Dweets awesomed by u/MrHaila

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: #Opposites

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384.cz

remix of d/29375 by u/384.cz

function u(t) {

I=new ImageData(f=c.width=256,f)
for(j=i=2e5;i--;)I.data[i]=i%4==3?f:j=S(f*(i|t*9)|i/f|j/t)*f;
x.putImageData(I,0,0)

Feb 25 2024 8:33 AM UTC

}// 116/140

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u/Xen

nice!

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geb

remix of d/20948 by u/rodrigo.siqueira

function u(t) {

for(i=2e4;i--;f(t,c=3,390,i))
f=(w,h,q,d)=>q>99?f(h+q*C(C(d)+d),w+q*S(d),q/c,T(d+t)/c):
x.fillRect(w+1e3+1e4*(i%c),h+550,.9,t<c)

Dec 10 2020 12:04 PM UTC

}// 128/140

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TGY

function u(t) {

x.fillStyle=R(99*C(t*=4)*3,0,99,.6+C(t)/2)
x.fillRect(500-(b=S(t)*150+99*S(1.5+t%3)),500-(a=C(t)*250),9,9)
x.fillRect(600+a,600+b,9,9)

Dec 10 2020 8:40 AM UTC

}// 134/140

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Some dirty trigonometry again. 3d rings are great 👍🏻

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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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MrHaila

function u(t) {

w=c.width
x.globalAlpha=.02*(S(t*5)/2+1.2)
x.font='100px s'
for(i=0;i<400;i++){
x.translate(960, t*40)
x.rotate(i%3)
x.fillText('--',0,0)}

Dec 6 2020 11:02 PM UTC

}// 138/140

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Me? Just drawing dashes, honey...

u/Xen

nice style!

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MrHaila

function u(t) {

c.width^=0
x.translate(960,540)
for(i=0;i<50;i++){
x.lineWidth=(S(t*i/9)+2)*4+i*2
b=(i*1+S(S(t))/(9-i)*20)*100
x.strokeRect(-b/2,-b/2,b,b)
}

Dec 6 2020 8:54 PM UTC

}// 140/140

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Critical framing

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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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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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