigger than the camera viewport, so I need to move that viewport scrolling the camera. Now I want to draw a sprite on the map. To do that, at ...
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votes
2answers
545 views

Simulating 3D height in 2D scene (also shadows)

I recently stumbled across this http://vimeo.com/99118680 video and was stunned by the beautiful painted art and colors. But mostly I couldn't believe how everything appeared to have three dimensions ...
1
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1answer
558 views

Limiting the speed of a dragged sprite in Cocos2dx

I am trying to drag a row of sprites using ccTouchesMoved. By that I mean that there is a row of sprites (they are colored squares) lined up next to each other and if I grab one with a touch the rest ...
2
votes
1answer
408 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 ...
0
votes
1answer
1k views

Why is anti aliasing not being applied to my 2D objects in Unity?

I am drawing 2D objects in Unity. Some of these objects are drawn using the standard sprite method that is built into Unity. Others are computed as distance functions in a shader. In both cases I ...
2
votes
2answers
169 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 ...
1
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1answer
182 views

Libgdx - Sprites disappearing [closed]

I'm facing a little problem and I have no idea to bypass it. I've made a dungeon generator and I'm able to spawn randomly mobs, the problem is that when they are not moving the game is fine, but at ...
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0answers
73 views

Transform texture coordinates when using shader

Assuming I define four vertices of a quad with texture coordinates that cover a whole texture or region of a texture, I can animate these coordinates by setting a transform using SetTransform( ...
1
vote
1answer
631 views

Love2D : How can I keep up with lots of small sprites' collision data?

So I'm using a SpriteBatch to keep up with lots of small pieces for a falling-piece puzzle game. I have an array of Quads (for different color blocks), and they are randomly added to the ...
6
votes
1answer
979 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 ...
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votes
0answers
19 views

Where can I find free graphic 2D resources for vehicles (car, truck, bus, etc) from top view for a top down racing game? [duplicate]

Where can I find free graphic resources for vehicles (car, truck, bus, etc) from top view for a top down racing game? I mean something like:
0
votes
2answers
511 views

Make objects slide across the screen in random positions

I want to make an object appear randomly at the right hand side of the screen and then slide across the screen and disapear at the left hand side. I am working with libgdx. I have this bit of code but ...
0
votes
0answers
33 views

Turning on collision crashes game

I am getting a null pointer excecption to both my sprite and level. I am working on my mob class, and when I try to move him and the move function is called, the game crashes after checking collision ...
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1answer
351 views

Sprite/Tile Sheets Vs Single Textures

I'm making a race circuit which is constructed using various textures. To provide some background, I'm writing it in C++ and creating quads with OpenGL to which I assign a loaded .raw texture too. ...
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0answers
129 views

libgdx - Image artifacts when downscaling image

Why does this border appear around the edges when I downscale a bitmap and how do I avoid it? I tried every filter I know, the results go from bad to worse. Here's the original bitmap:
2
votes
3answers
3k views

Polygons vs sprites rendering performance in Unity for windows phone 8

I'm currently building a windows phone 8 game with unity, having 111 (no more no less) sprites being updated each frames. I have a strong overhead in the profiler (70% to 90% minimum) I tried the ...