Dweets awesomed by u/BriSeven

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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BrutPitt

function u(t) {

c.width+=X=Y=Z=d=.19
for(i=9e3;i--;)X+=d*(-d*X+S(Y)),Y+=d*(-d*Y+S(Z)),Z+=d*(-d*Z+S(X)),
x.lineTo(960+99*(X*C(t)-Y*S(t)),560-99*Z)
x.stroke()

Apr 22 2020 10:50 PM UTC

}// 140/140

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3D Thomas #Attractor

u/BrutPitt

Very shrinked code from glChAoS.P #Tomas formula: https://www.michelemorrone.eu/glchaosp/dtAtt…
u/tomxor

woah
u/BrutPitt

Thanks to KilledByAPixel's rotation technique in his Lorenz dweet
u/KilledByAPixel

👍

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veubeke

remix of d/18403 by u/BriSeven

function u(t) {

t?(A=X+C(R=Math.random()*99)*10)*A+(B=Y+S(R)*10)*B<9e4&&(X=A,Y=B):X=Y=0
x.fillStyle=`hsl(${t*6},50%,50%)`
x.fillRect(X+960,Y+540,10,10)

Apr 22 2020 10:12 AM UTC

}// 135/140

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Random Walk #circlechallenge

u/donbright

absolutely fascinating...
u/donbright

i let it run for an hour or two and it filled up almost the whole circle, its very interesting

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iznax

function u(t) {

for(i=400;i--;)with(c[i]=t?c[i]:{X:i/7,Y:i,h:5,y:7}){X+=h,Y+=y
M=X*X+Y*Y
D=M>16e4?(X*h+Y*y)*2/M:0
h-=X*D
y-=Y*D
x.fillRect(960+X,540+Y,9,9)}

Apr 22 2020 4:00 AM UTC

}// 140/140

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Do Light Rays Bouncing In A Circle Qualify? #circlechallenge

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BriSeven

function u(t) {

X=(t%1)*600-300,Y=t*10-300
if(Math.sqrt(X*X+Y*Y)<300)x.fillRect(X+950,Y+540,10,10)

Apr 22 2020 2:49 AM UTC

}// 82/140

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#circlechallenge

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BriSeven

remix of d/11545 by u/ersagun

function u(t) {

d=C(t)*3.14;r=300*S(t*301);x.fillRect(r*C(d)+960,r*S(d)+540,8,8)

Apr 22 2020 1:12 AM UTC

}// 64/140

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this will probably be a circle eventually

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DaSpider

function u(t) {

A=Array(s=2e3).fill().map(Math.random)
for(i=s;i--;(a-.5)**2+(b-.27)**2>.05?0:x.fillRect(a*s,b*s,5,5))a=A[i],b=A[s-i]

Apr 21 2020 11:42 PM UTC

}// 117/140

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#circlechallenge Monte Carlo Method

u/DaSpider

Using only good old Pythagoras. This method can be used to estimate π ≈ 4*(number of points in the circle / total number of points) // t?1:d=g=0;A=Array(s=6e3).fill().map(Math.random);for(i=s;i--;(a**2+b**2)**.5<=1?d++:1)a=A[i],b=A[s-i];g+=s;throw(4*d/g)

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lionleaf

remix of d/18375 by u/sigveseb

function u(t) {

r=Math.random
for(i=899;i--;)R=r()*300,A=r()*6.28,x.fillRect(960+R*S(A),540+R*C(A),3,3)

Apr 21 2020 8:56 PM UTC

}// 87/140

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#circlechallenge - try changing the 6.28 to 6, 7 or 8 :)

u/donbright

i change it to t ;)

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ersagun

remix of d/18372 by u/KilledByAPixel

function u(t) {

x.fillRect(960-t*200,540-(w=(t*(2-t))**.5*200),4,w*2)

Apr 21 2020 6:59 PM UTC

}// 53/140

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Is this ok?

u/BriSeven

#circlechallenge

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katkip

function u(t) {

eval(unescape(escape`𪑦𚀡𭀩𮱱👛𧐻𩡯𬠨𪐽𜰱𝀱𞱩𛐭𞰩𬐮𬁵𬱨𚁻𮀺𤰨𪐪𜡥𛐳𚐬𪐺𪐪𜡥𛐳𛁹𞡃𚁩𚠲𩐭𜰩𛁡𞠰𯐩𯐊𩡯𬠨𫰠𫱦𘁱𚑸𛡦𪑬𫁒𩑣𭀨𞐶𜀫𫰮𮀪𜠰𜀬𝐴𜀫𫰮𮐪𜠰𜀬𛠵𛀮𝐩𛁯𛡸𚰽𠰨𫰮𨐩𛰵𝐬𫰮𮐫👓𚁯𛡡𚐯𝐵𛁯𛡡𚰽𤰨𫰮𪐪𜰫𫰮𮀪𫰮𮐩`.replace(/uD./g,'')));'test'

Apr 21 2020 11:07 AM UTC

}// 140/140

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u/Xen

sexy

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KilledByAPixel

remix of d/18368 by u/veubeke

function u(t) {

x.strokeRect(960-(W=C(t)*300),540-(H=S(t)*300),2*W,2*H)

Apr 21 2020 7:54 AM UTC

}// 55/140

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u/sigveseb

#circlechallenge

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