Top dweets by u/ersagun

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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ersagun

remix of d/18449 by u/ersagun

function u(t) {

t?x.rotate(Math.PI*(5**.5-1),x.fillRect(0,0,.5,399)):x.translate(960,540)

Jun 6 2020 7:49 AM UTC

}// 73/140

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ersagun

function u(t) {

with(Math)t?x.lineTo(X+=n(),Y+=n()):X=Y=540,n=()=>9*(-2*log(random()))**.5*C(random()*2*PI);x.stroke()

Apr 23 2020 1:18 PM UTC

}// 102/140

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normal random walk

u/Xen

you dont need to eat a full Pi unless you wanna tackle the entire universe ;-)

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ersagun

function u(t) {

c.width|=0
for(i=3e3;i--;)x.fillRect((C(l=i*(b=Math.PI*2/((t&14)+3)))-(v=2*C(b/4))*C(u=S(i*i)*b/4+l))*300+500,(S(l)-v*S(u))*300+500,3,3)

Apr 21 2020 6:44 PM UTC

}// 136/140

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Constant width

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ersagun

function u(t) {

eval(unescape(escape`挮睩摴桼㴰㭔㵴⼳☷㭦潲⡺㵍慴栮偉⨲㭺㸰㬩椽匨吪稩⭓⡔⩺⭺⬳⸱㐩⨲ⱪ㵃⡔⩺⤫䌨吪稫稩⨲Ⱬ㴭匨㈪吪稫稩ⱬ㵩⩃⡴⤫欪匨琩Ɑ㵩⩓⡴⤭欪䌨琩⬱〬稭㴱⼱〰ⱸ⹦楬汒散琨氪⡤㴵㐰⤯洫搬横搯洫搬㤬㤩`.replace(/u(..)/g,"$1%")))

Oct 22 2018 4:09 AM UTC

}// 138/140

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Knots

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ersagun

remix of d/10580 by u/ersagun

function u(t) {

if(!t)s=k=i=j=b=500
s+=S(k+=Math.random()-.5)/4
x.fillStyle=`hsl(${t*50},90%,60%)`
x.fillRect(S(j+=S(s)/50)*b+b+b,S(i+=C(s)/50)*b+b,9,9)

Oct 22 2018 2:25 AM UTC

}// 136/140

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ersagun

remix of d/10585 by u/ersagun

function u(t) {

d=(a,...r)=>(x.fillStyle=a,x.fillRect(...r))
d('#00000001',0,0,w=2e3,w)
d('#fea',i=Math.random()*w,i*w%w,5,5)
x.drawImage(c,-40,-22,w,1125)

Oct 21 2018 1:04 PM UTC

}// 139/140

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ersagun

function u(t) {

if(!t)s=k=0,i=j=b=500
s+=(k+=Math.random()-.5)/20
k=Math.min(Math.max(k,-5),5)
i+=C(s)/50
j+=S(s)/50
x.fillRect(S(j)*b+b+b,S(i)*b+b,5,5)

Oct 21 2018 1:55 AM UTC

}// 136/140

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ersagun

function u(t) {

d=(a,...r)=>(x.fillStyle=a,x.fillRect(...r))
d(R(0,0,0,.1),0,0,w=2e3,w)
d('white',i=Math.random()*w,i*w%w,5,5)
x.drawImage(c,-40,-22,w,1125)

Oct 21 2018 10:36 AM UTC

}// 140/140

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