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u(t) is called 60 times per second. t: Elapsed time in seconds. S: Shorthand for Math.sin. C: Shorthand for Math.cos. T: Shorthand for Math.tan. R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5) c: A 1920x1080 canvas. x: A 2D context for that canvas.
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  • loktar: Started as something completely different, thought this looked neat and fit in the limit.

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  • username: it is not a fractal though
  • KilledByAPixel: It is though... Also interesting if you change the ^ to a | or & it becomes an ordinary sierpinski triangle (also a fractal).
  • username: I agree with the Sierpinski triangle, but the other one is not a fractal on my screen.

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  • andrea270872: /* LOGIC The point (I,J) depends on t and scans the screen from top-left to bottom-right, then restarts. It also hops of circa 50 pixels in both directions. The point (A,B) is a scaled and translated version of (I,J); (A,B) is centered arund (0,0) and goes approximately from -1,5 to +1.5 in both directions. The loop is a simplified version of the Julia iterated fractal loop: - i starts from 0, and goes max to 25 iterations, and the point starts at z=A+i*B - the function being computed is: Z=Z^2+(-0.8,+0.2) separating real and imaginary part, the formula is: A = A*A-B*B-.8 AND B = 2*A*B+.2 and the notation [A,B] saves me from using a temp variable. The loop exits if: - i is 25 or - distance of (A,B) from (0,0) is more than 2 */
  • f8f82804: #dither #halftone #fractal

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@.+

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