Dwitter - javascript demos in 140 characters

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.

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Current theme challenge: #Food

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rodrigo.siqueira

remix of d/31911 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
for(a=b=0,i=3e4;i--;a+=(r=i*t/b&1)*3-b*S(a/2)/4-a*a/5,b-=.7+a*b/9)x.fillRect(a*260-i%3*580+560,b*440+1710,.05,t<3)

May 27 2024 3:10 PM UTC

}// 139/140

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Alien garden

u/cantelope

neat

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charrock

function u(t) {

for(i=6;i--;){g=50;h=.1;a=s=>(1+h)*s(h+t+i)*g;x.fillStyle=R(99*(i%2));while(h<4){h+=d=1/(g*h);x.fillRect(960+a(S),540+a(C),9,9);g/=.998;}}

May 27 2024 2:30 PM UTC

}// 138/140

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Don't look too long

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rodrigo.siqueira

remix of d/31877 by u/mhi

function u(t) {

//👁️
x.fillRect(x.globalAlpha=.03,0,2e3,2e4)
for(i=500;i--;x.clearRect(960+C(K=i*q/3)*(25-i),540+T(i/299+3)*S(K)*(500-i),2,2))q=S(i/199-t)/5

May 25 2024 4:15 PM UTC

}// 140/140

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Eye of the beholder... 👁️ 👁️

u/cantelope

that "eye of the beholder" platitude does not account for the "other dimension" of ineffable things like beauty, art, literature, etc. There is a dual property which defines the quality of some things, being 1) personal preference, and 2) objective quality with respect to its purpose. Neither bit can be truncated or the truth is lost. Nor can the 2 dimensions be forced into a single, linear value. this is why some contests can never be competitions, but are in fact, popularity contests ;)

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MathTechCoach

function u(t) {

c.width=w=1920;h=1080;u=h*t;
x.fill(x.arc(u%(2*w)<w?u%w:w-u%w,u%(2*h)<h?u%h:h-u%h,20,0,7));

May 27 2024 12:06 PM UTC

}// 92/140

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Thanks @PotatoImaginator. Need to figure out why this works...

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aaaaaz

function u(t) {

W=1920
X=Math.random
if(!t)Z=0
x.fillStyle=R(155+X()*31,144+X()*31,190+X()*28)//+C(t)*99
x.fillRect(0,Z+X()*1150,W,99)

May 27 2024 9:19 PM UTC

}// 118/140

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taupelink

remix of d/31907 by u/taupelink

function u(t) {

f=u=>((u%6-3)**2-3-i/j%j)**2;g=n=>f(X*n/8)+f(Y*n/8)&94;for(i=2e4;i--;x.fillRect(480+10*X,60+10*Y,t<6,g(j=1+i%3)==g(8-j)))X=i*i*t%96,Y=X*i%96

May 28 2024 9:02 PM UTC

}// 140/140

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d/31919

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milesn

function u(t) {

for(i=0;i++<179-t*30;x.fillRect(960-E(S),540+E(C),9,9))E=O=>O(t)*400+O(i)*S(i*i)*70
x.font='1in"'
x.fillText('milesn',1400,1e3)

May 24 2024 5:35 PM UTC

}// 127/140

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Show more comments…
u/warbino

awesome!
u/warbino

milesn
u/thenize

So original!
u/skoehler

very original!
u/warbino

for(i=0;i++<179-t*30;x.fillRect(960-E(S),540+E(C),9,9))E=O=>O(t)*400+O(i)*S(i*i)*70 x.font='1in"' x.fillText('milesn',1400,1e3)
u/warbino

who is 31891
u/warbino

so creative!
u/lewdev

The remixed dweet was a deleted version of d/31889

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thenize

remix of d/31873 by u/thenize

function u(t) {

for(j=2e3;r=j--/(j%(t/900+2)*T(t));x.fillRect(j,9,.1,2e3))x.clearRect(C(j)*r+920,S(j)*r+500,r/=10,r)

May 24 2024 4:58 PM UTC

}// 100/140

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u/warbino

awesome!
u/mhi

mid tbh
u/cantelope

@mhi, while some users may not mind non-constructive criticism, this user didn't ask you. Please keep feedback positive
u/thenize

thanks for the feedback mhi

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mhi

remix of d/11450 by u/katkip

function u(t) {

q=t/25;x.fillRect(0,0,2e3,2e4);for(i=500;i--;)x.clearRect(960+S(t+i*q)*(500-i),540+C(t+i*q)*(25-i+C(t)/99),8,8)

May 24 2024 5:06 PM UTC

}// 111/140

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Show more comments…
u/warbino

awesome!
u/thenize

don't remix it's a bad look.
u/thenize

this code is NOT optimized
u/mhi

ill try harder next time im sorry
u/thenize

hip hip!
u/warbino

array!
u/cantelope

this platform encourages remixing, without judgement of the result as long as it was not malicious... please keep the spirit constructive in your comments thank you

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thenize

remix of d/31863 by u/Villevann

function u(t) {

for(j=2e3;r=j--/(j%(t/90+2)*T(t));x.fillRect(j,9,.1,2e3))x.clearRect(C(j)*r+920,S(j)*r+500,r/=50,r)

May 24 2024 4:54 PM UTC

}// 99/140

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u/warbino

awesome!
u/mhi

if youre gonna remix at least make it better
u/cantelope

@mhi, without specific corrections or ideas, criticism isn't constructive. for example, this is constructive criticism about your comment. please keep the spirit positive thank you