Dweets awesomed by u/geb

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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QXY

function u(t) {

c.width|=0;for(i=0;i++<99;){x.strokeStyle=R(o=i&1?-9:99,0,o,.5),x.beginPath(),x.arc(o*5*S(t/2)+960,520+o,i*(x.lineWidth=16),0,7),x.stroke()}

Sep 29 2018 1:20 AM UTC

}// 140/140

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Inspired by Spaceballs - SotA

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Purpzie

remix of d/10099 by u/o539

function u(t) {

c.width|=0;for(i=0;i<840;i++)a=((b=0|i/40)%2==1?S:C)(t),x.fillRect(a*800+i%40*100-1e3,b*50,50,50)

Sep 27 2018 10:53 PM UTC

}// 97/140

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20 characters shorter

u/yonatan

10 more: for(c.width|=i=840;i--;x.fillRect(a*800+i%40*99-1e3,b*50,50,50))a=((b=0|i/40)%2?S:C)(t)
u/Purpzie

goodness gracious
u/New_Core

or even 13 shorter then that... ;) diffrent code tho.. for(c.width|=i=962;i--;)x.fillRect(i%37*99+800*S(t+i%2)-800,i%26*40,50,50)
u/New_Core

*noticed a small error.. (in72b) for(c.width|=a=i=840;i--;)x.fillRect(i%37*99+a*S(t+i%2)-a,i%22*50,50,50)
u/Purpzie

holy cRAP that is absolutely amazing

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d0n.key

function u(t) {

for(c.width=340,i=320;i--;x.font=7+C(j=t*9+(X+Y)/2)+'pt a',x.fillText(["⚫","🔴","😊"][Y/5|0],40+C(j)+X*14,18+S(j)+Y*12))Y=i%15,X=i>>4

Sep 26 2018 9:38 AM UTC

}// 131/140

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Germanized it

u/d0n.key

Remix of https://www.dwitter.net/d/10078
u/joeytwiddle

#flag

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ellisk1

function u(t) {

b=960;with(x)for(c.width|=i=18;i--;fill())beginPath(r=(t+i)%2),arc(X=b+(q=b*(r-(z=r|0))*z)*C(a=i*.7+t),Y=540+q*S(a),r*b,a,a+.6),lineTo(X,Y)

Sep 26 2018 5:24 AM UTC

}// 139/140

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Infinite Pizza

u/katkip

#infinite

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ETHproductions

function u(t) {

s=7,t?x.drawImage(c,0,-s):a=[l=1];for(q=0,i=++l;i--;x.fillStyle=j?'#000':'#fff',x.fillRect(i*s,1080-s,s,s))q=q*2%8|a[i-1],j=a[i]=110>>q&1

Sep 24 2018 7:18 PM UTC

}// 137/140

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Rule 110

u/ETHproductions

If there's a short way to move the entire drawing a few pixels, it would allow quite a bit more room for messing around...
u/joeytwiddle

Bring out q to shave off two: s=7,x.drawImage(c,q=t?0:a=[l=1],-s)
u/katkip

WOW! AWESOME

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Xen

function u(t) {

for(Y=i=960;i--;x.fillRect(Y+C(i-i/7+t)*Y,540+S(t+i)*540,19,19))x.fillStyle=R(Z=i/4,t*9%Z,Z*S(t))

Sep 24 2018 6:59 PM UTC

}// 97/140

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have a play with the C() and S() in fillRect

u/prplz

love it
u/joeytwiddle

Nice changing #pattern

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yonatan

remix of d/10016 by u/yonatan

function u(t) {

p=22/21
c.width|=f=(u,v,a,s,i=3)=>s<9?x.lineTo(u,v):i&&f(u+S(b=a+i*p*2)*s,v+C(b)*s,b/2,s**.87)|f(u,v,a,s,i-1)
f(z=750,0,1+t%2*p,z)
x.fill()

Sep 24 2018 3:27 PM UTC

}// 139/140

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Under the tree

u/yonatan

#organic #tree #fractal

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katkip

remix of d/5771 by u/DonKarlssonSan

function u(t) {

c.width|=w=960;h=540;for(i=0;i<74;i++)x.save(),x.translate(w,h),x.rotate(T(t+i*999)/4),x.strokeRect(-(s=i*30+5)/2,-s/2,s,s),x.restore()

Sep 23 2018 1:56 PM UTC

}// 135/140

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yonatan

remix of d/10014 by u/yonatan

function u(t) {

c.width|=f=(u,v,a,s,i=3)=>s<9?x.lineTo(u,v):i&&f(u+S(b=a+i*Math.PI/3*2)*s,v+C(b)*s,b*-2,s/5*3)|f(u,v,a,s,i-1)
f(960,540,t/9,270)
x.fill()

Sep 22 2018 3:26 PM UTC

}// 137/140

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u/katkip

That's awesome #fractal
u/iverjo

cool!
u/joeytwiddle

mother of #sierpinski #dragon
u/quuxman

delicious

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ETHproductions

remix of d/9909 by u/gho.xlrtx@gmail.com

function u(t) {

for(I=t||(X=960,Y=540,D=10,F=J=Q=0,N=1);I;++J>2*F&&(Q=F++%2?D:-D,J=1),J>F?Y+=Q:X-=Q)for(I=++N**.5|0;N%I--;);x.fillRect(X,Y,D,D)

Sep 21 2018 2:32 AM UTC

}// 127/140

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Ulam Spiral, golfed and modified to add a prime each frame

u/katkip

Nice

dwitter.net | geb (18832)