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.

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Current theme challenge: #Food

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smtsjhr

function u(t) {

c.width=1920;
s=.001*t+3;
x.beginPath(); 
for(i=0;i<200;i++){
k=2000*.999**i;
x.lineTo(960+k*S(i*s),540+k*C(i*s));}
x.fill('evenodd');

Sep 4 2019 9:22 AM UTC

}// 135/140

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Liner Eclipse (2-colored)

u/smtsjhr

best viewed in fullscreen

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smtsjhr

remix of d/21499 by u/smtsjhr

function u(t) {

c.style.filter='invert()blur(5px)';for(c.width|=i=1e3;i--;){x.lineTo(960+400*S(i),540+400*C(i+t*T(t/10)))}x.stroke(); console.log(t)

Jan 31 2021 5:20 AM UTC

}// 132/140

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You won't believe your eyes when you watch this loop starts to wobble faster and faster!

u/smtsjhr

**FLASH / STROBE WARNING**

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smtsjhr

function u(t) {

c.width|=0
x.font='350pt F'
x.fillText(`🦉 🍭${t/2|0}`,100,800)
x.fillStyle='#ff69b4'
x.fillRect(390,500,320*C(Math.PI*t/2)**2,30)

Jan 29 2021 8:24 PM UTC

}// 128/140

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How many licks does it take? #candy

u/smtsjhr

a dumb idea that i think is a good idea. (**only tested with Apple "owl" and "lollipop" emoji**)
u/smtsjhr

boo it seems the tounge needs realigning on iOS

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smtsjhr

function u(t) {

c.width|=0,m=0|(4+100*S(t/4)**2),s=1920/m;for(k=m*m;a=[u=k%m*s,v=(k/m|0)*s,s,s],l=v-T(t)*(u-960)-540+2*s,k--;)s<l&&l<2*s?x.fillRect(...a):0

Oct 19 2020 6:43 AM UTC

}// 139/140

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how do you render a straight line?

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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%32+j*1.5-1)*99,(l>>5)*99,80+20*S(5*l+l%7+2*t),m=(j+2)*1.6,m+2+C(t/9))),f(0),f(1)

Oct 5 2020 10:23 AM UTC

}// 139/140

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smtsjhr

remix of d/19956 by u/Xen

function u(t) {

t/=15
with(x)for(strokeStyle="#FFF",i=200;lineWidth=r=1.03**(200-i),i--;stroke())beginPath(fill()),arc(960+9*r*S(a=i*t),540+9*r*C(a),r,0,7)

Sep 22 2020 9:28 PM UTC

}// 139/140

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try changing t/=15 to t/=20 for something tamer, or to t/=10 to get wilder

u/Xen

oosh!

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smtsjhr

function u(t) {

for(c.width|=i=11;i--;x.fill()){
x.arc(X=210+150*i,540-(b=1500*(u=((5-i>0?5-i:i-5)/10+1)*t%1)*(1-u)),40,0,7)
x.rect(X-30,580,60,5*b)}

May 23 2020 8:46 AM UTC

}// 133/140

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inspired by @jezzamonn on Twitter (with a "T") https://twitter.com/jezzamonn/status/1261311…

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smtsjhr

function u(t) {

x.font='400px monospace'
for(i=0;i<5;i++){p=1000-i*90*(1+S(t))
x.fillText('⬜⬜⬜⬜⬜',0,p)
x.fillText('LAYERS',230,p)}

May 18 2020 11:37 PM UTC

}// 114/140

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LAYERS

u/smtsjhr

ok maybe boring i know but my eyes need rest from all the wild movement and flashing i willingly subject myself too

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smtsjhr

function u(t) {

c.width=1920;h=540;r=1;
s=.0001*t+1;
x.beginPath(); 
for(i=0;i<1000;i++)
x.lineTo(960-960*r**i*S(i*s),h+h*r**i*C(i/s));
x.stroke();

Sep 4 2019 5:13 AM UTC

}// 132/140

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line static tv

u/smtsjhr

best viewed in fullscreen
u/initramfs

i used to draw these lines all the time on paper.

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smtsjhr

function u(t) {

c.width|=W=960
for(i=H=1080;i--;){f=C(u=t/8)/2+S(u/9)/4;y=C(2*u)*(i/8*S(5*(j=i/H)*j)+S(f*50*j)*W*f*j**4);x.fillRect(W+y,H-i,20+.2*H*j**4,1)}

Jul 19 2020 3:28 AM UTC

}// 140/140

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WhispyWave

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