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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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KilledByAPixel

remix of d/17184 by u/KilledByAPixel

function u(t) {

with(x)for(c.width|=j=2e3,scale(9,4);j--;arc(99,99+j/29,79,a=t+(j>>3)/.955,a))j%8?setLineDash(j>1e3?[9,9,j]:[j>300?0:5]):beginPath(stroke())

Jan 12 2020 8:30 PM UTC

}// 140/140

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Tiny #Castle Fort 🏰

u/sigveseb

#d3

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KilledByAPixel

remix of d/17180 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁣𛡷𪑤𭁨𯀽𪠽𜡥𜰬𬱣𨑬𩐨𞐬𜰩𞱪𛐭𞱡𬡣𚀱𜐱𛀨𮠿𜐷𝀺𜐵𝐩𚱩𛰨𮠿𜠺𝀩𛁺🰹𞐭𪐯𞐺𜰹𛁡👴𚰨𪠯𝱼𜀩𛰮𞐵𝐬𨐩𚐊𪠥𝱼𯁢𩑧𪑮𤁡𭁨𚁳𭁲𫱫𩐨𚐩𛁩🐨𚁺👪🀵𜀵𚐿𪠺𪠭𝐰𝐩𛰷𛁳𩑴𣁩𫡥𡁡𬱨𚁩🠱𝀰🱛𜐵𛀹𛀹𞑝𞡛𪐾𜰰🰰𞠵𧐩`.replace(/u../g,'')))

Jan 12 2020 6:29 PM UTC

}// 139/140

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Fortified #Castle

u/sigveseb

so good
u/lionleaf

Amazing! Looks weird on iOS tho
u/katkip

wow

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rodrigo.siqueira

remix of d/13119 by u/rodrigo.siqueira

function u(t) {

c.width+=X=Y=Z=d=.04
for(i=6e3;i--;)X+=-d*(Y+Z),
Y+=d*(X+.2*Y),
Z+=d*(.2+Z*(X-5)),
x.lineTo(980+80*(X*C(t)-Y*S(t)),800-Z*48+Y*19)
x.stroke()

Jan 12 2020 12:43 AM UTC

}// 140/140

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Turning Rössler Strange Attractor, a system of three non-linear ordinary differential equations with chaotic dynamics and fractal properties. Some people see this turning clockwise, some see counterclockwise due to the bistable optical illusion (search "Spinning Dancer" for explanation). #attractor #illusion

u/rodrigo.siqueira

The rotation effect trick X*C(t)-Y*S(t) was "borrowed" by Frank Force KilledByAPixel's #Lorenz Attractor: from https://www.dwitter.net/d/14752

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veubeke

function u(t) {

for(Y=19;Y--;)for(X=40;X--;)x.fillRect(48*X,16+56*(Y+(X>7&X<32)*8),!Y&X+1>>1||(Y+3&7)>5&&X>2&X<5|X>34&X<37||Y>5&X>16&X<23?0:40+(X+Y&1)*8,48)

Jan 11 2020 7:39 PM UTC

}// 140/140

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#castle

u/iverjo

Amazing!
u/katkip

Awesome!

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hotdogninja76

function u(t) {

c.width+=0
r=Math.random
X=t?X+(d=r()<.05)*200*(r()-.5):(v=0,500)
d?v=5:v--
x.font="9em a"
x.fillText("😠"+["🗡🗡","  ⚔  "][+(v>0)]+"😠",X,500)

Jan 11 2020 12:19 PM UTC

}// 140/140

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Worlds Worst Fencing Simulator

u/DataMeta

Neat idea!
u/katkip

Indeed

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New_Core

function u(t) {

for(i=99;i--;)d=~~(t/1.53)%2*199,x.fillStyle=R(a=Math.random()*25+99-d/3+49*S(d?3:t*4),a,a),x.fillRect(t*60*7,400+i*7+d+~~(t*9)%2*50,7,7)

Jan 11 2020 11:15 AM UTC

}// 137/140

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#castle

u/Xen

nice
u/13thptr

amazing
u/katkip

nice!

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katkip

function u(t) {

for(i=2e3;z=99-(i+(2*t|0)*25)%50+C(q=i*6e-3)*59,i--;x.fillStyle=R(z,z,z))if(t<4||i%40<20&&t<5)x.fillRect(960+S(q)*600,740+C(q)*200-t*69,4,4)

Jan 11 2020 10:04 AM UTC

}// 140/140

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#castle

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pavel

remix of d/17068 by u/pavel

function u(t) {

for(i=c.width|=0;i--;x.fillRect(960-p/h,540+q/h,5,5))j=i>>8,f=g=>2%~j*g(9696*j-t)+3**!j*g(578*i),p=f(C)-3**.5*S(t/16),q=f(S),h=(p*p+q*q)/420

Jan 11 2020 9:02 AM UTC

}// 140/140

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Eight kissing circles 2

u/pavel

Using map-the-dots method. As you can see circles stay circles but they scrunch and stretch along their path.
u/yukulele

https://en.wikipedia.org/wiki/Steiner_chain
u/katkip

WOW

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KilledByAPixel

function u(t) {

with(x)t?beginPath(setLineDash([99])):fillRect(0,0,2e3,2e3),arc(960,540,t*49,S(t),9),strokeStyle=`hsl(${t*29} 99%50%`,stroke()

Jan 11 2020 5:15 AM UTC

}// 126/140

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Spiral Dash 2

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lionleaf

function u(t) {

c.width|=0
for(i=37;i--;x.fillRect(i*50,(a?500:660)+(i%2?50:S(t*9+i)*9),50,900))a=i<9|i>27

Jan 11 2020 2:14 AM UTC

}// 90/140

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Announcing monthly theme challenges! Simply make a dweet following the dweet and tag it with the right hashtag. The first one is #castle . Have fun! Feedback welcome on discord

u/katkip

Fun!

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