A physical point in an image or the smallest addressable element in a display device.
3
votes
1answer
143 views
How to handle day and night in a 2D sprite game
Do I need to draw, for example, a tree how it looks in the day (normal colors) and how it looks at night (colors aligned according to the moonlight)? Or does Unity have a function for that?
1
vote
0answers
48 views
Pixel-perfect collision appear to have random behaviour
So I was sitting with my programming teacher with this issue for about two hours and we couldn't figure out anything specific that could possibly be the issue. Therefore I'm taking some measures and I'...
1
vote
1answer
40 views
Circular lighting mask stretches to ellipse in Monogame using Pixel Shader
I am trying to implement a very simple pixel shader for some basic lighting using this tutorial http://www.xnahub.com/simple-2d-lighting-system-in-c-and-monogame/
My problem is that when the effect ...
1
vote
1answer
102 views
SharpDX Texture to Image in C#
I currently have an image processing application that outputs processed images post pixel shaders have been applied. However, using the examples I've found on the internet, the colors are flip to BGRA ...
0
votes
1answer
39 views
Off screen image Direct3D processing with SharpDX, pixel shader and C#
I currently have a working app that can process images with a window handle. This of course makes use of the swap chain and so on... I need to process an image with pixel shader off screen without a ...
1
vote
1answer
109 views
In SDL2 what is the fastest / most efficient way to draw pixels onto the screen? Using SDL_RenderDrawPoint or SDL_RenderCopy with a Texture?
I want to add pixel splatters and particle effects to a game. For this my options were to have a bunch of pre-made animations in the form of textures, OR create a particle engine.
For the particle ...
0
votes
3answers
105 views
How to use traditional pixel coordinates system in modern OpenGL? (3.1) (with C++/GLFW)
This question is very similar to my other question, however the solution provided there does not work when using OpenGL 3.1. glOrtho seems to do absolutely nothing no matter where I call it in OpenGL ...
0
votes
0answers
90 views
Pixel-correct collision affected by scaling?
So I've come to the point where I need to implement a proper and accurate pixel-correct collision, as using any other form of collision methods such as rectangles, circles and etc, are very unreliable ...
1
vote
1answer
112 views
Java/Libgdx Pixel game with individual pixel changing
I am currently trying to make a game with pixelated graphics. The game is supposed to run with as few textures as possible. Instead of this it is supposed to generate the levels randomly, and fill in ...
1
vote
0answers
20 views
Can we access the internal array of a Android Bitmap?
Does an Android Bitmap function similar to a BufferedImage? When you get the internal pixel buffer as an int[] or as a byte[] and update the values inside them, the image changes. Is that the same ...
0
votes
0answers
40 views
OpenGL Make texture from Color Array
I'm using LWJGL 3, and I want to make a method that can convert a color array (the Color class contains variables for R G B and A) into a texture. Any help will do, thanks in advance.
0
votes
0answers
28 views
On fragment shader how to access right or left like pixels?
How can i change or get data from right or left kind pixel with using fragment shaders in opengl ? And say opengl to dont process it again ?
10
votes
3answers
525 views
How do I move the camera in full pixel intervals?
Basically I want to stop the camera from moving in subpixels, as I think this leads to sprites visibly changing their dimensions if just ever so slightly. (Is there a better term for that?) Note that ...
3
votes
2answers
120 views
How to calculate area to fill in this Snake/Qix game variant?
I have a game which is a Snake/Qix variant.
The player controls a line which is moving on an island. Player has possibility to leave the island in order to connect that island to itself. Once the ...
0
votes
1answer
25 views
Using Gimp and clone tool. Source selection selects center of four pixels
I am using gimp to make tilesets. When I use the clone tool and hold ctrl to select the source, the selection is in the center of four pixels instead of just one pixel. I don't know if I am doing ...
0
votes
1answer
84 views
Is drawing an entire game to a render target and then scaling it up a viable solution to a pixel-mismatching problem?
To clear up some possible confusion caused by my title, my game is meant to be pixelly. I currently achieve this by multiplying sprite sizes and locations by a constant called World.Scale (currently 8)...
1
vote
1answer
985 views
How to get a pixel color from a specific sprite on touch (unity)?
