Dweets awesomed by u/metamero

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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RealPeha

remix of d/16382 by u/metamero

function u(t) {

x.fillRect(~~t%22*T,~~t%12*T,T=90,T)

Oct 31 2019 8:31 AM UTC

}// 36/140

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36! But very slow

u/RealPeha

35: x.fillRect(-~t%22*T,~~t%12*T,T=90,T) by it's crazy slow :)
u/RealPeha

replace t with frame to increase speed
u/metamero

wow!! *_*
u/RealPeha

fixed 35B: x.fillRect(-~t%22*T,~~t%T*T,T=90,T)

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TotocheBro

function u(t) {

for(i=0;i<1500;
x.fillRect(i?940+i*S(F=(t/50)+i+S((t/200)*i)):0,
i?540+(1*i*C(F)+10/i):0,K=i++?S(i)*8:2000,K))
x.fillStyle=R(.25,i,i)

Oct 31 2019 6:26 AM UTC

}// 133/140

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Weeeeeooooo

u/joeytwiddle

#spiral

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robotman_

function u(t) {

c.width^=0
for(i=0;i<50;i++)for(j=-4;j<4;j++)x.fillRect(960+S(u=t-i/8)*(a=400+50*S(t*3+i)+j*30)+j*100,540+C(u)*a,8,8)

Oct 30 2019 8:46 PM UTC

}// 117/140

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Wobble tube

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁣𛡷𪑤𭁨𯀽𪰽𜰲𜀬𬱣𨑬𩐨𞐬𞐩𞱫𛐭𞱢𩑧𪑮𤁡𭁨𚁡𬡣𚀹𞐫𤰨𪠪𚠴𚐪𜐱𞐭𬠯𜰫𤰨𭀯𜰫𪠩𚠹𛀱𜰰𚱲𛰲𛐨𭀪𚀱𚱪𛰵𞐩𚱪𚐪𞐥𜐵𜀬𬠬𜀬𝰩𛁳𭁲𫱫𩐨𚐩𚑩👫𙐸𛁪👫🠾𜰬𬱴𬡯𪱥𤱴𮑬𩐽𤠨𬐽𜠰𜀭𜠵𚡩𛁱𛁱𛀮𜠩𛁲🐨𝀫𤰨𪠩𚐪𪐪𚠮𜠻`.replace(/u../g,'')))

Oct 30 2019 6:50 PM UTC

}// 140/140

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Bubbles

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KilledByAPixel

function u(t) {

for(c.width|=L=300,k=2435;k--;x.arc(982,552,(z*2-1)*(4*L-k),q=(k%L/L*8*((k/L|0)%2*2-1)+t+z)*22/7,q))z=k<4*L;x.fill()

Oct 30 2019 6:08 PM UTC

}// 116/140

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Hypnotic Spiral

u/KilledByAPixel

#illusion

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metamero

remix of d/16372 by u/metamero

function u(t) {

x.fillRect((T=-~T)%22*90,T%12*90,90,90)

Oct 30 2019 1:30 PM UTC

}// 39/140

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the credit for this mod solution is by u/New_Core i just made this slow render version to understand it

u/metamero

thank you!
u/metamero

x.fillRect((T=-~T)%32*60,T%26*60,60,60)
u/pavel

x.fillRect(60*t%22*90,60*t%12*90,90,90)
u/pavel

38: x.fillRect(t%.4*5400,60*t%14*90,90,90)

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KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👱👩🐹𝐻𪐻𪐭𝰦𙡸𛡥𫁬𪑰𬱥𚁩𛐱🰴𜀰𚱓𚁴𚐪𬐺𜱥𜰬𪐭𜐿𜰰𜀫𤰨𭀯𜰩𚡱𞠲𩐳𛁮👩🠴🱱𚰨𮠿𢐽𜐭𠰨𩰽𪐯𜐳𛐱𚐺𜀩𚠵𜀺𪐫𜐬𫠪𜐮𝐬𠰨𫐽𭀫𩰪𜠩𛰶𚰳𛁡👺🱓𚁭𚠲𚱩𛰸𚐪𢐯𝠭𜐮𝠵𞡩𚠱𛠵𝠬𨐩𚑺🐭𛑩🠱𜠻𮀮𩡩𫁬𨁥𭡥𫡯𩁤𨀻`.replace(/u../g,'')))

Oct 29 2019 10:09 PM UTC

}// 140/140

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Go fly a kite.

u/magna

Amazing!
u/katkip

awesome

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metamero

function u(t) {

for(i=999;--i;i&1&&x.fillRect(z*(i%23),z*(i/23|0),z,z))z=90

Oct 29 2019 3:37 PM UTC

}// 59/140

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59B checkered pattern ! new ultra-golf challenge ! rules proposed on discord

u/New_Core

I didnt read the rules but here is a 48B for(i=166;i--;)x.fillRect(i%24*90,i%14*90,90,90)
u/pavel

Would be good to put the rules here... Can the scale be not 90? Seems like a bad number. 120 fits nicely horizontally and vertically, I'd choose that. Or a power of two for possible bit twiddling.
u/metamero

rules of this one: - full render on first/each frame - full resolution - exact 12 squares on vertical

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keithclark

remix of d/16357 by u/pavel

function u(t) {

for(c.width=i=99;a=i-->>3;x.ellipse(50,29+a%2*39*C(t)-C(t)*19,29,29*Math.abs(S(t)),0,q=(i-a+t)%4*11/7,q))x.stroke()

Oct 29 2019 10:26 AM UTC

}// 115/140

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u/katkip

#wireframe

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KilledByAPixel

remix of d/16357 by u/pavel

function u(t) {

for(c.width=i=49;a=i-->>3;x.arc(25,9+a%2*9,9,b=(i-a+t)%4/.64,b))x.stroke()

Oct 29 2019 1:03 AM UTC

}// 74/140

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74 bytes #cube

u/tomxor

O_O

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