Dweets awesomed by u/yonatan

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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f8f82804

remix of d/16561 by u/f8f82804

function u(t) {

for(x.fillRect(0,0,X=c.width^=0,X),s=200;X-=4;x.clearRect(0,s*C(z-t*3)*T(t/5),2,s))x.setTransform(4+C(θ=C(z=X/s)-t/4),β=S(θ),-β,C(θ),X,540);

Nov 9 2019 5:44 PM UTC

}// 140/140

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#ribbon

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joeytwiddle

function u(t) {

l=localStorage,c.onclick=()=>l.clear()
c.width|=i=1,x.font='3em monospace'
Object.keys(l).forEach(k => x.fillText(k+'='+l[k],9,i++*70))

Nov 6 2019 5:47 AM UTC

}// 135/140

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localStorage viewer. Click on the canvas to CLEAR ALL!

u/joeytwiddle

Visit the #localStorage hashtag to repopulate some keys ;-)
u/metamero

#tool
u/joeytwiddle

Ooof it was done before: d/5099

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KilledByAPixel

remix of d/16391 by u/KilledByAPixel

function u(t) {

for(i=340;--i;x.fillRect(960+S(m*m)*q,540+C(m*m)*q,50,50))m=i+120*t,q=1e5/i,x.fillStyle=R(i*i/99,i*i/340)

Oct 31 2019 6:28 AM UTC

}// 105/140

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Supernova ☀

u/katkip

i would like to see this on the sky
u/tomxor

wow!
u/yonatan

and so short!
u/lowtolerance

I don’t understand it at all but I love it

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TotocheBro

function u(t) {

for(i=0;i<1500;
x.fillRect(i?940+i*S(F=(t/50)+i+S((t/200)*i)):0,
i?540+(1*i*C(F)+10/i):0,K=i++?S(i)*8:2000,K))
x.fillStyle=R(.25,i,i)

Oct 31 2019 6:26 AM UTC

}// 133/140

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Weeeeeooooo

u/joeytwiddle

#spiral

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KilledByAPixel

remix of d/15976 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`景爨椽㠰〬砮晩汬剥捴⡺㴰ⰰⱱ㴱攵ⱱ⤻ⴭ椻砮晩汬剥捴⡺㼹㘰⭓⡭⵴⼲⤪焯椺椬稿㔴〫䌨洭琯㈩⩱⽩㨴〰ⱳ㵺⬫㼳攴⽩⩓⡭⨸㤫琩㨲㠰ⱳ⤩砮晩汬却祬攽恨獬⠤筓⠨洽椫㈴〪琩⩭⤪ㄹ⵭⼲素㤹┤筩⨪⸹⼴紥总`.replace(/u(..)/g,"$1%")))

Oct 31 2019 3:07 AM UTC

}// 140/140

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Step into the light.

u/katkip

awesome!
u/Conjuror

love it

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KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👱👩🐹𝐻𪐻𪐭𝰦𙡸𛡥𫁬𪑰𬱥𚁩𛐱🰴𜀰𚱓𚁴𚐪𬐺𜱥𜰬𪐭𜐿𜰰𜀫𤰨𭀯𜰩𚡱𞠲𩐳𛁮👩🠴🱱𚰨𮠿𢐽𜐭𠰨𩰽𪐯𜐳𛐱𚐺𜀩𚠵𜀺𪐫𜐬𫠪𜐮𝐬𠰨𫐽𭀫𩰪𜠩𛰶𚰳𛁡👺🱓𚁭𚠲𚱩𛰸𚐪𢐯𝠭𜐮𝠵𞡩𚠱𛠵𝠬𨐩𚑺🐭𛑩🠱𜠻𮀮𩡩𫁬𨁥𭡥𫡯𩁤𨀻`.replace(/u../g,'')))

Oct 29 2019 10:09 PM UTC

}// 140/140

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Go fly a kite.

u/magna

Amazing!
u/katkip

awesome

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keithclark

remix of d/16357 by u/pavel

function u(t) {

for(c.width=i=99;a=i-->>3;x.ellipse(50,29+a%2*39*C(t)-C(t)*19,29,29*Math.abs(S(t)),0,q=(i-a+t)%4*11/7,q))x.stroke()

Oct 29 2019 10:26 AM UTC

}// 115/140

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u/katkip

#wireframe

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tomxor

function u(t) {

c.width=99;x.fillRect(X+=a=S(X/30)<0?-a:a,Y+=b=Y>52?-b:b+.3,4,4)}{X=b=Y=a=1

Oct 26 2019 2:20 PM UTC

}// 75/140

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75byte #physics

u/tomxor

Perfect collision integration, since uniform gravity is constant it should cancel out in such a simple case, in which case integration can be skipped on a collision interval ?-b:b+.3 this is why it doesn't loose or gain significant hight on average
u/tomxor

To make it absolutely perfect this can also be changed to ?-b:b+.25 which will eliminate integration error since .25 is a non periodic binary fraction... it will bounce forever :)
u/tomxor

... but that would cost an extra byte so its no good !

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Xen

remix of d/16128 by u/rodrigo.siqueira

function u(t) {

for(X=Y=K=i=3e3;i--;)x.fillRect(i**t%3||X--*K,Y*K,Y+=X=(X-Y)/2,8)

Oct 25 2019 5:22 PM UTC

}// 65/140

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65bytes #dragoncurve #waitforit .... massive shoutz to rodrigo.siqueira!

u/Xen

i'm gonna get beaten 😂😂😂😂
u/KilledByAPixel

64! for(X=Y=K=i=3e3;i--;Y+=X=(X-Y)/2)x.fillText(0,i**t%3||X--*K,Y*K)
u/Xen

FrankForce done gone got 64b.....
u/Xen

fully upset right about now!... back in 90 years for the 33byte yea????
u/DataMeta

Marked it in my calendar! ;)

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rodrigo.siqueira

remix of d/14479 by u/rodrigo.siqueira

function u(t) {

v=(a,b,Φ,r)=>{for(i=~r;i++;)x.fillRect(a-=S(Φ),b-=C(Φ),r/70,.6)
while(r>8)v(a,b,Φ+S(b)/3,r*=.7)}
v(~~t*177%2e3,1e3-t*20,0,99*(t%(K=3-t/25)))

Oct 23 2019 3:08 PM UTC

}// 140/140

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Crop Growth #organic #fractal #tree #plant

u/Xen

nice
u/joeytwiddle

Look like slithy toves to me

dwitter.net | yonatan (19509)