Dweets awesomed by u/zanella

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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tillsc

remix of d/6122 by u/tillsc

function u(t) {

x.fillStyle=R(g=(S(t)+1)*99,g,g);for(i=99;i--;)x.fillRect(S(i)*99+960,C(i)*99+540,2,2);x.drawImage(c,-17,-10,1954+S(t)*2,1100+C(t)*2)

Jan 23 2018 8:06 PM UTC

}// 133/140

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u/donbright

really looks polished. cool
u/Qwitter

almost looks like an expensive cloth

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zanella

function u(t) {

c.width|=0;!t&&(A=[0,1,3,2]);A.forEach((m,i)=>x.fillRect(m*99,(3-i)*270,99,270));window.onkeyup=e=>e.key==A[0]&&(A=A.slice(1),A.push(t*t&3))

Jan 23 2018 2:01 PM UTC

}// 140/140

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Piano Tiles! Click the canvas then type 0, 1, 2 or 3 to play

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u/donbright

lol i cant figure it out... are there instructions on the goal?
u/donbright

lol i cant figure it out... are there instructions on the goal?
u/zanella

donbright: Hah! In the original game, https://play.google.com/store/apps/details?i… , you have to tap the black tiles as fast as you can, and you can't tap the white area. In this dweet, I replaced it with keyboard strokes: you have to hit 0, 1, 2 or 3 depending on the position of the bottommost black tile (0 for the first column, 1 for the second, and so forth). Unfortunately I couldn't add any game logic or score to it.
u/donbright

omg thank you this is great. actually reminds me of DONKEY.BAS by Bill Gates
u/zanella

I've never heard of donkey.bas - and I've been using computers since the good ol' Apple ][ !! Shit, now I'll have to implement donkey.bas on dwitter! :D
u/Xen

love it!

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njm

function u(t) {

a=1e3;b=a
for(i=0;i<99;i++){r=Math.floor(Math.random()*3+1)
a=(a+300*r*1.6)/2
if(r==2){b=(b+10)/2} 
else{b=(b+1070)/2}
x.fillRect(a,b,1,1)}

Jan 23 2018 7:23 AM UTC

}// 140/140

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Sierpinski Triangle

u/zanella

My kind of dweet! Here's the Sierpinski Carpet: d/6152
u/njm

Glad you like it! The carpet is very cool as well u/zanella

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donbright

remix of d/6294 by u/nickd3000

function u(t) {

Q=(x,y)=>x*x+y*y
for(i=N=128;i--;)for(j=N;j--;)B=Q((半=64)-i,半-j-S(t/3)*半),G=Q(半-i-C(t)*半,半-j),x.fillStyle=R(B%G,G%B),x.fillRect(i*8,j*8,8,8)

Jan 23 2018 4:35 AM UTC

}// 140/140

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note to future self... this is some kind of weird combination of interference patterns between waves, and circle-squares fractals ....to see whats going on, start out with fillstyle=R(B%256,0,0) then work from there.

u/donbright

note to future self... this is some kind of weird combination of interference patterns between waves, and circle-squares fractals ....to see whats going on, start out with fillstyle=R(B%256,0,0) then work from there.
u/donbright

in other words, it's not drawing the "lines of force", those lines are an artefact of the remainders of the 'quadrance' (squared distance) between the two black balls

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ellisk1

function u(t) {

c.width|=z=4+C(t);r=89;f=a=>x.lineTo(250*z+r*C(q=a-S(t+a)/3)*z,99*S(2*t)+r*z*(1+S(q)));f(0);f(1.3);f(2);f(2.5);f(0);f(2);r=99;f(2);x.fill()

Jan 23 2018 4:09 AM UTC

}// 139/140

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Flying Paper Airplane

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u/donbright

:)
u/sigveseb

Nice idea
u/trupples

Woah
u/aleamb

Great idea. Very nice dweet.
u/Qwitter

Cool
u/Xen

but is it flying towards or away?
u/ellisk1

Good question! It's up to the viewer haha
u/mrbhawk

This is my favourite dweet ever.
u/aleamb

the most elegant dweet ever seen
u/hollo47

#paperplane #elegant
u/joeytwiddle

#model

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mr_daemon

function u(t) {

c.width=1080;for(i=0;i<10;i++){for(j=0;j<40*(2+S(i+8*t)*C(i+t))*i;j+=10){x.fillStyle=R(j,850-j,0,1),x.fillRect(1000-i*99,500-j/2,75,35)}}

Jan 23 2018 12:05 AM UTC

}// 137/140

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tmcw

function u(t) {

for(i=0;i<200;i++) {
  x.fillText('╲╱'[Math.round(Math.random())],0,0);
  x.translate(10,0)
}
x.translate(-2000, 10)

Jan 22 2018 11:16 PM UTC

}// 116/140

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u/sigveseb

Classic maze, nice!
u/Qwitter

Zoom to play!
u/firegodjr

#charmatrix

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ipost

function u(t) {

c.width^=0;f=.01;for(i=628;i--;x.stroke())x.beginPath(),x.arc(960+860*S(t+i*f),540+440*C(t+i*f),60+45*S(20*S(t)*S(i*f)),0,6.28)

Jan 22 2018 10:38 PM UTC

}// 128/140

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u/aleamb

Wow!
u/Xen

very smooth
u/DirtyDan

Smart, using f to multiply i to gradually count up to 2 pi

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nickd3000

remix of d/599 by u/iverjo

function u(t) {

for(i=-2;i<2;i+=.05)for(j=-4;j<4;j+=.05)X=j-S(t),Y=i+C(t),x.fillStyle=R(v=9/(j*j%Y*Y)+2/(X*X+i*i),v/4),x.fillRect(j*240+960,i*240+540,12,12)

Jan 22 2018 10:33 PM UTC

}// 140/140

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u/aleamb

cool!
u/Qwitter

Extra awesome
u/donbright

flash gordon
u/rikardlindstrom

Wow!
u/magna

OMG

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BackendForth

function u(t) {

w=50
c.width=1920
v=(i,j)=>x.lineTo((i+j)*w,w*j+S((i*i+j*j)**.5+t)*w)
for(i=w*w;i--;x.fill())x.beginPath(),v(a=i%w,j=i/w),v(a+1,j),v(a,j+1)

Jan 22 2018 3:30 PM UTC

}// 139/140

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Show more comments…
u/Xen

wow
u/aleamb

impressive!!
u/Qwitter

Nice (I detect an incoming wave of surface wave dweets )
u/Qwitter

Rough Seas: v=(i,j)=>x.lineTo((i+j)*w,w*j+C(2*j-3*t)*S(i+t)*w)
u/donbright

the triangles is just marvelous
u/zanella

My new favorite dweet.
u/tl-code

wow

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