Hot dweets 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.

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

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metamero

function u(t) {

eval(unescape(escape`景爨挮睩摴桼㵫㴰ⱺ㴷㈬礽㈰㭫㰸㤵㭫⬫⥩㴨款㸵⤦㌱ⱪ㴨款㸱⤦ㄵⱰ㵺⩩ⱱ㵺⩪ⱸ⹲散琨瀫⡫☲㼴㨴㠩ⱱ⬨欦ㄿ㐸㨴⤬礬礩Ⱬ☱㼰㩩⭪☱㼰㩸⹲散琨瀬焬稬稩㭸⹦楬氨❥癥湯摤✩`.replace(/u(..)/g,"$1%")))

Dec 2 2018 4:33 PM UTC

}// 127/140

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finding new patterns with strong effects of the #enhancedcheckeredillusion [#illusion proposed by a. kitakoa in 2001, ref. bellow]

u/metamero

Kitaoka, A. (2007). Tilt illusions after Oyama (1960): A review. Japanese Psychological Research, 49, 7-19.
u/metamero

http://www.psy.ritsumei.ac.jp/~akitaoka/tilt…
u/metamero

for(c.width|=k=0,z=72,y=20;k<895;k++)i=(k>>5)&31,j=(k>>1)&15,p=z*i,q=z*j,x.rect(p+(k&2?4:48),q+(k&1?48:4),y,y),k&1?0:i+j&1?0:x.rect(p,q,z,z);x.fill('evenodd')

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metamero

function u(t) {

c.width^=0
x.font='9cm Georgia'
onkeydown=e=>k=e.keyCode//-37
x.fillText(s=k+' '+String.fromCharCode(k),100,300)
throw(s)

Dec 3 2018 7:11 PM UTC

}// 121/140

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get and print key pressed

u/metamero

#interactive

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metamero

remix of d/11278 by u/metamero

function u(t) {

onmousedown=e=>k=++k%4
t?++i:k=i=p=q=2
i%9?0:(c.width=144,k?k-1?k-2?++q:++p:q+=8:p+=15,p%=16,q%=9,r=Math.random,x.fillRect(p*9,q*9,9,9))

Dec 4 2018 3:38 PM UTC

}// 136/140

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the egg of the snake 1.2 (click)

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metamero

remix of d/11277 by u/metamero

function u(t) {

onkeydown=e=>k=e.keyCode-37
t?++i:i=p=q=0
i%9?0:(c.width=144,k?k-1?k-2?++q:++p:q+=8:p+=15,p%=16,q%=9,r=Math.random,x.fillRect(p*9,q*9,9,9))

Dec 3 2018 8:50 PM UTC

}// 139/140

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the egg of the snake 1.1

u/metamero

click on canvas, press space then fool around with arrow keys (best in fullscreen) #interactive

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metamero

remix of d/11258 by u/metamero

function u(t) {

for(w=28,h=16,s=72,i=w*h*3;i--;)p=i%w,q=((i-p)/w)%h,r=i%3,x.fillStyle=R(r-2?0:q*p*2,r-1?0:q*p*2,r?0:q*p*2),p+q&1?0:x.fillRect(p*s,q*s,s,s)

Dec 2 2018 7:25 PM UTC

}// 138/140

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triple for

u/Xen

nice

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metamero

remix of d/11273 by u/metamero

function u(t) {

t?0:m=''
c.width^=0
x.font='2cm Georgia'
onkeydown=e=>{k=e.keyCode,m+=String.fromCharCode(k)}
x.fillText(s=k+' '+m,100,300)
throw(s)

Dec 3 2018 7:15 PM UTC

}// 132/140

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TYPEWRITER

u/metamero

#interactive click on canvas and type a word

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metamero

function u(t) {

eval(unescape(escape`景爨稽㜲Ᵽ⹷楤瑨簽欽〻欼㈵㔻欫⬩漽⡲ⱳⱡ⤽㹸⹲散琨爬猬愬愩Ⱪ㵫☱㔬樽款㸴ⱪ☽ㄵⱰ㴴㈰⭺⩩ⱱ㵺⩪Ⱪ㰱㔿⠨椫権┲㼰㩯⡰ⱱⱺ⤬漨瀫⡫┲㼴㠺㐩ⱱ⬨欦㈿㐸㨴⤬㈰⤩㨰㭸⹦楬氨❥癥湯摤✩`.replace(/u(..)/g,"$1%")))

Nov 30 2018 5:59 PM UTC

}// 134/140

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#OpticalIllusion

u/katkip

#illusion cool
u/metamero

for(z=72,c.width|=k=0;k<255;k++)o=(r,s,a)=>x.rect(r,s,a,a),i=k&15,j=k>>4,j&=15,p=420+z*i,q=z*j,i<15?((i+j)%2?0:o(p,q,z),o(p+(k%2?48:4),q+(k&2?48:4),20)):0;x.fill('evenodd')
u/ceaga

kanji chester!

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metamero

remix of d/11217 by u/metamero

function u(t) {

eval(unescape(escape`景爨稽㜲Ᵽ⹷楤瑨簽欽〻欼㐴㤻⬫欩椽款㸴ⱪ㵫☱㔬瀽稪椬焽稪樭稬⠨椫権┲㽸⹲散琨瀬焬稬稩㨰⤬砮牥捴⡰⬴ⱱ⬴⭺⩃⡴⤪⨨欥㜩ⰲ〬㈰⤬砮牥捴⡰⬴㠬焫㐸⭺⩓⡴⤪⨨欥㔩ⰲ〬㈰⤻砮晩汬⠧敶敮潤搧⤻`.replace(/u(..)/g,"$1%")))

Nov 30 2018 9:17 PM UTC

}// 138/140

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#Trippy #Illusion by [metâmero]

u/metamero

for(z=72,c.width|=k=0;k<449;++k)i=k>>4,j=k&15,p=z*i,q=z*j-z,((i+j)%2?x.rect(p,q,z,z):0),x.rect(p+4,q+4+z*C(t)**(k%7),20,20),x.rect(p+48,q+48+z*S(t)**(k%5),20,20);x.fill('evenodd');
u/iverjo

#opticalillusion

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metamero

remix of d/11243 by u/wolfhammer

function u(t) {

for(w=28,h=16,s=72,i=w*h;i--;)p=i%w,q=(i-p)/w,x.fillStyle=R(0,0,q*p),p+q&1?0:x.fillRect(p*s,q*s,s,s)

Dec 2 2018 6:58 PM UTC

}// 100/140

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another double for technique

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metamero

function u(t) {

for(c.width|=k=0,z=72;k<447;k++)i=k>>4,j=k&15,i+j&1?0:x.rect(p=z*i,q=z*j,z,z)
x.fill('evenodd')

Dec 2 2018 3:47 PM UTC

}// 95/140

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double for technique i learned around here

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