Dweets awesomed by u/jamespwilliams

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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jamespwilliams

function u(t) {

u=(t%50)>25?25-(t%25):(t%25);
X=75*u
Y=100*S(u)
console.log(X, Y);
x.fillRect(X,300+Y,3,3)
x.drawImage(c,0,10)
x.fillText("⛵🍸",X, 300+Y);

Mar 20 2020 2:58 PM UTC

}// 137/140

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u/Xen

love it!

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marc8

function u(t) {

c.width|=r=300
with(x){lineWidth=9
for(i=0;i<9;i++)fillRect(z=400+i*100+C(t)*r,400,50,200)
arc(z,h=500,10,0,7)
arc(310,h,r,t,t+6)
stroke()}

Mar 16 2019 2:48 PM UTC

}// 139/140

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#default engine

u/katkip

WOW
u/katkip

Genius idea
u/katkip

This deserves an awesome
u/f8f82804

#mechanism

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robbyg

function u(t) {

c.width|=0
x.shadowBlur=200
for(i=9;i--;x.fillRect(520+X,440,50,200))X=S(t)*400+i*100,x.shadowColor=x.fillStyle=`hsl(${X/4},70%,55%)`

Jan 11 2019 9:31 PM UTC

}// 133/140

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The rainbow behind #default

u/joeytwiddle

#rainbow

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katkip

remix of d/11741 by u/katkip

function u(t) {

c.width^=0;for(i=800;i--;)x.lineTo(960+S(i*S(i)+t/9)*500,540+C(i*S(i)+t/9)*500);x.fill()

Jan 11 2019 2:46 PM UTC

}// 88/140

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#earth planet

u/13thptr

woah
u/username

does not look like earth though
u/joeytwiddle

It does look like a #planet though. Cool effect for 88
u/katkip

That line in the middle looks a bit like Rusia
u/magna

Awesome technique! You could potentially add a way to "seed" the generation with a number and then search for a seed that resembles the Earth the most using brute-force.

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yonatan

remix of d/11642 by u/yonatan

function u(t) {

for(i=c.width|=0;i--;x.fillRect(S(a=i+t)*r+960,i/2,C(a)>0&&C(a)*r/2,19))s=i<1500,r=s?i/3:99,x.fillStyle=`hsl(${s*88} 33%${i%S(i)*77}%`

Jan 4 2019 8:36 PM UTC

}// 134/140

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u/13thptr

:0
u/lionleaf

Now that's a nice #tree . And you've got a full year to decorate it for christmas :)
u/katkip

*o*
u/iverjo

Stunning!
u/joeytwiddle

#christmas #xmas
u/vain

x.call3DEngine('tree') XD

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pavel

function u(t) {

for(c.width=480,x.rotate(X=Y=q=.785),r=6;r--;X+=f(0),Y+=f(2))R=1<<r,x.strokeRect(X+265-R,Y-74-R,2*R,2*R),f=n=>R*Math.atan(16*C(t+(n-r%2)*q))

Dec 23 2018 9:53 AM UTC

}// 140/140

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Squares #beesandbombs

u/katkip

So smooth!

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jylikangas

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡪㵣⹷楤瑨㴴ㄲ⭓⡴⼲⤪㤸㭶㵪ⴭ㰼㌻扥杩湐慴栨晩汬⠩⤩景爨椽㔻椭ⴻ捬敡牒散琨愪愥㜱㈬琪瘥㐰〬椬㌩⥦楬汓瑹汥㵒⡪⼲ⰹ㠭瘬樼㤸㼱㤰⵶㩪⤬汩湥呯⠹㠫匨愽椪㤸⭶⭴⼸⤪瘬㠰⭃⡡⤪瘫瘭樯㈩`.replace(/u(..)/g,"$1%")))

Dec 20 2018 8:08 PM UTC

}// 140/140

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Magical Winter Forest

Show more comments…
u/joeytwiddle

beauty
u/pavel

unreal
u/aleamb

oh man!
u/aleamb

#landscape #winter
u/katkip

cool
u/BuRRak

VERY COOL
u/zanella

OH MY GOD! SERIOUSLY?
u/Xen

Serious Awesomeness!
u/lionleaf

That's insane! Woah!
u/lionleaf

#magic #forest #xmas #snow #purple
u/magna

how do you even
u/andc2600

Amazing
u/donbright

heehee
u/rodrigo.siqueira

#christmas #tree
u/vain

I cant believe what i see from this 140 chars of compressed code. Nice colors and amazing work/execution!!

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jamespwilliams

function u(t) {

!t&&x.translate(a=99,a),x[b="fill"](),x.arc(a,a,a,0,1),x[b+"Style"]=`hsla(${Math.random()*2e3},99%,50%,.4)`,x.drawImage(c,2,2),x.rotate(.05)

Dec 17 2018 3:03 PM UTC

}// 140/140

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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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jamespwilliams

function u(t) {

!t?x.translate(c.width/2,c.height/2):r=Math.random;x.fillStyle=`hsla(${r()*r()*2500},99%,50%,0.3)`;x.fillRect(a=150,a,a,a);x.rotate(0.01*t)

Dec 16 2018 9:07 PM UTC

}// 140/140

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