shader, glitchy glitchy glitchy

9 08 2009

Sunny day, sunday morning. Nothing better then playing with one of toneburst’s new innovation.
The 2D version is not my style, but the 3d one…
Picture 42

Lets go through, what is a shader, so the shader is… well i copy from wiki:
A shader in the field of computer graphics is a set of software instructions, which is used primarily to calculate rendering effects on graphics hardware with a high degree of flexibility. Shaders are used to program the graphics processing unit (GPU) programmable rendering pipeline, which has mostly superseded the fixed-function pipeline that allowed only common geometry transformation and pixel shading functions; with shaders, customized effects can be used.

Thats it. So i skipped some very important step, and i followed my way.

Picture 53

Nice results, not new ones, many generative artists have used this kind of structure. But in a certain point i just found myself in a random glitchy situation

Picture 48

Picture 46

Woaaaa… 3D and glitchy. With several tweaking i added some more particle style fragments, its a ‘gl spline’, from kineme (GL TOOLS).

Lets go with this spline thing forward, so the spline is a…

first definition:

In mathematics, a spline is a special function defined piecewise by polynomials. In interpolating problems, spline interpolation is often preferred to polynomial interpolation because it yields similar results, even when using low-degree polynomials, while avoiding Runge’s phenomenon for higher degrees.

clear? Not at all, so i put a more specific one:

In the computer science subfields of computer-aided design and computer graphics, the term “spline” more frequently refers to a piecewise polynomial (parametric) curve. Splines are popular curves in these subfields because of the simplicity of their construction, their ease and accuracy of evaluation, and their capacity to approximate complex shapes through curve fitting and interactive curve design.

Well, better? Lets use this: parametric curve, you can add points, define the points coordinates and the subdivision (thats determining how many step will take from one point to another)

So i added 2 splines, utilizing the stipple pattern possibility, like big 3d pixels chained.

Picture 54

Picture 55

Picture 56

Whatever. Its a glitchy structure in 3d. Just  some more improvement is needed, playing a bit with the field of view and the lightning.

Picture 58

Picture 59

Nice sunday post, isn’t it? But where is a demonstration video? Not yet, its still sunday and i’am lazy to do it. Maybe tomorrow:)

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7 responses

9 08 2009
Lee

Wow!

9 08 2009
.lov.

Really nice, luv it!

9 08 2009
Murz

Do you have your QC up for this somewhere? I tried to find the Glitz on toneburst without any luck.

10 08 2009
11 08 2009
Murz

Still having trouble figuring out how to get images like the 3d one that you did. Do you have a QC that would work in VDMX up for download? Or can you point me in a better direction to play with what you have done? It is really amazing. Reminds me of some of the old Tron graphics inside the Master Controller.

10 08 2009
alx

Nice work!

a|x

19 08 2009
Dragos

Very nice structures. Done in Quartz?

Hey, can you share the sketch, or a screenshot of the setup please?

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