Dweets awesomed by u/ArthurThuczsec

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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Xen

remix of d/12849 by u/vinca

function u(t) {

t?x.font="28em'":x.globalAlpha=.1
for(i=99;i--;)x.fillText("🍄",650+C(t*i)*i*9,700+S(i+t)*i*9)

Mar 21 2019 3:04 PM UTC

}// 96/140

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u/vinca

cool (((🍄)))
u/andrea270872

that's one POTENT mushroom :D
u/magna

ahahahah
u/iverjo

#mushroom

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Xen

remix of d/12782 by u/andrea270872

function u(t) {

for(x.fillRect(0,0,2e3,K=k=1e3);k--;z>0&&x.clearRect(K+(k*97/60%11-5)*K/(99-z),500+(k*89/60%13-6)*K/(99-z),8,8))z=(60*t-k)%99

Mar 16 2019 3:35 PM UTC

}// 125/140

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Slight tweak

u/katkip

Looks like something #space #starfield
u/ximavus

Here's it with globalAlpha to .1: for(x.fillRect(x.globalAlpha=.1,0,2e3,K=k=1e3);k--;z>0&&x.clearRect(K+(k*97/60%11-5)*K/(99-z),500+(k*89/60%13-6)*K/(99-z),8,8))z=(60*t-k)%99

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f8f82804

remix of d/12670 by u/f8f82804

function u(t) {

for(r=Math.random,i=1e4;i--;x.fillRect(p[0]+=2-4*r(),p[1]+=2-4*r(),1,1))p=u[z=i%2e3]=u[z]||[a=z,b=r()*1080,R(a/8,b/4)],x.fillStyle=p[2]

Mar 7 2019 6:30 PM UTC

}// 135/140

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drawing smaller points doesn't help; this suggests the overhead is in color parsing

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pavel

function u(t) {

for(c.width|=i=99;S[u[t]=t]=x[t]=i--;x.fillRect(960+(u[i]+=S[i]-=u[i]/d),540+(x[i]+=C[i]-=x[i]/d),C[t++]=9,9))d=(u[i]**2+x[i]**2)**1.5/7e3

Feb 28 2019 5:17 AM UTC

}// 138/140

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#physics #orbit #orbits

u/pavel

Funky start due to lack of chars but quickly settles. Imagine a black hole in the middle.

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21medals

remix of d/10512 by u/f8f82804

function u(t) {

for(c.width^=0,x.lineWidth=i=64;i--;x.lineTo(960+a*S(p)/.7,540+(i+(t/8&1)&2?a:-a)))a=960/(3+C(p=t+.3927*(i/2-(i>>2))));x.fill()

Feb 24 2019 10:43 PM UTC

}// 127/140

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23_Skidoo

function u(t) {

c.width=w=120
for(i=8200;i--;x.fillStyle=`hsl(${S(X/90+t)*512} 45% 50%`)x.fillRect(X=i%w,Y=~~(i/w),S(Y/4)*T(X/19+t/4)/9,1)

Feb 19 2019 3:27 AM UTC

}// 122/140

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Xen

remix of d/12413 by u/Xen

function u(t) {

for(i=2e3;i--;)x.fillRect(i+S(C(t/3)*i),t*99,1,1)

Feb 18 2019 6:05 PM UTC

}// 49/140

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u/DataMeta

This one is smooth. Surely there is an even more golfed moire possible
u/geb

#background

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Xen

remix of d/12411 by u/Xen

function u(t) {

for(i=1e3;i--;)x.fillRect(i*2+T(C(t/2)*i),t*99,1,1)

Feb 18 2019 5:58 PM UTC

}// 51/140

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butcherfly

function u(t) {

for(i=0;i<20;i++){
x.fillStyle=R(S(t*i)*255)
x.beginPath()
x.arc(960, 540, 500- 20 * i, 0, 2 * Math.PI)
x.fill()
}

Feb 8 2019 11:43 AM UTC

}// 116/140

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Xen

remix of d/12172 by u/robbyg

function u(t) {

for(Z=99,i=9;i--;)for(v=200;v--;x.fillRect(520+S(t+v/Z)*400+i*Z,v*5,Z*v/Z,5))x.fillStyle=`hsla(${i*Z+v+t*Z},50%,50%,.1`

Feb 5 2019 4:45 PM UTC

}// 119/140

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u/katkip

#color

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