Dweets awesomed by u/SockTaters

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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rodrigo.siqueira

remix of d/19284 by u/firegodjr

function u(t) {

for(c.width|=m=j=154;j--;)for(i=12;i--;x.font='14em"')x.fillStyle=`hsl(${j*8},80%,50%)`,x.fillText('◢◣◤◥'[S(i*j*t/70+t/70)**2*4|0],i*m,j*m)

Jul 1 2020 3:24 PM UTC

}// 139/140

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Tangram autoplay

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rodrigo.siqueira

remix of d/19229 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,Y,n=0)=>Y?f(X*X-Y*Y-.3,X*Y-.9,n+6):x.fillStyle=`hsl(${-n} 70% 50%`;i--;x.fillRect(i,0,1,3))f(i/2e3,S(t/8));x.drawImage(c,0,3)

Jun 30 2020 1:22 PM UTC

}// 140/140

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Falling spirals using the x.drawImage(c,0,1) infinite scroll trick to copy first line

u/bandaloo

beautiful! x.drawImage(c,0,1) is basically the only thing i do now

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geb

remix of d/19251 by u/geb

function u(t) {

for(a=0,o=[a=1,b=2];a++-19;)o.push(b+=a)
throw o+'\n https://oeis.org/A000124'

Jun 26 2020 5:40 PM UTC

}// 78/140

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the Lazy Caterer's sequence

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rodrigo.siqueira

remix of d/19229 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,Y,n=59)=>Y?f(S(X*X)-Y*Y+X,X*Y,n+.4):x.fillStyle=`hsl(${i/9} 90% ${S(n)*90}%`;i--;x.fillRect(i,t*180,1,999))f(i/200-4,3-t)

Jun 25 2020 1:44 PM UTC

}// 136/140

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beetle bug

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larzuk

remix of d/19236 by u/larzuk

function u(t) {

k=24,g=80|0;for(i=0;i<g*45;i++){j=i%g,h=i/g|0,m=Math.hypot(j-40,h-k)/2+S(h-t*k);x.fillStyle=R(a=k^m<<i%t,k-m<<3,);x.fillRect(j*k,h*k,k,k);}

Jun 25 2020 12:06 PM UTC

}// 139/140

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HypnoCRT

u/Xen

love it!

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larzuk

function u(t) {

k=24,g=80|0;for(i=0;i<g*45;i++){j=i%g,h=i/g|0,m=Math.hypot(j-40,h-k)/2+S(h-t*k);x.fillStyle=R(0,k-m<<3,);x.fillRect(j*k,h*k,k,k);}

Jun 25 2020 11:59 AM UTC

}// 130/140

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Optimized CRT effect

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rodrigo.siqueira

remix of d/19066 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,Y,n=59)=>X<i?f(X*X-Y*Y+.2,X*Y+.9,n+1):x.fillStyle=`hsl(${n*9} 90% ${S(n/6)*n}%`;i--;x.fillRect(i,t*60,1,i))f(i/1400-1,1-t/32)

Jun 24 2020 3:15 AM UTC

}// 140/140

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Mystery #spiral

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tomxor

function u(t) {

for(c.width=128,i=1e4;i--;x.fillRect(X=i&127,Y=i>>7,1,C(u[i]=(u[i]||0)+(T&&(K=16-Math.hypot(T.x/4-X,T.y/4-Y))>0?K/64:0))))onmousemove=e=>T=e

Jun 19 2020 3:33 PM UTC

}// 140/140

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Spooky #paint O_o

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Feiro

function u(t) {

eval(unescape(escape`砮獴牯步⠩㭯湭潵獥浯癥㵲㴨椬瘬戬䬩㴾瘿砮汩湥呯⡶ⱢⱣ⹷楤瑨簽䄽䵡瑨⹡瑡渲ⱌ㵟㴾筲⡩ⴱⱶ⬹㤪䌨䬽卛楝㼿〩Ɫ⬹㤪匨䬩⤻卛楝㵋⭁⡍⹹ⵢⱍ⹸⵶⤭䄨搭戬猭瘩紬椿䰨䰨⤩㨨猽瘬搽戩⤺爨㘬㤶〬㔴〬䴽椩`.replace(/u(..)/g,"$1%")))

Jun 16 2020 11:14 PM UTC

}// 140/140

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Inverse Kinematics! (works best in full screen)

u/Feiro

uncompressed: x.stroke();onmousemove=r=(i,v,b,K)=>v?x.lineTo(v,b,c.width|=A=Math.atan2,L=_=>{r(i-1,v+99*C(K=S[i]??0),b+99*S(K));S[i]=K+A(M.y-b,M.x-v)-A(d-b,s-v)},i?L(L()):(s=v,d=b)):r(6,960,540,M=i)
u/katkip

awesome #physics
u/tomxor

Nice! strangley broken in FireFox though
u/tomxor

Oh it's the new nullish coalescing operator ??

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tomxor

remix of d/12717 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𪐽𜠵𝠻𪐭𛐻𨰮𬱴𮑬𩐽𙱢𨑣𪱧𬡯𭑮𩀺𘰰𡠰𙰩𮀮𩡩𫁬𤡥𨱴𚀱𜠸𯁩𙠱𝐬𝠴𯁩🠾𝀬𜐬𘐡𚁸𛡦𪑬𫁓𭁹𫁥👛𛁒𚀩𛀧𘱆𡡆𙱝𦰢𱲤񌢢𺑺𒀚񉣯𰃦𶂠񊃩𱣎𶂉񃒗𹃎񉒤񂲗𾳦𮑃񉢘񌓩𶁼񅣩𰢡𶂘񉢕񋃨񌀂񌠢𛡣𪁡𬡃𫱤𩑁𭀨𪐯𝐩𛰳𚠪𚁩𙐵𚐥𜱼𜁝𚐩`.replace(/u../g,'')))

Jun 16 2020 3:35 PM UTC

}// 139/140

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Hi Bee :) #atari #retro colour

u/tomxor

Finally managed to fit a colour version, I love this little bee :)
u/tomxor

#bee
u/tomxor

#sprite
u/tomxor

#pixelart

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