Dwitter - javascript demos in 140 characters

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

danny@hille.dk

remix of d/19969 by u/danny@hille.dk

function u(t) {

for(c.width=X=64;X--;)for(Y=64;Y--;)x.fillStyle=R(m=128*(S(X*Y+Y/2*Y/16)/64**C(Y/8+t*2)/16),-m/9),x.fillRect(Y,X,1,1)

Sep 15 2020 7:27 PM UTC

}// 117/140

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

Demonic patterns (or christmas sweater pattern) remix

show FPS hide FPS share fullscreen

danny@hille.dk

remix of d/19942 by u/taupelink

function u(t) {

r=Math.random;for(i=k=126;i--;x.fillRect(k*X,k*Y,i/t,i/t))X=r(Y=r()*9)*16,x.fillStyle=R(h=k*C(5*C(p=Y*Y/9-Y)+S(X*X/15-X)+p/Y)+k,T(h/i)*99)

Sep 16 2020 4:42 PM UTC

}// 138/140

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

I'm watching you remix

show FPS hide FPS share 1 remix fullscreen

taupelink

remix of d/19974 by u/taupelink

function u(t) {

r=Math.random;for(i=k=128;i--;x.fillRect(k*X,k*Y,i/t,i/t))X=r(Y=r()*8)*16,x.fillStyle=R(h=k*C(3*S(Y*C(X*X/16-X)+S(Y))+5*(X*4|Y))|i,h*2,h+k)

Sep 16 2020 1:35 AM UTC

}// 139/140

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

d/19975

show FPS hide FPS share fullscreen

tomxor

remix of d/19945 by u/katkip

function u(t) {

c.style.background='#ff0'
for(k=(8-t)*50,i=t^5&&t<10?180:0;i--;S(w*3)<C(w*3)&&x.fillRect(960+k*S(w),540+k*C(w),5,5))w=i/t

Sep 14 2020 1:17 AM UTC

}// 121/140

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

Smaller toxic #sign

u/tomxor

... I'm in a golfing mood

show FPS hide FPS share 1 remix fullscreen

anotherkitten

function u(t) {

x.fill(p = new Path2D(),p.arc(960,540,270,0,8))

Sep 16 2020 3:02 PM UTC

}// 47/140

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

Comment with something for me to add to this, will remix with one suggestion per iteration (until its too complex to continue)

u/danny@hille.dk

a tail
u/anotherkitten

tail added! d/19979

show FPS hide FPS share 2 remixes fullscreen

danny@hille.dk

remix of d/19966 by u/danny@hille.dk

function u(t) {

for(c.width=m=X=64;X--;)for(Y=64;Y--;)x.fillStyle=R(o=99*(S((X*Y-t+Y*X)/m)+C(Y/4+t)+S(t+X/8+S(Y/2+t))),o/2,-o),x.fillRect(X,Y,1,1)

Sep 15 2020 6:14 PM UTC

}// 130/140

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

Endoplasmatic remixium

show FPS hide FPS share fullscreen

yonatan

remix of d/19937 by u/tomxor

function u(t) {

for(c.width=240,i=22;i--;x.fillText(u,S(i+t/i)*99-2e3,9+(499+S(t)*299)/i))x.font=299/i+'px _',x.filter=`blur(${Math.abs(i-(S(t)*6+6))*.3}q`

Sep 13 2020 8:14 PM UTC

}// 139/140

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

u/Xen

nice!

show FPS hide FPS share fullscreen

Xen

remix of d/12646 by u/qm3ster

function u(t) {

t?x.filter=`hue-rotate(${t*=49}rad)`:x.strokeStyle='red'
for(x.beginPath(r=1e3);r--;)x.lineTo(--r*S(t*=.3)+S(t/9)*r+r,r*C(t)+r);x.stroke()

Sep 15 2020 11:16 PM UTC

}// 138/140

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

playing #keepsgoing

show FPS hide FPS share 1 remix fullscreen

KilledByAPixel

remix of d/19951 by u/KilledByAPixel

function u(t) {

t%1<.01?T(960,-300,80,c.width|=0):T=(X,Y,Z)=>{for(V=Math.random(i=Z|0)*6-3;i--;)x.fillRect(X+=V,Y++,Z,.9);V>2&&T(X,Y,Z/3);Z>1&&T(X,Y,Z*.98)}

Sep 15 2020 6:02 PM UTC

}// 140/140

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

Lightning Strikes #storm #uncompressed

show FPS hide FPS share 1 remix fullscreen

taupelink

remix of d/19950 by u/taupelink

function u(t) {

r=Math.random;for(i=k=128;i--;x.fillRect(k*X,k*Y,i/t,i/t))X=r(Y=r()*9)*16,x.fillStyle=R(h=k*S(S(Y*C(X+X*X/7)-X*C(Y-Y*Y/6))+X--*2)|i,h^k,h+i)

Sep 15 2020 1:52 AM UTC

}// 140/140

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

d/19957