Top dweets by u/f8f82804

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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f8f82804

remix of d/9561 by u/f8f82804

function u(t) {

p=a=>127-C(a)*127;x.fillStyle=R(p(t),p(t-2),p(t+2));x.setTransform(1,0,0,1,960,540),x.rotate(t),x.fillRect(99,0,(t+1.05)%2.1<.02?500:250,16)

Aug 31 2018 4:35 PM UTC

}// 140/140

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#color wheel

u/katkip

that's actually impressive

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f8f82804

remix of d/9533 by u/f8f82804

function u(t) {

for(i=22.5;i-->11;)for(j=18;f=--j*S(i^j),j;t||x.strokeRect(-29,-29,58,58))x.setTransform(1,0,0,1,i*60-f,j*60),x.rotate(f*j/99),x.lineWidth=3

Aug 29 2018 8:15 PM UTC

}// 140/140

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A final #art #tribute to _Schotter_ -- Georg Nees, 1968; it trades randomness for heavier lines with antialiasing.

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f8f82804

remix of d/9508 by u/f8f82804

function u(t) {

f=Math.random;for(i=22.5;i-->11;)for(j=18;--j;t||x.strokeRect(-29,-29,58,58))x.setTransform(1,0,0,1,i*60,j*f()+j*60),x.rotate(f()*j/12-j/24)

Aug 29 2018 5:16 PM UTC

}// 140/140

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A #tribute to _Schotter_ -- Georg Nees, 1968; now with randomness! #art

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f8f82804

remix of d/9415 by u/f8f82804

function u(t) {

x.drawImage(c,-15,-10.2,1950,1100);x.font='218px a';m=x.measureText(s='🛤');t%1.1>.01||x.fillText(s,960-m.width/2,638)

Aug 27 2018 7:53 PM UTC

}// 117/140

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f8f82804

remix of d/9456 by u/f8f82804

function u(t) {

τ=4.7124;for(a=i=200;i--;x.fillRect(960+500*S(τ*t-i/a),520+500*C(t+i/a),39,39))x.fillStyle=R(99+a*S(b=(t+i)**(S(t)/3)),a*S(b+τ),a+a*S(b-τ))

Aug 27 2018 1:44 AM UTC

}// 139/140

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f8f82804

function u(t) {

eval(unescape(escape`䜽⡡Ɫ⤽㹢㽇⡢ⱡ╢⤺愻䰽⡡Ɫ⤽㹡⩢⽇⡡Ɫ⤻瀽⡩㴳㤪䵡瑨⹲慮摯洨⥼〩⩩⭩⬴ㄻ焽⬫椪椫椫㐱㭮㵰⩱㭥㴶㔵㌷㭦潲⡤㴱㭤⩥╌⡰ⴱⱱⴱ⤭ㄻ搫⬩㭣㴷㭦潲⠻ⴭ攻挽挪㜥温㭃㵣㭦潲⠻ⴭ搻䌽䌪挥温㭴桲潷⁃`.replace(/u(..)/g,"$1%")))

Aug 24 2018 7:30 PM UTC

}// 139/140

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RSA #crypto #compressed

u/f8f82804

G=(a,b)=>b?G(b,a%b):a;L=(a,b)=>a*b/G(a,b);p=(i=39*Math.random()|0)*i+i+41;q=++i*i+i+41;n=p*q;e=65537;for(d=1;d*e%L(p-1,q-1)-1;d++);c=7;for(;--e;c=c*7%n);C=c;for(;--d;C=C*c%n);throw C
u/f8f82804

Will throw 7 if the decryption works correctly. #slow
u/katkip

it lags so much
u/f8f82804

it should be possible to optimize the modular inversion and exponentiation, but it would probably go over the character limit

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f8f82804

function u(t) {































































































c.width^=0;x.font='8em a';x.fillText(t,0,99);

Aug 23 2018 4:45 PM UTC

}// 140/140

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u/katkip

what's fun here?
u/f8f82804

not much. #cheeky
u/DataMeta

Careful with that salt, katkip
u/f8f82804

🧂🐌

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f8f82804

remix of d/8853 by u/soggypretzels

function u(t) {

c.width|=0;for(i=999;i--;x.rect(i*30-((q=i%2*2-1)*t*9)-6e3+q*i/9,q*350+175*(q*S(t+i/5)+S(t)),30+9*q,1300+99*q));x.fill('evenodd');

Aug 22 2018 5:16 PM UTC

}// 130/140

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f8f82804

function u(t) {

t||(a=-450,b=i=j=1,x.globalAlpha=.1);z=(b>0?4e3:-4e3)/(a*a+b*b);θ=Math.atan(a/b);x.fillRect(960+(a+=i-=z*S(θ)),540+(b+=j-=z*C(θ)),9,9)

Aug 14 2018 9:13 PM UTC

}// 134/140

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#kepler #orbit using #euler #integration

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f8f82804

remix of d/9154 by u/f8f82804

function u(t) {

for(β=s=314;β--;x.fillStyle=`hsl(${β+t}rad 90%${30*(1-(γ=C(α-1)*C(β))-γ**9)}%/${β/a}`)x.fillRect(s*S(α=β/200)*S(β)+960,s*S(α)*C(β)+s,a=53,a)

Aug 9 2018 6:09 PM UTC

}// 140/140

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Tweaked #sphere parameterization with occlusion, z-buffer and #phong #shading -- #rainbow #d3 #pbr

u/f8f82804

#blending

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