Top dweets by u/andrea270872

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: #Opposites

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andrea270872

remix of d/23050 by u/andrea270872

function u(t) {

c.width|=f=n=>{x.fillStyle=R(250,K=S(t)**2*99+n/4,50);n>1?x.fillRect(500-n/2+S(n)*3,n-C(n)*3,n,n)+f(n-(5+t%3)**2):0}
f(256)

Jun 8 2021 9:54 AM UTC

}// 123/140

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andrea270872

remix of d/22743 by u/andrea270872

function u(t) {

c.width|=A=.3
x.fillStyle="#AAC3"
x.translate(K=650,K)
F=n=>n&&x.transform(C(A)+.1,K=S(A),-K,C(A),0,0)|x.fillRect(C(t)*4,0,7,9)|F(n-1)
F(82)

May 13 2021 1:41 PM UTC

}// 140/140

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#seashell pulsating and uncompressed

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andrea270872

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👁🐮𜰯𠰨𭀥𞐯𞐩𒡸𛡴𬡡𫡳𫁡𭁥𚀱𩐳𚱃𚁴𚐪𝀰𜀬𝠵𜀫𤰨𭀩𚠱𞀰𚐊𮀮𩡩𫁬𤱴𮑬𩐽𘠣𠑁𠰳𘠊𩡯𬠨𪐽𞀲𞱩𛐭𞱸𛡴𬡡𫡳𩡯𬡭𚁃𚁁𚐫𛠱𛁓𚁁𚐬𛑓𚁁𚐬𠰨𠐩𛀰𛀰𚐩𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛀹𛀹𚐠`.replace(/u../g,'')))

May 10 2021 9:39 PM UTC

}// 121/140

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#seashell floating in the sea

u/andrea270872

c.width|=A=.3/C(t%9/9) x.translate(1e3+C(t)*400,650+S(t)*180) x.fillStyle="#AAC3" for(i=82;i--;x.transform(C(A)+.1,S(A),-S(A),C(A),0,0))x.fillRect(0,0,9,9)

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andrea270872

function u(t) {

t?(t/2>u.a.length?u.a=[1,...u.a.map((n,i)=>u.a[i]+u.a[i+1]||1)]:0):u.a=[1,1]
throw u.a

Feb 1 2021 4:50 PM UTC

}// 86/140

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Pascal's triangle, nice and slow

u/Xen

nicely done!
u/andrea270872

thanks ;)

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andrea270872

function u(t) {

a=t%1*2e3
b=(20*~~t)%1e3
x.fillStyle=R(C(a)*S(b)*80+80,160,0)
x.fillRect(a,b,35,20)

Oct 20 2020 2:49 PM UTC

}// 83/140

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just testing some ideas on the theme "what can I do without loops?"

u/solendil

#noloop

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andrea270872

function u(t) {

c.width|=K=31
u=t%9-4
v=t-4
for(i=K;i--;)for(j=K;j--;)x.fillStyle=R(70*C(B=44/7*(t*i/K+(t%9)*j/K))**2-S(B)**2),x.fillRect(2*i*K,j*K,2*K,K)

May 24 2020 9:37 PM UTC

}// 138/140

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panning thru 2D DFT, in colors

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andrea270872

remix of d/18873 by u/rodrigo.siqueira

function u(t) {

if(!t){for(n=84;n-=r=i=1/32;document.write(n%3?k:" "))for(k=21;--k/r;i=t)t=2*r*i+1-n/42,r=r*r-i*i+1-n%3
document.body.style.fontSize=".5em"}

May 19 2020 9:12 PM UTC

}// 140/140

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Smaller is cuter! Just a silly remix of the original by #rodrigo.siqueira

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andrea270872

function u(t) {

c.width|=B=1/(~~t%40+1.5)
for(A=[],i=40;i-->0;)A.push(B*500+i*29,(B=2*B%1)*1e3)
x.fillStyle='#A'+(9*~~t%40+10)
x.fill(new Path2D(`M${A}`))

Feb 16 2020 8:48 PM UTC

}// 138/140

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Abstract Art

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andrea270872

function u(t) {

c.width|=B=1/(~~t%40+1.5)
for(A=[],i=40;i-->0;)A.push(B*2e3,(B=2*B%1)*1e3)
x.fillStyle='#A'+(9*~~t%40+10)
x.fill(new Path2D(`M${A}`))

Feb 16 2020 8:48 PM UTC

}// 133/140

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Space message from the 80s

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andrea270872

function u(t) {

eval(unescape(escape(`挮睩摴栽㠰ぼ砮扥杩湐慴栨伽嬲㜬㈹ⰲ〬㈳ⰲ㤬㌸ⰳ㤬㐰ⰴ㉝⹳潲琨渽㹓⡮⩾繴⤩⤻景爨椠楮⁏⥸⹬楮敔漨堽佛楝┹⨹㤫吨椩⨹ⱙ㵾繏孩崪㤫吨椩⨹⤬砮晩汬剥捴⡘ⴴⱙⴴⰹⰹ⤻砮獴牯步⠩`).replace(/u(..)/g,'$1%')))

Feb 12 2020 7:01 PM UTC

}// 133/140

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(fixed) sorry.

u/andrea270872

Constellation generator #compressed

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