Dweets awesomed by u/lionleaf

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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fujimotos

function u(t) {

c.width=320
for(j=12;j--;)for(i=90;i--;)
x.fillStyle=`hsla(99,${i}%,${i}%,.9`,
x.fillRect(S(t+i/30+S(j))*20+20*j,S(t*5+i/10)+i*2,i/2,i/2)

Jul 4 2018 1:09 PM UTC

}// 137/140

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Weird Plants

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keithclark

remix of d/8799 by u/keithclark

function u(t) {

for(L=54,c.width=L*4,Z=5;Z>0;Z-=.1)for(Y=X=L;X>-L;x.fillRect(L*2+X--/Z*9,L+Y/Z,9,L))I=C((X/2^Z+t*6)+t*7),Y+=3*I,x.fillStyle=R(0,Z*Y-I*9,255)

Jul 4 2018 12:27 PM UTC

}// 140/140

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A choppy sea!

u/sigveseb

#ocean #water
u/katkip

#waves

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keithclark

remix of d/8799 by u/keithclark

function u(t) {

for(c.width=240,Z=5;Z>0;Z-=.1)for(Y=X=-60;X<60;x.fillRect(120+X++/Z*9,45-Y/Z,1/Z*24-Z,99))x.fillStyle=R(Y-=7*C(X*.4^Z+t*6),Z*50-Y,-Y/87<<8)

Jul 3 2018 11:50 PM UTC

}// 139/140

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This one has water - not flat unfortunately. Had to trade off the pseudo-shading to fit the colour change int

u/zanella

OH MY GOD! I stayed out of Dwitter for a couple of days, and suddenly it has become Shader Toy! :)
u/hollo47

This is so good! #landscape
u/sigveseb

with water! #water
u/Cloud

WOOOOOOOOOOOOOOOOOOOOOOOW!!!!
u/rep_movsd

Underrated AF

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keithclark

function u(t) {

for(c.width=240,Z=5;Z>0;Z-=.1)for(Y=X=-60;X<60;x.fillRect(120+X++/Z*9,45-Y/Z,1/Z*24-Z,99))I=C(X*.4^Z+t*6),Y+=7*I,x.fillStyle=R(Z*50-Y*I/3)

Jul 3 2018 4:27 PM UTC

}// 138/140

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I'm working on a version with green mountains and water but I need to shave a few bytes of this one first. Suggestions welcome

Show more comments…
u/alien

wow very nice
u/alien

is this what they call raymarching?
u/aleamb

yeeeeeeeeeeeeeeeeeeahh awesomeee!
u/aleamb

#3d #landscape #awesome
u/Agnes

Both 240, 120 and 60 are multiples of 60 so I think you can lose bytes by making 60 a constant... somehow. Right?
u/keithclark

@alien - no raymarching here. This is a cos() generated waveform, drawn from back to front.

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davidsharp

remix of d/8781 by u/micahcowan

function u(t) {

with(x)for(c.width|=i=n=23;--i;)F=((f,m)=>Math.abs(m-t*f(i*1.5/n)*2e3%(2*m))),beginPath(),font='90px a',fillText('⚽️',F(C,1920),F(S,1e3))

Jul 3 2018 8:42 AM UTC

}// 137/140

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u/katkip

After 36 hours, it alignes again

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alien

function u(t) {

t?1:s=0
c.width|=a=9
b=a*9
onclick=e=>s+=5
l=s*t+1.57 
n=C(l);m=S(l)
x.setTransform(9*n,9*m,-m*9,n*9,a*b,b*5)
x.fillRect(-a/2,-b/2,a,b)

Jun 30 2018 10:09 PM UTC

}// 135/140

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Just click on the stick

u/micahcowan

#fidgetSpinner
u/micahcowan

I added friction :) d/8787
u/aleamb

#interactive

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MrM@_S

function u(t) {

t?$("a").remove("[style*=600]").css({left:"+=1",position:"absolute"}):(R=e=>$("head").before`<a>💸</a>`+$("a:last").click(++i&i*i?R:u))(i=0)

Jun 29 2018 3:49 PM UTC

}// 139/140

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[Game] This game involves clicking flying money. The objective is to keep the supply of money coming for as long as possible by clicking the money before it escapes. However some of the supply is counterfeit, and clicking on counterfeit currencies lead to consequences.

u/lionleaf

Awesome dweet! Looks like jquery has snuck itself in, so unfortunately this dweet will break in the future, as I plan to remove jquery access for the dweets.
u/lionleaf

#interactive #game

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micahcowan

function u(t) {

c.width=1920
for(i=0;i<9;i++)
j=i/9*i/9,U=1+S(t),x.fillStyle=R(255*U*j),x.fillRect(100+i*100+U*(200*(1-j)),400+(1-i%2*2)*280*j*U,50,200)

Jun 26 2018 10:24 AM UTC

}// 136/140

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u/magna

#default

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magna

function u(t) {

x.fillRect(0,0,c.width=w=255,w)
for(i=99;i--;x.fill(x.arc((t*b*i+i*i)%w,99+b,5+b/5,!x.beginPath(),7)))b=i&1?1:-1,x.fillStyle=R(w,b*w,b*w,.2)

Jun 26 2018 3:22 AM UTC

}// 140/140

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Highway at night #bokeh

u/lionleaf

I like it! #traffic
u/magna

2 chars shorter, yellow headlights: with(x)for(i=fillRect(0,0,c.width=w=255,w)|99;i--;fill(arc((t*b+i)*i%w,99+b,5+b/5,!beginPath(),7)))b=i&1?1:-1,fillStyle=R(w,b*w,b*w*.8,.2)
u/aleamb

absolutely beautiful, magna
u/joeytwiddle

Love it. Reminds me of Mercury - The Timeless. Would be great to get some z-axis going.
u/magna

Thanks folks!

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firegodjr

function u(t) {

with(x)for(fillRect(p=3.14,0,Y=2e3,Y),k=Y;k--;)arc(960,540,j=k/4|0,v=k%4*p/2+S(t*3-j/70)+t,v+200/j),stroke(),beginPath(fillStyle="#fff1")

Jun 26 2018 1:32 AM UTC

}// 137/140

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The Orb

u/magna

Whoa!
u/Xen

nice style
u/firegodjr

Thanks guys ^^

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