Top #OpticalIllusion dweets

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

Please log in (or register) to post a dweet (copy-paste the code somewhere safe to save it meanwhile)


    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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

show FPS hide FPS share fullscreen

metamero

remix of d/14453 by u/metamero

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱮𭀽𘠳𜠰𬁸𘁁𬡩𨑬𘁂𫁡𨱫𘠬𩡩𫁬𤱴𮑬𩐽𚁩👦𬡡𫑥𛐱𚐿𪐾𜰿𘠣𜁆𡠢𞠢𘰰𜀰𘠺𘠣𜀰𡠢𛁩𙠦𪐼𝀿𪑞𜰿𩡩𫁬𥁥𮁴𚁩𧠱🰢𩱲𩑥𫠢𞠢𪑬𫁵𬱯𬡹𘠬𞐹𛁩𚠴𜠰𚐺𬡯𭁡𭁥𚀮𝰸𝐩𞡦𪑬𫁒𩑣𭀨𪐪𜠳𛐹𞐬𛐲𩐳𛁩🰱𜰺𜡥𜰬𝁥𜰩𞱯𫡣𫁩𨱫👲𩑳𩑴`.replace(/u../g,'')))

Jun 6 2019 1:28 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

animated version of d/14453 click to reset

u/metamero

#illusion #opticalillusion behind the scenes ;)
u/DataMeta

#hiddengem

show FPS hide FPS share 1 remix fullscreen

KilledByAPixel

function u(t) {

with(x)for(c.width|=q=i=640,font='9em"',fillText('Dual Axis Rotation',400,170);i--;)beginPath(fill(arc(960+q*S(i*2),q+350*C(t+i*3),30,0,7)))

Dec 10 2019 4:50 AM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

I am in the top 10 Best Illusions of the Year! Help me win by voting at: http://illusionoftheyear.com/vote

u/katkip

i voted
u/katkip

it's a good find
u/metamero

wow! impressive. voted
u/metamero

#illusion #opticalillusion
u/KilledByAPixel

i won ;)

show FPS hide FPS share fullscreen

katkip

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𨡡𨱫𩱲𫱵𫡤👠𘰶𜀶𨀻𩠽𚁘𛁙𛁒𚐽🡻𩡯𬠨𪐽𜰻𪐭𛐻𚑸𛡢𩑧𪑮𤁡𭁨𚁸𛡦𪑬𫁓𭁹𫁥👛𘠣𩡦𜀢𛀢𘰰𜀰𘠬𘠣𩡦𩠢𧑛𪑝𚐬𮀮𩑬𫁩𬁳𩐨𦀫𤰨𪐪𜠩𚠱𝐬𦐬𜰰𛀲𜀬𤠬𜀬𝰩𛁸𛡦𪑬𫀨𚑽𞱦𫱲𚁪🐱𝀻𪠭𛐻𚑦𚀲𜀫𭀪𝀹𞐹𛁪𚠸𜀬𪠯𜰫𭀪𜰩`.replace(/uD./g,'')))

Oct 10 2019 3:04 PM UTC

}// 137/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

#opticalillusion #compressed

show FPS hide FPS share 1 remix fullscreen

DataMeta

remix of d/15839 by u/DataMeta

function u(t) {

s=C(t);c.style.background=R(g=s*255,g,g);if(t<3)for(i=1920;i--;)
x.fillStyle=R(l=i/7.5,l,l),x.fillRect(t*s>=0?1918-i:i,540-g,4,4)

Sep 29 2019 4:55 AM UTC

}// 129/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

#gradient #illusion

u/katkip

nice
u/iverjo

#opticalillusion

show FPS hide FPS share 2 remixes fullscreen

mildlybean

function u(t) {

for(i=c.width+=0;i-=10;)for(j=1080;j-=10;)x.fillRect(i+t+C(t),j+t,9,9)

Sep 9 2019 7:33 PM UTC

}// 70/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

I can't be the first person to do this

u/0x04

There is always a first time 😏
u/lionleaf

#grid Works a whole lot better in fullscreen :) Without fullscreen I'm getting aliasing effects
u/metamero

#moire #opticalillusion

show FPS hide FPS share 1 remix fullscreen

KilledByAPixel

function u(t) {

eval(unescape(escape`昽晲慭攻睩瑨⡸⥦潲⡢敧楮偡瑨⡦楬汓瑹汥㴢⌹㤹∩ⱦ楬氨慲挨昪㐸〭㜱㤬㘴〫㐳〪匨昪昩ⰲ㄰ⰰⰷ⤩Ⱪ㴹㤻椭ⴻ琦♩┲㴽春㉼籦楬汒散琨昪㐸〭㤶〬椪ㄹⱴ㼴㠰㨴攳ⰹ⤩晩汬却祬攽椦ㄿ∣〰䘢㨢⍆〰∻`.replace(/u(..)/g,"$1%")))

