A 2D rendering of an object in space.

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1answer
1k views

Drawing Sprites in Android OpenGL efficiently?

I want to basically give myself some sprite drawing functions (making use of openGL) such as; draw(Texture,x,y) I want to do this using OpenGL-ES 2.0 on Android. Since the textures can be varying ...
0
votes
1answer
760 views

Using depth buffer on a sprite

I am following this guide: http://www.cocos2d-iphone.org/wiki/doku.php/prog_guide:tiled_maps Trying to create a tiled map that also supports multiple layers. The guide says that a way is to use ...
1
vote
2answers
219 views

Defect in polygon sorting [closed]

I have a 2D game with sprites that come from texture atlases. I'm trying to resolve the sorting of my sprites for rendering. I want two sprites to be ordered by their order of insertion, or z-order, ...
4
votes
2answers
4k 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 ...
0
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4answers
1k 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
2k views

Sprite Animations in XAML for Windows Phone 8

I'm developing a 2D game for windows phone. It will feature rather simple 2D graphics and animations. I can get most things done using XAML an storyboards for animations. The performance is fine as ...
1
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1answer
249 views

xna: Methods for having sprite characters in 3d game?

Methods for having sprite characters in 3d game? I am making a game much like Doom. The world is 3d but objects and characters are 2d sprites. I am not asking about billboarding objects. I am asking ...
0
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1answer
419 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
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1answer
1k views

Ligdx Box2d : convert box2d coordinates into screen coordinates

I'm new in libgdx and i have a little problem. I created a body in box2d and i want to assign it a sprite; for that i need to get the position of the body,then insert into the main loop the updated ...
8
votes
2answers
2k views

Following a path in a smooth fashion

I am currently making a 2d tower defense game with a static, predetermined lane that the enemies follow (i.e. towers cannot block the path and path finding is not the problem I am trying to solve). I ...
12
votes
7answers
3k 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 // ...
2
votes
2answers
6k 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 ...
1
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0answers
298 views

Detect Sprites, they are in Shape or Not which random draw in Cocos2d

I have searched a lot on web and found some of help ful links as exact my question. Link 1 Link 2 But still i am not success to achieve this, i have done some of code lines, as like draw line by ...
4
votes
3answers
6k views

Smooth Sprite Movement - Don't Add Velocity to Position?

I am trying to figure out if there is a way to move a sprite smoothly on the screen at different speeds without stuttering, but keeping the effect that it's moving smoothly; especially at faster ...
4
votes
2answers
656 views

Are 2D art assets typically created at their intended in-game display size?

I'm wondering if game makers create their sprites smaller than their intended in-game size in order to be more efficient or whether doing that produces unacceptable quality.
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1answer
1k views

How can I make sprites like diablo's for my soon-to-be isometric rpg? Like in all directions [closed]

(xna newcomer)I can use blender(3d modelling tool). I just can't make people, but if I have to, I'd learn it. How can I do that? I plan on making a lot of armor sets, equipments too. How would I go ...
12
votes
1answer
1k views

How do I create multiple 2D spotlights?

I'm looking to create a 2D "spotlight" effect that allows a spotlight on multiple entities. I.e., as if several sprites were holding torches. For a single entity (one spotlight), I use a technique ...
1
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1answer
2k views

haxe level scrolling

How would level scrolling be implemented with haxe and nme? I started plying with haxe and currently the only way to display things on screen is by using nme.display.Sprite. I don't think changing ...
3
votes
2answers
160 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 ...
4
votes
1answer
1k views

How do I support animation with frames of different sizes?

I'm trying to create a simple top-view 2D rpg, in the style of Zelda and Secret of Mana, using PyGame. I've managed to make the beginnings of a game, with an animated character walking around. However,...
1
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1answer
178 views

When to use pygame.sprite.GroupSingle?

I'm doing a game in which i have a ball which is controlled by the keyboard and the goal is to get is out of a maze without touching the walls. I've added my ball sprite to GroupSprite vehicle = ...
2
votes
1answer
547 views

High volume sprite management in entity component system

I'm working on an entity-component-system based 2.5d game. That is, entities are groups of components that are processed by systems. I am having a hard time seeing how a sprite rendering system, that ...
1
vote
1answer
211 views

How to handle sprite speed when objects move using Box2d?

