Top dweets by u/smtsjhr

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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smtsjhr

remix of d/19719 by u/smtsjhr

function u(t) {

c.onclick=e=>a=6*Math.random()
for(c.width|=i=0;i<300;i++){k=(2e3+99*C(t*i/30))*.98**i;x.lineTo(960+k*S(i*a),540+k*C(i*a))}x.fill('evenodd')

Aug 18 2020 4:12 AM UTC

}// 140/140

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*click to generate a random pattern*

u/aleamb

amazing #interactive

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smtsjhr

remix of d/19467 by u/smtsjhr

function u(t) {

c.width|=0
x.translate(980,540)
x.globalAlpha=.25
for(f=32;f--;x.rotate(f*.19634))for(i=50;i--;){x.fillRect(100*(25-i+t/5),0,30,1e3*S(t/5))}

Aug 7 2020 1:18 AM UTC

}// 140/140

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smtsjhr

function u(t) {

c.width|=0;x.translate(980,540);for(f=32;f--;){for(i=400;i--;){x.fillRect(200*S(t/5)*(200-i+t%1),-1e4,10+10*S(t/5),1e4)}x.rotate(f*.19634)}

Jul 20 2020 11:07 PM UTC

}// 139/140

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smtsjhr

function u(t) {

for(c.width|=i=99;i--;){
k=1.02**i,d=99*k
x.fillStyle=R(w=i%2*255,w,w,1-i/99);
x.fillRect(960+99*S(f=i/9+t)*k-d/2,600-50*C(.8*f)*k-d/2,d,d)}

May 21 2020 6:59 AM UTC

}// 140/140

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u/Xen

nice!

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smtsjhr

function u(t) {

a=0.56
c.width|=0
x.translate(960+400*S(3*C(t/10)+t),540+200*S(10*C(t/10)+2*t)) 
for(i=2000;i--;){x.rotate(t/1e5+a),x.fillRect(0,0,1,2200)}

May 13 2020 7:02 AM UTC

}// 139/140

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Moireball

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smtsjhr

function u(t) {

c.width=1920
for(i=0;i<2000;i+=20){for(j=0;j<1200; j+=20){x.fillStyle=R(0,0,0,.5+.5*S(.0002*t*(i-960)*(j-540)))
x.fillRect(i,j,20,20)}}

Sep 25 2019 4:01 AM UTC

}// 135/140

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smtsjhr

remix of d/20176 by u/smtsjhr

function u(t) {

for(c.width|=l=375;l--;)f=j=>x.fill(p=new Path2D,p.arc((l%33+j/2)*99,(l>>5)*99+j*50,80+80*S(l*C(t/99)-2*t),m=(j+1)*1.6,m+1.6)),f(1),f(-1)

Oct 4 2020 8:51 AM UTC

}// 137/140

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smtsjhr

function u(t) {

for(i=99;x.beginPath(),i--;x.fillStyle=R(w=200+(20*t-i)%55,w,w,.04),x.fill())x.arc(960+150*C(a=2.4*i)*(k=1.01**i),540+150*S(a)*k,40*k,0,7)

Sep 5 2020 7:18 AM UTC

}// 140/140

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In the Spirit World the Ghost Flower exists in a state of perpetual bloom.

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smtsjhr

remix of d/19452 by u/smtsjhr

function u(t) {

eval(unescape(escape`𢀽𞐶𜀊𬠽𚁹𛁡𛁢𚐽🡸𛡦𪑬𫁒𩑣𭀨𢀫𮐬𢀭𪐬𨐬𨠩𒡦𫱲𚁣𛡷𪑤𭁨𯀽𪐽𢀻𪠽𪐯𢀻𪐭𛐩𮱦👃𚁴𛰴𚐯𜠻𮀮𩡩𫁬𤱴𮑬𩐽𤠨𜀬𜀬𜀬𛠱𚠨𜐭𪠪𪠩𚐻𬠨𮐽𠰨𭀩𚠨𪐯𞀪𤰨𝐪𪠪𪠩𚱓𚁦𚠵𜀪𪠩𚡈𚡦𚡪𚠪𝀩𛁨🐱𜀫𛠲𚡈𚡪𚠪𝀬𞐩𞱲𚁹𛀹𛁨𚐻𬠨𮐫𪀬𞐬𪀩𯐻`.replace(/u../g,'')))

Jul 19 2020 4:51 AM UTC

}// 140/140

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SOURCE (194/140): H=960;r=(y,a,b)=>x.fillRect(H+y,H-i,a,b);for(c.width|=i=H;j=i/H;i--){f=C(t/4)/2;x.fillStyle=R(0,0,0,.1*(1-j*j));r(y=C(t)*(i/8*S(5*j*j)+S(f*50*j)*H*f*j**4),h=10+.2*H*j**4,9);r(y,9,h);r(y+h,9,h)};

u/Qwitter

Awesome: looks a bit like laminar cigarette smoke to me

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smtsjhr

function u(t) {

c.width|=0;for(i=50;i--;)for(j=i;j--;)x.fillRect(i*(s=50+45*S(t+i*t/100)),j*s,s*C(t+i/(f=2+S(t/100+i*j/1000))),s*S(t+j/f))

May 16 2020 12:56 AM UTC

}// 122/140

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