Dweets awesomed by u/Piggo

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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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

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lerc

remix of d/20889 by u/lerc

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑻𥠽𨐽🡓𚁴𚡡𚐊𫀽𨐽🠨𩁲𨑷𢑭𨑧𩐨𨰬𛑷𛀭𪀩𛁖𚁡𚐫𜐩𒡳𩑴𥁲𨑮𬱦𫱲𫐨𜐬𛠱𞀬𛐮𜐸𛀱𛁷🐹𝠰𛁨🐵𜠰𚐊𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮱬𚀮𞀩𚡷𯐠𞐹𙐵𜀥𨀊𩡩𫁬𤡥𨱴𚁵🐨𫀨𜠮𜐩𛑬𚀱𚐩𚠱𞀰𛀰𛀹𛀹𚐊𩡩𫁬𤡥𨱴𚀭𭐭𞐬𜀬𞐬𞐩𯐻`.replace(/u../g,'')))

Dec 2 2020 10:27 AM UTC

}// 135/140

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Another touch of psychedelia. Tweaked for HSL not resizing canvas, nicer effect

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pavel

function u(t) {

for(i=c.width|=0;i--;x.fillRect(660+(p>>2)*200+130*C(a=Math.PI/4+(p+p/4&1||-1)*(369/13*d+3*t)),240+p%4*200+130*S(a),d,d))d=i%120/9,p=i/120|0

Dec 1 2020 8:51 PM UTC

}// 140/140

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#beesandbombs demake https://twitter.com/beesandbombs/status/1327…

u/rep_movsd

If you stare a bit, you see white lines completing the circles - an optical illusion
u/danny@hille.dk

save 9 bytes for(i=c.width|=0;i--;x.fillRect(660+(p>>2)*200+130*C(a=.8+(p+p/4&1||-1)*(28.4*d+3*t)),240+p%4*200+130*S(a),d,d))p=i/120|0,d=i%120/9
u/danny@hille.dk

120/9 = 40/3
u/danny@hille.dk

129 bytes -> for(m=120,i=c.width|=0;i--;x.fillRect(660+(p>>2)*200+m*C(a=.8+(p+p/4&1||-1)*(28.4*d+3*t)),240+p%4*200+m*S(a),d,d))d=i%m/9,p=i/m|0

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𝠰𜀬𠠽𦱝𛁩🐱𞀻𪐭𛐻𮀮𨡥𩱩𫡐𨑴𪀨𮀮𬱴𬡯𪱥𚀩𚐩𮀮𨑲𨰨𦀽𜰰𜀫𤰨𬀽𜐮𜀴𝰪𪐭𭀩𚠨𩀽𝠴𚠨𪐯𝡼𜀩𚐬𦐽𜐶𞐫𠰨𬀩𚡤𛀳𜠬𜀬𝰩𛁂𛡰𭑳𪀨𦱘𛁙𧐩𒡂𛡭𨑰𚁶🐾𠠮𫑡𬀨𬐽🡻𮀮𫁩𫡥𥁯𚀮𛠮𭠩𛁸𛡬𪑮𩑔𫰨𛠮𛡱𚑽𚐩𛁸𛡳𭁲𫱫𩐨𚐻`.replace(/u../g,'')))

Dec 1 2020 5:48 PM UTC

}// 140/140

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u/rodrigo.siqueira

METATRON'S CUBE, an example of sacred geometry. It's used as a mystical object that spins the energy of our thoughts and provides a visual focal point for meditation.
u/cantelope

relevant: https://code.whitehotrobot.com/d/2w6u
u/pavel

-15 chars for(c.width=600,B=[i=18];i--;x.beginPath(x.stroke()))d=i/6<<6,x.arc(...B[i]=[300+S(p=1.047*i-t)*d,169+C(p)*d,32,0,7]);B.map(v=>B.map(q=>x.lineTo(...v)+x.lineTo(...q)));x.stroke()
u/cantelope

nice
u/cantelope

also, https://codegolf.dweet.net/a/491
u/katkip

amazingg

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solendil

function u(t) {

G=(a,b,c)=>{x.fillStyle=`hsl(${a},80%,${b}%,${c}`
x.fill(p=new Path2D,p.arc(1e3,C(t*1.4)*500+500,1e5,t,t+3.14,a))}
G(0,0,.03)
G(t*99,50,.01)

Nov 30 2020 3:58 PM UTC

}// 140/140

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Neon

u/Xen

nice style!
u/MAxSaL

This could have been a Windows XP screen saver.

