Dweets awesomed by u/ketolli

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: #Opposites

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ketolli

function u(t) {

c.width=a=1920;for(i=0;i<55;i++)x.lineWidth=i*(S(t)/2+1)*15,x.beginPath(),x.arc(20*i*C(t)+a/2,540,40*i,0,Math.PI*2),x.stroke()

Oct 12 2021 4:35 PM UTC

}// 127/140

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The Lighthouse

u/magna

Pretty!

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pavel

remix of d/24072 by u/BackendForth

function u(t) {

for(i=c.width|=0;i-=8;)x.arc(X=960-99*S(t+=.03),540+i,200+i/8,2,8)
x.fill()
h=21*S(t+C(t))
for(j=2;j--;)x.clearRect(X-50+99*j,529-h,11,2*h)

Oct 11 2021 10:31 PM UTC

}// 139/140

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u/BackendForth

Nice! The blinking makes it much more life-like . . . unlife-like?

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yonatan

remix of d/24073 by u/pavel

function u(t) {

u=h=511;for(c.width|=k=0;k<2;k+=.02)for(i=u=u*5&h;w=i--/4;)x.fillRect(((k||S(i))+t/4)%1*h*5-h-u*T%w,T=h+(i&5?i-u:u-i),k?w:u,2+S(T>h&&w+t*9))

Oct 11 2021 8:36 PM UTC

}// 140/140

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Show more comments…
u/KilledByAPixel

nice!
u/yonatan

Thanks. A little too fast, should have been t/8 instead of t/4...
u/aemkei

Thought the same. t/8 is really a calm beauty!
u/yonatan

Yeah, my screen does 30Hz so I only notice it when exporting to a gif.
u/Joachim

I like the animated #water
u/magna

t/h/9*u for parallax
u/magna

Here we go: d/24088

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ciaccodavide

remix of d/23983 by u/pavel

function u(t) {

for(c.width&=i=10368;i--;x.fillRect(i&127,i>>7,f(.7),1))f=n=>(z=5-i/3e3-3*n)>T(Math.hypot(i/64%2-1,i/5e3-n)*9-6*t)?f(n+.6+.3*S(t)):--z*.4

Oct 11 2021 8:13 PM UTC

}// 137/140

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ripple #raytracing #remix

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pavel

remix of d/24056 by u/KilledByAPixel

function u(t) {

for(i=u=~u*7&511;w=i--/4;)x.fillRect((t||S(i))*2e3-u*T%w,T=640+(i&5?i-u:u-i),t?w:u,t?2:i/u)

Oct 11 2021 5:55 PM UTC

}// 91/140

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u/pavel

for(i=u=~u*697&475;w=i--/4;)x.fillRect((t||S(i))*2e3-u*T%w,T=640+(i&5?i-u:u-i),t?w:u,t?2:i/u) has the parabola shape but is 92 and a little too symmetric.
u/pavel

Err, I meant for(i=u=~u*81&493;w=i--/4;)x.fillRect((t||S(i))*3e3-u*T%w,T=640+(i&5?i-u:u-i),t?w:u,t?2:i/u)

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KilledByAPixel

function u(t) {

eval(unescape(escape`󦌽󭌿󦌫󬬪󝬹󞬰󒭨󟝴󟼹󞜫󜼰󜌪󬬫󞜹󚭃󚍴󚬷󚜺󝽥󜼊󩭯󬬨󪜽󜌻󪜼󪌻󮌮󩭩󫍬󤭥󨽴󚍱󛌷󜌰󚽨󛜫󚽩󛍷󛍲󚜩󬬽󣝡󭍨󛭲󨝮󩍯󫜨󭼽󪜯󝌩󛍸󛭦󪝬󫍓󭍹󫍥󟝒󚍶󟝴󟼰󞬸󜌫󪜬󭬬󭬯󛬸󚜬󮌮󩭩󫍬󤭥󨽴󚍱󟜡󭌦󪜿󬬪󜭥󜼺󦌭󭼫󭼪󬬬󭌿󝼰󜌭󪌫󪜺󭼬󭌿󭼺󮬽󪜿󜬺󜭥󜼬󮬩`.replace(/u../g,'')))

Sep 30 2021 3:52 AM UTC

}// 140/140

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Treescape 🌲

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u/Joachim

wow!
u/UEZ

nice!
u/rep_movsd

This is one of the best ever
u/rep_movsd

This deserves a writeup
u/KilledByAPixel

Thank you, I will try to do that
u/UEZ

A little bit darker: X=t?X+r*69:(x.fillRect(0,0,2e3,1e3),0) hh=t?99+300*r+99*C(t*7):7e3 for(i=0;i<hh;)ww=i/4,r=Math.random(ww),v=t?0:80+i,x.fillStyle=R(v>>2,v>>2,v/.8>>2,.7),q=(!t&i)?r*2e3:X-ww+ww*r,x.fillRect(q,t?700-hh+i:ww,t?ww:z=i?2:2e3,z),x.fillStyle=R(v,v,v/.8),x.fillRect(q,700+hh-++i,ww,r)
u/UEZ

