Dweets awesomed by u/aeastham1

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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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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thenize

remix of d/31901 by u/rodrigo.siqueira

function u(t) {

//👁️
x.fillRect(x.globalAlpha=.01,0,2e3,2e4)
for(i=5000;i--;x.clearRect(960+C(K=i*q/2)*(25-i),510+T(i/29+3)*S(K)*(500-i),2,2))q=S(i/19-t)/5

May 29 2024 4:26 PM UTC

}// 139/140

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took some inspiration from rodrigo.siqueira and mhi

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taupelink

remix of d/31916 by u/taupelink

function u(t) {

f=u=>((u%4-2)**2-2-i%2)**2;g=n=>f(X*n/8)+f(Y-Y*n/8)&13;for(i=2e4;i--;x.fillRect(192+8*X,28+8*Y,t<7,g(1)+g(7)==g(2)+g(6)))X=i*t%192,Y=X*i%128

May 29 2024 4:25 PM UTC

}// 140/140

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d/31930

u/aaaaaz

anylink to understand how does it works ? it looks like Lissajous but superposed
u/taupelink

No links handy, sorry! I can say that this code adapts the concept of signed distance functions. f is a SDF in one dimension, g in two dimensions. g uses binary arithmetic to kind of pick out certain parts of the output of f, and the parameter of g makes it work at different scales.
u/taupelink

Also: If you see a term like "i%2" or "i%3" or "(i&5)" in any of my recent dweets...that tends to superimpose two related-but-different patterns on each other. Which can be hard to make work. I am still experimenting!
u/taupelink

*two or more, depending on the expression

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aeastham1

function u(t) {

A=960,B=540,x.fillRect(0,0,D=2e3,D)
for(i=D;i--;)x.clearRect(A+1/(Z=2.5+C(p=i*C(t/2)/40)*S(q=i/628))*(X=S(p)*S(q))*A,B+C(q)/Z*A,s=69/Z/Z,s)

May 29 2024 2:40 PM UTC

}// 139/140

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pretty simple geometric sequence, thought of it in abt 5 mins XD

u/milesn

very impressive!
u/KilledByAPixel

no, cantelope thought of it and you copied it! https://www.dwitter.net/d/2846
u/milesn

it is similar but it's probably just a coincidence. don't be so harsh!
u/lewdev

This is a copy-paste of d/2846 by u/cantelope
u/milesn

probably just a coincidence

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milesn

function u(t) {

// original quote by me!
c.width=1920
x.font="7.8em arial";
x.fillText('"I think, therefore I am." - u/milesn',0,650,);

May 29 2024 2:35 PM UTC

}// 119/140

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u/joeytwiddle

"Probably just a coincidence" - Jean-Paul Sartre 😉
u/lewdev

🤣 u/joeytwiddle

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