Dweets awesomed by u/Tesseract

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: #Opposites

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taupelink

function u(t) {

f=a=>S(a*S(X+S(Y+S(a))))*i;for(r=Math.random,i=k=256;i--;x.fillRect(k*X,k*Y,i/t,i/t))X=r(Y=r()*5)*9,x.fillStyle=R(f(h=3+X*Y),f(h+X),f(h+Y))

Nov 25 2020 9:22 PM UTC

}// 139/140

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d/20808

u/taupelink

Work in progress--kind of an aurora effect
u/geb

looks like a glsl shader demo :) very nice!

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ciaccodavide

function u(t) {

for(c.width|=X=66;X--;){
x.fillRect((t*199+X*40)%2e3-99,0,30+S(t)*5,2e3)
for(i=4;i--;)x.fillRect(X*200+i*30,i*75*2,20,(540-i*2)*(1+S(t/2)))}

Nov 25 2020 7:36 PM UTC

}// 140/140

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Moirèyes

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rodrigo.siqueira

remix of d/20796 by u/rodrigo.siqueira

function u(t) {

for(i=3e3,c.width|=f=g=>i*C(i)*g(i/8+t)/8;i--;x.fillRect(510+870*(i%2)+f(S),540+f(C),5,5))x.fillStyle=R(i/99,i/9,i),c.style='filter:invert('

Nov 25 2020 7:04 PM UTC

}// 140/140

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Rotating double spirals #spiral

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geb

remix of d/20799 by u/geb

function u(t) {

for(i=3e3,c.width|=f=g=>t+99*(t|1<<g(i)+g(2*i+t))*g(V=(i/5)+t);i--;)x.arc(960+f(C),540+f(S),9,0,1);x.stroke(),c.style='filter:invert('

Nov 25 2020 10:56 AM UTC

}// 134/140

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u/magna

Stylish!

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geb

remix of d/20798 by u/geb

function u(t) {

for(i=3e3,c.width|=f=g=>t+99*((g(i)-3)+g(i+t))*g(V=i/19+t);i--;)x.arc(960+f(C),540+f(S),19,0,5-S(V-t));x.stroke(),c.style='filter:invert('

Nov 24 2020 4:54 PM UTC

}// 138/140

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u/magna

WOW
u/aadil

wowww

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rodrigo.siqueira

remix of d/20790 by u/rodrigo.siqueira

function u(t) {

for(i=4e3,c.width|=f=g=>i*(S(i-t/5)/8)*g(i/128+t);i--;x.strokeRect(960+f(C)*(1.2+C(t/2))*(1.2+C(t))*2,540+f(S),2,2))c.style='filter:invert('

Nov 24 2020 1:22 PM UTC

}// 140/140

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Stardust spiral web galaxy #spiral

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Irratix

remix of d/20789 by u/ciaccodavide

function u(t) {

onmousemove=e=>T=e.x
L=(f,v,o)=>x[f](960+C(v+o)*r,530+S(v)*r)
for(c.width|=r=i=300;i--;L('lineTo',g*3,0))L('moveTo',g=t*i/r,T/50)
x.stroke()

Nov 23 2020 6:42 PM UTC

}// 140/140

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wanted to see if i could fit it in an uncompressed dweet without changing functionality.

u/ciaccodavide

Nice!

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taupelink

remix of d/20630 by u/taupelink

function u(t) {

r=Math.random;for(i=k=214;i--;x.strokeRect(k*X,k*Y,i/t,k/t))X=r(Y=r()*5)*9,h=k*S(S(Y*.7)%C(p=S(q=1.5-X/3)*q+2)),x.strokeStyle=R(h*q,h*p,h*Y)

Nov 22 2020 7:22 PM UTC

}// 140/140

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d/20784

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Xen

remix of d/20513 by u/Xen

function u(t) {

with(x)x.U=fillRect,t?onmousemove=e=>U(X=e.x,Y=e.y,V,V):U(V=v=w=9,0,z=c.width=innerWidth,z),drawImage(c,C(X),S(Y)),fillStyle=R(X,Y,t*99%255)

Nov 22 2020 2:40 PM UTC

}// 140/140

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game gutted for drawing thingy

u/danny@hille.dk

nice
u/Xen

thank you

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taupelink

remix of d/20751 by u/taupelink

function u(t) {

r=Math.random;for(i=k=214;i--;x.fillRect(k*X,k*Y,i/t,i/t))X=r(Y=r()*5)*9,h=i*S(X/3/(m=Y*(p=5%Y*C(q=X/2-3)*2))*m),x.fillStyle=R(h*m,h*p,-h*q)

Nov 21 2020 7:30 PM UTC

}// 140/140

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d/20762

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