Dweets awesomed by u/Odog8

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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Joachim

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪍼󟝴󟼰󞭤󟝰󟝛󧜊󩌫󚼊󩌥󞜼󝬦󙭰󛭰󭝳󪌨󮽸󞬹󝬰󚽓󚍴󚜪󜬰󜌬󮜺󝜴󜌬󬼺󜜬󬬺󤼨󭌪󞜩󯜩󒭦󫽲󚍩󘍯󩬠󬌩󮽳󟝩󛭳󒭸󛭦󪝬󫍒󩝣󭌨󪜮󮌭󬼯󜬬󪜮󮜫󟝳󛼵󜌬󪜮󬼪󟜱󛬰󝜬󬼯󝌰󚜊󮌮󩭩󫍬󤭥󨽴󚍩󛭸󚽳󛽩󛭲󛍩󛭹󛝳󛍳󛼹󛍳󚜊󮌮󩭩󫍬󤭥󨽴󚌰󛌵󝌰󛍳󛌲󚝽`.replace(/u../g,'')))

Aug 28 2021 1:39 PM UTC

}// 140/140

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old, #infinite #road

u/Joachim

#perspective
u/rodrigo.siqueira

Almost a car #game. Better than Atari's Enduro.
u/vain

just wow!

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taupelink

remix of d/23662 by u/taupelink

function u(t) {

for(i=k=255;--i;x.fillRect(k*--X,630-i*Y,i*(q*q%t<t**-t),q/Y/t))f=i*t,X=f*f%8,Y=T(X*f),x.fillStyle=R(q=i*Y,q/=T(X/3)<Y?6/X:-.8,q^=k,i*X/q/q)

Aug 28 2021 6:17 AM UTC

}// 140/140

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d/23666

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Joachim

function u(t) {

eval(unescape(escape`󮬽󨼮󭽩󩍴󪍼󟝴󟼰󞬨󨬽󮽸󞬹󝬰󛍹󞬵󝌰󯜬󫌽󜌩󒭸󛭦󪝬󫍒󩝣󭌨󨬮󮌬󨬮󮜬󞜹󛌹󞜩󒭸󛭦󪝬󫌨󮌮󨝲󨼨󭌪󞜹󞜫󫌬󝜷󜌫󫌬󜬵󛌰󛌷󚜩󒭩󩬨󭌾󜜩󮽢󛭸󚼽󜜰󛽴󒭬󛜽󜜰󛽴󒭴󟌲󟽢󛭹󚼽󤼨󭌭󜜩󚬹󞬰󯜊󮌮󩭩󫍬󤭥󨽴󚌹󝬰󛌶󜼹󛌹󞜬󜬴󝜩󒭸󛭦󪝬󫍒󩝣󭌨󜌬󞌸󜌬󮬬󞜩`.replace(/u../g,'')))

Aug 27 2021 8:00 AM UTC

}// 140/140

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block #physics

u/vain

wtf? great physic like fx

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pavel

function u(t) {

with(x)for(i=w=t?0:2e3,h=540;y=h*S(i*i--);beginPath(fill(rect(690,491,h,98))))ellipse(i,h+y,2,20,Math.atan2(y-(i-720)*(i-1200)/y,2*i-w),0,7)

Aug 19 2021 6:31 PM UTC

}// 140/140

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#magnet

u/tomxor

Perfect
u/danny@hille.dk

very nice indeed
u/tomxor

And considerate t?0:2e3 :D

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lerc

remix of d/20904 by u/lerc

function u(t) {

eval(unescape(escape`𭁼𯀨𨰮𭱩𩁴𪀽𝀰𜀩𒡬👡🐾𚁸𛡤𬡡𭱉𫑡𩱥𚁣𛀭𭰬𛑨𚐬𤰨𭀪𨐩𚰱𚐊𮀮𬱥𭁔𬡡𫡳𩡯𬡭𚁁🐱𛠰𜐬𠠽𛠰𜐬𛑂𛁁𛁷🐲𜀰𚱓𚁴𚐪𚁑🐴𜀩𛁨🐹𞐫𠰨𭀩𚡑𚐊𮀮𩡩𫁬𤱴𮑬𩐽𤠨𜀬𜀬𪀪𫀨𜐮𝐩𚐊𮀮𩡩𫁬𤡥𨱴𚁵🐨𫀨𜠮𜐩𛑬𚀱𚐩𚡑𛀭𭐬𝀬𝀩𒠻`.replace(/u../g,'')))