I have a 2 layers of a different sprites. How can i get a pixel color from lower sprite?
I know how to get touch and world coordinates, but i have no idea what to do next.
Touch touch0 = Input....
1
vote
0answers
53 views
Awesomium custom surface scroll
I have a custom Awesomium::Surface implementation, and I need to create a Scroll function for it. The function asks me to manually move some pixels of my texture by the indicated X and Y offset.
How ...
1
vote
2answers
299 views
SDL Convert pixel format
I have two pixes stored in a 32 bit unsigned integer (4 bytes per pixel, using SDL's types for convenience):
Uint32 pixel1; // Source pixel, format: SDL_PIXELFORMAT_BGRA8888
Uint32 ...
1
vote
1answer
179 views
MonoGame, sprite to rectangle
I'm bucking the trend and working with MonoGame in VB2015, please don't tell me how brilliant C# is and how I ought to learn that, I really can't be bothered, and all the }}{}{{{}{ drives me insane!!
...
2
votes
2answers
376 views
Create a new Surface type with SDL_Texture
So I started using Awesomium, and I'm experiencing some difficulties.
I want to create a new type of Awesomium::Surface and implement it in my custom Awesomium::SurfaceFactory to render Awesomium::...
1
vote
1answer
194 views
Apply Pixel Perfect by script in Unity?
How can I apply Pixel Perfect by script in Unity? All I could find on the web is this which does help at all..
-6
votes
1answer
90 views
Where can I make pixel art [closed]
I'd like to know where I can make decent pixel art for as close to free as possible. If it helps, the art is gameboy quality. My question is different from where to find free pixel art because I want ...
0
votes
2answers
41 views
Finding the scale of pixels in map with given dimensions
For the game I am making, I have textures for planets. Each texture has a size of 2048 x 1024 pixels. I also know the size, thus the diameter, of each planet. Not every planet is the same size, you ...
-2
votes
2answers
215 views
Is a bitmap fast enough for a 3d game?
I would like to learn how to create some 3d games from scratch, but i need to know what the fastest way to create a frame would be. Would it be converting an array of pixels into a bitmap, or is there ...
-3
votes
1answer
169 views
Where can I download pixel characters for my game? [closed]
I'm a beginner in 2D game development and I wanna focus on the logic of the game.
It would save a ton of my time if there is any source to download the game resource eg, characters, maps, etc.
0
votes
1answer
1k views
How to use traditional pixel coordinates system in OpenGL? (with C++/SDL2)
I find the normalized, centralized coordinate system used in OpenGL weird and annoying, is there anything I can do at all to make it work like normal pixel coordinates on everything ever except OpenGL?...
0
votes
1answer
183 views
Algorithm to fill a shape defined by 4 pixel points?
I'm developing an application in Unity3D where a user can define 4 pixel points on screen, and what I would like to do is fill this shape with pixels using Unity's SetPixel.
While I can do this ...
0
votes
0answers
172 views
How to improve textmesh quality?
In my game I using textmesh, but textmesh has a pixel problem even adjusting scale, character size and font size. How to solve it?
0
votes
1answer
372 views
SDL pixel access very slow
I'm using SDL and need to plot pixels one by one on the screen. When I do this, it's extremely slow. I followed the tutorial here:
http://www.programmersranch.com/2014/02/sdl2-pixel-drawing.html
...
2
votes
1answer
624 views
Is there a way to manipulate a pixel Array on the GPU?
I'm currently working on a 2D-Game and i want to draw and calculate the whole screen myself through a pixel array. I'm programming in C++, using SDL 2 and OpenGL specifically a OpenGL Texture which is ...
0
votes
2answers
234 views
Colour values of a pixel array from a spritesheet image wrong (C++, SDL2)
So basically what i want to do is create a 2D tile based rendering system in C++ that renders each pixel on the screen manually.
Rendering an individual pixel on the screen works just fine (or render ...
0
votes
2answers
74 views
How to determine areas of pixels of different colors or luminosities?
I want to create a program that determines all the areas of a given picture that have a different color, or the same color with different luminosities.
Are there known algorithms that do this job ? I ...
0
votes
1answer
636 views
Rotating and scaling textures built up of pixel arrays in java?