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ciaccodavide

remix of d/20843 by u/ciaccodavide

function u(t) {

r=270
vx=1
vy=.5
X=960+r*S(vx*t*Math.PI+S(t*Math.PI))
Y=540+r*C(vy*t*Math.PI)
x.moveTo(r+X,Y)
x.arc(X,Y,r,0,9) 
x.stroke()

Nov 29 2020 4:50 PM UTC

}// 122/140

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rodrigo.siqueira

remix of d/20815 by u/rodrigo.siqueira

function u(t) {

for(i=3e3,f=g=>i*C(i*i)*g(i+t*(t>4));i--;x.fillRect(960+f(S)*C(t/3),540+f(C)*C(t/3),1,.5))x.fillStyle=R(i,i/9),c.style='filter:invert('

Nov 28 2020 5:01 PM UTC

}// 135/140

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Starry night swirl #spiral

u/jellyedwards

Wow that's beautiful! #waitforit
u/ElderLord7777

how do I see the code?

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solendil

function u(t) {

eval(unescape(escape`𠐽𭀿𦰮𛠮𠐬𮱘𛁙𛁚𯑝𞡛𪐽𜑝𒡚🐨𜑥𝐯𪐫𚰪𚠱𛠱𚐪𚠮𝐊𭱨𪑬𩐨𦀽𚁍👍𨑴𪀮𬡡𫡤𫱭𚐨𦐽𣐨𚐪𜑥𜰩𚠲𩐳𛁁𛡦𪑮𩀨𨐽🡍𨑴𪀮𪁹𬁯𭀨𦀭𨐮𦀬𦐭𨐮𦐩🁚𚱡𛡚𚐩𞱸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𦁽𘀸𜀥𝀰𙑠𒡸𛡦𪑬𫀨𬀽𫡥𭰠𤁡𭁨𜡄𛁰𛡡𬡣𚁘𛁙𛁚𛀰𛀷𚐩`.replace(/uD./g,'')))

Nov 28 2020 2:26 PM UTC

}// 140/140

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nonoverlapping circle space fill #waitforit #fullscreen

u/katkip

I tried to do that too

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ciaccodavide

remix of d/20832 by u/ciaccodavide

function u(t) {

eval(unescape(escape`𤠽𣑡𭁨𛡲𨑮𩁯𫐊𩡯𬠨𪐽𞐹𞱩𛐭𞰩𮰊𦀽𤠨𚐪𜡥𜰊𦐽𤠨𚐪𜑥𜰊𩀽𣑡𭁨𛡨𮑰𫱴𚁘𛐹𝠰𛁙𛐵𝀰𚐊𬠽𜰰𜀊𣀽𩀭𬠊𠐽𣑡𭁨𛡡𭁡𫠲𚀵𝀰𛑙𛀹𝠰𛑘𚐊𮀮𫑯𭡥𥁯𚁘𛁙𚐊𩀾𬠦𙡸𛡬𪑮𩑔𫰨𦀫𣀪𠰨𠐩𛁙𚱌𚡓𚁁𚐩𯐊𮀮𬱴𬡯𪱥𚀩`.replace(/u../g,'')))

Nov 28 2020 10:20 AM UTC

}// 129/140

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ciaccodavide

remix of d/20830 by u/ciaccodavide

function u(t) {

for(i=99;i--;){R=Math.random
X=R()*2e3
Y=R()*1e3
d=Math.hypot(X-960,Y-540)
r=300
L=d-r
x.moveTo(X+L,Y)
d>r&&x.lineTo(X,Y)}
x.stroke()

Nov 28 2020 10:12 AM UTC

}// 133/140

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Thrown ball

dwitter.net | Piggo (5379)