Dweets awesomed by u/LimeLaser

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: #Food

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KilledByAPixel

function u(t) {

f=2e3;for(i=0;i<f;)x.fillStyle=R(q=i?255:220,q,q,.6),x.fillRect((S(i)*5e5+i*S(t+i)/20)%f-9,(S(i*i)*5e5+(i>0)*t*99)%1080-9,Z=i++?2+9*i/f:f,Z)

Apr 13 2019 5:17 PM UTC

}// 140/140

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#snow

u/KilledByAPixel

Must be viewed full screen for full effect. (:
u/KilledByAPixel

This is my favorite dweet I've made so far!

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katkip

function u(t) {

for(i=320;i--;)q=S(i/(5+C(t/2)*3)+10*C(t))%(.9+S(t*8)/9)*255,
x.fillStyle=R(q,q*2,q*S(t*8)),x.fillRect(i*6,0,6,6);x.drawImage(c,0,6)//lul

Apr 13 2019 2:59 PM UTC

}// 137/140

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Reptilian eyes

u/KilledByAPixel

nice, i need to experiment with drawImage more.

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Jezza

remix of d/13194 by u/username

function u(t) {

x.font=code.length/9+`em'`

x.fillText('Jezzzzzzzaa:)',99,999)

if([...code].reduce((a,c)=>a+c.charCodeAt(0),0)!=9999)code+='{'

Apr 13 2019 10:18 AM UTC

}// 127/140

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Following the rules this time :)

u/username

:)
u/username

I should make it harder :)

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vinca

function u(t) {

for(c.width|=i=0,x.fillRect(0,0,2e3,2e3);240-i;x.fillRect(99*i/9,i%9*99,200*C(t/9^i),200*S(t/9+i++)))x.fillStyle=`hsla(${i^t*9},70%,50%,30%`

Apr 13 2019 8:43 AM UTC

}// 140/140

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KilledByAPixel

function u(t) {

c.width+=0;x.beginPath();for(i=1421;i--;)x.lineTo(960+900*S(i+t/3),540+500*S(3*i/2));x.stroke()

Apr 13 2019 6:44 AM UTC

}// 95/140

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Here's the 3:2 shape with a stroke.

u/metamero

#moire

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dmilin

function u(t) {

for(i=0;i<100;i++)
x.fillStyle=R(S(t*7/i)*255*C(i/100),S(t*2)*255,S(t*3)*255),
x.fillRect(i*10+10*i*S(t),0,1,2000) // draw 50x200 rects

Apr 13 2019 3:58 AM UTC

}// 135/140

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Some cool colors

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KilledByAPixel

function u(t) {

for(i=0;i<3e3;)x.fillStyle=R(i%1e3,i%250,i%150,.3+i),j=t*i/9,x.fillRect((S(i)*2e5-j)%2e3-9,(S(i*i)*2e5+j/2)%1080-9,Z=i++?3+9*S(i)**30:1e5,Z)

Apr 13 2019 2:56 AM UTC

}// 140/140

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2D #Starfield I squeezed in more colors and motion blur.

u/13thptr

stylish
u/iverjo

Meteor rain!

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robotman_

function u(t) {

x.fillStyle=R(c=S(t/3)*64+64,c,c)
x.fillRect(960+S(t)*300+S(t/5)*99,540+C(t)*300+C(t/5)*99,9,9)

Apr 12 2019 9:07 PM UTC

}// 95/140

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Wait for it

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KilledByAPixel

remix of d/13209 by u/KilledByAPixel

function u(t) {

for(i=99;i--;)N=255*(S(3.14*i+2*t)),Y=520*S(t+i),X=940*S(i+3*t),x.fillStyle=R(N,N,N),x.beginPath(),x.fillRect(940+X,520+Y,40,40)

Apr 12 2019 4:48 PM UTC

}// 128/140

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More playing with the equation. I'm really liking what it can do without the background clear.

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rnbw

function u(t) {

t||(A=B=0);t=t/2;x.fillStyle=`#e54`;for(i=0;i++<9;x.fillRect(t*300+200*A-200+S(t+i)*99,450+220*B+C(t+i)*99,9,5)){A=C(A-t+i/2);B=C(B+A/2)}

Apr 12 2019 2:57 PM UTC

}// 137/140

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scribble 🖍️

u/Xen

nice

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