Dweets awesomed by u/aleamb

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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nystrand

function u(t) {

for(r=777,i=2e3;i--;x.fillRect(a+r,b+r,29,19))a=t*i*i*r%2e3-r,b=i-r,g=i/3+S(t)*a/24,x.fillStyle=R(A=S(t+a/g)*S(C(t/2)+t-b/g)*i,A+a/8,A+b,.3)

Sep 9 2019 7:02 PM UTC

}// 140/140

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Show more comments…
u/yonatan

Nice one! How does it work?
u/yonatan

Oh I get it, a and b are coords used to generate the pixel color with g as tilt
u/pavel

very nice
u/13thptr

great style
u/aleamb

fucking awesome!!
u/KilledByAPixel

👍
u/magna

wowza
u/iverjo

Wow, very nice!
u/vain

Incredible

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Sny_de_Treves

function u(t) {

c.width=1920
for(i=0;i<6;i++){
a=100*(S(i+5*t)+C(i+5*t));
x.arc(1000+S(t*i)*a,500+C(t*i)*a,50,0,2*Math.PI);x.stroke();
}

Sep 8 2019 8:26 PM UTC

}// 120/140

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#juggling

u/joeytwiddle

Every day I'm jugglin'

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yonatan

function u(t) {

with(x)for(c.width|=i=26;i--;clip(fill(arc(960+S(z/9+t)*T,T=540,z**3/9,0,9))))fillStyle=`hsl(${i+t*9&1?0:T} 50%${i*2}%`,beginPath(z=i+t*9%1)

Sep 7 2019 9:55 PM UTC

}// 140/140

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#tunnel

u/0x04

Wow, great piece! <3
u/aleamb

amazing!

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mildlybean

function u(t) {

for(i=a=c.width|=0;i--;x.fillRect(i,i^X?F(i):Y,9,15))t?F=f=>S(f/99+t)*66+999:X=Y=v=b=0;Y+=++v;if(Y>F(X=(X+a+b)%a))Y=F(X),v=-v,b+=C(X/99+t)*9

Sep 7 2019 6:56 PM UTC

}// 140/140

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Gravity on a curved, moving surface

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u/KilledByAPixel

👍
u/atgz

very impressive
u/metamero

nice!! #gravity #physics
u/0x04

Nice to see that you cracked the 140 char mark! 👌
u/joeytwiddle

Like a roulette simulator! Can you guess where it will stop?
u/katkip

I consider this a life form
u/iverjo

Impressive for a dweet!

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smtsjhr

function u(t) {

c.width=1920
s=Math.PI*C(.02*t%Math.PI)
x.lineWidth=55
for(i=0;i<1250;i+=50){
x.beginPath()
x.arc(960,540,i,Math.PI+i*s,i*s)
x.stroke()}

Sep 6 2019 5:41 PM UTC

}// 137/140

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Harmonic Spin

u/smtsjhr

takes about 2.5 minutes for the motion to loop (assuming 60 fps). Don't stare too long!

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dmoura

function u(t) {

c.width|=0
x.translate(960,540)
x.rotate(-t/2)
x.fillStyle = R(0,50,100,0.2)
for(i=0;i<1300;i+=.3)
  x.fillRect(C(i)*i,S(i)*i,i/6,i/8)

Sep 4 2019 10:50 AM UTC

}// 134/140

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Galactic swirl

u/13thptr

nice style
u/aleamb

stylish!
u/dmoura

thanks! :-)
u/lionleaf

#swirl
u/iverjo

Beautiful

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smtsjhr

function u(t) {

c.width=1920;
x.lineWidth=3;
x.beginPath(); 
for(i=0;i<400;i++){
k=4000*.98**i;
x.lineTo(960+k*S(i*.02*t),540+k*C(i*.02*t));
}
x.stroke();

Sep 4 2019 8:58 AM UTC

}// 139/140

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Line Spiral

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katkip

remix of d/15558 by u/katkip

function u(t) {

eval(unescape(escape`𪑦𚀡𭀩𮱘👙🐰𞱰👛𧐻𩡯𬠨𪐽𝐻𪐭𛐻𚑰𛡰𭑳𪀨𦰹𝠰𚱓𚁑🐶𛠲𞀯𝐪𪐩𚠴𜀰𛀵𝀰𚱃𚁑𚐪𝀰𜁝𚑽𞱦𫱲𚁩🐹𞐹𞱩𛐭𞰩𮀮𩡩𫁬𤡥𨱴𚁘𚠱𛠵𛁙𚠱𛠵𛀲𛀲𚐬𦀽𚁘𚱰𦰨𬠽𣑡𭁨𛡦𫁯𫱲𚁍𨑴𪀮𬡡𫡤𫱭𚀩𚠵𚐩𧑛𜁝𚐯𜠮𝐬𦐽𚁙𚱰𦱲𧑛𜑝𚐯𜠮𝐻`.replace(/u../g,'')))

Sep 3 2019 9:14 AM UTC

}// 136/140

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if(!t){X=Y=0;p=[];for(i=5;i--;)p.push([960+S(Q=6.28/5*i)*400,540+C(Q)*400])};for(i=999;i--;)x.fillRect(X*1.5,Y*1.5,2,2),X=(X+p[(r=Math.floor(Math.random()*5))][0])/2.5,Y=(Y+p[r][1])/2.5 #chaosgame #fractal

u/rodrigo.siqueira

#uncompressed (139 characters): X=Y=730;p=[];for(i=5;i--;)p[i]=([X+X+X*S(i*5),X+C(i*5.03)*X]);for(i=X;i--;x.fillRect(X,Y,2,2))X=(X+p[r=~~(X*t%5)][0])/2.5,Y=(Y+p[r][1])/2.5
u/katkip

nice

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django

function u(t) {

w=c.width*=1;w/=2;x.beginPath();x.lineWidth=3
for(i=0;i<1000;i++)
x.lineTo(w+0.9*w*(S(.1*2.5*i/10+t)),1.1*i+30*C(t+i/11))
x.stroke()

Sep 3 2019 4:16 AM UTC

}// 132/140

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noodle

u/katkip

yummy
u/aleamb

nice!

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rodrigo.siqueira

remix of d/15559 by u/tomxor

function u(t) {

for(c.width=128,i=576;i-=1/16;x.fillRect(16*X,16*Y,Z,Z))
x.fillStyle=R(0,35,90),X=i%8,Y=i/128,
Z=1+C(20*T(Y+T(X*2))*C(X+T(Y*9))+t*4)**3/3

Aug 31 2019 12:58 AM UTC

}// 137/140

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Sea from above. #water

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u/jellyedwards

Amazing!
u/aleamb

YES!
u/aleamb

#realisti
u/aleamb

#realistic
u/tomxor

nice, sometimes the unfloored i/128 works in our favour, adds that overall gradient that makes it look like reflecting sky
u/katkip

nice
u/katkip

#tagfail
u/iverjo

Very nice water

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