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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tomxor

remix of d/15454 by u/katkip

function u(t) {

a ++
throw a
}{a=1e3

Aug 19 2019 7:28 PM UTC

}// 20/140

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Variable initialisation with only +2 chars (hack)

u/tomxor

Saves up to 4 chars vs t||(a=1e3);
u/katkip

Ohh
u/katkip

#genius #exploit I didnt know about that. This is clever

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DataMeta

remix of d/15444 by u/DataMeta

function u(t) {

if(t++<8)for(i=2e3;i--;)Q=(h=i-960)*h/4e5-2,
x.fillStyle=R(l=t*i/18%232,S(t)*i/9,240-l),
x.fillRect(i+60,540+C(t+l/36)*l*Q,9,9)

Aug 18 2019 11:28 PM UTC

}// 127/140

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Smoothed curves, widened palette + golfed

u/DataMeta

#waitforit
u/joeytwiddle

It could be a colourful sea creature

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veubeke

function u(t) {

c.width=192
for(i=9;i--;)x.rect((4+i+S(t)*3)*10,40,5,20)
for(i=5184;i--;)x.fillRect(X=i%96*2,Y=(i/96|0)*2,W=x.isPointInPath(X,Y)+1,W)

Aug 18 2019 6:00 PM UTC

}// 133/140

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Overcomplicated default ;)

u/DataMeta

:] #default
u/katkip

!
u/joeytwiddle

Dwittendo!
u/Qwitter

nice

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DataMeta

function u(t) {

if(t<8)for(i=2e3;i--;)Q=(h=i-960)*h/4.2e5-2,
x.fillStyle=R(l=t*i/18%224,S(t)*i/11,224-l),
x.fillRect(40+i,540+S(t-l/18)*l*Q,10,10)

Aug 18 2019 5:11 AM UTC

}// 130/140

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#waitforit

u/13thptr

stylish

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taupelink

function u(t) {

s=x.fillStyle=['Orange','Tomato','Olive','Plum','Lime'][v=frame%5],x.font=(3+v)+'em"',x.fillText(s,960+90*(r=1+t/2)*C(w=t*12),540+50*r*S(w))

Aug 15 2019 2:21 AM UTC

}// 140/140

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Abstract fruit word spiral

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django

function u(t) {

w=c.width=1920 // clear the canvas
j=t*100
for(i=0;i<800;i++){
k=j*S(0.025*(t+i))
x.fillRect(w/2-100 -S(i/t)*k/4,t+2.5*i,k/2,2.5)
}

Aug 14 2019 8:30 AM UTC

}// 131/140

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oil slick

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rodrigo.siqueira

remix of d/14415 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,2e3,2e3)
v=(a,b,Φ,r)=>{for(i=0;i++<r;)x.clearRect(a-=S(Φ),b-=C(Φ),s=r/9,s)
r>8&&v(a,b,Φ+S(t*i**9)/2,r*=.9)}
v(940,1e3,0,99)

Aug 14 2019 1:21 AM UTC

}// 138/140

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Tesla rays #organic

u/KilledByAPixel

Φ

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rodrigo.siqueira

remix of d/15329 by u/tomxor

function u(t) {

for(a=b=0,i=1e4*(t<9);i--;x.fillRect(a*640,b*800-500,1,.1)) 
r=1|Math.random()*3,
a+=(r-a+b*C(b*3))*.5,
b+=(2-a*b+C(b*3))*.25

Aug 13 2019 12:05 PM UTC

}// 125/140

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Chaos Photographer, Pic 1, Remix 1 #spiral

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tomxor

remix of d/15387 by u/taupelink

function u(t) {

g=(a,b)=>b?g(b,a%b):a;f=()=>(X=t?X:1,X^=X<<13,X^=X>>17)%1e7|0;t||(m=n=0);n++;g(f(),f())-1||m++;x.fillRect(n%1920,1080*(1-m/n),1,1);throw m/n

Aug 13 2019 9:44 AM UTC

}// 140/140

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Deterministic version using 2/3 of an XORSHIFT seeded with 1.

u/taupelink

Cool!

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katkip

remix of d/15393 by u/katkip

function u(t) {

eval(unescape(escape`𒡩𩠨𘑴𚑻𬐽𦱝𞱦𫱲𚁩🐱𞐲𞱩𛐭𞰩𬐮𬁵𬱨𚁩𙐳𚑽𩡯𬠨𪐽𜐻𪐼𬐮𫁥𫡧𭁨𞱩𚰫𚑸𛡦𪑬𫁓𭁹𫁥👒𚁱𦱩𧐪𜐲𞀩𛁱𦱩𧐽𚁱𦱩𚰱𧐪𬑛𪐭𜑝𧠲𧡱𦱩𧐩𙐳𛁸𛡦𪑬𫁒𩑣𭀨𪐪𜐰𛀰𛀱𜀬𜐰𚐻𮀮𩁲𨑷𢑭𨑧𩐨𨰬𜀬𜐰𚐻`.replace(/u../g,'')))

Aug 11 2019 5:33 PM UTC

}// 124/140

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Extremely interesting rule I discovered!

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