Dweets awesomed by u/yokljo

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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robbyg

remix of d/8556 by u/Xen

function u(t) {

t&&x.drawImage(c,0,3)
for(Z=i=360;i--;x.fillRect(i*9-C(t+t-S(i/19))*Z-Z,0,Z,3))x.fillStyle=`hsl(${S(i)*Z},${z=25+i%55}%,${z*.8}%)`

Jun 12 2018 9:12 PM UTC

}// 130/140

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u/Xen

looks tasty, makes me hungry!
u/joeytwiddle

Yes, yummy. #rainbow

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firegodjr

function u(t) {

c.width=1920
x.lineWidth=.1
for(i=0;i<900;i++,x.stroke(),x.beginPath())for(j=0;j<2;j++)
x.lineTo(1920*j,500+S(t+i+j*S(t/2)*3)*300)

Jun 12 2018 3:03 PM UTC

}// 130/140

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Smooth curves from straight lines

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lazyguyy

function u(t) {

                       t*=6.27;a=(2+C(5*t));b=a*S(3*t);a*=C(3*t);x.fillStyle=R(a*100,b*100,255-a*100);x.fillRect(960+a*280,540+b*170,15,15)

Jun 12 2018 2:51 PM UTC

}// 139/140

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simple colorful torus knot

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Xen

remix of d/8544 by u/firegodjr

function u(t) {

t?x.drawImage(c,0,3):x.fillRect(0,0,2e3,2e3)
for(Z=i=350;i--;x.fillRect(i*9-C(t+t-S(i/19-t))*Z-Z,0,Z,2-C(t)))x.fillStyle=R(f=S(i+t)*Z,i,f+i)

Jun 11 2018 7:01 PM UTC

}// 140/140

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u/iverjo

Kudos! Interestingly, this looks very different in fullscreen, without the moiré patterns

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firegodjr

function u(t) {

t?0:x.fillRect(0,0,2e3,2e3)
for(i=26;i--;)
x.fillStyle=R(f=S(i+t)*255,f,f),
x.fillRect(i*100-C(t)*300-300,0,50,2)
x.drawImage(c,0,1)

Jun 11 2018 4:33 PM UTC

}// 132/140

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Liquid Steel

u/Xen

nice style

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pythech

function u(t) {

with(x)scale(50,50),fillStyle='#3a5',strokeStyle='#252',fill(z=new Path2D(`M20 13a3 3 0 1 0 -2.2 0l-2 5.3a8.8 8.8 0 1 1 6.3 0z`)),stroke(z)

Jun 11 2018 2:46 AM UTC

}// 139/140

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Open Source Initiative #logo

u/13thptr

#path2d

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New_Core

function u(t) {

c.width=-1
for(i=99;i--;)x.fillText(String.fromCodePoint(65+i%58),i*8-t*60%464,177),x.drawImage(c,i+260,170,1,10,i*8,50+20*S(i/9+t),18,60)

Jun 10 2018 12:45 PM UTC

}// 138/140

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alien

function u(t) {

for(o=c.width=i=1900;i--;x.fillStyle=R(o=i+S(t+89*i)*13,0,o/4+i%50))x.fillRect(2*i*S(i+t)*S(o/100)+800,i*C(i+t+o/600)*2+500,i,i)

Jun 10 2018 9:52 AM UTC

}// 128/140

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Black hole , to @Xen basic guide.

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alien

function u(t) {

W=c.width=7e2
x.font='13px l'
for(i=0;i<35;i++){
 for(j=0;j<29;j++){
 V=(frame>>3)+i*j+i+j
 x.fillText(String.fromCharCode(V),i*13,j*13)
}
}

Jun 9 2018 9:42 PM UTC

}// 140/140

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Xen

remix of d/8508 by u/firegodjr

function u(t) {

c.width=333
for(x.shadowBlur=i=30;i--;x.fillRect(155-i*6+S(i*t)*i/9,i*C(i-t*9),i*13,i*9))x.shadowColor='#'+frame

Jun 9 2018 3:21 PM UTC

}// 112/140

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Forbidden-Stairway2: Wrath of Hue

u/pythech

so dope
u/lionleaf

Awesome! #tunnel #stairs #color

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