Dweets awesomed by u/sigveseb

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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MrHaila

remix of d/20928 by u/MrHaila

function u(t) {

å=40
c='_-'
x.globalAlpha=.3*(S(t*5)/2+1)
x.font='90px s'
for(i=0;i<å+t;i++){
x.translate(960, t*40)
x.rotate(i%3)
x.fillText(c,0,0)}

Dec 6 2020 11:27 PM UTC

}// 133/140

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Chaos theory. Experiment with å (20-50 is great) and c for epic variations!

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pavel

function u(t) {

for(w=i=c.width|=0,x.globalAlpha=.15;i--;x.fillText('❄',-4,-4))x.setTransform(s=i*i%63/7,0,0,s,(i+s*w/(1+9**C(t/3)))%w,(s/5*t+T(i*i))%2*600)

Dec 6 2020 4:36 AM UTC

}// 140/140

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Snowstorm

u/donbright

lovely
u/KilledByAPixel

#snowflake

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KilledByAPixel

remix of d/16862 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𪐽𞐹𝠻𭱩𭁨𚁸𚑦𫱲𚁳𩑴𥁲𨑮𬱦𫱲𫐨𜐬𜀬𜀬𜐬𚁴𚠽𝰲𝰰𚐥𜡥𜰬𭀯𜐶𚐻𪐭𛐻𬡥𬱴𫱲𩐨𩡩𫁬𤡥𨱴𚀰𛁓𚁪𚡪𚱴𚐪𜰹𛁪𛁪𛰲𞐩𚐩𬱡𭡥𚀩𛁳𨱡𫁥𚀡𬡯𭁡𭁥𚀨𜐫𪐫𪐥𜠩𚠮𝐲𜰶𚐬𪐥𜠪𜠭𜐩𛁲𫱴𨑴𩐨𪠽𪐯𜐲𯁣𫁩𬀨𫡥𭰠𤁡𭁨𜡄𚀧𫐰𘀰𭠵𜁨𜠹𙰩𚐩`.replace(/u../g,'')))

Dec 6 2020 4:02 AM UTC

}// 140/140

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#snowflake designs

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rodrigo.siqueira

remix of d/20922 by u/rodrigo.siqueira

function u(t) {

for(i=1080;i--;x.fillRect(0,i,1+i/t,1))Y=i/230,
h=300*S(Y%S(m=t/9%S(p=C(q=Y*S(Y/3-S(t)/3))))),
x.fillStyle=R(h*q,h*m,h*p)
x.drawImage(c,1,0)

Dec 5 2020 7:13 PM UTC

}// 140/140

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Variation of the scrolling version by u/danny@hille.dk

u/danny@hille.dk

Freaking Awesome
u/danny@hille.dk

I love the way it starts

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danny@hille.dk

remix of d/20922 by u/rodrigo.siqueira

function u(t) {

for(z=i=1080;i--;x.fillRect(1918,i,2,1))Y=i/199,h=355*S(Y%S(m=t/4%S(p=C(q=Y*S(Y/9-S(t)/6))))),x.fillStyle=R(m*h,h**m,h)
x.drawImage(c,-2,0)

Dec 5 2020 5:17 PM UTC

}// 139/140

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Wrath of poseidon remix

u/Xen

nice style!!!!!

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rodrigo.siqueira

remix of d/20918 by u/rodrigo.siqueira

function u(t) {

for(i=1080;i--;x.fillRect(120*t,i,2,1))
Y=i/230,
h=300*S(Y%S(m=(t+5)/4%S(p=C(q=Y*S(Y/3-S(t)/3))*2))),
x.fillStyle=R(h*q,h*m,h*p)

Dec 5 2020 2:46 PM UTC

}// 128/140

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Waves of metallic fire and water colors

u/danny@hille.dk

Beautiful
u/danny@hille.dk

Scrolling version for(i=1080;i--;x.fillRect(0,i,2,1)) Y=i/230, h=300*S(Y%S(m=t*2/4%S(p=C(q=Y*S(Y/3-S(t)/3))))), x.fillStyle=R(h*q,h*m,h*p) x.drawImage(c,2,0)
u/Xen

love it
u/donbright

awesome, really new direction

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danny@hille.dk

remix of d/20901 by u/pavel

function u(t) {

x.fillRect(0,0,i=c.width|=0,i)
for(m=120;i--;x.clearRect(666+(p>>2)*200+m*C(a=(p&1|-1)*28.4*d-4*t),240+p%4*200+m*S(a),d,d))d=i%m/18,p=i/m|0

Dec 5 2020 1:14 PM UTC

}// 139/140

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broken remix

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pavel

remix of d/20901 by u/pavel

function u(t) {

for(i=c.width|=p=g=>(g(0)?k&3:k/4)*200+130*g(.8+(~~k+k/4&1||-1)*(i%120*41/13+5*t));k=--i/120;)x.fillRect(560+p(S),240+p(C),9,9)

Dec 4 2020 9:12 PM UTC

}// 127/140

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Moving #illusion

u/pavel

Discovered this randomly when golfing the original. Not sure why it happens.
u/danny@hille.dk

cool effect: the "feature" is caused by not truncating k=--i/120 -> k=--i/120|0 disables this feature :-)
u/KilledByAPixel

👍
u/danny@hille.dk

better solution: for(i=c.width|=p=g=>(g(0)?k&3:~~k/4)*200+150*g((k&1||-1)*(i%120*41/13+5*t));k=--i/120;)x.fillRect(560+p(S),240+p(C),9,9)

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pavel

function u(t) {

for(i=c.width|=0;i--;x.fillRect(X,540+200*C(a),-150,7))X=i%960*2,x.fillStyle=`hsl(${q=X/8+60*t},69%,${42+32*S(a=(q/32%1+(i>960))/.32)}%`

Dec 4 2020 8:45 PM UTC

}// 136/140

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Ribbons

u/pavel

Dynamically swapping the draw order to get proper overlapping. Change i>960 to 1 or 0 to see how this works.
u/Qwitter

cool, and thanks!

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Lynx

function u(t) {

for(i=0;i<100;x.fillStyle=R(127,++i*2,i)){y=540+0.5*7.5*t*t*(i%2?-1:1);x.fillRect(i*7.5*t,y,20,20)
x.fillRect(1920-i*7.5*t,y,20,20)}

Dec 4 2020 2:38 PM UTC

}// 132/140

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fun with physics formulas (newbie to dwitter)

u/joeytwiddle

When you pop into the supermarket because you need two eggs

dwitter.net | sigveseb (68837)