Top dweets by u/BriSeven

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: #Opposites

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BriSeven

function u(t) {

r=Math.random;for(i=0;i<1080;i++)
x.fillStyle=R((d=119*(i/68|0))%256,d/1.4%256,d/7%256),
x.fillRect((r()*1080&i)-(i/2)+1920/2,i*.9,2,2)

Dec 22 2016 3:00 AM UTC

}// 135/140

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In case you're looking at this and wondering where the Sierpinsky pattern is coming from, it's here: &i

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BriSeven

remix of d/518 by u/BriSeven

function u(t) {

if(!t)X=[];s=2e3;m=100;i=s;while(i)o=X[i],X[i]=(o+Math.random()*80-40)%s||5e2, x.fillStyle=R(S(t)*m+m,0,0,1),x.fillRect(o,X[--i],5,5)

Dec 19 2016 12:50 PM UTC

}// 133/140

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hey lionleaf, dates are a bit funny. this is the last one i did after all the others but appears here chronologically before all the others.

u/BriSeven

no. wait. i was just looking at the hot section and not the new section
u/lionleaf

:)

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BriSeven

remix of d/28578 by u/BriSeven

function u(t) {

c.width*=1
c.style.filter="blur(9px) contrast(100"
b=(p)=>x.fillRect(i*p-((t%1)*p/100)*100,0,p/5,p*t)
for(i=0;i<90;i++)[73,135,137].map(b)

Oct 31 2023 2:56 AM UTC

}// 138/140

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Ooze

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BriSeven

remix of d/28572 by u/BriSeven

function u(t) {

c.width*=1
c.style.filter="blur(9px) contrast(100"
b=(p)=>x.fillRect(i*p+S(t*p/100)*100,400,p/5,p*5)
for(i=0;i<90;i++)[3,7,31,73,137].map(b)

Sep 30 2023 6:27 AM UTC

}// 140/140

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inverted flames

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BriSeven

function u(t) {

x.fillRect(frame,0,t/32,1080)

Jan 31 2022 1:17 AM UTC

}// 30/140

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Just a simple gradient

u/BriSeven

Just 3 simple gradients
u/BriSeven

Haha I'm such a doofus

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BriSeven

function u(t) {

c.width|=0
for(i=0,X=0,Y=0,s=32;i<1024;i++,X=(i%s),Y=(i/s|0))
x.fillRect(X*s*2,Y*s+S(i/6+t*5)*s,s*2,s)

Jan 29 2022 2:53 AM UTC

}// 102/140

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optical illusion conveying movement where there isn't.

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BriSeven

remix of d/21867 by u/intrinsic

function u(t) {

x.fillStyle=R((s=300)-S(t)*s,s-C(t)*s,s)
for(i=1e3,z=960,y=540,d=0;i--;d+=S(i|1e3|i/s|i/40)+S(t/99))
  x.fillRect(z+=C(d)*4,y+=S(d)*4,4,4)

Dec 14 2021 6:29 AM UTC

}// 138/140

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Shwoosh

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BriSeven

remix of d/11545 by u/ersagun

function u(t) {

d=C(t)*3.14;r=300*S(t*301);x.fillRect(r*C(d)+960,r*S(d)+540,8,8)

Apr 22 2020 1:12 AM UTC

}// 64/140

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this will probably be a circle eventually

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BriSeven

remix of d/18172 by u/BriSeven

function u(t) {

s=30,c=240
for(i=0;i<64;i++)for(j=0;j<36;j++)
x.fillStyle=R(((n=i^j)<(S(t)+1)*s)*c,(n<(C(t)+1)*s)*c,0),
x.fillRect(i*s,j*s,s,s)

Apr 7 2020 5:54 AM UTC

}// 128/140

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plot the XOR binary operator with a "circular" polarizing effect.

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BriSeven

remix of d/18155 by u/BriSeven

function u(t) {

c.width*=1
for(i=64;i--;)x.setTransform(C(t)*2,S(t),-S(t)*2,C(t),950,90+i*5),x.fillStyle=R(i*5),x.fillRect(d=C(i/20)*30,0,-d+30,d+40)

Apr 6 2020 4:50 AM UTC

}// 133/140

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A 'spritestack' but it's rectangles.

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