Dweets awesomed by u/rodrigo.siqueira

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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rodrigo.siqueira

remix of d/21669 by u/Pascal

function u(t) {

c.style.filter=`blur(2vw)contrast(99`
for(c.width|=i=244;i--;x.fill(x.arc((X=i%18)*120,T(t-X)*i,z=99+99*C(t/6+i/2),4+z/9,z/9)))x.beginPath()

Feb 16 2021 1:39 AM UTC

}// 140/140

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Liquid dripping

u/tomxor

looks like #mud
u/joeytwiddle

#metaballs

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cantelope

function u(t) {

eval(unescape(escape`𤠽𬐽🠨𫐫𬐩𚠪𜰻𩡯𬠨𨰮𭱩𩁴𪁼🐰𛁭🐲𩐳𛁨🐱𩐳𛁸𛡲𫱴𨑴𩐨𛠵𚐻𫐭𛐻𮀮𩡩𫁬𤡥𨱴𚁨𚱘𛱚𛁙𛱚𛀹𛀹𚐩𩀽𦀽𜠫𤰨𬀽𤠨𜐩𚐬𦐽𠰨𬀩𛁘𚠽𤰨𬀽𤠨𜠩𚐬𦠽𠰨𬀩𚡤𛁙👓𚁰👍𨑴𪀮𨑴𨑮𜠨𦐬𦠩𛑓𚁴𚐪𝀩𚠨𩀽𣑡𭁨𛡨𮑰𫱴𚁙𛁚𚐩𛁚👃𚁰𚐪𩀯𪀫𛠰𜀸`.replace(/u../g,'')))

Feb 16 2021 12:43 AM UTC

}// 140/140

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u/384.cz

#donut

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rodrigo.siqueira

remix of d/21670 by u/rodrigo.siqueira

function u(t) {

for(i=3e3;i--;x.fillStyle=`hsl(${99*t+i/99},99%,${30+S(i+t)*99}%,35%)`)x.fillRect(145*(t+5*C(i/2)*C(K=i/4+t)),90*(5*C(i+t)*T(K)*C(K)+6),2,2)

Feb 15 2021 5:17 PM UTC

}// 140/140

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Soft colors overlap

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Odog8

remix of d/21661 by u/Odog8

function u(t) {

t?x.fillRect(y%16+1,~~(y/16)+1,1,'ﰀꯀúʰΠ,฀೬㠀ೋೋ㌀ᄛᕛᕛ啬䑬㠀ʰຠꯀϪﰀ?'.charCodeAt(y/8).toString(4).split``.reverse()[y++%8]/3):(c.width=40,y=0)

Feb 15 2021 12:33 AM UTC

}// 140/140

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Boo Ghost! 4 colors!

u/tomxor

#pixelart #sprite
u/rodrigo.siqueira

~~(y/16)+1 can be changed to y/16 with almost no difference
u/Xen

slight golf t?x.fillRect(y%16,y/16,1,'ﰀꯀúʰΠ,฀೬㠀ೋೋ㌀ᄛᕛᕛ啬䑬㠀ʰຠꯀϪﰀ?'.charCodeAt(y/8).toString(4).split.reverse()[y++%8]/3):y=c.width=28

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DaSpider

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𞐹𒡰🐱𝠊𪠽𜐊𨰮𬱴𮑬𩐮𩡩𫁴𩑲🐧𨡬𭑲𚀱𝑰𮀩𨱯𫡴𬡡𬱴𚀳𚑩𫡶𩑲𭀨𙰊𮀮𩡩𫁬𤱴𮑬𩐽𤠨𜀬𜐳𜀬𜠵𝐩𒡦𫱲𚁩🐲𞱩🠰𞱩𛐽𛠳𛰨𬀫𭀩𚑸𛡦𪑬𫁒𩑣𭀨𬀪𚀳𚰨𪠽𛑪𚐪𪐩𛁰𚠨𜠫𚁩𚠪𛠰𜐪𚁃𚁩𚐪𚠮𝐪𠰨𜠰𜀪𪐫𭀩𛑩𚠪𛠳𚐩𚐬𝀬𝀩`.replace(/u../g,'')))

Feb 14 2021 8:51 PM UTC

}// 137/140

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#Valentines #Heart

u/neimad

So cool in so many ways.
u/ciaccodavide

Clever!
u/magna

Lovely!
u/sigveseb

very nice!
u/aleamb

amazing!

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rodrigo.siqueira

remix of d/21666 by u/katkip

function u(t) {

c.style.filter=`invert(`
for(c.width|=0,i=244;i--;x.fill(x.arc((X=i%48)*99,T(t/2)*i*9-X*i,z=80+S(t+S(i)*i)*52,5+z/7,7+z/7)))x.beginPath()

Feb 14 2021 1:18 AM UTC

}// 137/140

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Falling moons

u/erin

Bad Apple vibes
u/joeytwiddle

Could be leaves or petals

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Pascal

remix of d/21645 by u/Pascal

function u(t) {

c.width|=0,w=960
for(i=700;i--;x.fillRect(w+w*X/Z,w-Y/Z*w,s=(8/Z)**5,s))
X=3*C(U=i+t)+C(V=t+i/(1+t/w*.7)),Y=S(i)+C(V)*T(V)-2,Z=S(U)-5

Feb 13 2021 4:57 PM UTC

}// 133/140

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become donut

u/erin

become donut reject society
u/joeytwiddle

don't live your life in sphere, become #donut

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rodrigo.siqueira

remix of d/21665 by u/rodrigo.siqueira

function u(t) {

for(i=3e3;i--;x.fillStyle=`hsl(${99*t+i/99},99%,${30+S(i+t)*99}%,25%)`)x.fillRect(138*(7+5*S(i/2)*C(K=i*i+t/2)),99*(3*S(i)+S(K)*C(K)+5),2,2)

Feb 13 2021 4:39 PM UTC

}// 140/140

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Iridiscent colors on a parametric surface

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Pascal

remix of d/21666 by u/katkip

function u(t) {

c.style.filter=`blur(2vw)contrast(99`
for(c.width|=i=244;i--;x.fill(x.arc((X=i%18)*120,(i-X)*8,z=99+99*S(t/6+i/2),4+z/9,z/9)))x.beginPath()

Feb 13 2021 4:30 PM UTC

}// 139/140

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ferrofluid

u/DaSpider

Psychedelic cows!

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tomxor

function u(t) {

// Xorshift 32
R ^= R << 13
R ^= R >>> 17
R ^= R << 5

// U(0,1)
f = (R>>>0)*2**-32
// Plot
x.fillRect(f*2e6%2e3,f*1e3,9,9)
// Seed
R = R||1

Feb 13 2021 12:31 PM UTC

}// 140/140

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#Xorshift 32 #PRNG

u/tomxor

I felt that there are too many extremely unecessarily long examples of xorshift32 implementations out there, with lots of fluff around the outside. It's a very nice and simple little PRNG and this is all the code you need to turn it into a unit interval (i.e the type and range you get from Math.random()): (x>>>0) * 2**-32. This conversion method is far from perfect and results in some bias, but so does the PRNG itself...

dwitter.net | rodrigo.siqueira (79392)