Aug 16 2021 1:49 PM UTC

}// 135/140

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Night Flight

u/rep_movsd

The initial part looks like a rock

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mxfh

remix of d/23551 by u/mxfh

function u(t) {

I=new ImageData(w=2048,w)
b=new Int32Array(I.data.buffer)
for(i=3e6;i--;b[i]=(i-Y&Y+i)*-t/i%i<<22)Y=i*w
x.putImageData(I,0,0)

Aug 15 2021 2:06 AM UTC

}// 125/140

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https://www.dwitter.net/d/23557 so with some space for setting up other buffer view, it speeds things up when treating rgba Uint8Clamped Array as single 32bit value

u/mxfh

wondering if we could store that buffer somwhere to do truly iterative fractal stuff
u/taupelink

trippy!

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tomxor

remix of d/23544 by u/pavel

function u(t) {

for(a=Math.abs,c.width&=i=4352;X=1-(T+i/32)%2,Y=--i/2e3;x.fillRect(X*r+64*T,Y*r+96-64*a(S(t)),T=a(2-t%4)+1,(i^i/64)/8&1))r=64/(--Y*Y+X*X+1)

Aug 13 2021 12:57 AM UTC

}// 139/140

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Smoother #Amiga #Ball

Show more comments…
u/tomxor

..But less authentic. Remaps the pixel positions rather than texture, which gives "free" antialiasing, with spare space to correct the spin.
u/pavel

Oh yeah, nice. This is definitely a better way of doing it. The other mapping has an incorrect center that I have to waste characters to correct.
u/pavel

-2 char using S(t%3.14) to bounce and inlining the single Math.abs call
u/danny@hille.dk

What a clever trick, using modulus pi of t, to only get the positive part of the sinus curve
u/danny@hille.dk

3.2 works fine, while 3 and 3.1 looks wrong
u/danny@hille.dk

test code: c.width|=0,x.fillRect(o=860,o-S(t*4%3.2)*o,200,200)

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KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍫󟜶󚬨󨼮󭽩󩍴󪌽󜼰󜌩󛍦󟝟󟜾󫍩󫭥󥍯󚌹󞜫󚌴󜌭󪼯󜬲󚜪󠼨󨜽󜜮󝬭󪬪󛬴󚜬󞌰󚼳󜌪󠼨󭌩󚼴󜌪󤼨󨜩󚜻󪼭󛜻󬽴󬭯󪽥󚌩󚝦󪝬󫍒󩝣󭌨󜜷󞜹󛝫󛌰󛌮󝌬󪼩󛍪󟝫󙜹󛍦󚍢󩝧󪝮󤍡󭍨󚍳󭍲󫽫󩝓󭍹󫍥󟝒󚍶󟜵󜌫󪼯󝌬󭬪󟜨󭌫󪬫󪼯󜼵󜌩󙬱󛍶󚜩󚜬󩬨󛜭󪬩`.replace(/u../g,'')))

Aug 11 2021 12:00 AM UTC

}// 140/140

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Amiga Ball

u/KilledByAPixel

#amiga
u/aleamb

wow!!
u/KilledByAPixel

improved... with(x)for(c.width=300,i=2e3,f=_=>lineTo(99+(40-i/22)*S(a=j*.4),80+30*C(t)+40*C(a));i--;i<1800?stroke():fillRect(0,i-1800,i,.4))j=i%9,f(beginPath(strokeStyle=R(v=i/4,v*=(t+j+i/350)&1,v))),f(--j)
u/KilledByAPixel

smaller... with(x)for(c.width=300,i=2e3,f=_=>lineTo(149+(40-i/22)*S(a=j*.4),80+30*C(t)+40*C(a));i--;i<1800?stroke():fillRect(0,i-1800,i,.4))j=i%9,f(beginPath(strokeStyle=R(v=i,v*=(t+j+i/350)&1,v))),f(--j)
u/vain

AMIGA !!!

