Dweets awesomed by u/DataMeta

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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Current theme challenge: #Food

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rodrigo.siqueira

remix of d/13690 by u/rodrigo.siqueira

function u(t) {

for(c.width|=w=950,i=2e3;i--;)X=3*C(U=i/3)+C(V=1e6/U)*C(t),Y=(2+S(U*3+t))*S(U+t)-3,Z=S(U*2+t*9)-C(t*4)-6,x.lineTo(w+w*X/Z,w*Y/Z)
x.stroke()

Dec 4 2019 2:21 PM UTC

}// 139/140

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Dancing fiber ribbon

u/katkip

smooth
u/Xen

Very smooth

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lionleaf

remix of d/16787 by u/KilledByAPixel

function u(t) {

c.width|=i=0
x.font='21em monospace'
'Live again!'.split('').map(c=>x.fillText(c,9+(I=i%13)*145,420+S(I+t)*99+399*(i++/13|0)))

Dec 4 2019 4:58 AM UTC

}// 126/140

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Also, a test kinda :)

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KilledByAPixel

function u(t) {

c.width|=0
with(x)fill(ellipse(960,540,510,160,0,0,7)),beginPath(fillStyle='#787'),fill(ellipse(960,490,500,150+C(t*=5)*50,S(t)/8,0,7))

Dec 3 2019 9:31 PM UTC

}// 135/140

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Disk

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Blacklink

function u(t) {

r=10
m=2*Math.floor(t/7)+1
c.width|=0
for(var s=0;s<t%7;s+=0.001){x.fillRect(1000+1000*S(s)*C(m*s)*C(s),500+1000*C(s)*S(m*s)*S(s),r,r)}

Nov 30 2019 9:04 PM UTC

}// 135/140

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Spirograph generator

u/jellyedwards

#waitforit very cool

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KilledByAPixel

remix of d/16762 by u/KilledByAPixel

function u(t) {

X=960,Y=540
with(x)for(beginPath(stroke()),lineWidth=4,strokeStyle=`hsl(${-t*99},99%,50%,.3`,i=1e4;i--;)lineTo(X+=S(t+=X*Y)*9,Y+=C(t)*9)

Nov 30 2019 3:06 AM UTC

}// 136/140

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ant trails

u/KilledByAPixel

🐜 #ant
u/DataMeta

Super neat. #colors
u/Xen

love it!
u/katkip

sexy
u/katkip

#art

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Xen

remix of d/16760 by u/Xen

function u(t) {

t?x.fillText(8,X+=S(A+=X*Y/9)*9,Y+=C(A)*9):(X=960,Y=540,A=0)

Nov 29 2019 6:30 PM UTC

}// 60/140

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60 bytes

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katkip

function u(t) {

t||(s=0,X=960,Y=540)
x.fillRect(X,Y,10,10);
X+=(r=Math.round)(S(s))*10,Y+=r(C(s))*10
s+=T(t)

Nov 27 2019 12:28 PM UTC

}// 92/140

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nobody's ant

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DataMeta

function u(t) {

x.beginPath(x.fill());for(i=9;i--;)t<2?x.arc(960+270*S(t*3)+i*3,540-240*C(t*3)-i*3,64*C(t*.8),0,7):0

Nov 26 2019 4:27 AM UTC

}// 100/140

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Ensō

u/katkip

you did it backwards but ok
u/DataMeta

There is no right or wrong way to draw one
u/DataMeta

It is an act of meditation and an expression of the mind and body's state in the moment

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Xen

remix of d/12510 by u/katkip

function u(t) {

for(c.width|=j=99;j--;)for(x.lineWidth=i=4;i--;x.lineTo(960+C(i*1.57+7*C(t/3))*600,940+S(i*1.57+7*C(t))*199-j*9));x.stroke()

Nov 25 2019 7:46 PM UTC

}// 124/140

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little remix

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Xen

remix of d/7126 by u/dwardu

function u(t) {

r=n=>(t**t%n|0)*97
x.drawImage(c,r(19),r(9),192,192,r(20),r(11),w=96,w)
x.fillStyle=R(r(3))
x.fillRect(r(21),r(11),w,w)

Nov 25 2019 7:37 PM UTC

}// 119/140

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test

u/veubeke

Test successful: crashes my Safari on iOS every time
u/Xen

oops, sorry V

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