Dweets awesomed by u/ellisk1

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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ellisk1

function u(t) {

q=t+20;for(c.width=i=2e3;i--;)x.fillRect(1e3+500*S(a=(q-=.01)+t/9),1280-210*Math.abs(S(q*3.75))+34*(t-q),w=15+5*C(a),w)

Nov 21 2018 6:43 PM UTC

}// 119/140

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Bouncer #beesandbombs

u/aleamb

fucking awesome!

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Xen

function u(t) {

c.width=49
for(i=9;i--;)x.fillRect(7+i*4+S(t)*5,9,2,9)

Nov 21 2018 6:03 PM UTC

}// 54/140

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#default #tiny

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pavel

function u(t) {

for(c.width|=i=18,t=(t/3)%16;i--;)x.rect(535+(i?i-1:~~t)*50,440+!i*200*S(t*Math.PI)**17,i?!~~(t-i+1)^i%2?50:0:100,200);x.fill('evenodd')

Nov 21 2018 5:00 AM UTC

}// 136/140

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Evenodd #default

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pavel

function u(t) {

with(x)fillStyle=R(0,0,0,.01),fillRect(0,0,w=2e3,w),setTransform(a=6*S(A=t**9),b=6*C(A),-b,a,A%w,-99),clearRect(0,0,3,w),strokeRect(0,0,3,w)

Nov 20 2018 6:31 AM UTC

}// 140/140

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Strings in yr face #beesandbombs

u/katkip

#web

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rnbw

function u(t) {

c.width^=0;x.fillStyle='#ea23';for(i=0;i++<25;){x.setTransform(S(t+i),C(t+i),0.2,0.2,960,500);x.rotate(2);x.fillRect(99,90,5e3,5e3)}

Nov 19 2018 5:10 PM UTC

}// 132/140

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it's like staring at the sun, but not nearly as blinding

u/rnbw

(this was me just tinkering around with setTransform - it is SO powerful)
u/crunch

wack
u/crunch

wack
u/katkip

cool
u/joeytwiddle

#sun

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pavel

function u(t) {

with(x)for(i=24;--i;fill())for(beginPath(n=k=i+2);k--;arc(960,540,i==2?70:50*i,a=Math.PI*(2*k+t)/(n-1),a))fillStyle=R(a=(1-i/23)**2*300,a,a)

Nov 18 2018 10:45 PM UTC

}// 140/140

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Polygons #beesandbombs

u/andregn

You could consider Math.PI = 22/7
u/pavel

When I have chars left I sometimes write out the full precision constants.

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pavel

function u(t) {

for(c.width|=i=w=540;i--;)for(x.beginPath(k=3);k--;x.fill())x.arc(p=i%32*99,q=(i>>5)*99,k?20:40,a=2*k+Math.atan2(1+S(t)-q/w,2+C(t/2)-p/w),a)

Nov 18 2018 10:14 PM UTC

}// 140/140

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Compass Needles #beesandbombs

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ellisk1

remix of d/11012 by u/ellisk1

function u(t) {

for(c.width|=i=3;i--;)x.arc(960,540,450*i*i,3.1,0);x.fill('evenodd');for(j=3e3;j--;)x.fillStyle=R(9,x.fillRect(2e3*S(j*j+t/9),j/2,j,5),j/55)

Nov 18 2018 5:05 PM UTC

}// 140/140

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Moonrise

u/joeytwiddle

Beautiful!
u/katkip

This is nice! #art #landscape #waves
u/joeytwiddle

Not a #sunset because it's the #moon!

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veubeke

function u(t) {

c.width^=0
O=t?O.filter(o=>x.fillRect(...o,_=2-o[1]++/400)|_>0):[]
for(i=9;i--;O.push([X,600,50]))x.fillRect(X=(4+i+S(t)*3)*99,400,50,200)

Nov 18 2018 1:07 PM UTC

}// 138/140

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#default

u/jylikangas

Very nice!
u/DataMeta

Smooth

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pavel

remix of d/9409 by u/trupples

function u(t) {

r=n=>q>3&&T(i*n)%2*(q-3)*300
for(c.width|=i=200,x.font='9em"';--i;x.fillText('Awesome!'[i&7],2e3-r(7)-q*300,1e3-(6-q)*q*90+r(3)))q=2*t++%16

Nov 18 2018 6:27 AM UTC

}// 139/140

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Awesome #fireworks

u/magna

Awesome indeed! #awesomebait

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