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#algorithmicart

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These artworks are based on a generalization of Lucas sequences for complex numbers, defined as:
Z(0) = 1
Z(1) = 1 or i
Z(n) = shrink( e^(iθ)·Z(n-1) + Z(n-2) )

Where shrink() is a function which decreases a complex number into the two-unit square or the unit circle centered at the origin. In these works I use three different versions, based on taking out the integer part of the real and imaginary parts (or the integer part minus 1), or of the modulus of the number in polar form.

Figure 1 depicts the 128 values walk using θ = π/5 and Z(1) = i, and the shrinking function which takes out the integer part of the real and imaginary parts.

In the three artworks that follow, the lines connecting successive values toggle between being drawn or not. See the alt text for more information related to the artworks.
#mathart #math #algorithmicArt #AbstractArt

Still rewriting the algorithmic art library I wrote in #CommonLisp during the height of COVID. I can't say I've managed to make it too much faster, but it *is* easier to use. The canvas mottling code is so much shorter now, and ready to go.

Drawing on a flat canvas can be boring.

The mottled texturing is managed by just doing a bunch of random walks until the pen leaves the scene. Each one has a color *close* to the original canvas background.

Completed this painting recently. Not sure if I've mentioned this, but I've transitioned to a mode where I create computer algorithms that generate images, which I then paint by hand. I find the process of mapping rigid computer-based processes to the messy real world to be an extremely satisfying approach.

Nature promotes diversity, don't be anti-nature.
Good #Stonewall uprising anniversary! (28th of June)
This piece was created as follows: each element was generated based on a prime number from 2 upwards, specifically the first six decimal places of its square root. The first four decimals defined the shape, the next two the colours.
Shapes are based on the properties of the plastic ratio (plastic as in plastic arts, not the infamous material), a lesser-known ratio with many interesting properties.
As can be seen in the second picture, there are several ways to connect the ends of a quarter of a unit circle as a sequence of quarter sectors with radii the inverse powers of this ratio, up to the fifth. There are exactly ten possibilities disregarding sector rotations, so each one can represent one decimal place (third picture), and four sides make up the whole shape.
For the colours, each decimal represents one of ten colours; inside they are renderend lighter and outside darker.
Lastly, the grey background was generated using the Halton sequences of 2, 3 and 5.

Sieht nach nicht viel aus, ist aber das Ergebnis von einer Woche Arbeit. Ich lerne nun Python und das ist mein erstes Projekt: Ein Framework um algorithmische Kunst zu produzieren. Das hier wird von 2 Filtern gemacht.

Aktuell unterstützt es nur Zufallszahlen als Input, als nächstes kommt aber Musik dazu.

Ich glaube, zuerst mag ich aber Fractal Flames von Scott Draves einbauen 🤔

Continued thread

Tetrahedral symmetry requires that a general point be in a set of 12 -- on each of the 4 faces in each of 3 orientations. You can also add 4 points at the vertices, 4 at each face center, or 6 at each edge center. Combined, any even number of points >= 4 can be arranged with tetrahedral symmetry, albeit not always evenly.

Here is 50 points in tetrahedral symmetry which requires that some of them have valence 7.

#AlgorithmicArt #CreativeCoding
#Processing #glsl #shaders