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cantelope

function u(t) {

eval(unescape(escape`𤐽𫐽🡸𛡬𪑮𩑔𫰨𞐶𜀫𤰨𬀽𪐯𞐮𝐵𚱴𚐪𤰨𫠽𬐯𜐲𚐯𚁚👃𚁰𚐪𤰨𫠩𛑓𚁴𚐭𜠩𚡨𛁨𚱃𚁮𚐯𦠪𪀩𞱦𫱲𚁣𛡷𪑤𭁨𯀽𪀽𝐴𜀬𮀮𩡩𫁬𤱴𮑬𩐽𙰣𜀹𨠸𙰬𪐽𪀪𝀻𪐭🐲𞱸𛡢𩑧𪑮𤁡𭁨𚁸𛡦𪑬𫀨𚐩𚑩𩠨𚁩𚰨𬐽𪐯𝠰𯀰𚐩𙐲𚑑𚁑𚁑𚁑𚀩𛀫𚱩𚐬𚰫𬐩𛀭𛑩𚐻`.replace(/u../g,'')))

Aug 10 2021 6:09 PM UTC

}// 140/140

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u/aleamb

#sphere #p3d

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danny@hille.dk

remix of d/23514 by u/danny@hille.dk

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪌽󭼽󞜹󞽦󫽲󚍭󟝷󚭷󞽭󛜭󞽸󛭦󪝬󫍓󭍹󫍥󟝒󚍲󟝭󛼸󚽓󚍡󛼹󚜪󤼨󨬯󝬫󭌪󞜫󤼨󨜯󞌭󭌪󜼩󚜪󭼬󬬪󛬶󚜩󩜽󚍘󟜱󛜴󚭭󛽷󛽷󚜪󦌫󚍙󟜭󜬫󝌪󚍭󙝷󚜯󭼩󚭙󛍸󛭦󪝬󫍒󩝣󭌨󨜽󫜥󭼬󨬽󫜯󭼬󜜬󜜭󚍙󚬨󫼽󚌳󛜨󝌭󝜪󩜩󚬪󛬵󚜯󚼫󩜩󚭷󚽴󚭷󙭷󧭘󚭯󚭷󙭷󚜯󭼩`.replace(/u../g,'')))

Aug 9 2021 9:05 PM UTC

}// 140/140

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disco inferno remix - #disco #ball #spere #fire

Show more comments…
u/danny@hille.dk

uncompressed: c.width=w=99;for(m=w*w;m--;x.fillStyle=R(r=m/8+S(a/9)*S(b/6+t*9+S(a/8-t*3))*w,r*.6))e=(X=1-4*m/w/w)*X+(Y=-2+4*(m%w)/w)*Y,x.fillRect(a=m%w,b=m/w,1,1-(Y*(o=(3-(4-5*e)**.5)/++e)*w+t*w&w^X*o*w&w)/w)
u/danny@hille.dk

2 more variants:
u/danny@hille.dk

c.width=w=99;for(m=w*w;m--;x.fillStyle=R(r=m/8+S(a/9)*S(b/6+t*9+S(a/8-t*3))*w,r*.6))e=(X=1-4*m/w/w)*X+(Y=-2+4*(m%w)/w)*Y,x.fillRect(a=m%w,b=m/w,1,1+(Y*(o=(3-(4-5*e)**.5)/++e)*w+t*w&w^X*o*w&w)/w)
u/danny@hille.dk

and
u/danny@hille.dk

c.width=w=99;for(m=w*w;m--;x.fillStyle=R(r=m/8+S(a/9)*S(b/6+t*9+S(a/8-t*3))*w,r*.6))e=(X=1-4*m/w/w)*X+(Y=-2+4*(m%w)/w)*Y,x.fillRect(a=m%w,b=m/w,1,(Y*(o=(3-(4-5*e)**.5)/++e)*w+t*w&w^X*o*w&w)/w)
u/danny@hille.dk

I think this is my favorite:
u/danny@hille.dk

c.width=w=127;for(m=w*w;m--;x.fillStyle=R(r=m/8+S(a/9)*S(b/6+t*9+S(a/8-t*3))*w,r*.6))e=(X=1-4*m/w/w)*X+(Y=-2+4*(m%w)/w)*Y,x.fillRect(a=m%w,b=m/w,1,(Y*(o=(3-(4-5*e)**.5)/++e)*w+t*w&w^X*o*w&w)/w*2)
u/neimad

wtffffffff
u/magna

constraints stoke fire
u/ullo

good

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