Jun 15 2019 3:53 PM UTC

}// 137/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

All these balls are grey! #OpticalIllusion

u/KilledByAPixel

Apparently this is called a 2 color confetti illusion with circles
u/DataMeta

#hiddengem
u/KilledByAPixel

#illusion

show FPS hide FPS share 1 remix fullscreen

metamero

remix of d/14452 by u/metamero

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱮𭀽𘠳𝠰𬁸𘁁𬡩𨑬𘁂𫁡𨱫𘠬𩡩𫁬𤱴𮑬𩐽𚁩👦𬡡𫑥𛐱𚐿𪐾𜰿𘠣𡡆𡠢𞠢𘰵𝐵𘠺𘠣𜀰𡠢𛁩𙠦𪐼𝀿𪑞𜰿𩡩𫁬𥁥𮁴𚁩𧠱🰢𮑥𫁬𫱷𘠺𘡩𫁬𭑳𫱲𮐢𛀹𞐬𪐪𝀲𜀩𞡲𫱴𨑴𩐨𛠸𚐺𩡩𫁬𤡥𨱴𚁩𚠱𞐭𝠹𛀭𜡥𜰬𪐿𜐳𞠳𩐳𛀴𩐳𚐻𫱮𨱬𪑣𪰽𬡥𬱥𭀻`.replace(/u../g,'')))

Jun 5 2019 10:19 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

animated version of d/14452 click to reset

u/metamero

#illusion #opticalillusion behind the scenes ;)
u/Xen

at first i was ok, but then i started screaming "I STILL SEE YOU!", and thats how it happened....
u/joeytwiddle

Very convincing illusion!

show FPS hide FPS share fullscreen

metamero

function u(t) {

eval(unescape(escape`𡠽𩀽🡻𭱩𭁨𚁸𚑦𫱲𚁩🐶𝀻𪐭𛐻𩡩𫁬𚁐👮𩑷𘁐𨑴𪀲𡀬𩀿𤀮𨑲𨰨𞐶𜀫𚀨𪐾🠳𚐭𜰮𝐩𚡤𛀵𝀰𚰨𪐥𞀭𜰮𝐩𚡤𛀴𜠬𜀬𝰩𞡐𛡲𩑣𭀨𜀬𜀬𜡥𜰬𜡥𜰩𚐩𩡩𫁬𤱴𮑬𩐽𩀿𩀦𜐿𤠨𜀬𜀬𜀬𛠳𚐺𤠨𜐹𞐬𜐹𝰬𞀸𚐺𤠨𞐱𛀸𞀬𜠵𝐩𯐻𡠨𜀩𞱆𚀱𜠰𚐻𡠨𜐱𝐩`.replace(/u../g,'')))

May 20 2019 7:08 PM UTC

}// 138/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

attempt to reproduce another #opticalillusion by prof. Akiyoshi Kitaoka (image appears to contract)

u/metamero

uncompressed: F=d=>{with(x)for(i=64;i--;fill(P=new Path2D,d?P.arc(960+((i>>3)-3.5)*d,540+(i%8-3.5)*d,42,0,7):P.rect(0,0,2e3,2e3)))fillStyle=d?d&1?R(0,0,0,.3):R(199,197,88):R(91,88,255)};F(0);F(120);F(115)
u/pavel

147 with(x)for(d of[0,120,115])for(i=64;i--;fill(arc(960+((i>>3)-3.5)*d,540+(i%8-3.5)*d,d?42:2e3,0,7)))beginPath(fillStyle=d?d&1?'#0005':'#CC5':'#55F')
u/Xen

niice

show FPS hide FPS share 2 remixes fullscreen

DataMeta

function u(t) {

j=t*1920,x.fillRect(j%1920,j%1080,k=51,k)

May 7 2019 1:43 AM UTC

}// 41/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

#opticalillusion

u/metamero

#CafeWallIllusion
u/Xen

love it!

show FPS hide FPS share 1 remix fullscreen

pythech

remix of d/8454 by u/pythech

function u(t) {

with(x)for(i=200;i--;fillRect(i*9,!fillText("💧",i%9*200,i*30),9,2e3))fillStyle=`hsl(193,80%,${Math.abs((i+t*60)%62-31)*2.8}%)`,font="9em x"

Jun 6 2018 8:15 PM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

does it move?

u/pythech

optical illusion, stare at it for 10 seconds
u/iverjo

#opticalillusion

dwitter.net | #OpticalIllusion