Dweets awesomed by u/Pascal

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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Pascal

remix of d/21752 by u/danny@hille.dk

function u(t) {

t?0:c.width=w=960,x.fillStyle='#2361'
for(x.fillRect(0,0,i=w,w);i-->-w;)x.clearRect(w+i-T(i*i+t/99),270-S(S(S(S(i/50)+t)+t)+t)*200,4,2)

Feb 23 2021 10:44 PM UTC

}// 135/140

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danny@hille.dk

remix of d/21750 by u/Pascal

function u(t) {

for(c.width|=w=i=255;i--;x.fillStyle=R(r=S(i)*w,C(r)*w,-r,.6),x.beginPath(x.fill(x.arc(i%9*w+r,i*4+r,(60+C(t))*3*(C(i*i-t))**2.3,0,7))));

Feb 23 2021 9:06 PM UTC

}// 137/140

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bubble gum #candy remix

u/Xen

nicely

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Pascal

function u(t) {

c.width|=t?(R+=4/(f=frame*4-7),R-=4/(f+2)):R=0
x.font="99px'",x.fillText("π ≈ "+R,314,628)

Feb 23 2021 5:52 PM UTC

}// 90/140

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π infinite series

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Pascal

remix of d/21662 by u/Pascal

function u(t) {

for(c.width|=0,i=144;i--;x.fill(x.arc((X=i%16)*120+60,(i-X)*7.5+60,(.5+C(t-3.14)/2)*(7*C(i*i+t*2)+S(i*i/5+t))**2,0,7)))x.beginPath()

Feb 23 2021 4:49 PM UTC

}// 132/140

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circles

u/DaSpider

126... with(x)for(c.width|=i=144;i--;fill(arc((X=i%16)*120+60,(i-X)*7+60,(.5+C(t-3)/2)*(7*C(i*i+t*2)+S(i*i/5+t))**2,0,7)))beginPath()
u/danny@hille.dk

121: for(c.width|=i=144;i--;)x.beginPath(x.fill(x.arc((X=i%16)*120+60,(i-X)*7+60,(.5+C(t)/2)*(7*C(i*i+t*2)+S(i*i+t))**2,0,7)))
u/danny@hille.dk

112:for(c.width|=i=144;i--;)x.beginPath(x.fill(x.arc((X=i%16)*120+60,(i-X)*7+60,(.5+C(t)/2)*(7*C(i*i+t*2))**2,0,7)))
u/danny@hille.dk

last +S(i*i+t) didn't do much

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Pascal

remix of d/21744 by u/Pascal

function u(t) {

for(c.width|=i=w=1e3;i--;c.style.filter=`invert(.9`,x.strokeStyle=`#0dd6`)x.lineTo(w+w*C(a=i*2+t)/(z=S(a)-3),540+w*S(a-t)*C(i)/z)
x.stroke()

Feb 23 2021 4:01 PM UTC

}// 140/140

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Pascal

function u(t) {

for(c.width|=w=i=1e3;i--;x.lineTo(w+w*(C(b)+C(i+t/2)*S(t)+C(a=i/2))/z*3,540+w*(S(i)*C(t/2)+S(a))/z*3))z=S(b=i+t)+10
x.stroke()

Feb 22 2021 10:20 PM UTC

}// 126/140

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Pascal

remix of d/21743 by u/Pascal

function u(t) {

for(c.width|=i=w=1e3;i--;x.strokeStyle=`#05a5`)x.lineTo(w+w*4*C(a=i-t)/(z=S(a)-6),540+w*(S(i*5)+2*S(i*8))/z*.8)
x.stroke()

Feb 22 2021 8:56 PM UTC

}// 123/140

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spinning #d3 thing

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Pascal

function u(t) {

for(c.width|=i=w=1e3;i--;c.style.filter=`invert(.8`)x.lineTo(w+w*(2*C(a=i+t)+C(b=i/2+t))/(z=S(a)-3.5),540+w*(2*S(i)**2-1)/z)
x.stroke()

Feb 22 2021 8:34 PM UTC

}// 135/140

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#d3 wave

u/anotherkitten

thats sick

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anotherkitten

function u(t) {

for(i=0;i<239;x.fillRect(i&&i*9,i&&540+139*S(M=t*3+i/9)+90*C(t*2-i/39),i?-9:2e3,i++?S(i/76-t)**.5*190:2e3))x.fillStyle=R(i*2,i,i&&255,i||.1)

Feb 22 2021 7:27 PM UTC

}// 140/140

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u/Qwitter

thats friendly looking

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rodrigo.siqueira

remix of d/21725 by u/Pascal

function u(t) {

for(x.fillRect(0,0,2e3,2e3),i=w=400;i>-400;i--,x.clearRect(960+960*i/w,540+250*S(i/40-t)*C(t+S(i/9)+S(i+t))*S(t+i/99),6,6))x.globalAlpha=.1

Feb 22 2021 1:23 AM UTC

}// 139/140

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Wave-particle flow

u/Qwitter

cool!

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