Btw, thank you very much for the very usefull 𝓒𝓪𝓹𝓙𝓢 editor :-)
u/DaSpider

Next level
u/magna

WHOA
u/aleamb

wow!! #landscape #nature #tree
u/vain

Really impressive! What a beautiful forest landscape with a starry sky <3

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ketolli

function u(t) {

c.width=a=96;x.fillRect(0,0,a,54);for(i=0;i<a;i++)for(i2=0;i2<54;i2++)x.fillStyle=R(T(i2*t*.05+i)*i,0,i2),x.fillRect(i%i2*3,i2%i,S(i),S(i2))

Sep 27 2021 5:55 PM UTC

}// 140/140

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Emerald Cave

u/donbright

i like the rythym

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danny@hille.dk

remix of d/23879 by u/danny@hille.dk

function u(t) {

eval(unescape(escape`󮬽󨼮󭽩󩍴󪌽󭼽󜜸󜌬󮌮󩭩󫍬󤽴󮝬󩜽󙽮󨝶󮜧󞽦󫽲󚍭󟜲󩜴󞽭󛜭󞽲󟜨󨜽󦌯󞜰󛜱󚜪󨜫󚍢󟝙󛼹󜌭󜜮󝌩󚭢󛍤󟜭󛬱󛍺󟝓󚍡󛽤󚭲󚽴󚬴󚜭󠼨󨬯󩌫󭌪󝼩󚝸󛭦󪝬󫍒󩝣󭌨󦌽󫜥󭼬󦜽󫜯󭼬󠼨󦌯󞜭󤼨󦜯󜼹󛝴󚬳󚝞󦜯󞜭󠼨󦌯󜼳󚽴󚬴󚜫󭌪󜼩󛽺󚼱󛍺󚬮󝌩󒬻`.replace(/u../g,'')))

Sep 25 2021 2:16 PM UTC

}// 135/140

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composite water ripple + refraction effect remix

u/danny@hille.dk

z=c.width=w=180,x.fillStyle='navy';for(m=2e4;m--;r=(a=X/90-1)*a+(b=Y/90-1.4)*b,d=-.1,z=S(a/d*r+t*4)-C(b/d+t*7))x.fillRect(X=m%w,Y=m/w,C(X/9-S(Y/39-t*3)^Y/9-C(X/33+t*4)+t*3)/z+1,z*.4)
u/Odog8

Looks like a snes demoscene-to-be!
u/danny@hille.dk

#water

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ketolli

remix of d/23882 by u/ketolli

function u(t) {

c.width=a=1920;for(i=0;i<230;i++)x.fillStyle=R(S(i/10*t)*200,i*2,a),x.fillRect(S(t+i/5)*99+a/2,5*i,C(t+(i/4))*60,S(t+(i/3))*50)

Sep 23 2021 8:02 PM UTC

}// 127/140

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Tapeworm II: Electric Boogaloo

u/41407

dna aesthetique

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KilledByAPixel

remix of d/23876 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󨼮󭽩󩍴󪍼󟝳󟝧󟝪󟜰󞼫󚽪󟌸󞼩󩭯󬬨󭼽󪜽󝍥󜼬󬜽󪬭󜬬󮌮󩭩󫍬󤽴󮝬󩜽󤬨󭬽󬜿󞜹󛝪󚬱󝜺󭼬󭬬󭬩󛍤󟝪󚬹󞜫󭌪󜬰󚭱󚬪󜭼󜌻󪜭󛜻󮌮󩭩󫍬󤭥󨽴󚍩󚭪󛍱󟽪󟬱󟼲󝜰󚽧󚬲󚽪󚭪󚬱󝬺󜌺󬬪󜜵󛍪󛍱󟽷󞬲󚜩󩼫󟝳󟜨󬬽󚼫󩌪󚬱󛬳󚬱󩜹󙜴󜌩󟌴󟽲󛜲󞭳󛝧󛼲󩜳`.replace(/u../g,'')))

Sep 20 2021 2:50 AM UTC

}// 139/140

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Parallax Mountains ⛰️

Show more comments…
u/KilledByAPixel

These are non-repeating mountain ranges, using a similar formula used in my #JS13k game Space Huggers
u/rep_movsd

#parallax #landscape
u/rodrigo.siqueira

The first game where I saw this effect was in Moon Patrol, I liked it a lot, it was great and also had a great music. I think it would not be difficult to recreate Moon Patrol from this Dweet.
u/andrea270872

moon patrol ate so many of my coins!! :D
u/tomxor

Pretty sure I first saw the effect in StarRay (Atari ST), I think I enjoyed the music more than the gameplay, no coins though :P
u/vain

Very cool and smooth paralax landscape

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