Dweets awesomed by u/KilledByAPixel

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.

Theme challenge of the month: #time

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lewdev

function u(t) {

for(c.width=1920,x.font="200px s",i=0;i<80;i++)y=i%4,m=y==1||y==2,x.fillText(m?"🚘":"🏠",120+y*500,(m?0:-2e3)+500*(m?-t:t)%2e3+i*(m?100:50));

Jul 30 2021 9:21 PM UTC

}// 139/140

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🚘 Cars driving through town. My first dweet!

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danny@hille.dk

remix of d/23442 by u/danny@hille.dk

function u(t) {

for(c.width=w=256,d=new ImageData(w,w),m=w*w,i=-1;m--;)r=((X=m%w-128)*X+(Y=m/w-166)*Y)/512,d.data[i+=4]=T(t+Y/r|X/r)*w
x.putImageData(d,0,0)

Jul 30 2021 6:43 PM UTC

}// 140/140

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Centred, slightly better performance and resolution, animating... but black/white

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rodrigo.siqueira

remix of d/23430 by u/rodrigo.siqueira

function u(t) {

for(Y=t/9-1,i=2e3;i--;x.fillRect(i,60*t,1,1))r=((X=i/540-1.8)*X+Y*Y)/30,x.fillStyle=`hsl(${(K=T(Y/r|X/r)*2)*6+i/6},59%,${99*S(K*3)**4}%`

Jul 29 2021 2:59 PM UTC

}// 136/140

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Inverted #sierpinski color remix 2

u/taupelink

wow!!
u/danny@hille.dk

Nice!

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KilledByAPixel

remix of d/23418 by u/KilledByAPixel

function u(t) {

c.width|=A=Math.abs
for(i=w=98;i--;x.rect(T*i+25,A(T*i-951)+1e3*((t+i/2)%1-.5)**2,T=49,T))x.rect(q=w*(i+t%1-1),300+A(q-951),w,-2e3)
x.fill()

Jul 29 2021 4:10 AM UTC

}// 140/140

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The March of Progress ▲

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KilledByAPixel

remix of d/23416 by u/KilledByAPixel

function u(t) {

c.width|=A=Math.abs
for(i=w=99;i--;x.arc(q=i*88,A(q-1e3)+800*((t-i/9+w)%1-.5)**2,30,0,9))x.rect(q=w*(i-t%1)-50,230+A(q-950),w,2e3)
x.fill()

Jul 28 2021 5:56 PM UTC

}// 139/140

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Bouncy Mountain ⛰️

u/katkip

interesting

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mxfh

remix of d/676 by u/mxfh

function u(t) {

for(d=new ImageData(i=w=c.width=256,w),I=-1;i--;)for(j=w;j--;)d.data[I+=4]=(i-j&i+j)*t%w
x.putImageData(d,0,0)

Jul 28 2021 4:55 PM UTC

}// 110/140

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-19 new space for stuff.

u/Xen

I=3?
u/mxfh

@Xen if you can live with that static line on the left then.

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KilledByAPixel

function u(t) {

c.width|=r=200
for(i=7;j=i--/6;x.arc(320+(a=r*(i-j)),a-90+(((t-j+r)%1-.5)**2)*1e3,40,0,9))x.rect(r+(a=r*(i-t%1)),a,1e4,r)
x.fill`evenodd`

Jul 28 2021 4:04 AM UTC

}// 137/140

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Bounce Down ⚪

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tomxor

remix of d/23413 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𭀿𭰽𨰮𭱩𩁴𪀦👩🐸𜰲𜀺𠐽𠠽𥐽𥠽𜀻𪐭𛐻𪰽𤰦𤠼𝐿𛠱𜠵𛑒𛰴𜀺𜀬𥐭👫𚡡𛁖𛐽𪰪𨠩𮀮𩡩𫁬𤡥𨱴𚁘👩𙑷𛁙👩𛱷𛀱𛁓𯁒🀵𚐬𤰽𥀨𥀨𠰨𦀯𜐰𚐪𠰨𦐯𞐫𭀩𚐩🁙𛰹𛐳𚰳𚡃𚁴𚐬𤠽𣑡𭁨𛡨𮑰𫱴𚁡👘𛑁𛁢👙𛑂𚐻𠐫👕𚱷𛁂𚰽𥠪🐮𞐬𠐥👷𛁖𚰽𛠱`.replace(/u../g,'')))

Jul 28 2021 12:57 AM UTC

}// 140/140

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"This Thing" Capturing a Marble #Physics

u/magna

!!!
u/katkip

OMG

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tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𭀿𭰽𨰮𭱩𩁴𪀦👩🐸𜰲𜀺𚁁👂🐸𛁕👖🐰𚐻𪐭𛐻𪰽𥀦𤠼𝐿𛠲𝐭𤠯𜠰𞠰𛁕𛐽𪰪𨐬𥠭👫𚡢𚑸𛡦𪑬𫁒𩑣𭀨𦀽𪐥𭰬𦐽𪐯𭰬𜐬𥁼𤠼𝐩𛁔👓𚁘𛰶𚐫𠰨𦐯𝠩𚱙𛰶🠸𛁒👍𨑴𪀮𪁹𬁯𭀨𨐽𦀭𠐬𨠽𦐭𠠩𞱁𚰽𥐬𠠫👖𛁁𚰽𭰬𠐥👷𛁖𚰽𛠱𜠵`.replace(/u../g,'')))

Jul 28 2021 12:08 AM UTC

}// 134/140

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Impossible Marble #Physics

u/tomxor

Inspired by d/23398. Uses raster/2d-voxel based intersection
u/Xen

love it!
u/magna

HOW?!
u/katkip

how

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danny@hille.dk

remix of d/23402 by u/ArthurThuczsec

function u(t) {

for(Y=t/9-1,i=2e3;i--;x.fillRect(i,60*t,1,.5))r=((X=i/540-1.8)*X+Y*Y)/99,x.fillStyle=`hsl(${S(X/r&Y/r)*240},99%,${90-r*2e3}%`

Jul 27 2021 6:01 PM UTC

}// 125/140

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u/Xen wanted colors remix

u/Xen

nicely done!

dwitter.net | KilledByAPixel (41630)