Dweets awesomed by u/vinca

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: #Opposites

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vinca

remix of d/14291 by u/lineranch

function u(t) {

x.arc(960+400*S(t/2),540+300*C(t/2),50+50*S(3*t+3*S(t/2)),0,7),x.fillStyle="gold",x.fill(),x.stroke()

May 30 2019 9:26 AM UTC

}// 101/140

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u/joeytwiddle

#paw
u/katkip

#Cute

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pavel

function u(t) {

for(i=c.width|=0;i--;x.fillRect(960+200*(r*C(a=i*o/300)-4*o+3),540+200*((1-o)*S(i)*C(b=o*1.6)-r*S(a)*S(b)),8,8))o=t/3%1,r=(1-o)*C(i)+3*o-4

May 30 2019 4:25 AM UTC

}// 138/140

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#torus #loop

u/katkip

#beesandbombs

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robbyg

function u(t) {

c=t?c+4:1;throw p=(t?p:0)+4/c-4/(c+2)

May 29 2019 5:22 PM UTC

}// 37/140

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Calculating #pi based on a formula I found in a Commodore 64 manual. Googling says it's the Gregory-Leibniz series.

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vinca

remix of d/14177 by u/vinca

function u(t) {

for(c.width=w=99,h=50,i=4950;i--;x.fillRect(X,Y,1,1))x.fillStyle=R(a=200*S(S((Y=i%50)|(X=i/50|0))>S(X/3|Y/3+t)),9,(S(a)*S(i+9*t)*200))

May 29 2019 12:38 PM UTC

}// 134/140

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lineranch

function u(t) {

x.arc(960,540,0,0,0)
x.arc(960+S(t)*300,540+C(t)*300,50,0,2*Math.PI) 
x.fillStyle='gold '
x.fill()
x.stroke()

May 29 2019 12:08 AM UTC

}// 110/140

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KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𨠽𦱩🐹𞐹𧐻𛐭𪐻𨡛𪐭𞑝👠𬡡𩁩𨑬𛑧𬡡𩁩𩑮𭀨𙁻𪐪𚠲𛰳𩐳𯑰𮀠𨑴𘀤𮰨𤰨𪐩𚠱𩐹𚱴𚡩𛰹𚐥𜠰𜀭𝐰𯐥𙁻𪐪𞐥𞐹𯐥𛁨𬱬𚀤𮰹𞐪𤰨𪐪𪐩𛐴𜁽𘀹𞐥𙁻𝑥𜰯𪑽𙐩𛀣𜀰𜀩𨀩𬰽𨰮𬱴𮑬𩐻𬰮𨡡𨱫𩱲𫱵𫡤𠡬𩑮𩁍𫱤𩐽𙱳𨱲𩑥𫠧𞱳𛡢𨑣𪱧𬡯𭑮𩀽𨠻`.replace(/u../g,'')))

May 28 2019 9:32 PM UTC

}// 140/140

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ＩｎｓｉｄｅＴｈｅＮｅｂｕｌａ #Space

u/katkip

*careless whisper starts playing*
u/magna

#space
u/aleamb

ooooooh!
u/tomxor

so pretty O_O but it is melting my GPU :P
u/KilledByAPixel

#nebula

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joeytwiddle

remix of d/14155 by u/pavel

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡥㵮㴾渦㠿㠭渥㠺渥㠬挮睩摴栽椽㈱㜶㭪㵩ⴭ㸾㜬椾ㄲ㜻慲挨㘰〫攨樫㌩⨱㌰ⰲ㘰⭥⡪ⴱ⤪㤰⭬⨳⵩⼱ㄮ㌬㤹⵩┲⨴〬愽椥㐯⸶㐬愩⥬㵩┱㈸Ⱨ汯扡汁汰桡㴱⵬⨪⸲⼲⸶㌬椥㑼籢敧楮偡瑨⡦楬氨⤩`.replace(/u(..)/g,"$1%")))

May 28 2019 4:28 PM UTC

}// 139/140

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Pavel's columns -> Escher's stairs

u/joeytwiddle

I don't know why two of the sides are flat ¯\_(ツ)_/¯
u/joeytwiddle

Wait this code has an arc in it? o_O
u/katkip

nice
u/joeytwiddle

globalAlpha=.5-l**.2/5.26 for a softer aesthetic
u/donbright

wonderful

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pavel

remix of d/14251 by u/pavel

function u(t) {

for(j=c.width|=0,s=84;i=j-->>1;x.fillRect(0,0,(o?Y:i)%2*s,s))Y=i>>5,o=[0,1,j%2,j%2][t&3],x.setTransform(!o||.5,!o,o,o||.5,i%32*s-s,Y*s-s)

May 28 2019 6:00 AM UTC

}// 137/140

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Houndstooth

u/Cloud

This is my teacher's dress :D

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vinca

remix of d/14195 by u/Xen

function u(t) {

for(t||(x[l="fillStyle"]="#C96",x[r="fillRect"](0,0,2e3,2e3)),i=1e3;i--;x[r](S(4^i*(4+S(t*C(t/3)/16))-49*t)*i*2+T(i+t),91*t,2,1))x[l]="#841"

May 27 2019 10:05 AM UTC

}// 140/140

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u/metamero

wood #texture

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Xen

function u(t) {

for(i=1e3;i--;x.fillRect(4^i*(4+S(t*C(t/3)/16))-t*49,t*91,2,1));

May 26 2019 9:04 PM UTC

}// 64/140

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u/metamero

#moire

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