Top dweets by u/taupelink

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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taupelink

function u(t) {

for(i=1e3,d=e=0;i--;x.fillRect(d*960,e*1080,1,1))[d,e]=[d+((r=Math.random()*3|0)-d+e*S(d*6.3))/2,e+(1-r%2-e)/2],x.fillStyle=R(!r*255,0,r*99)

Aug 16 2019 3:31 AM UTC

}// 140/140

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Nonlinear with a trig function, with simultaneous coordinate updating like I "ought" to have been doing all along 👀

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taupelink

function u(t) {

s=x.fillStyle=['Orange','Tomato','Olive','Plum','Lime'][v=frame%5],x.font=(3+v)+'em"',x.fillText(s,960+90*(r=1+t/2)*C(w=t*12),540+50*r*S(w))

Aug 15 2019 2:21 AM UTC

}// 140/140

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Abstract fruit word spiral

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taupelink

function u(t) {

g=(a,b)=>b?g(b,a%b):a;f=()=>Math.random()*1e7|0;(frame-1)%30||(c.width=200,m=f(),n=f(),x.fillText(`GCD(${m},${n})=${g(m,n)}`,15,60))

Aug 11 2019 12:29 AM UTC

}// 132/140

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GCD of two random numbers

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taupelink

function u(t) {

for(i=1e3,d=e=0,q=6.3;i--;)x.fillRect(960+(p=d*270)*C(o=e*q),540+p*S(o),1,1),d+=((r=Math.random()*3|0)-d+e*S(d*q))/2,e+=(r%2-e-d*S(e*q)/2)/2

Aug 3 2019 1:57 AM UTC

}// 140/140

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Crescents

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taupelink

function u(t) {

for(i=1e3,d=e=0;i--;)x.fillRect(d*1200-200,e*1500,1,1),d+=((r=Math.random()*3|0)-d+e*S(d*6.28))/3,e+=("101"[r]-e-d*e-d**4*e**7/9)/5

Aug 3 2019 1:26 AM UTC

}// 131/140

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d/15251

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taupelink

remix of d/15141 by u/taupelink

function u(t) {

for(i=1e4,d=e=0;i--;)x.fillRect(960+(q=d*1e3)*C(p=e*6.28),540+q*S(p),1,1),d+=((r=Math.random()*4|0)-1-d)/2,e+=("3103"[r]-1-e-d*d*e)/2

Jul 28 2019 1:58 AM UTC

}// 133/140

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polar coordinates

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taupelink

remix of d/15076 by u/taupelink

function u(t) {

t||(B=[0,0,0],h=c.width=256);for(j=1e3;j--;)x.fillStyle=R(...B,.01),x.fillRect(...B,(r=Math.random)()*h),B=B.map(f=(n,i)=>(n+r())%(3-i?h:1))

Jul 23 2019 10:56 PM UTC

}// 140/140

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this one may be very cpu-intensive

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taupelink

remix of d/14655 by u/taupelink

function u(t) {

t||(a=[],s=r=k=0,c.width=500)
a[s+k]=k%r?a[s-r+k-1]+a[s-r+k]:1
r<16&&x.fillText(a[s+k],250-15*r+30*k,15*r+15)
++k>r&&(s+=++r,k=0)

Jul 21 2019 1:19 AM UTC

}// 129/140

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Golfed with 1-dimensional array

u/donbright

woah
u/donbright

thats awesome

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taupelink

remix of d/14990 by u/taupelink

function u(t) {

t||x.translate(960,b=540,A=[b,d=e=0,-b,0,b,0]);for(i=b;i--;)l=.5+S(i)/10,d+=(A[r=Math.random()*4|0]-d)*l,e+=(A[r+1]-e)*l,x.fillRect(d,e,1,1)

Jul 14 2019 1:25 PM UTC

}// 140/140

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Remix with four points

u/taupelink

some pattern details are just an artifact of the "S(i)" (sine of i radians) in the golfed code
u/donbright

nice

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taupelink

remix of d/14925 by u/taupelink

function u(t) {

t||(a=[]);c.width=160
for(i=a.length;i--;)x.fillText(a[i],i%8*20,8+i|7)
r=Math.random()*64|0;a.lastIndexOf(r)+1||a.push(r)

Jul 11 2019 4:06 PM UTC

}// 122/140

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An alternative #shuffle. Takes a little longer to find those last values. H/t to u/joeytwiddle for a golf tip using binary arithmetic

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