Rotating Sierpinski! (inspired by d/438… by deltuhvee

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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deltuhvee

function u(t) {

eval(unescape(escape`𭁼𯀨𨐽𨠽𜠵𜀩𞱣𛡷𪑤𭁨🐲𩐳𞱦𫱲𚁩🐳𩐳𞱩𛐭𞰩𮱳👥🐾𝐰𜀪𤰨𭀫𩐩𚰱𩐳𞱵👥🐾𝐰𚡃𚁴𚱥𚐫𜑥𜰻𬀽𦱳𚀰𚐬𬰨𜠩𛁳𚀴𚐬𜑥𜰬𭐨𜀩𛁵𚀲𚐬𭐨𝀩𛀱𜀰𧐻𮀮𩡩𫁬𤡥𨱴𚁡🐨𬁛𭠽嵮𚁍𨑴𪀮𬡡𫡤𫱭𚀩𚠴𚑝𚱡𚐯𜠬𨠽𚁰𦱶𚰴𧐫𨠩𛰲𛀷𛀷𚑽`.replace(/u../g,'')))

Apr 9 2021 9:58 PM UTC

}// 136/140

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Rotating Sierpinski! (inspired by d/4388)

u/deltuhvee

Uncompressed: t||(a=b=250);c.width=2e3;for(i=3e3;i--;){s=e=>500*S(t+e)+1e3;u=e=>50*C(t+e)+1e3;p=[s(0),s(2),s(4),1e3,u(0),u(2),u(4),100];x.fillRect(a=(p[v=~~(Math.random()*4)]+a)/2,b=(p[v+4]+b)/2,7,7)}
u/KilledByAPixel

nice! also check out this one by pavel d/13680
u/EliteDaMyth

the uncompressed can be shortened from 186 to 184 bytes for(t||(a=b=250),c.width=2e3,i=3e3;i--;)s=e=>500*S(t+e)+1e3,u=e=>50*C(t+e)+1e3,p=[s(0),s(2),s(4),1e3,u(0),u(2),u(4),100],x.fillRect(a=(p[v=~~(4*Math.random())]+a)/2,b=(p[v+4]+b)/2,7,7)
u/EliteDaMyth

final, compressed 135 bytes eval(unescape(escape𩡯𬠨𭁼𯀨𨐽𨠽𜠵𜀩𛁣𛡷𪑤𭁨🐲𩐳𛁩🐳𩐳𞱩𛐭𞰩𬰽𩐽🠵𜀰𚡓𚁴𚱥𚐫𜑥𜰬𭐽𩐽🠵𜀪𠰨𭀫𩐩𚰱𩐳𛁰👛𬰨𜀩𛁳𚀲𚐬𬰨𝀩𛀱𩐳𛁵𚀰𚐬𭐨𜠩𛁵𚀴𚐬𜐰𜁝𛁸𛡦𪑬𫁒𩑣𭀨𨐽𚁰𦱶👾勺𝀪𣑡𭁨𛡲𨑮𩁯𫐨𚐩𧐫𨐩𛰲𛁢🐨𬁛𭠫𝁝𚱢𚐯𜠬𝰬𝰩.replace(/u../g,'')))


      u(t) is called 60 times per second.
      t: elapsed time in seconds.
      c: A 1920x1080 canvas.
      x: A 2D context for that canvas.
      S: Math.sin
      C: Math.cos
      T: Math.tan
      R: Generates rgba-strings, ex.: R(255, 255, 255, 0.5)

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