Dweets awesomed by u/joeytwiddle

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

Please log in (or register) to post a dweet (copy-paste the code somewhere safe to save it meanwhile)


    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

show FPS hide FPS share 1 remix fullscreen

Whimpers

function u(t) {

for(a=b=u=c.width|=i=0;i++<99*t;x.fillRect(960+800*C(a+t)*S(b)/z,540+800*C(b)/z,s=20/z/z,s))a+=C(t**(1/t)),z=2+S(a+t)*S(b+=S(u)/69)

Feb 26 2020 5:22 PM UTC

}// 131/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Show more comments…
u/Xen

#waitforit very nicely!
u/aleamb

love it
u/EracYonchbas

Complete Garbage
u/joeytwiddle

#sphere
u/ivylab

I do noooot understand how but I love these
u/EarickYakbiss

utter trash
u/KilledByAPixel

remix of d/13148

show FPS hide FPS share fullscreen

rodrigo.siqueira

remix of d/17748 by u/katkip

function u(t) {

c.style.filter=`sepia(`
P=(θ,R)=>x.fillRect(S(θ/5)*R+960,C(θ/5)*R+540,.6,1)
for(q=z=i=3e3;i--;)P(S(q)*9,C(z/3)*485),q+=C(z+t/z),z+=S(q*15-z)

Feb 26 2020 3:03 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Chaotic flower #mandala

show FPS hide FPS share 1 remix fullscreen

ElisionFR

function u(t) {

if(!t)R=[]
onmousemove=(e,d=t)=>R.push(l=>[e.x+C(d*50)*(l-d)*9,e.y+S(d*50)*(l-d)*9])
R.map(v=>x.fillRect(...v(t),1,1),c.width=innerWidth)

Feb 26 2020 12:24 AM UTC

}// 137/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Generate particles from pointer

u/aleamb

#interactive

show FPS hide FPS share 1 remix fullscreen

lulasz

function u(t) {

c.onmouseenter=e=>{a=new AudioContext();o=a.createOscillator();o.connect(a.destination);o.frequency.value=S(t*6)*420;o.start();o.stop(1)}

Feb 24 2020 7:44 PM UTC

}// 137/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

How quickly can you make scary music?

u/Xen

sounded like a challenge so i kinda screamed on the spot and made my cat vanish, instant win, instant quick!
u/lulasz

Poor cat! Also #music
u/KilledByAPixel

How is this music exactly?
u/lulasz

It's more like a sound generator, my bad

show FPS hide FPS share 1 remix fullscreen

KilledByAPixel

remix of d/17720 by u/tomxor

function u(t) {

c.style.cursor='none'
onmousemove=e=>{c.width=innerWidth,x.font='3em"',x.fillText('🐁',e.x,e.y)}

Feb 23 2020 8:11 PM UTC

}// 95/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

#mouse position using innerWidth

u/ElisionFR

Where does innerWidth come from and why does it stop working when I put it outside the event ?
u/ElisionFR

Never mind, if I do that c.width= clears the canvas
u/tomxor

innerWidth is just a global (on window) which in the context of the dweet is the iframe which is conveniently the same size as the canvas... It does work outside of the event handler but you have to remember to move the draw function out as well since it will only draw when mouse is being moved.
u/pavel

onmousemove=e=>x.fillText('🐁',e.x,e.y,c.width=innerWidth,x.font='3em"')
u/KilledByAPixel

nice pavel

show FPS hide FPS share fullscreen

joeytwiddle

remix of d/17674 by u/Layl

function u(t) {

r=Math.random
t%2<.1&&(x.beginPath(R=1),x.fillStyle=t&2?'#fff1':'#2042')
R*=1.07,v=r()*R
x.lineTo(960+1.5*C(a=r()*99)*v,540+S(a)*v)
x.fill()

Feb 23 2020 6:38 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Endless Purple Crystal Growth

u/joeytwiddle

A dweet using a similar approach with rectangles: d/12819

show FPS hide FPS share 1 remix fullscreen

tomxor

remix of d/17716 by u/ElisionFR

function u(t) {

c.width|=0;x.font='99px m'
c.style.cursor='none'
onmousemove=e=>R=e
x.fillText('🐁',R.x*3.4,R.y*3.4)

Feb 23 2020 2:29 PM UTC

}// 99/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Mouse Position

u/tomxor

#mouse
u/KilledByAPixel

another way to do it is c.width=innerWidth, then the mouse pos will match up exactly

show FPS hide FPS share 2 remixes fullscreen

yonatan

remix of d/17703 by u/yonatan

function u(t) {

for(c.width|=k=i=960;i--;x.strokeRect(k-i,540-i,i*2,i*2))x.setLineDash([t+k/i&1?i/5:i])

Feb 23 2020 2:07 PM UTC

}// 87/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

87 bytes

u/katkip

awesome

show FPS hide FPS share fullscreen

ElisionFR

remix of d/17692 by u/iznax

function u(t) {

c.width|=i=c.i%12|0
x.font="32em Eggzes"
c.onclick=a=>c.i=i+2
d="🥚🐣🐥🐤🐓🍗"
x.fillText(d[i]+d[i+1],640+S(t*29)*25*!i,850-(i==4)*S(t%3.14)*200)

Feb 23 2020 9:15 AM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

CLICK IT !

u/joeytwiddle

#cute #bird #food
u/aleamb

#interactive
u/yukulele

nice story but the ending is a little sad 😢
u/davidsover

F
u/jpthinker

The food chain, lol

show FPS hide FPS share fullscreen

katkip

function u(t) {

for(q in w="shift.for.me",W="SHIFT!FOR!ME",z="",c.width*=1,w)z+=S(q/3+t)<0?W[q]:w[q];x.font="5cm monospace",x.fillText(z,330,600)

Feb 23 2020 8:39 AM UTC

}// 129/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

I made shift.for.me. a game made under 2kb (2kPlus submission). https://kipkat.itch.io/shift

u/KilledByAPixel

👍
u/tomxor

👍 wow, gets disorienting around 5k, harder than i looks.
u/katkip

thanks for playing!

dwitter.net | joeytwiddle (61426)