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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shilquix

remix of d/25359 by u/shilquix

function u(t) {

F=m=>Math.abs(~~((X^Y)/t))
w=1920,h=1080,r=16
for(i=0;i<w;i+=r)for(o=0;o<h;o+=r)X=i-w/2,Y=o-h/2,x.fillStyle='#'+F(),x.fillRect(i,o,r,r);

Apr 23 2022 6:43 PM UTC

}// 136/140

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hallway

u/donbright

heck yes

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JanGames

function u(t) {

c.width|=0
for(j=0;j<30;j++)
for(i=0;i<9;i++)
x.fillRect(i*300+S(j*t*1)*150,j*50-250,20,50)

Aug 6 2019 5:13 PM UTC

}// 91/140

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BuRRak

function u(t) {

c.p=t^0?c.p:"";this.onkeypress=(e)=>{v="";if(e.key==" "){v=c.p;c.p="";v=v+"="+eval(v)}else c.p+=e.key};throw v==""?c.p:v;

Jan 21 2018 1:30 AM UTC

}// 121/140

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Simple useless calculator, press space to calculate and use the keyboard to write your problem

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Xen

function u(t) {

x.globalCompositeOperation='xor'
x.fillRect(700+C(t+S(t/3))*499,240+S(t+C(t/3))*499,499,499)
x.rotate(C(t)/3e3)

Jun 4 2019 6:12 PM UTC

}// 111/140

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quick play

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katkip

remix of d/9421 by u/katkip

function u(t) {

if(!t){l=0;r=-1}x.fillStyle=`hsl(${S(r+t)*l*25},99%,50%)`;x.fillRect(++r*50,l*50,50,50);if(r>38){l++;r=-1}

Aug 25 2018 11:56 AM UTC

}// 106/140

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DirtyDan

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*T(t+i/9)*300,400+100+S(t+8/9)*300,50,200) // draw 50x200 rects

Feb 5 2018 2:02 AM UTC

}// 138/140

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u/katkip

#default

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just_me_7k

function u(t) {

for(i=0;i<180;i+=5)x.fillStyle=`hsl(${i+t*10},100%,50%)`,x.fillRect(960+300*C((i+t/6)*3.14/180)-2.5,490,5,100)

Jun 30 2025 12:22 PM UTC

}// 110/140

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Color bar

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timothytomato

function u(t) {

i=x.createImageData(1920,1080)
for(j=0;j<8294400;j+=4){i.data[j]=i.data[j+1]=i.data[j+2]=255-j/3e4;i.data[j+3]=255}x.putImageData(i,0,0)

Jan 26 2024 6:46 AM UTC

}// 136/140

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image data experiment

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taupelink

remix of d/21529 by u/taupelink

function u(t) {

for(i=511;i>>=1;x.fillRect(96*X,80*Y,g=i/t,g))f=i*t,X=f*f%29-9,Y=X*f%23-9,h=C((q=C(Y&i)*X)&(p=C(X&i)*4*Y))*20,x.fillStyle=R(h%q*h,h%p*h,h*h)

Feb 3 2021 2:46 PM UTC

}// 140/140

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d/21583

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Wammbox

function u(t) {

for(i=0;i<999;i++){
x.fillStyle=R(255-i+S(t)*50,255-i/2+C(t)*50,255-i/4)
x.fillRect(10*i,S(t/9*i)*20*i,10,20)}

Jan 16 2018 11:27 AM UTC

}// 110/140

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