I'm making my first real game, in Java, and I'm currently working on the base system, for rendering images (sprites) and I wonder how I can rotate sprites.
My sprite class looks like this:
package ...
8
votes
6answers
6k views
How do you move a sprite in sub-pixel increments?
Pixels are either on or off. The minimum amount you can move a sprite is a single pixel. So how you make the sprite move slower than 1 pixel per frame?
The way I did it was to add the speed to a ...
11
votes
2answers
982 views
How do I perform an xBR or hqx filter in XNA?
I'd like to render my game scaled up with one of the hqx filters (hq2x, hq3x or hq4x) or an xBR filter in a shader.
How can I do this in XNA 4.0 and SM3?
Side note: this question has been heavily ...
0
votes
2answers
80 views
Getting a color value from a coord
My goal is to get a RGB value of a pixel based of off a X,Y coordinate.
I have been working on AIs for a small project attempting to make a bot that can pass through a maze. I want to get the pixel ...
1
vote
2answers
468 views
How big should my tiles be for tilemaps?
I'm creating my first tilemaps.
Tutorials usually do 32x32px (example), but this tutorial did 128x128px, which made it easier for me to see without zooming in so much.
In tiled, I did a 40 x 40 tile ...
0
votes
1answer
98 views
Which gaming engine can be used for pixel manipulation? [closed]
Here is the gist of where I am going with this. I work for a printer company and basically all of our input files(or output files for virtual printers) are bitmap files. We currently have a tool built ...
7
votes
2answers
4k views
Java single Array best choice for accessing pixels for manipulation?
I am just watching this tutorial https://www.youtube.com/watch?v=HwUnMy_pR6A and the guy (who seems to be pretty competent) is using a single array to store and access the pixels of his to-be-rendered ...
2
votes
1answer
533 views
How to smooth the model/texture look from a distance?
(First of all, I really didn't know how to title my question so it tells exactly what I mean so if anyone has a better title feel free to edit my question or leave a comment.)
Look at the water in ...
0
votes
1answer
440 views
How do I implement pixel-exact collision server-side?
Recently I made a 2D offline game with HTML5 Canvas and JavaScript. I'm detecting collisions by first checking whether image bounding boxes overlap. If they do, I check against the bounding boxes, ...
0
votes
1answer
1k views
Adding Screenshots Specifically For 4-inch, 7-inch, and 10-inch Screen
My boss invited me and assigned me now as publisher for the app in Google Play. I have a 7-inch Google Nexus 7 tablet to take screenshot of any one of my sample projects I've made and post and upload ...
0
votes
1answer
381 views
Drawing UI using density pixels
I have a question about proper ways to draw UI, since I've learned what I know from the internet and by experimenting I often dont code the "proper" way, instead I do it my own way, not knowing if it ...
3
votes
1answer
631 views
Getting the rightmost point of gameobject
How do i determin the point on a gameobject that is most to the right (highest x value).
1
vote
2answers
3k views
How can I rotate a bitmap without D3D or OpenGL?
I've just figured out on my own how to scale a portion of a bitmap using PutPixel. I would like to know the mathematical theory behind rotating a bitmap on my own, using per-pixel operations like ...
2
votes
1answer
642 views
How does the Direct3D 9 rasterizer determine triangle coverage?
I'm working on a software rasterizer to use in my project. I have implemented one that works well, however, often my rasterizer under or over estimates triangle coverage. I need perfect emulation of ...
1
vote
2answers
519 views
How to draw a rotated pixel perfect line by hand?
If you have a pixel perfect line like 1:16 pixels, and you want to draw that same line rotated by a degree, for example 45°, what would be the correct way to do that by hand?
I know it should have ...
14
votes
1answer
16k views
Can Unity 2D be used to make pixel-art games?
I'm looking at the new 2D features introduced in Unity 4.3, and I think I might be missing something.
To me it looks like they are designed for high-res 2D games, where scaling the sprites is ok, but ...
9
votes
4answers
29k views
How do I scale up pixel art without blur in GM Studio?
I'm creating a game in Game Maker Studio that uses pixel art. When I launch the game, all scaled-up textures are really blurry. (It doesn't happen to small ones.)
For example, this image
renders ...
