Top dweets by u/nystrand

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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nystrand

function u(t) {

for(x[n=t?++n%4e3:0]=n,c.width|=i=0;i++<n-2;x.lineTo(a+800,x[i-1]+400))a=x[i]+=(i%3+~t%3+~S(t*n))*x[i+~~t%3]/(399-n/18);x.stroke()

Oct 5 2017 1:42 PM UTC

}// 130/140

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u/magna

Wow!
u/artfarnaa

Double wow
u/Xen

nice work! :)
u/joeytwiddle

#shape #model #3d

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nystrand

function u(t) {

for(q=a=b=i=3e3,d=35;i--;x.fillRect(a/2-q,b/4-q,q*9,q*4,x.fillStyle=R(d*3,d,d%99,.1,q=2)))a+=a*S(w=d+S(d*9+t*4))/77,b+=b*C(w+.5)/77,d+=t%9/d

May 12 2017 2:39 PM UTC

}// 140/140

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u/donbright

outstanding
u/magna

This is so 70's!
u/lionleaf

sweet!
u/iverjo

So nice! And it looks like 3D
u/joeytwiddle

Pretty
u/13thptr

#flower

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nystrand

function u(t) {

for(i=c.width|=g=(o,a=n=7,b=t*a%i/t,z)=>--n?g(n>5?i:t/n,b*C(o)-a*S(o),z,a*C(o)+b*S(o)):x.fillRect(a*(z+=50)+960,b*z+540,z-=40,z);i--;)g(i&t)

Jul 29 2019 12:01 PM UTC

}// 140/140

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u/katkip

Awesome! #abstract #shape
u/joeytwiddle

Cool. It's definitely something. Better than d/8516

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nystrand

function u(t) {

for(O=c.width|=Z=A=27;A--;O=.9+C(t)/Z)x.fillStyle=R(x.scale(A?O:1,A?O>1?Z:1.03:-O),Z,4*A,.2),x.fillText(u,A<2?M=7-t*4:-66,A<2?A*Z-18-S(M):Z)

Apr 7 2017 8:41 PM UTC

}// 140/140

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u/magna

I was expecting this to happen one day...
u/magna

Wait. How the hell are you rendering the "ground"? I don't get it. Explanation please.
u/nystrand

It's the "(O" chars at the beginning of the code decreasingly scaled down from the large initial scale. I had to find a variable name that "looked good", - went with O which made coding confusing as it looks like a zero :)
u/magna

This is nuts!
u/joeytwiddle

#quine

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nystrand

remix of d/2727 by u/joeytwiddle

function u(t) {

c.width|=p=(X,Y=X,S=X,D=15,r=_=>C(t+=S++),k=_=>p(X+S*r(),Y+S*r()/3,S*.8,D-1))=>D&&x.fillRect(X,Y,S,S,x.fillStyle=R(k(),k(),S*D,.01));p(580)

May 16 2017 12:19 PM UTC

}// 139/140

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u/yonatan

#clouds

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nystrand

function u(t) {

for(i=c.width+=0;q=--i/3|0;x.lineTo(a*w+1e3,b*w+540))[a,b,z,w=(z+4)*89]=t&7?x[q]:[C(t*i),i%5?1:-1,2*i%4-1],x[q]=[b+a/99,z,a-b/99];x.stroke()

Aug 19 2017 3:23 PM UTC

}// 140/140

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u/donbright

nice work

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nystrand

function u(t) {

for(c.width|=x[i=frame]=300,d=t?-d:1;i--;i%6||x.lineTo(T+1e3,S+540))S=T,T=x[i]+=d*x[e=i+(i+d)%3-i%3]/123*((e+d+(t&65|t/13.3))%3);x.stroke()

Jul 23 2017 1:10 AM UTC

}// 139/140

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RotatingSpherePatternPrinter

u/alien

wait what is going on here D: , could explain this x[i=frame] and T=x[i] plz
u/alien

How can you add T a numer, isn't T a defined function?
u/iverjo

frame is a number that starts at 0 and increases by 1 for each frame (this is actually a somewhat "hidden" feature in dwitter, and can be used as an alternative to t). T is initially a defined function (by dwitter), but the code in this dweet sets T to something else before a number is added to it. x[i=frame]=300 has the same result as i=frame,x[i]=300 because i=frame returns the new value of i
u/alien

D:!!!! @iverjo thxs
u/13thptr

#d3 #sphere

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nystrand

remix of d/1968 by u/nystrand

function u(t) {

for(l=c.width|=a=C(t),b=S(t);l--;x.fillText(i*z^39,(k-a*i-b*a*j)*z+899,(i+b*j+a*k)*z+500))i=a*S(l),k=3+C(l),j=S(p=l/79)*k,k*=C(p),z=99-a*j*9

Apr 23 2017 5:49 PM UTC

}// 140/140

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u/donbright

best dwitter torus?
u/sigveseb

nice!
u/keithclark

Why not use x.fillRect((k-a*i-b*a*j)*z+899,(i+b*j+a*k)*z+500,6,6)? it renders faster and is smaller
u/mxfh

Print and connect the dots. Or do it on screen for lasting impact.

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nystrand

remix of d/2564 by u/nystrand

function u(t) {

for(l=c.width|=a=C(t);l--;x.fillRect((k-a*i-a*j*S(t)+6)*z*9,(i+j*S(t)+a*k+4)*z*9,z-9,z*i^5))i=a*S(l),k=3+C(l),j=S(p=l/98)*k,k*=C(p),z=17-a*j

Apr 24 2017 6:35 PM UTC

}// 140/140

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u/donbright

these blow my mind
u/iverjo

#torus

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nystrand

function u(t) {

for(i=c.width|=g=(a,b=a,z)=>--n?g(b*C(o=n>3?i:t)-a*S(o),z,a*C(o)+b*S(o)):x.lineTo(a*(w=960/(z+3))+960,b*w+540);i--;g(C(i^8)))n=6;x.stroke()

Oct 7 2017 9:00 AM UTC

}// 139/140

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u/cantelope

neat :)
u/lionleaf

Sweet!

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