A 2D rendering of an object in space.
0
votes
1answer
23 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
40 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 ...
1
vote
2answers
71 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: ...
0
votes
0answers
14 views
How to unbind a sprite in an updating vector? LIBGDX framework
How to unbind an updating vector to a sprite? I am using Libgdx framework. here is my code
public class VectorSample extends GDX_TEST implements InputProcessor {
Texture ball,bullet,guider;
...
0
votes
0answers
11 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 = ...
3
votes
1answer
43 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
346 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
65 views
How would you program sprite movement in a 2-D ariel view rpg game?
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
votes
0answers
31 views
How to align sprites from a non-aligned sprite sheet?
When I deal with sprite sheets, I have to cut each sprite and adjust their offsets by hard.
This is too much work, so I've made a tool that does the following:
Analyze the image, detecting bounding ...
1
vote
1answer
53 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
394 views
Android: Improving surfaceView?
I'm using Surfaceview in my Android app. I have two threads, one for UI and another for rendering and updading the UI.
I am limiting my frames per second to 30 fps and have employed frame-skipping ...
0
votes
1answer
22 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
104 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 ...
2
votes
1answer
154 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
42 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
104 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
128 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
1answer
162 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 ...
2
votes
2answers
405 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 ...
0
votes
5answers
407 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 ...
-2
votes
1answer
83 views
loop only onces than stop [closed]
i have a enemy and spriteanimation classes.
in Enemy class i have bufferedimage array with 4 different images. than i am creating a animation and storing in 'animationEnemyHit' variable. than i am ...
0
votes
1answer
334 views
Adding gesture recognizer (or dragging) to CCSprite
I'm trying to allow a CCSprite to be dragged across the screen. I've succeeded so far by doing it on a Layer level (from this tutorial). However, this only allows ONE sprite to be dragged at a time as ...
0
votes
1answer
60 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) {
...
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 ...
1
vote
0answers
155 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 ...
0
votes
1answer
75 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 ...
5
votes
1answer
94 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 ...
0
votes
1answer
68 views
Sprite not rotating around its centre after Scaling at its centre
If I scale a sprite at its centre, then try to rotate it around its centre as well, the rotation does not occur around its centre.
If you need to rotate, for example a scaled ball,the way its working ...
1
vote
1answer
53 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.
-1
votes
0answers
85 views
2D scrolling background sprite, Direct X, and C++
Here is a quick rundown of my problem. I am trying to make a 2D scrolling shooter, using a sprite to render the background. This works fine by itself, it has the scrolling effect I am looking for. The ...
3
votes
3answers
518 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);
...
0
votes
1answer
169 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 ...
-1
votes
0answers
46 views
How to move a PhysicsSprite
I'm trying to move a PhysicsSprite from left to right based on where the user clicked.
I understand that a simple Sprite can be moved by MoveTo functions but what is a way to move a PhysicsSprite? ...
0
votes
2answers
72 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
158 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
vote
1answer
107 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 ...
12
votes
5answers
2k views
Tools for generating texture atlases/sprites from source images? [closed]
Is there an industry standard file format for texture atlases?
What are the apps that take a directory of images and turns it into a texture atlas png and a text file describing what's on it?
This ...
1
vote
1answer
233 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 ...
0
votes
0answers
162 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. ...
0
votes
0answers
51 views
Flash CS6 Spritesheets and XNA
So new with Adobe Flash CS6 comes the new Feature to export Movie Clips as a Spritesheet which seems very nice!
I have a few questions to CS6:
http://imgur.com/enllkyL
Its nifty but it lost its "up ...
5
votes
2answers
541 views
Alternatives to multiple sprite batches for achieving 2D particle system depth
In my 2D XNA game, I render all my sprites with a single sprite batch using SpriteSortMode.BackToFront and BlendState.AlphaBlend.
I'm adding a particle system based on the App Hub particles sample. ...
2
votes
1answer
86 views
Get average tile color
In my 2D game I have TileSet class that loads the texture and creates Rectangle[] array which stores each tile coordinates. Pretty basic stuff. Now I'd like to also calculate and store the average ...
0
votes
2answers
122 views
How to scale a sprite with its center as origin?
I'm trying to zoom-in a sprite gradually from 0% to 100% (a sprite called SelectionBox), so it zooms from the middle of the sprite, not from the upper-left corner. I'm almost there, but I'm having ...
1
vote
2answers
694 views
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 those 2 images say every 0.5 seconds?
The character doesn't have to ...
2
votes
2answers
299 views
Point Sprites vs Textured Quads in Open GLES 2.0
I'm wondering what would perform better, point sprites (GL_POINTS) or regular sprites (GL_TRIANGLES). Here's the scenario:
I am developing a simple particle system to allow me to produce various ...
2
votes
2answers
554 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 ...
7
votes
3answers
977 views
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:
private void UpdateMatrix(ref Vector2 origin, float radians)
{
Vector3 matrixorigin = new ...
0
votes
2answers
1k views
Pixel perfect collision detection between sprite and animated sprite
I am trying to make a collision between a sprite and an animated sprite. The animated sprite is the main character of the game. The problem I am facing is that when another sprite collides with the ...
0
votes
1answer
85 views
Love2D : Problem rotating image in a SpriteBatch
I'm working on a falling blocks type of game with triangular pieces. I'm using a SpriteBatch to accumulate and remember the pieces and their locations.
The problem is that when I rotate a scaled ...
2
votes
1answer
594 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 ...
