Dweets awesomed by u/neimad

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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KilledByAPixel

remix of d/16862 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𪐽𞐹𝠻𭱩𭁨𚁸𚑦𫱲𚁳𩑴𥁲𨑮𬱦𫱲𫐨𜐬𜀬𜀬𜐬𚁴𚠽𝰲𝰰𚐥𜡥𜰬𭀯𜐶𚐻𪐭𛐻𬡥𬱴𫱲𩐨𩡩𫁬𤡥𨱴𚀰𛁓𚁪𚡪𚱴𚐪𜰹𛁪𛁪𛰲𞐩𚐩𬱡𭡥𚀩𛁳𨱡𫁥𚀡𬡯𭁡𭁥𚀨𜐫𪐫𪐥𜠩𚠮𝐲𜰶𚐬𪐥𜠪𜠭𜐩𛁲𫱴𨑴𩐨𪠽𪐯𜐲𯁣𫁩𬀨𫡥𭰠𤁡𭁨𜡄𚀧𫐰𘀰𭠵𜁨𜠹𙰩𚐩`.replace(/u../g,'')))

Dec 6 2020 4:02 AM UTC

}// 140/140

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#snowflake designs

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rodrigo.siqueira

remix of d/20922 by u/rodrigo.siqueira

function u(t) {

for(i=1080;i--;x.fillRect(0,i,1+i/t,1))Y=i/230,
h=300*S(Y%S(m=t/9%S(p=C(q=Y*S(Y/3-S(t)/3))))),
x.fillStyle=R(h*q,h*m,h*p)
x.drawImage(c,1,0)

Dec 5 2020 7:13 PM UTC

}// 140/140

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Variation of the scrolling version by u/danny@hille.dk

u/danny@hille.dk

Freaking Awesome
u/danny@hille.dk

I love the way it starts

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danny@hille.dk

remix of d/20922 by u/rodrigo.siqueira

function u(t) {

for(z=i=1080;i--;x.fillRect(1918,i,2,1))Y=i/199,h=355*S(Y%S(m=t/4%S(p=C(q=Y*S(Y/9-S(t)/6))))),x.fillStyle=R(m*h,h**m,h)
x.drawImage(c,-2,0)

Dec 5 2020 5:17 PM UTC

}// 139/140

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Wrath of poseidon remix

u/Xen

nice style!!!!!

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rodrigo.siqueira

remix of d/20918 by u/rodrigo.siqueira

function u(t) {

for(i=1080;i--;x.fillRect(120*t,i,2,1))
Y=i/230,
h=300*S(Y%S(m=(t+5)/4%S(p=C(q=Y*S(Y/3-S(t)/3))*2))),
x.fillStyle=R(h*q,h*m,h*p)

Dec 5 2020 2:46 PM UTC

}// 128/140

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Waves of metallic fire and water colors

u/danny@hille.dk

Beautiful
u/danny@hille.dk

Scrolling version for(i=1080;i--;x.fillRect(0,i,2,1)) Y=i/230, h=300*S(Y%S(m=t*2/4%S(p=C(q=Y*S(Y/3-S(t)/3))))), x.fillStyle=R(h*q,h*m,h*p) x.drawImage(c,2,0)
u/Xen

love it
u/donbright

awesome, really new direction

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pavel

function u(t) {

for(i=c.width|=0;i--;x.fillRect(X,540+200*C(a),-150,7))X=i%960*2,x.fillStyle=`hsl(${q=X/8+60*t},69%,${42+32*S(a=(q/32%1+(i>960))/.32)}%`

Dec 4 2020 8:45 PM UTC

}// 136/140

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Ribbons

u/pavel

Dynamically swapping the draw order to get proper overlapping. Change i>960 to 1 or 0 to see how this works.
u/Qwitter

cool, and thanks!

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rodrigo.siqueira

remix of d/20913 by u/rodrigo.siqueira

function u(t) {

for(i=996;i--;x.fillRect(250*X,250*Y,2e3,1))X=t/3,Y=i/230,h=300*S(Y%S(m=X/2%S(p=C(q=Y*S(X*3+Y))*2))),x.fillStyle=R(h*p,h*m,h*q)

Dec 4 2020 5:54 PM UTC

}// 127/140

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Metallic Colors

u/danny@hille.dk

Excellent reveal
u/taupelink

Double-whoa!

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Lynx

function u(t) {

for(i=0;i<100;x.fillStyle=R(127,++i*2,i)){y=540+0.5*7.5*t*t*(i%2?-1:1);x.fillRect(i*7.5*t,y,20,20)
x.fillRect(1920-i*7.5*t,y,20,20)}

Dec 4 2020 2:38 PM UTC

}// 132/140

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fun with physics formulas (newbie to dwitter)

u/joeytwiddle

When you pop into the supermarket because you need two eggs

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rodrigo.siqueira

remix of d/20902 by u/taupelink

function u(t) {

for(i=996;i--;x.fillRect(250*X,250*Y,2e3,1))X=t/2,Y=i/230,h=300*S(Y%S(m=X/2%S(p=C(q=Y*S(X/3))*2)*2+T(i*i**t)/6)),x.fillStyle=R(h*p,h*m,h*q)

Dec 4 2020 5:29 AM UTC

}// 139/140

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Noisy signal

u/taupelink

whoa
u/magna

WOWZA!
u/SMON

haha...not sure why - I guess aliasing - but it sparkles when I scroll :D

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pavel

remix of d/20898 by u/cantelope

function u(t) {

for(c.width=i=640;i--;T=!T&&!x.beginPath(x.stroke()))j=i/16-T*i&30,r=(j+4)/12<<6,x.arc(320+r*C(a=j/1.91+t),180+r*S(a),i&30?0:32,0,7)

Dec 4 2020 3:01 AM UTC

}// 132/140

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Metatron's Cube

Show more comments…
u/pavel

Golfed this one a little bit :) #symmetry
u/pavel

i=[4 bits for start circle index][4 bits for end circle index offset from start circle][1 bit to decide start vs end]
u/pavel

That's 2**9=512 which is too small for power-of-two circle sizes but start clicle index wraps around so larger i is only redundant.
u/pavel

end-circle-offset == 0 is easy to check and means start and end are same circle, so draw that circle.
u/pavel

Otherwise draw the current circle with radius 0 which is same as lineTo.
u/pavel

T=!T&&!x.beginPath(x.stroke()) starts/strokes the path every two circles.
u/pavel

Here is a version before all the bit hacking for(c.width=640,i=16;i--;)for(j=16;j--;x.beginPath(x.stroke()))for(k=2;k--;)q=(i+j*k)%16,r=((q+2)/6|0)*64,x.arc(320+r*C(a=Math.PI/3*q+t),180+r*S(a),!j*32,0,7)

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MrHaila

remix of d/20909 by u/MrHaila

function u(t) {

c.width^=0
for(i=0;i<20;i++){
o=S(S(t*(i+1))*(S(t)-0.5))*440
q=i*98
e=i*2.5
x.fillRect(q,400,50,200+o+e)
x.fillRect(q,700+o-e,50,200-o+e)
}

Dec 3 2020 10:16 PM UTC

}// 139/140

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u/magna

Fun!
u/Odog8

#default

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