Random dweets | Dwitter

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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AJK

function u(t) {

s=128;p=896;q=476;r=(f,s,v=1)=>s*f(t*v)+s;x.fillStyle=R(r(S,s),r(C,s),r(C,s,9));x.drawImage(c,-40,0,2e3,p);x.fillRect(r(C,p,4),r(C,q,q),s,s)

Feb 26 2017 8:09 AM UTC

}// 140/140

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THORinHOOD

function u(t) {

w=c.width=1920
n="Hi, Dwitter!"
x.font="200px Time"
x.fillText(n.substring(0,(t*10)%(n.length+10)),w/4,w/3)

Sep 18 2018 4:10 PM UTC

}// 107/140

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u/joeytwiddle

Full marks for presentation

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Xen

remix of d/7012 by u/prplz

function u(t) {

with(x)for(i=99,setTransform(15,0,0,15,960,540),rotate(t*7);i--;strokeRect(S(t*3.7)*i*3,0,C(i^t),3))strokeStyle=`hsla(${t*99+i},99%,50%,.1)`

May 30 2018 6:59 PM UTC

}// 140/140

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Xen

remix of d/12413 by u/Xen

function u(t) {

for(i=2e3;i--;)x.fillRect(i+S(C(t/3)*i),t*99,1,1)

Feb 18 2019 6:05 PM UTC

}// 49/140

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u/DataMeta

This one is smooth. Surely there is an even more golfed moire possible
u/geb

#background

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katkip

remix of d/2955 by u/cantelope

function u(t) {

for(x.fillRect(0,0,g=i=2e3,2e3);i--;x.clearRect(960+l*(i/3e2+t)*g/Z,540+C(p)*i/Z*g,s=5e8/Z/Z,s))l=S(p=i/(5+t*2))*i,Z=g*4-l*C(t)

Aug 18 2018 7:40 AM UTC

}// 127/140

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Zooming into a galaxy

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rep_movsd

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁣𛡷𪑤𭁨🐶𝀰𛁤🐲𛠰𞐬𭁲𨑮𬱬𨑴𩐨𜰲𜀬𜐶𜀩𛁢👴𛁩🐳𞱩𛐭𞱢🐲𛠱𚑲𫱴𨑴𩐨𨠩𛁦𪑬𫁓𭁹𫁥👒𚁋👓𚁡👴𚱩𚡤𚰲𚐪𝰰𚰱𝐰𛁋𚠮𝠵𛁋𛰶𚐬𩡩𫁬𚁮𩑷𘁐𨑴𪀲𡀨𘡍𛐵𜰠𜰰𛐷𞐠𜰰𘀱𜰭𜐳𜐠𜐲𜀠𝐳𘀱𜀷𘀷𝠠𜐳𛐸𝐭𝐳𘀳𜀢𚐩`.replace(/u../g,'')))

May 29 2021 1:08 PM UTC

}// 137/140

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#penrosetriangle with lighting/shading

u/erin

if you change i to 9 it gets rid of the white spots
u/rep_movsd

I purposely kept a small gap to let the edges be visible, else it looks flatter

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katkip

function u(t) {

eval(localStorage.Y)//ꑶ㺡땩쁿徫醋鿏뉈ꑍ奉岙䙽屙箞꽵되㻻覺棘ꐺꐹ䇔䔙嫳㻩䈉䀺公賚棘ꐹ䈉썹썚龝㻘䔙䔚䁍慛뮮鿉꤬舤뵼鸍陨된㺤삊䛄䇒妍㈹夵匀㧹阬뮮鿉꤬肅鬤㺹咐䍘覩䇺䓵兰䍘謹䇺䔚䔚䂍岖귢㻩㉯龀箙삖㻩䠸䔩䠹䔩䠺䀼ꐾ賋徹䠺䦡夻䳋ꑶ㻩䠺愕䬰䁹䠺往쎋

Oct 27 2019 10:55 AM UTC

}// 128/140

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If this doesn't work, view d/16213

u/katkip

#color

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jonathan_b

remix of d/5069 by u/jonathan_b

function u(t) {

for(c.width|=s=490,q=T(t/9)*9,r=s*2,i=s*9;i;)for(j=6;--j;)x.fillStyle=R(s*S(i),q*j*7,i,1/j),x.fillRect(r+s*r*q/i*C(q-i-j),s+s*S(i--),25,25)

Jan 1 2018 7:33 AM UTC

}// 139/140

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E-Mouse

remix of d/7898 by u/E-Mouse

function u(t) {

let X,Y 
for(X=240;X--;)for(Y=135;Y--;x.fillRect(X*16,Y*16,16,16))x.fillStyle=R(r=(X*Y^X+Y*t)&5,0,r*255)

May 3 2018 8:39 PM UTC

}// 104/140

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Smiley1000

remix of d/24813 by u/Smiley1000

function u(t) {

for(h=0;h<108;h++)for(w=0;w<192;w++){
f=o=>(C((w*0.005+t+o/3)*6.3)<h/54-1)*255
x.fillStyle=R(f(0),f(1),f(2),1)
x.fillRect(w*10,h*10,10,10)
}

Jan 22 2022 1:05 PM UTC

}// 140/140

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colorful Cosine Wave! (with dirty Tricks)