Dweets awesomed by u/magna

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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rnbw

function u(t) {

for(c.width^=i=0;i++<45;)for(j=-6;j++<23;x.fillStyle='#ac6'+(4+(i+j)%2*2))x.fillRect((i*(b=99+C(t)*35))+(a=S(t)*600%b)-500,(j*b)+a,d=b*.9,d)

Feb 7 2019 3:57 PM UTC

}// 140/140

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zooming tiles without transform! doesn't perform very well, though

u/rnbw

(i'm surprised that that hastily-made alpha adjustment worked...)

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ds0

function u(t) {

r=c.width*=1
for(i=9;i--;){Q=4*t+i
x.beginPath()
x.ellipse(r*(i+1)/10,540+300*S(Q),90,Math.abs(90*C(Q)),0,0,6.3)
C(Q)>0?x.fill():x.stroke()}

Feb 7 2019 3:32 PM UTC

}// 140/140

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pavel

remix of d/2336 by u/cantelope

function u(t) {

for(i=k=c.width|=0;i--;x.arc(X,Y,k*k|1/z,k=0,7))z=1-(t*30+i)%99/99,x.moveTo(X=960*(z+i**.9%1-.5)/z,Y=540*(z+i**.6%1-.5)/z)
x.fill('evenodd')

Feb 7 2019 7:27 AM UTC

}// 140/140

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Golfed enough for round bodies

u/mxfh

Welcome to the #arc side
u/13thptr

lol

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𮁛𩠽𙱦𪑬𫁓𭁹𫁥𙱝👠𘰰𜀶𜡠𛁸𛡦𪑬𫁒𩑣𭀨𜀬𜀬𭰽𜡥𜰬𭰩𛁩🐹𞐻𪐭𛐻𮀮𩡯𫡴🐹𞐫𪀯𞀫𙱰𮀠𨐧𛁸𛡦𪑬𫁔𩑸𭀨𙰪𙰬𭰭𚁩𚠪𝐫𭀪𚁷𚱨𚐯𝀩𙐳𩐳𛁩𚠪𝰥𭰫𤰨𪐫𭀪𜰩𚡩𚠳𚐩𮁛𩡝👠𪁳𫁡𚀤𮰨𪀽𪐪𪐩𚱴𚠸𜀰𯐬𞐹𙐬𝠰𙐬𙁻𜐯𚀱𚱨𛰱𩐳𚑽𨀻`.replace(/u../g,'')))

Feb 6 2019 8:45 PM UTC

}// 140/140

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u/katkip

#compressed
u/sigveseb

Cool
u/magna

I love this!
u/iverjo

Trippy! Very good
u/joeytwiddle

I knew who wrote this without looking!

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nini1294

function u(t) {

c.width=1920
for(i=0;i<19;i++){
xp=600+i*15
x.translate(xp+50,200)
x.rotate((t**1.5)*i/150)
x.translate(-xp,-200)
x.fillRect(xp,200,50,20)
}

Feb 6 2019 8:35 PM UTC

}// 140/140

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saon

function u(t) {

c.width|=0
for(i=0;i++<50;)for(j=0;j++<15;)
x.fillRect(960+i*20*S(t+i)+10*S(j),-100+10*j+200*T(t+i),10,2*j)

Feb 6 2019 7:12 PM UTC

}// 107/140

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Snake storm

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katkip

function u(t) {

c.style.background='#bdf';f=1
for(i=99;i--;)for(j=256;j>99;j-=9)x.fillStyle=R(0,j),f+=S(i*9+f/9)*t,x.fillRect(t*90,940+C(f)*90+-j*2,10,2e3);

Feb 6 2019 5:14 PM UTC

}// 140/140

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Mathematically made hills #math

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New_Core

function u(t) {

for(i=840;i--;)x.fillStyle=`hsl(${(i*S(S(t)*S(t*2+i*.157))*C(i/520)+i*9)/(.05*C(t)+1)},99%,50%`,x.fillRect(i%40*50,~~(i/40)*50,50,50)

Feb 6 2019 12:46 PM UTC

}// 133/140

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katkip

function u(t) {

s=200;x.fillRect(t*90,540+S(t)*s+S(t*2)*s/2+S(t*3)*s/3+S(t*4)*s/4+S(t*5)*s/5+S(t*6)*s/6+S(t*7)*s/7+S(t*8)*s/8+S(t*9)*s/9+S(t*10)*s/10,10,20)

Feb 6 2019 10:28 AM UTC

}// 140/140

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#fourier transform

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katkip

function u(t) {

c.width*=1;for(i=26;i--;)for(j=8;j--;)x.fillRect(-300+i*100+S(t+S(t*2+i*j/99))*300+C(j*3.1416)*25,j*200,50,200)

Feb 6 2019 9:50 AM UTC

}// 111/140

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Dragging a wall made of #default s

dwitter.net | magna (131666)