Random dweets | Dwitter

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.

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artfarnaa

function u(t) {

for (c.width|=a=4;--a;x.arc(960+S(t+G*23)*50,
540+C(t+G*23)*50,a%13*105,
0,8))x.moveTo(G=a|0,0)
x.fill('evenodd')

Oct 14 2017 9:32 PM UTC

}// 114/140

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yonatan

function u(t) {

for(i=j=c.width=198;i--;)for(X=i-99,Y=20;Y++<120;)h=S(X/Y*5)*S(Y/9-t*9),x.fillStyle=R(128-h*99),x.fillRect(i,(Y+h*29)*Y/j,Y/j,199)

Mar 9 2018 3:14 AM UTC

}// 130/140

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half-assed floor marcher

Show more comments…
u/joeytwiddle

looks very nice
u/aleamb

great!
u/magna

Looks like marching half-asses
u/yonatan

Good point! I'll pretend I was going for that
u/iverjo

Very nice!
u/joeytwiddle

#renderer #raytracing #raymarching

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FrenchToast

remix of d/5967 by u/FrenchToast

function u(t) {

c.width|=0;for(i=620;i--;){x.rotate(t/200+1.4);x.beginPath();x.arc(350*S(t*3)*S(i/70),2*i,40+i,0,1.5);x.fill();x.fillStyle=R(t*i%200)}

Jan 23 2018 7:08 PM UTC

}// 134/140

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u/donbright

this has a cool little rhythym
u/joeytwiddle

Feathers!

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danny@hille.dk

remix of d/23442 by u/danny@hille.dk

function u(t) {

for(c.width=w=256,d=new ImageData(w,w),m=w*w,i=-1;m--;)r=((X=m%w-128)*X+(Y=m/w-166)*Y)/512,d.data[i+=4]=T(t+Y/r|X/r)*w
x.putImageData(d,0,0)

Jul 30 2021 6:43 PM UTC

}// 140/140

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Centred, slightly better performance and resolution, animating... but black/white

u/TGY

golf and play LOL
u/danny@hille.dk

u/TGY - I might have been gotten a little carried away :-)

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prplz

function u(t) {

q=[-1,c.width=200,1]
for(i=5;i--;x.fill())Z=C(t+(X=i&2)*1.57)+3,x.lineTo(99+99*S(t)*q[X]/Z,50+99*q[i+1&2]/Z)

Sep 23 2018 4:00 AM UTC

}// 108/140

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liste

function u(t) {

eval(unescape(escape`𮀮𩡩𫁬𤱴𮑬𩐽𙱢𫁵𩐧𒡸𛡦𪑬𫁒𩑣𭀨𜀬𜀬𜡥𜰬𜡥𜰩𒡦𫱲𚁩🐱𞐲𜀻𪐭𛐻𚐊𩡯𬠨𪠽𜀻𪠼𜠵𞱪𚰫𚑸𛡦𪑬𫁓𭁹𫁥👒𚀰𛁪𚠱𜀬𜠵𝐭𪠪𜐰𛀱𚐬𮀮𩡩𫁬𤡥𨱴𚁩𛀱𩐳𚠨𜐫𚁓𚀱𩐭𜠪𚀰𛠰𝀪𚀲𝐭𪠩𚡩𚰴𜀪𪠩𛐲𚐫𤰨𜑥𛐲𚠨𪠪𜰰𛑴𚠱𩐳𚐩𚐯𜰩𛀱𛀲𩐳𚐻`.replace(/u../g,'')))

Jan 18 2020 7:42 PM UTC

}// 140/140

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Hills #3d

u/13thptr

nice

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46uuuu

function u(t) {

x.font="79px w";
(u+"").slice(109,~1).split("\n")
.map((i,d)=>x.fillText(i,100,300+d*100))
x.fillStyle=R(t*2550%255,t*2550%255,t*2550%255)

Jun 5 2026 11:44 PM UTC

}// 138/140

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#blinking #quine

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souldzin

function u(t) {

with(x){
x.z=x.z||(m=0)||(c.onmousemove=e=>(m=e.clientY))
f=c.width=256
w=10
fillText('🚀',w,m/2)
j=t%1*f
y=S(t|0)*100
fillRect(f-j,y,w,w)}

Feb 10 2020 11:42 PM UTC

}// 138/140

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Mouse Game v0.1

u/souldzin

Let me know if adding event listeners is frowned upon... I'm just experimenting :)
u/Xen

very nice! click 'about' and join the dwitter discord, could golf this and add a kill screen ;-)

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JoshiRaez

remix of d/4651 by u/JoshiRaez

function u(t) {

c.width|=0;for(i=0;i<18; i++){for(j=-3.25; j<=3.25; j=j+0.25){x.fillRect(960+C(t+i+j)*270*((3.25-Math.abs(j))/3.25),540+270*j/3,10,10);}}

Dec 29 2017 12:19 PM UTC

}// 138/140

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prplz

remix of d/8125 by u/prplz

function u(t) {

z=Math.random;x.font='7em x';for(i=22;i--;x.fillText('◢◣◤◥'[z()*4|0],z()*2e3,z()*1e3))x.fillStyle=R(S(t/2)*55+133,0,199)

May 18 2018 8:36 AM UTC

}// 120/140

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#purple