A physical point in an image or the smallest addressable element in a display device.

learn more… | top users | synonyms

3
votes
1answer
612 views

Scaling sprite velocity / co-ordinates in Android

I'm trying to find the answer to a question that I've had for a long time, but am having trouble finding it! I hope someone can help :-) I'm trying to find information on how to scale sprite velocity ...
1
vote
1answer
120 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 = ...
0
votes
0answers
14 views

Pixel collision detection between two images is not working in Phaser.js [duplicate]

I am applying collision between two images. But the two collided images are not taking the pixels to collide with each other. The collided images are overlapping each other but at some point, the ...
1
vote
2answers
104 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
0answers
40 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 ...
2
votes
2answers
246 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 ...
1
vote
1answer
42 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!! ...
-6
votes
1answer
52 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
0answers
52 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..
-2
votes
2answers
187 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 ...
6
votes
4answers
19k 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 ...
0
votes
2answers
30 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 ...
-3
votes
1answer
141 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.
1
vote
1answer
272 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 ...
0
votes
1answer
115 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
109 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
2answers
159 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
1answer
208 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
421 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 ...
2
votes
1answer
390 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
2answers
71 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
472 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: ...
10
votes
2answers
715 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 ...
8
votes
6answers
4k 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 ...
0
votes
2answers
68 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 ...
-2
votes
1answer
9k views

Where can I find a programmer/game developer to team up with? [closed]

I'm a pixel artist looking for an ametuer programmer/game developer to team up with, But I'm not sure where to start! I'm not particularly worried about profit, I'm only interested in making the game ...
1
vote
2answers
305 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 ...
4
votes
3answers
2k views

Optimum Screen Resolutions [closed]

Most PC games nowadays obviously come with the standard option to change the game's resolution from between 640x480 to 1920x1080 on average, depending on your monitor and whether or not you are ...
0
votes
1answer
87 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
3k 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 ...
0
votes
1answer
376 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
713 views

How do I check on non-transparent pixels in a bitmapdata?

I'm still working on my window cleaning game from one of my previous questions I marked a contribution as my answer, but after all this time I can't get it to work and I have to many questions about ...
12
votes
1answer
8k views

GLSL Light (Attenuation, Color and intensity) formula

I'm implementing point lights in my Voxel engine, and I'm really struggling to get a good flow of light, from 100% near the light source to 0% at the light radius. I have 5 arguments for the ...
1
vote
2answers
2k 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 ...
14
votes
1answer
14k 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 ...
0
votes
1answer
337 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 ...
4
votes
1answer
1k views

2D Software Lighting Issues in Java

I'm creating a 2D top-down tiled game in pure Java and by now I'm trying to implement a way to do lighting. First, some details on how I render: there is a screen class which handles all the ...
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 ...
2
votes
1answer
3k views

How do I access the pixels of an SDL 2 texture?

How exactly can one get to the RGBA pixel arrays of SDL 2.0 textures? Does the texture need to be specially initialized and locked down?
3
votes
1answer
488 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).
2
votes
1answer
527 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
400 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 ...
4
votes
1answer
303 views

Drawing different per-pixel data on the screen

I want to draw different per-pixel data on the screen, where each pixel has a specific value according to my needs. An example may be a random noise pattern where each pixel is randomly generated. ...
1
vote
2answers
2k views

RGB values from image into a one dimension array in c# [closed]

I was wondering if there is a was a way to read rgb values from an image into a one dimensional array in C#. If it doesnt make sense, in java I would do something like this. int[] pixels; ...
1
vote
2answers
272 views

Easy Method to Change Color on UI Elements

This isn't a language-specific thing as far as I'm concerned. I was wondering what may be a quick way to change the COLOR of a certain on-screen element such as a button and its associated text. I ...
0
votes
4answers
4k views

Trying to figure out SDL pixel manipulation?

Hello so I've found code that plots a pixel in an SDL Screen Surface : void putpixels(int x, int y, int color) { unsigned int *ptr = (unsigned int*)Screen->pixels; int lineoffset = y * ...
2
votes
1answer
104 views

Expandable player boundaries

I'm trying to plan how to implement non-fixed boundaries so the player can expand their controlled territory without using a tiled based system. Each pixel can be fought over for who controls it. I ...
1
vote
1answer
269 views

Texture Shaders vs. Pixel/Fragment Shaders?

My question is a simple one. Functionally, practically, and performance-wise, what are the differences between using a D3DX Texture Shader, and using a Pixel/Fragment Shader rendered with a full ...
3
votes
1answer
294 views

Making up everything from single pixels

I recently saw a game which looked a bit like minecraft, but it was a RPG. The enemies in this game consist completely of voxels and if they die, they collaps and every single voxels falls down, ...
1
vote
1answer
172 views

Application design for specific points on image

Hi guys I am starting a simple hobby app in Unity, its a 2D app, which have some alphabets like A,B,C..Z (images) . There ll be specific paths where user touch one by one to complete drawing the ...