Top dweets by u/atgz

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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atgz

remix of d/10193 by u/ellisk1

function u(t) {

eval(unescape(escape`挮睩摴桼㵱㴮㈹㤲㭸⹴牡湳污瑥⠹㘰ⰵ㐰⤻景爨椽〻椼㌲㤻椫⬩砮牯瑡瑥⡱⬨椥㈲㼰㩱⼲⤫⡩㰱⤪琩ⱸ⹦楬汓瑹汥㵒⠨愽⠨椯㈲簰⭴⼹㤩⬲⩴⤥ㄵ⨲〩ⱃ⡡⼴⤪㈵〬愪愯㄰〩ⱸ⹦楬汒散琨愬愬眽愪⨮㜵ⱷ⤻`.replace(/u(..)/g,"$1%")))

Oct 4 2018 9:04 AM UTC

}// 138/140

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atgz

remix of d/10202 by u/katkip

function u(t) {

c.style.background=R();c.width^=0;x.lineWidth=(.5+C(t*4)/2)*25;x.strokeStyle=R(99,0,99);x.font='18cm"';x.strokeText('🍆',530,740)

Oct 2 2018 2:04 PM UTC

}// 128/140

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u/donbright

well, that certainly is a large eggplant

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atgz

remix of d/9485 by u/DataMeta

function u(t) {

v=Math.abs;for(c.width|=i=300;i--;)
x.ellipse(960+C(t)*150,b=540+S(t)*150,b**v(C(i--+t)),b**v(S(i)/1.1),t,-i,7);x.stroke();

Aug 28 2018 3:01 PM UTC

}// 123/140

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atgz

remix of d/8889 by u/atgz

function u(t) {

for(c.width|=i=256;i--;k=i%44,k==4|k==29|k==10?x.fillStyle='red':x.fillStyle=R())x.fillRect(960+2*i*C(t--+i*.999),512+S(t---i)*i*2,i/9,i/9)

Jul 19 2018 9:56 AM UTC

}// 139/140

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atgz

remix of d/8890 by u/atgz

function u(t) {

for(c.width|=i=256;i--;)x.fillRect(960+2*i*C(t--+i*.979),512+S(t---i-t)*i*2,i/9,i/9)

Jul 18 2018 8:49 PM UTC

}// 85/140

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made it colorless so that it's easier to notice the bistable perception

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atgz

remix of d/8888 by u/atgz

function u(t) {

for(c.width|=i=256;i--;){
x.fillRect(960+2*i*C(t--+i*.979),512+S(t---i-t-t---t---t)*i*2,i/9,i/9)
}

Jul 18 2018 8:13 PM UTC

}// 98/140

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atgz

remix of d/16188 by u/RealPeha

function u(t) {

for(c.width=999,c.q+=.1,onmousemove=i=>(c.q=0,T=i.pageY),i=0;i<50;i++)x.strokeRect(r=99,h=i*5-2**-c.q*C(c.q)*r/T*i,9,9);x.fillRect(55,h,r,r)

Oct 20 2019 12:47 AM UTC

}// 140/140

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I guess I fixed the error

u/RealPeha

You are just amazing! You just replace the var f with T? 😯
u/RealPeha

it's a cool hack)

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atgz

remix of d/10010 by u/atgz

function u(t) {

c.width|=i=768;x.transform(1,0,0,1,960,540)
for(i;i--;x.rotate(t/64))x.fillRect(i-=3,i,i/8,i)
x.font=`5em"`
x.fillText((70-t|0)%60,-15,35)

Aug 29 2019 8:15 AM UTC

}// 138/140

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Make this dweet fullscreen, wait for counter to go from 10 to 0, then focus your eyes on the number counting from 60. When the counter goes down to 0, look off from your screen and you will be disoriented

u/joeytwiddle

#illusion

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atgz

remix of d/10178 by u/prplz

function u(t) {

x.strokeStyle=R(S(t/1.5)*255,S(t*3.14)*255,3e4),x.strokeRect(t*=40,t,T(t)*64,T(t+11)*64)

Oct 2 2018 1:40 PM UTC

}// 88/140

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atgz

remix of d/9723 by u/DataMeta

function u(t) {

c.width|=i=768;x.transform(1,0,0,1,960,540)
for(i;i--;x.rotate(t/64))x.fillRect(i--,i--,i--/8,i)

Sep 22 2018 6:07 AM UTC

}// 96/140

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focus on the middle for a minute then look elsewhere on the screen #illusion

u/joeytwiddle

Fast and funky version: t*=9;c.width|=i=768

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