Dweets awesomed by u/Puffywatermelon86

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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Puffywatermelon86

remix of d/11015 by u/rodrigo.siqueira

function u(t) {

c.width^=0;x.fillStyle='#137';for(j=0;j<19;j++)for(i=0;i<22;i++){x.beginPath(x.fill(x.arc(99+i+24,90*j,S(j*i+t*9)*9+39,0,7)))}

Aug 27 2024 12:58 PM UTC

}// 126/140

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HardlyProductive

function u(t) {

for(c.width|=i=0;i<9;i++){x.beginPath();
x.arc(200*i+100,540,100,0,9);
x.stroke();x.fillRect(200*i+85+100*S(7*t+i),525-100*C(7*t+i),30,30)}

Aug 17 2024 8:52 AM UTC

}// 139/140

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u/dabl03

Wow, if you change S to C it looks like a wave, if you change C to T it looks like jumping frogs :)

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beaster

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𜐹𜠰𒡦𫱲𚁩🐰𛁨👶🐰𛠵𞱩🀵𩐴𞱩𚰫𛁨𜠽𛠹𛐮𞐪𪀫𛠸𚡨𚡨𚰮𜠪𪀪𭠫𛠷𚡶𛐮𜐪𭠪𭠬𭠽𛠶𛐱𛠱𚡨𛐨𜀮𜠭𚁃𚁴𚐫𜐮𜀩𛰱𜀩𚡨𚡨𚰮𝰪𪀪𭠭𜀮𜰪𭠭𛠹𚡶𚡶𛁨👨𜠩𒡸𛡦𪑬𫁒𩑣𭀨𝠴𜀪𚀱𚱨𚐬𜰶𜀪𭠫𞀰𜀬𜐬𜐩𒠠`.replace(/u../g,'')))

Aug 15 2024 1:40 PM UTC

}// 130/140

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unpacked:c.width=1920 for(i=0,h=v=0.5;i<5e4;i++,h2=.9-.9*h+.8*h*h+.2*h*v+.7*v-.1*v*v,v=.6-1.1*h-(0.2-(C(t)+1.0)/10)*h*h+.7*h*v-0.3*v-.9*v*v,h=h2) x.fillRect(640*(1+h),360*v+800,1,1)

u/cantelope

wat
u/hoplite

139 chars: for(c.width|=h=v=0.5,i=5e4;i--;g=9-(9-8*h-2*v)*h+7*v-v*v,v=(6-(11+h-C(t)*h-7*v)*h-(3+9*v)*v)*.1,h=g*.1) x.fillRect(640*(1+h),360*(v+2),1,1)

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mxfh

remix of d/32247 by u/rodrigo.siqueira

function u(t) {

c.width|=h=C(t)
with(x)for(h,transform(X=~~(9+h*9),h,C(167/h),X,960,600);X--;fill(new Path2D(`M${T(h+X)-9} 9 h25 l-3-5 h-19`)))rotate(2.094)

Aug 14 2024 11:24 PM UTC

}// 140/140

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u/rodrigo.siqueira

It is possible to save 2 characters by changing the beginning of the code this way: with(x)for(reset(h=C(t)),h,... I found that x.reset() is the same as c.width|=0 but shorter. So, I usually don't use c.width|=0 trick anymore. And you can add code inside parentheses so you don't need the "enter" or ";" characters. E.g. : x.reset(code here)

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Tesseract

function u(t) {

f=(x,y)=>x||y?(x+y)%2==0?2*f(x-y>>1,x+y>>1):f(-y,x-1)+1:0
t?i+=2:i=0
for(j=2e3;j--;x.fillStyle=R(f(i,j)/9e4))x.fillRect(j,i,1,2)

Aug 11 2024 9:37 PM UTC

}// 128/140

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An embedding of the infinite binary tree into ZxZ

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Tesseract

remix of d/8245 by u/Tesseract

function u(t) {

x.strokeStyle=R(9,t?(i+=2)/9:i=0,0,.3)
for(j=3e3;j--;x.beginPath(x.stroke()))l=(k=i|j)&-k,x.arc(j,i,(x.lineWidth=l/(l&i&j?.707:1)/18)*9,0,7)

Aug 11 2024 12:17 PM UTC

}// 140/140

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Updated due to change in Firefox behavior

u/Tesseract

Line width greater than circle radius now draws filled circles, so arc radius and line width are no longer semi-interchangable.
u/KilledByAPixel

https://www.reddit.com/r/tinycode/comments/1…

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zadgy5534

function u(t) {

c.width=960
x.translate(w=360,w)
for(i=0;i<w*2;i+=.8){
x.fillRect(X=i*C(i%t),Y=i*S(i/t),8,8)}
x.fillStyle=(X*8,Y*8,w-X*Y)

Aug 11 2024 10:33 AM UTC

}// 121/140

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Precipitation

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rodrigo.siqueira

remix of d/32215 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,i=w=c.width|=0,w);x.translate(960,540);for(x.rotate(3);i--;x.clearRect(T(i*i+t/49)*z/2,T(i)*z/53,w/i,w/i))z=w*590/i

Aug 10 2024 11:02 PM UTC

}// 130/140

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Space debris #stars

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shandriy

function u(t) {

eval(unescape(escape`󩭯󬬨󪜽󜜱󛍣󛭷󪝤󭍨󟜹󝬻󪜭󛜻󮌮󩭩󫍬󤭥󨽴󚌴󝼫󤼨󭌫󚍯󟝩󚬲󚜩󚬲󜌪󠼨󫼩󛌲󝬫󤼨󭌫󫼩󚬲󜌪󤼨󫼩󛌲󛌲󚜩󩭯󬬨󪬽󜼰󜌻󪬭󛜻󚝸󛭦󪝬󫍒󩝣󭌨󝌸󚽓󚍪󚼨󫼽󪜪󜬩󚜪󝬰󚭃󚍯󚜬󜬷󚽓󚍪󚽯󚜪󝬰󚭓󚍯󚜬󛬳󛌮󜼩`.replace(/u../g,'')))

Aug 8 2024 7:35 PM UTC

}// 121/140

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All points moving on straight lines

u/shandriy

Original code: for(i=11,c.width=96;i--;x.fillRect(47+S(t+(o=i*2))*20*C(o),26+S(t+o)*20*S(o),2,2))for(j=300;j--;)x.fillRect(48+S(j+(o=i*2))*60*C(o),27+S(j+o)*60*S(o),.3,.3)

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rodrigo.siqueira

remix of d/32199 by u/384.cz

function u(t) {

!(z=t/2)&&(X=Array(N=540).fill(960),Y=Array(N).fill(N))
for(i=N;i--;)x.fillRect(X[i]+=S(k=i+z/9+S(t))*z,Y[i]-=C(k)*z,z,z)

Aug 8 2024 2:27 PM UTC

}// 121/140

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Volumetric growth

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