Dweets awesomed by u/thorbear

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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rodrigo.siqueira

function u(t) {

c.width^=0
x.fillStyle="#ace"
for(i=0;i<170;i++){
 x.font=i/15+'em"'
 x.fillText('❄',S(t/25+i)*i*13,Math.abs(99*(t+i))%1190)
}

Dec 25 2018 6:01 PM UTC

}// 126/140

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Snow Falling

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rodrigo.siqueira

function u(t) {

c.width^=1
x.font="3in'"
c.style.background=`linear-gradient(#26a,#fff,#242)`
for(i=0;i<8;i++)x.fillText('🗿', 270+i*160+S(t)*200,650,200)

Dec 17 2018 12:10 PM UTC

}// 137/140

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Moai statues

u/joeytwiddle

#default

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katkip

function u(t) {

q=t/25;x.fillRect(0,0,2e3,2e3);for(i=500;i--;)x.clearRect(960+S(t-i*q)*(500-i),540+C(t-i*q)*(250-i+S(t)*99),8,8)

Dec 17 2018 6:20 AM UTC

}// 112/140

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#galaxy

u/jamespwilliams

Cool!
u/otomakan

Gorgeous!
u/C010011012

one of the oscillator things with the θ=r*t I see

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rodrigo.siqueira

function u(t) {

c.width^=0
x.font='8em"'
x.fillText('🐀',880+t,941+Math.ceil(t*8)%2*30)
for(i=0;i<9;i=i+.3)x.fillRect(900+C(i-t)*580,520+S(i-t)*480,140,30)

Nov 25 2018 3:09 AM UTC

}// 138/140

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Are we just rats on a wheel?

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rodrigo.siqueira

remix of d/11131 by u/rodrigo.siqueira

function u(t) {

c.width|=N=890;x.font='3em"'
JSON.stringify(Object.keys(this)).split`"`.some((_,i)=>x.fillText(_,S(t+i)*280+N,N+i*9-Math.abs(S(t/40)*5e3)))

Nov 23 2018 6:13 PM UTC

}// 139/140

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DNA CODE

u/katkip

that's smart
u/lionleaf

#dna

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rodrigo.siqueira

remix of d/10410 by u/rodrigo.siqueira

function u(t) {

x.fillRect(x.globalAlpha=.02,0,D=2e3,D)
for(i=D;i--;x.clearRect(940+C(t)*100+C(t)*420+S(i)*r,540+C(i+t)*r,1,2)){r=380*Math.random()*S(i*2) }

Nov 19 2018 3:35 AM UTC

}// 140/140

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Butterfly flow

u/anotherkitten

this is lovely

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rodrigo.siqueira

remix of d/10943 by u/logistikalism@gmail.com

function u(t) {

x.arc(960,540,540,t/3,-t)
x.stroke()

Nov 16 2018 12:17 AM UTC

}// 36/140

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Moiré Pattern Sphere

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jonathan-potter

function u(t) {

c.width=960
f=(o,l,X=480,Y=270)=>{if(l>1){
x.fillRect(X,Y,2,2)
f(o+t*.1,l*.6,X+=l*C(o),Y+=l*S(o))
f(o-t,l*.75,X,Y)}}
f(t,99)
f(t+3,60)

Nov 12 2018 10:57 PM UTC

}// 134/140

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felt like doing some #selfsimilarity #recursion

u/katkip

cute #fractal

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rodrigo.siqueira

remix of d/10900 by u/pavel

function u(t) {

for(c.width=840,s=300;s-=12;)
for(t+=.15,Q=t%4,i=6;i--;)
x.lineTo(400+s*S(A=(Q*(Q<1)+i)*1.57),25+s/2*(C(A)+2))
x.stroke()

Nov 9 2018 2:37 AM UTC

}// 121/140

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Spinning pyramid

u/katkip

That looks awesome
u/katkip

#pyramid

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rodrigo.siqueira

function u(t) {

with(x) font='68em"',fillStyle='black',Y=t<10?Y=2e3-t*99:1010,fillText("🏴",280,Y),fillStyle='#eee',font='35em"',fillText("☠",760,Y-340)

Nov 6 2018 3:37 AM UTC

}// 135/140

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Pirate flag #emoji

u/Undefined

c.width|=0;with(x)font='68em"',fillStyle=R(),Y=t<10?2e3-t*99:1010,fillText("🏴",280,Y),fillStyle='#fff',font='35em"',fillText("☠",760,Y-340) - fixed the trail and golfed back to 140

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