Dweets awesomed by u/Xen

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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rodrigo.siqueira

remix of d/33655 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()`
for(i=3e4;i--;x.fillRect(960+X/Z,560-Y/Z,.1,t<3))r=S(i*i/t)/S(i*i)**t,X=S(k=i/3)*840,Y=C(k)*830,Z=C(S(i/4))*4-.4/r

Apr 27 2025 6:27 PM UTC

}// 140/140

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Trefoil Knot emanation

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KilledByAPixel

remix of d/33656 by u/KilledByAPixel

function u(t) {

x.fillStyle=`hsl(${t*99} 99%50%`
for(i=40;i--;x.drawImage(c,X=i*55-T,Y=j%2e3-T,T,T,X+S(j),Y-j%2,T,T=700))x.fillRect(i,1079,j=i**3.1+t,1)

Apr 27 2025 4:10 PM UTC

}// 136/140

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Melt Rainbow 🌈

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KilledByAPixel

remix of d/33572 by u/KilledByAPixel

function u(t) {

x.fillStyle=t&1?'#fff':R()
for(i=40;i--;x.drawImage(c,X=i*55-T,Y=j%2e3-T,T,T,X+.5+S(j*j)|0,Y+j%3,T,T=700))x.fillRect(i,0,j=i**3.3+t|0,1)

Apr 27 2025 4:00 PM UTC

}// 136/140

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Mini Melter

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rodrigo.siqueira

remix of d/33649 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(1)`
for(i=1e4;i--;x.fillRect(960+X/Z,420-Y/Z,.1,t<3)){r=S(i*i/t)/S(i*i)
X=S(k=i/2)*840
Y=C(k)*830
Z=C(S(i/4))*4-.4/r}

Apr 25 2025 5:06 PM UTC

}// 140/140

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Dot of light

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thenize

remix of d/4938 by u/ben

function u(t) {

x.fillStyle='#47f'
x.fillRect(0,0,w=2e3,w)
for(i=1e4,x.fillStyle='#fff';i--;)x.fillRect((S(i*i)*w*w)%w,w-(b=(t*i/2+S(i)**99*w)%w),b/=29,b)

Apr 25 2025 3:26 PM UTC

}// 138/140

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avalanche

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thenize

remix of d/21071 by u/rodrigo.siqueira

function u(t) {

for(c.width|=i=q=r=s=1;i<400;x.lineTo(960+45*q+K,540+K*r+K*S(q+t*7)*60),i+=.1)r+=q*(K=30-s)/100,s+=q*r/9-s/40,q+=r-q/8;x.stroke()

Apr 25 2025 3:08 PM UTC

}// 129/140

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thought this was a cool one and just changed it up a little

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rodrigo.siqueira

remix of d/33642 by u/rodrigo.siqueira

function u(t) {

for(i=5e4;i--;x.fillRect(960+Y/Z,X/Z+540,.1,t<2))r=(z=t<.8?1/t:0)+S(i/1.6/t),X=r*C(k=i/1.4/t)*800,Y=r*S(k+k*z)*800,Z=r**S(i)*2

Apr 23 2025 11:10 PM UTC

}// 126/140

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7-circle overlay in a box

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lewdev

remix of d/33608 by u/lewdev

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡲敳整⡩㴰⤻椼㘻⥢敧楮偡瑨⡦楬汓瑹汥㴢⌢⭛≃䍃∬≆〰∬∰〰∬≆䙆≝孩㰲㽩㨲⭩┲崩ⱡ牣⡗㴴㔰ⱗⱩ㰲㽗㨲㔰⽩ⰰⱩ㰲㼳⸲㨶⸳Ⱪ⤬椫⬽㴲☦晩汬剥捴⠰ⰴ㈵ⱗ⨲ⰵ〩ⱦ楬氨⤠`.replace(/u([^D].)/g,'$1%')))

Apr 23 2025 8:00 PM UTC

}// 136/140

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#pokemon pokeball (-11b)

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Xen

remix of d/33640 by u/BriSeven

function u(t) {

for(t?C=5:a=T=225;C--;x.fillRect(T*8-t*60%T*8,(5-C)*8+(t*60/T)*60,8*(V=32085>>(a*t&1<<3|a>>A-3&7)&1),8),a=a&~(1<<A)|V<<A)C||(a>>=1),A=C*2+1

Apr 23 2025 4:16 PM UTC

}// 139/140

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Golfed to fit

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rodrigo.siqueira

remix of d/33637 by u/rodrigo.siqueira

function u(t) {

for(i=2e4;i--;x.fillRect(960+Y/Z,X/Z+590,.1,t<3))r=S(i/2/t),X=r*C(k=i/1.4/t)*940,Y=r*S(k)*940,Z=r*S(k/2)/1.5+r**S(i)*2.4

Apr 23 2025 3:01 PM UTC

}// 120/140

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3x7 double circle symmetry

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