Top dweets by u/Ohead

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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Ohead

function u(t) {

t?t:z=y=t;a=[[4,0],[0,6],[8,6]];b=a[Math.random()*3|0];z=b[0]*50+z/2;y=b[1]*50+y/2;t>1?x.fillRect(z,y,5,5):t

Jan 23 2023 5:41 PM UTC

}// 108/140

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Sierpiński attempt

u/joeytwiddle

A cheeky alternative to Math.random()*3 could be t**5%3
u/Ohead

That IS cheeky! Thanks for the tip :)

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Ohead

function u(t) {

r=Math.random;b=10;t?t:y=(z=960)*.6;x.fillRect(z,y,b,b);z+=((r())-.5)*20;y+=((r())-.5)*20

Mar 20 2023 7:40 PM UTC

}// 89/140

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Random Walk

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Ohead

function u(t) {

for(a=0;a<9999;)x.fillRect((b=(t*.001+1)**(a++))%1920,b/1920,1,1)

Jun 2 2023 12:31 AM UTC

}// 65/140

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Gradient-O-Tron

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Ohead

function u(t) {

x.globalCompositeOperation='xor';r=Math.random;for(i=10;i;x.fillRect(r(i--)*1920-200,r()*1080-200,400,400));

Jan 25 2023 9:56 PM UTC

}// 108/140

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Collapsing to gray

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Ohead

function u(t) {

c.width=1920
x.font='200px s'
x.fillStyle=`hsl(${t*60}deg,100%,50%)`
x.fillText(new Date('1-19-24').getTime``-new Date().getTime(),200,200)

Jan 10 2024 5:14 PM UTC

}// 139/140

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Countdown until my 20th birthday

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Ohead

function u(t) {

x.fillStyle=`hsl(${((((t*6)|0)+.5)/6)*360},100%,50%)`
x.fillRect(0,0,9e9,9e9)

Jan 24 2023 6:58 PM UTC

}// 77/140

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A bit of a disco party

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Ohead

function u(t) {

r=10
for(i=0;i<1080;i+=r){
for(j=0;j<1920;j+=r){
x.fillStyle=`hsl(${i+S(j/20*S(t))*20},100%,50%)`
x.fillRect(j,i,r,r)
}
}

Jan 23 2023 10:28 PM UTC

}// 121/140

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Wiggly rainbow pattern

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