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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Current theme challenge: #Food

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mattaustin

function u(t) {

};eval=speechSynthesis.speak((new SpeechSynthesisUtterance('This is Max Max Max,Headroom.'))),()=>{

May 20 2020 5:10 AM UTC

}// 99/140

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This is max.

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jonathan_b

function u(t) {

for(c.width|=s=i=504;i-=3;)for(j=s;j-=63;)q=j+t+i,x.fillStyle=R(j/2,i/3,q/3,j/s),x.fillRect(s*2+s*2*C(j)*S(i+q*1.1),s+s*C(q)*S(j-i),35,35)

Jan 14 2018 2:10 AM UTC

}// 138/140

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pavel

remix of d/24056 by u/KilledByAPixel

function u(t) {

for(i=u=~u*7&511;w=i--/4;)x.fillRect((t||S(i))*2e3-u*T%w,T=640+(i&5?i-u:u-i),t?w:u,t?2:i/u)

Oct 11 2021 5:55 PM UTC

}// 91/140

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u/pavel

for(i=u=~u*697&475;w=i--/4;)x.fillRect((t||S(i))*2e3-u*T%w,T=640+(i&5?i-u:u-i),t?w:u,t?2:i/u) has the parabola shape but is 92 and a little too symmetric.
u/pavel

Err, I meant for(i=u=~u*81&493;w=i--/4;)x.fillRect((t||S(i))*3e3-u*T%w,T=640+(i&5?i-u:u-i),t?w:u,t?2:i/u)

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tonythetiger

function u(t) {

c.width=1920;
for(i=0;i<19;i++){
j=19-i
x.fillRect(i*100, 600, 50, j*25*C(t)-i*25*C(t))
x.fillRect(50+i*100, 600, 50, i*25*C(t)-j*25*C(t))
}

Dec 27 2017 12:54 AM UTC

}// 140/140

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username

remix of d/13968 by u/username

function u(t) {

with(x)for(i=7;i--;font=`9em'`)globalAlpha=.8,$=t+t/i+i*9,fillText(`🃏`,Math.abs(24*($*9%98-49))+i*99,111+842*($%2-1)**2),x.drawImage(c,i,i)

May 19 2019 12:38 PM UTC

}// 139/140

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u/sigveseb

#solitaire

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Xen

remix of d/17328 by u/emgordon154

function u(t) {

x.font="9em'"
p=P=>t*t**P%256
x.fillStyle=R(p(9),p(6),p(3),.1)
x.fillText(x.drawImage(c,1,0,1920,1e3,-19,-53,1952,1098),848,555)

Jan 24 2020 4:07 PM UTC

}// 128/140

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128: "I haven't got a clue what's going on"

u/katkip

#xweet

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f8f82804

function u(t) {

for(s=64,r=80,c.width=i=w=480;i--;)for(Y=s*S(a=i/9+t),j=2;j--;x.fillRect(i,j?r-s*C(i/9+t):2*r-s*C(a)-(r*r-Y*Y)**.5,1,2))x.fillStyle=R(255*j)

Sep 12 2018 11:01 PM UTC

}// 140/140

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Comparing #sinusoidal motion (red) with #reciprocating motion of a crank and #piston (black), with stroke of 64 and rod length of 80. TDC at the top.. #math

u/f8f82804

See d/9807 for a mechanism with these dimensions
u/f8f82804

also a #template for graphing functions. #tool

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rodrigo.siqueira

remix of d/21206 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=g=>i*g(i/30)*g(i/t)**.3;i--;x.fillRect(900+f(C),500-f(S),9/t,(9/t)))x.fillStyle=`hsl(${t*i/5},80%,${S(i*i/1e5+t)*99}%,.1`

Jan 13 2021 1:04 PM UTC

}// 133/140

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Smoky spiral #spiral

u/Xen

nice!
u/magna

#cryptoart
u/joeytwiddle

Looks dirty. I like it.
u/joeytwiddle

#dirty

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TGY

function u(t) {

for(u=9e3;u--;x.fillRect(300*(3+X-Z),250*(2+Y+Z),Z-1,2*Z-1))v=.5-u/9e3,A=1+v*C(t/2),X=A*C(t),Y=A*S(t),Z=v*S(t/2)

Jan 13 2022 9:47 PM UTC

}// 112/140

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https://en.wikipedia.org/wiki/M%C3%B6bius_st…

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Renaud___

function u(t) {

a=2500;h=f=i=g=210;y=Math.PI/3;while(f++<5*a){for(e=4,z=2;z<a;z*=4)f%z==z/2?e=1:0;i+=e;x.lineTo(g+=C(y*i),h-=S(y*i))}x.fill()

Feb 23 2017 5:41 PM UTC

}// 125/140

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