Dweets awesomed by u/lerc

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: #ScaryMovies

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lerc

function u(t) {

t||(c.width=192),x.fillStyle=C(t)>0?"#000":"#fff"
for(i=8;i--;x.fillRect(40+i*10+S(t)*30,40,5,20))
x.filter="blur(0.5px)"
x.drawImage(c,0,0)

Apr 11 2022 6:29 AM UTC

}// 140/140

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Wipe-on Wipe-off

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lerc

function u(t) {

c.width=1920 
a=[8,9,6,3,5,8,7,9]
x.lineWidth=14;
b=a.map((q,i)=>S((q-i*2)*t)*q*2e2/(i+10)); 
x.stroke(new Path2D('M1e3 500 s'+b+b+b));

Dec 22 2021 12:53 AM UTC

}// 138/140

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Just mucking around with an idea

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taupelink

remix of d/24399 by u/taupelink

function u(t) {

for(m=t?0:1e4;X=S(2*m),Y=S(m*m--);x.strokeRect(960*++X,540*Y,i/m*99,1e3))x.strokeStyle=R(i=m%256,i*.95,i*.9,a=2*i/m*++Y),x.lineWidth=Y*Y*m/i

Dec 11 2021 8:23 PM UTC

}// 140/140

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d/24482

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lerc

remix of d/23842 by u/sandromiccoli

function u(t) {

r=Math.random
for(i=899;i--;)R=r()*300,A=r()-t*3+R/94,x.fillRect(960+R*S(A),540+R*C(A),3,3),x.clearRect(960+R*S(A-=3),540+R*C(A),4,4)

Nov 4 2021 8:31 AM UTC

}// 133/140

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u/magna

Very cool!
u/Xen

nice!

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lerc

remix of d/23608 by u/tactical_retard

function u(t) {

A="╱╲"
eval(unescape(escape`𭱩𭁨𚁸𚑻𡠽𩠽🡦𪑬𫁓𭁹𫁥👦𒡳👦𫱮𭀽𘠳𩑭𘁡𘠊𩡯𬠨𪐽𡐽𝐷𞱩𛐭𞱳𚰽𠑛𚰨𤰨𪐪𪐪𭀩🀰𚑝𚑆𨀣𜀸𩡠𒡑👟🐾𮰊𩡩𫁬𤡥𨱴𚀰𛁹🐰𛁷🐳𩐳𛁷𚐊𡡠𘰰𜁁𨀊𩡩𫁬𤡥𨱴𚀲𝠰𛀱𜠶𛀱𝀱𜀬𞀰𜀩𯐊𭀦𙡹🁷🱦𪑬𫁔𩑸𭀨𬰬𡐬𮐫👅𚐺𤐨𚑽`.replace(/u../g,'')))

Aug 22 2021 6:01 AM UTC

}// 140/140

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Took a bit of squeezing but it needed that classic look

u/lerc

Apect ratio is a bit weird since the c64 wan't 16:9. Didn't want to have massive borders tough.
u/tactical_retard

replace the 👅 with the 🐳 for a cool effect

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lerc

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑻𬱥𭁔𬡡𫡳𩡯𬡭𚁮🐱𛠰𜰬𜀬𜀬𫠬𦀽𞐶𜀫𤰨𭀪𚡴𚐪𜠰𛁙🐵𝀰𚱃𚁴𚠸𜀩𚠲𜀩𒡤𬡡𭱉𫑡𩱥𚁣𛀭𦀬𛑙𚐊𩡯𬠨𪐽𜰹𞱩𛐭𞱦𪑬𫁓𭁹𫁥👒𚀰𛁍🐨𥀨𭀪𚡩𚐩𚡙𛁎🐨𠰨𞀪𭀪𪐩𚰮𝐩𚡙𚐩𒡦𪑬𫁒𩑣𭀨𤰨𪐩𚠷𛁃𚁩𚐪𝰬𜐬𜐩𯐻`.replace(/u../g,'')))

Aug 18 2021 11:58 AM UTC

}// 132/140

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Nebula (Mosty just playing around trying to make some nice cloud structure)

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lerc

function u(t) {

Q="🤡";eval(unescape(escape`𡀽𚁘𛁙𛁗🐱𞐲𜀬𢀽𜐰𞀰𚐽🡸𛡤𬡡𭱉𫑡𩱥𚁣𛀰𛀰𛁗𛁈𛁘𛁙𛁁🐹𝠰𛁂🐵𝀰𚐊𡀨𜀬𜀩𒡆🐨𦀬𦐩🐾𡀨𦀬𦐬𠐬𠠩𒡆𚀰𛀰𚐊𡠨𠐬𠠩𒡆𚁁𛀰𚐊𡠨𜀬𠠩𒡸𛡦𫱮𭀽𘠶𜀰𬁸𘁡𘠊𮀮𩡩𫁬𥁥𮁴𚁑𛀷𜀰𛑓𚁴𚠸𚐪𠠬𞀰𜀫𠰨𭀪𞐩𚠱𜀰𚐻`.replace(/u../g,'')))

Aug 16 2021 9:48 PM UTC

}// 137/140

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AAAAAAAH!

u/magna

Fun!

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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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lerc

remix of d/20936 by u/lerc

function u(t) {

eval(unescape(escape`𭁼𯀨𫀽𦱝𚐊𮀮𩡩𫁬𤡥𨱴𚁮🐰𛀰𛁱🐲𩐳𛁱𛁸𛡦𪑬𫁓𭁹𫁥🐢𘰰𜀰𜐢𚐊𩡯𬠨𦱛𫑝𛁛𬁝𧑯𩠊𫀽𦰮𛠮𫀮𬱬𪑣𩐨𛐹𞐩𛁛𦱑🐹𝠰𛀰𧐬𦱑𛀭𜐲𧑝𧐮𫑡𬀨𬀽🡰𛡭𨑰𚀨𦱰𛁭𧐩🐾𦱰𚱭𛀨𫐫𠰨𬐫👰𚐩𚠮𞐷𧐩𚐩𮀮𨱬𩑡𬡒𩑣𭀨𫐬𬀬𫠬𫠫🐰𛠱𚐊`.replace(/u../g,'')))

Aug 16 2021 11:57 AM UTC

}// 135/140

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Firework

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lerc

remix of d/22653 by u/Xor

function u(t) {

for(c.width=i=h=960;i-->0;){
n=C(i+t);q=S(i/152)
n>0?0:x.fillRect((i*h/2-i*i)**.5*S(i+t)+h/2,i,n*n*9*q,9*(q**.3))
}

Apr 30 2021 7:02 AM UTC

}// 115/140

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Did some tweaks for changing size of rects for maybe some 3d effect

dwitter.net | lerc (171)