Dweets awesomed by u/magna

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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katkip

remix of d/12197 by u/katkip

function u(t) {

c.width*=1
for(i=9;i--;)for(j=50;j--;)for(k=20;k--;)x.fillRect(400+i*100+S(t*5)*300+j+S(k+t)*S(t*5)*99,400+C(j+i*22)*S(t*5)*29+k*10,2,15)

Feb 6 2019 9:07 AM UTC

}// 137/140

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#default but shuttered

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katkip

remix of d/12195 by u/katkip

function u(t) {

f=(n,b,L)=>x.fillRect(L%2==0?n:1920-n,540+S(b)*540,b/2,b/2)
for(c=256;c--;)x.fillStyle=R(c,c,c),f(20+t*c,c*1.7+t,c)

Feb 6 2019 8:44 AM UTC

}// 115/140

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katkip

function u(t) {

f=(n,b)=>x.fillRect(960+C(b)*n,540+S(b)*n,b/9,b/9)
for(c=0;c<256;c+=C(t/25)+4)x.fillStyle=R(c,c,c),f(20+t*199%1e3,c+t*9)

Feb 6 2019 8:37 AM UTC

}// 120/140

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Thing

u/sigveseb

looks kinda 3d

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23_Skidoo

remix of d/12192 by u/23_Skidoo

function u(t) {

for(s=24,t/=48,d=360,i=4e3;i--;f=C(X/d+t*8)*S(Y/d)+t,x.fillStyle=`hsla(${S(f/2)*d},66%,${40+S(f*f*99)*s}%`)x.fillRect(X=i%81*s,Y=i/81*s,s,s)

Feb 6 2019 5:53 AM UTC

}// 140/140

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u/katkip

Nice pattern
u/joeytwiddle

#colors

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23_Skidoo

remix of d/12189 by u/23_Skidoo

function u(t) {

t/=8
for(s=24,d=360,i=4e3;i--;f=C(X/d+t)+S(Y/d+t),x.fillStyle=`hsla(${S(f+t)*d},66%,${45+S(f*81+t*9)*s}%`)x.fillRect(X=i%81*s,Y=i/81*s,s,s)

Feb 6 2019 4:32 AM UTC

}// 139/140

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ds0

remix of d/12186 by u/ds0

function u(t) {

c.width|=r=540
for(i=r;i--;){Y=r-(2*i)
W=(2*(r**2-Y**2)**.45)
x.fillStyle=R(255*S(t+111*i))
x.fillRect(960-(W/2)+.8*r*S(t+111*i),540-Y,W,3)}

Feb 6 2019 3:00 AM UTC

}// 140/140

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Red Visitor

u/katkip

??
u/Galaxtone

He keeps swapping

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pavel

remix of d/9294 by u/cantelope

function u(t) {

for(i=w=c.width|=q=6.2832;i--;x.arc(960+S(p=(i>>1)*q/9-t)/Z*w,540+C(p)/Z*w,Z*Z,a=-t%q,a))Z=2+(i-1&-2)%98-8*t%2,i%98||x.beginPath(x.stroke())

Feb 6 2019 2:02 AM UTC

}// 140/140

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#uncompressed

u/cantelope

gotta hand it to you 👏
u/pavel

Playing it safe on the arc angle, modding it by 2pi just to avoid the bug on Safari.

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robbyg

function u(t) {

c.width|=0
for(i=9;i--;)for(v=200;v--;)x.fillRect(520+S(t+v/1e3)*400+i*100,440+v,50,1)

Feb 5 2019 2:37 PM UTC

}// 86/140

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Peacefully swaying #default

u/katkip

Already done: d/11284
u/robbyg

Yeah, I saw that after scrolling for a while in #default. But it's a different take at least.
u/katkip

^ similar one but this is more smooth
u/lionleaf

I enjoy the default remixes. This one is soothing :)

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katkip

function u(t) {

r=Math.random;for(k=999;k--;)X=r()*1920,Y=r()*1080,x.fillStyle=`hsl(${X+Y*C(Y/250+t)} 99%${C(Y/99+t*3)*X/25+50}%)`,x.fillRect(X,Y,20,20)

Feb 5 2019 10:21 AM UTC

}// 136/140

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#color

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katkip

function u(t) {

f=(X,Y,S)=>{if(S>10)x.beginPath(),x.arc(X,Y,S,3.2,6.2),x.stroke(),f(X+S,Y+S/2,S/2),f(X-S,Y+S/2,S/2)}
x.lineWidth=9;f(960,540,450)

Feb 5 2019 8:04 AM UTC

}// 129/140

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#recursive #recursion

u/cantelope

awesome!
u/katkip

thx

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