Hot dweets by u/c2k

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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c2k

function u(t) {

c.style.filter='invert('
c.width=1980
for(i=0;i++<1e4;)x.fillRect(
900+ T(i)*100,
2100 -C(S(t*C(t+i)/2))*2000,
15,5)

Sep 12 2024 6:58 AM UTC

}// 116/140

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Making waves

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c2k

function u(t) {

MV=100;DR=5;
c.width=1980
p=(s,d)=>[(g=((s%MV)*2-d*DR)*d/2)*C(s),g*S(s)]
for(i=0;i++<1e3;){f=p(i,t*9-i);x.fillRect(900+f[0],500+f[1],15,15)}

Sep 12 2024 6:22 AM UTC

}// 140/140

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Something in the center

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c2k

function u(t) {

w=15
if(t%1>.9)
c.width=1980
x.beginPath()
x.moveTo(0,y=500)
for(i=0;i++<2e3;)x.lineTo(i,y+=Math.random()*w-w/2)
x.lineWidth=4
x.stroke()

Sep 12 2024 3:55 AM UTC

}// 137/140

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Lightning! or, Many paths of some resistance

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c2k

function u(t) {

o=100
b=2e3
r=(q)=>T(q*b)*T(q)*b
p=i=>[980+C(i)*500,S(i)*o]
c.width=b
for(i=0;i++<1e4;){l=p(r(i)+t)
x.fillRect(l[0]%b,r(i+4)+l[1],10,10)}

Sep 12 2024 5:32 AM UTC

}// 137/140

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Tornado!

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c2k

function u(t) {

w=1980;s=10;g=1;
X=t*(60*s)%w
for(Y=0;Y<1080;Y+=g){
x.fillStyle=R(S(X/100*t*t)*255,0,0)
x.fillRect(X,Y,s,g)
}

Sep 12 2024 3:28 AM UTC

}// 109/140

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redline :)

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c2k

function u(t) {

for(i=0;i<1920;i+=1){x.fillStyle=`hsl(${S(i*15*t)*t*100} 100% 50%)`;x.fillRect(i,0,15,15)}x.putImageData(x.getImageData(0,0,1920,1080),0,10)

Apr 18 2024 4:28 AM UTC

}// 140/140

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had to sacrifice some first-borns to get it small enough to fit in a dweet D:

u/Xen

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