Tagged Questions

3
votes
2answers
395 views

2D water shader similar to Limbo's effect

I'm wondering how I would go about creating a 2D water shader that is seen in this video http://www.youtube.com/watch?v=phChFfi4GOs The water effect that limbo uses is pretty awesome. I'm not so ...
0
votes
1answer
55 views

Are there shaders or at least shader like things in Swing?

Is there? Because I'm wondering if it supports GLSL, HLSL, or it's own shading language? I don't know much about Swing graphics. Does anyone know?
-4
votes
1answer
84 views

My 2d Shader in XNA falls apart the second I put it into Farseer [closed]

I wrote a simple light shader that I tested in a simple 2d spaceship shooter and it worked fine. Once I imported it into my friend's farseer project with rotatable shapes, it doesn't seem to work ...
9
votes
3answers
974 views

Fastest way to render lines with AA, varying thickness in DirectX

So I'm doing some DirectX development, using SharpDX under .NET to be exact (but DirectX/C++ API solutions are applicable). I'm looking for the fastest way to render lines in an orthogonal projection ...
5
votes
1answer
272 views

Performance of pixel shaders vs. SpriteBatch: XNA

Precondition: I read this question/answer about using shaders, or spritebatch, to render and mark a sprite. I need to do something like that. I also have a 2D lighting PoC which I need to write. The ...
1
vote
0answers
178 views

Outline Shader Effect for Orthogonal Geometry in XNA

I just recently started learning the art of shading, but I can't give an outline width to 2D, concave geometry when restrained to a single vertex/pixel shader technique (thanks to XNA). the shape I ...
1
vote
2answers
669 views

OpenGL ES high-quality 2D scaling

Let's say I'm making a 2D game and I want to implement a zoom in/out feature. Normally this is as simple as modifying the projection matrix to get more or less of the world to show. However, this ...
0
votes
1answer
171 views

Drawing at negative coordinates in XNA?

I am trying to make a 2D isometric RPG and I kind of hit a wall when it comes to lighting. I was thinking of using shaders, if I manage to understand them.The problem I am anticipating is the presence ...
1
vote
1answer
710 views

How can I implement 2D cel shading in XNA?

So I was just wondering on how to give a scene I am rendering a hand drawn look (like say Crayon Physics). I don't really want to preprocess the sprites and was thinking of using a shader. Cel shading ...
1
vote
2answers
664 views

How to achieve this particular screen filter with GLSL?

I know this may be a "short" question, but still here it goes. I would like to know how to achieve a post rendering effect, that looks like the following image from walking dead series: I will ...
3
votes
2answers
2k views

Basics of drawing in 2d with OpenGL 3 shaders

I am new to OpenGL 3 and graphics programming, and want to create some basic 2d graphics. I have the following scenario of how I might go about drawing a basic (but general) 2d rectangle. I'm not ...
2
votes
2answers
3k views

XNA a Simple 2D Point Light

I want to make a 2D Point Light in XNA, I was able to find some helpful information but it is too advance for me, since i know nothing about Shaders ...
0
votes
1answer
593 views

Some help understanding and modifying a 2D shader

I have a similar question as the one posed here, except that I don't wish to use a 1D Color Palette. I simply wish to have it display 1 color of my choosing (red, for example). I plan to use this ...
6
votes
2answers
795 views

Casting a shadow over a whole scene with GLSL in 2D?

I'm making a (non-isometric) side scrolling 2D game and I want each fragment that I draw to cast a small drop shadow when it is near another object. What sort of algorithms are used in fragment ...
12
votes
2answers
12k views

OpenGL ES 2.0: Setting up 2D Projection

This article describes in general, how to draw sharp OpenGL 2D graphics, using fixed function pipeline. http://basic4gl.wikispaces.com/2D+Drawing+in+OpenGL Because OpenGL ES 2.0 has some ES 1.x ...