I have a basic platformer using Box2d that works great. However, I now want to stop using my default square, and implement some running and jumping animations. How can I ensure that: When running, ...
1
vote
2answers
1k views

Multipule VBO in Opengl [closed]

I have currently in my application 2 VBO one which is a streamed buffer and for the moment the other is a static buffer. However even when the steam buffer is not bound and the static buffer is bound ...
3
votes
3answers
2k 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 ...
0
votes
1answer
187 views

Camera Calculation

For my game I don't able to decide what camera resolution I have to use ? Normally I use 1024x600 landscape resolution of camera for my game and create single graphics for my game. But I found that ...
1
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1answer
527 views

Is using Sprites the most recommended way for doing 2d animations with Directx?

I am working on a game engine of my own and I was using Vertex buffers to create triangles and then draw textures on them. Now I want to extend it so I can do simple 2d animations using "sprite sheets"...
1
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2answers
756 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 [Embed(source="../...
0
votes
1answer
211 views

Use an external sprite or image file in flixel game in flashbuilder

Is there any way to use an external image/sprite file for the graphic of a FlxSprite instance? Say I declare my player FlxSprite as follows: player = new FlxSprite(FlxG.width/2 - 5); player....
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2answers
430 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 ...
2
votes
2answers
263 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 ...
1
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0answers
560 views

To stop Spite animation scrolling along the background in openGL ES

After using the endless road algorithm as described here, I also implemented the scrolling of walls along with it. I have the walk animation of the person which is stationed at the center of the ...
7
votes
2answers
366 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 ...
8
votes
1answer
394 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 ...
2
votes
1answer
1k views

libGDX using Stage and Actor produces different camera angles on desktop and Android Phone

libGDX using Stage and Actor produces different camera angles on desktop and Android Phone. Here are pictures demonstrating the problem: http://brandonyuh.minus.com/mFpdTSgN17VUq On the desktop ...
2
votes
1answer
2k views

setPosition of Sprite onUpdate in AndEngine

I am trying to get a "highlighter" circle to follow around a sprite, but I am having trouble, I thought I could use the onUpdate method that's available to me in SequenceEntityModifier but it's not ...
5
votes
1answer
1k views

Improving SpriteBatch performance for tiles

I realize this is a variation on what has got to be a common question, but after reading several (good answers) I'm no closer to a solution here. So here's my situation: I'm making a 2D game which ...
2
votes
2answers
252 views

Loading Texture2D is extremly slow on XBOX360

I have ~100 sprites for each level im my XNA game. On windows it takes ~2 seconds to load them all. Unfortunately on XBOX360 it takes ~30-60 seconds. Am i doing something wrong? Essentially the ...
3
votes
1answer
991 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 ...
0
votes
1answer
622 views

Lightweight sprite animation software [closed]

Does anyone know of a good lightweight sprite animator solution? I've created a couple of spritesheets using TexturePacker, but I'd like to, for example, create an XML file that tells me frames one ...
1
vote
1answer
177 views

If statement causing xna sprites to draw frame by frame

I’m a bit new to XNA but I wanted to write a simple program that would fire a cannon ball from a cannon at a 45 degree angle. It works fine outside of my keyboard i/o if statement, but when I ...
3
votes
2answers
2k 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 ...
5
votes
1answer
1k 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 ...
7
votes
1answer
792 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,...
2
votes
3answers
766 views

Move a 2D sprite into an irregular terrain

With a tile based engine, in my knowledge, is not possible to move a sprite into an irregular terrain. So which are the techniques to use for implementing that? Maybe an hexagonal tile based engine?
7
votes
4answers
5k 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 ...
3
votes
4answers
4k 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); sprite....
4
votes
2answers
11k 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.
1
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1answer
2k views

Creating Transparent Game Menu Items using AndEngine

I'm trying to create a Game Menu which contains some Menu Items like New Game Multiplayer Options Exit I want to make this Menu Items Transparent. Only Text in White color should be visible. So i ...
1
vote
2answers
1k views

How to deal with Character body parts from Design to Cocos2d

I'm trying to figure out the pattern the game developers use together with game designers: See the picture below with the independent parts: Questions: 1) Should I create different image parts ...