Dweets awesomed by u/LimeLaser

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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andrea270872

function u(t) {

U=frame%20
if(U==1)K=[B=++t%2-1,A=S(t),-A,B,1e3,500,x.resetTransform()]
x.transform(...K)
x.fillStyle='#E'+U*U
x.fillRect(0,0,99,70)

Mar 26 2019 7:09 PM UTC

}// 132/140

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random affine transforms + colors

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eph_aim

remix of d/12877 by u/katkip

function u(t) {

q=0.01;t||(K=X=Y=0);for(i=999;i--;)x.fillRect(960+S(Y*q)*(2-X),540+C(Y*q)*(200-X),2,2),X+=C(Y*2)*9,Y+=S(X/(K/99+99))*111,K++

Mar 26 2019 12:06 AM UTC

}// 124/140

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Dragon Eye

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username

remix of d/12884 by u/username

function u(t) {

for(c.width|=0,j=59,t*=.3,x.font="2em'";j--;){for(i=3;i>0;i-=6/99)r=t*S(i)+9*j,x.fillText('//',1e3+r*S(i+j*C(t)),557+r*S(i+j*S(t)))}

Mar 24 2019 6:54 PM UTC

}// 132/140

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username

remix of d/12858 by u/vinca

function u(t) {

for(c.width|=0,j=20,t*=.3,x.font="2em'";j--;){for(i=6;i>0;i-=6/99)r=99*S(3*i)+40*j,x.fillText('.•○•.',1e3+r*C(i+j*S(t)),500+r*S(i+j*S(t)))}

Mar 24 2019 6:46 PM UTC

}// 139/140

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katkip

function u(t) {

t||(K=0);for(i=999;i--;)x.fillRect(960+S(K+S(K)-S(K/3))*500,540+C(K+S(K*2)*C(K))*500,9,9),K++;for(i=2;i--;)x.fillRect(800+270*i,99,50,99)

Mar 24 2019 2:53 PM UTC

}// 137/140

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u/robbyg

I see a zen frog.
u/UEZ

#buddha

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andrea270872

function u(t) {

c.width|=c.onmouseup=_=>{B=-B}
if(t==0)A=B=1
A+=B*.033
for(i=1e3;i--;)x.fillRect((A*2+i)%40*40,~~(i/40)*43,20,i%9)

Mar 24 2019 11:55 AM UTC

}// 114/140

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click to rewind

u/andrea270872

#interactive

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andrea270872

function u(t) {

c.onclick=_=>{T=9}
x.fillRect(0,0,2e3,2e3)
T|=0
A=T?(T--/9)**2*30:50
for(i=30;i--;x.fillText('👀',(t+i)%7*300-A,S(i)*i*40))x.font=A+i+"px'"

Mar 23 2019 9:25 PM UTC

}// 138/140

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Blinking eyes (click to make them blink)

u/andrea270872

#interactive

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andrea270872

function u(t) {

c.width|=c.onclick=_=>{T=19}
T|=0
x.fillRect(450+S(t)*400,99+5*(T>9?((T---9))**2:T?((9-T--))**2:120),50,50)
x.fillRect(S(t/2)*90,760,1e3,50)

Mar 23 2019 6:31 PM UTC

}// 140/140

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Jump on the enge! (click to jump)

u/katkip

#interactive
u/katkip

#game
u/andrea270872

I'm trying to compress a timed state machine in a single function... here T is the "clock" and the long test is the state machine function... :>

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katkip

function u(t) {

c.width^=X=Y=0;c.style.background='#aaf';for(i=99*t|0;i--;)x.fillRect(-1e3*t+X*9,640+Y*9,19,999),X+=2,Y+=C(X*Y/9),x.fillStyle=R(0,100-Y*5);

Mar 23 2019 11:43 AM UTC

}// 139/140

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Terrain #generator

u/tomxor

This reminds me a bit of the original dirtbike game.

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LimeLaser

remix of d/12799 by u/Jezza

function u(t) {

x.globalAlpha=.025
x.fillRect(0,0,1920,1080)
for(i=45;--i;)
x.clearRect(960+320*C(i+t)+640*S(i-t)-25,540+540*S(i+t)-25,50,50)

Mar 22 2019 11:39 PM UTC

}// 125/140

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Venus Flytrap Trails

u/Jezza

So great!

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