Nebula
Nebula came out of an attempt to manipulate individual pixels to create digital paintings. I had been stimulated to do this by Lisa Jevbrett’s work using individual pixels to link out to web sites. I coded a pixel to move across the screen by using a randomiser to move one pixel at a time up/down/left/right continuously at 999 frames a second. (I subsequently learned that this was ‘Brownian’ motion). I then had a moment of intuition and decided to use a low opacity level on the pixels ‘just to see what happens’. The result was a Nebula. There are now over 50 distinct iterations of Nebula. In some cases, it takes over an hour for anything much to appear on the screen. In other cases large blood-red globules pulsate about. In all cases Nebula eloquently critiques the notion that on-the-web content must be delivered spontaneously (exemplified by ‘skip intro’).
Nebula_256. 256 pixels each with a colour out of the 8-bit palette are manipulated through code. The multi-coloured output is more intense and more immediate than in some of the Nebula versions. It will still take some considerable time to fill the screen (dependent upon your computer’s processing power).
Nebularbpw3 is the most advanced version of Nebula that I produced before moving into more tangential experiments e.g. Nebulaeg below. Black pixels are used here to effectively erase out some of the colour pixels and so preventing the image from turning into a flat unchanging single colour. The black pixels combined with the varying opacity enable a sense of depth.
Nebulaeg is an experiment in adjusting parameters. I had created over different versions of Nebula when took the decision to apply the same code to much larger graphic elements. In this case, a simple unfilled vector ellipse is layered over one hundred times and then each instance is moved 1 pixel at a time. The result was surprising and intriguing.
Nebulap1cp is the newest iteration of Nebula. It is somewhat a return to the very earliest forms. However, there is substantially more code at work here. The result is virus-like rather than gas clouds. It shows the variety that can be produced by adjust the code/graphics within the general constraints.
Nebulamcp is in many ways the most enigmatic of Nebulae. On first ‘firing up’ the file nothing seems to be happening. After some minutes some faint colouration becomes visible. To get any extensive output requires many hours. Thus Nebulamcp is the best example of my wish to critique ‘the all content now’ imperative of the web.
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