Dweets awesomed by u/M1T0

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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rodrigo.siqueira

remix of d/23896 by u/rodrigo.siqueira

function u(t) {

for(i=5e4,w=960;i--;x.fillRect(w+w*X/Z,w*Y/Z/2-Z*640-3e3,8/Z/Z,t<3))r=Math.random,X=r()*20-9,Y=r()*20-9,Z=(s=S(s=S(X*Y)+X*X+Y*Y+7)/s)**.2-6

Sep 22 2021 4:06 PM UTC

}// 139/140

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Circular layers

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neimad

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

function u(t) {

z=c.width=w=120;for(m=1e4;m--;)x.fillRect(i=m%w,j=m/w,z,1/z),x.fillStyle=R(z*j),d=(r=(X=i/w*(g=1))*(Y=j/w)*Y)>1?0:C(r)/9,z=C(X/d)/S(Y/d-t*9)

Sep 20 2021 4:26 AM UTC

}// 140/140

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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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KilledByAPixel

function u(t) {

for(o=g=i=h=4e3;i--;g+=o=r<2?r-1:o-g/h)r=Math.random(x.fillRect(i*(t+1),g*t+t*300,t+2,h))*20
x.fillStyle=`hsl(${r+t*60-200} 19%${80-t*20}%`

Sep 17 2021 7:50 PM UTC

}// 139/140

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Landscape Generator from Space Huggers, my JS13k game

u/KilledByAPixel

P L A Y S P A C E H U G G E R S https://js13kgames.com/entries/space-huggers
u/KilledByAPixel

This code uses the same method as space huggers uses to draw the parallax background mountains
u/sigveseb

nice colors and technique
u/jellyedwards

Wow

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DataMeta

remix of d/16500 by u/DataMeta

function u(t) {

c.style.background=R(r=Math.random);for(c.width|=j=560;j--;)x.fillStyle=R(h=192,h,h),x.fillRect(64*(j%32),64*(j/32|0),r()/r()/11,r()/r()/11)

Dec 7 2019 5:21 AM UTC

}// 140/140

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Old film effect

u/DataMeta

108: x.fillRect(0,0,c.width|=j=560,2e3);for(r=Math.random;j--;)x.clearRect(2e3*r(),1e3*r(),r()/r()/20,r()/r()/20)
u/DataMeta

paste into another dweet to avoid cached background style

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Xen

remix of d/8648 by u/firegodjr

function u(t) {

for(c.width=i=300;i--;)x.lineTo(S(z=t-i/5)*129*C(i*(7^t/3)+t*3)+143,C(z)*79+79)
x.fill()

Dec 3 2019 5:38 PM UTC

}// 88/140

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Wonky

u/Xen

#waitforit

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KilledByAPixel

remix of d/16782 by u/KilledByAPixel

function u(t) {

for(i=1e3;i--;)x.fillText(8,X+=S(Y)*9,Y+=C(X)*9)}{X=Y=6

Dec 2 2019 1:54 AM UTC

}// 55/140

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#Ant 40 speed up * 1000

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Blacklink

remix of d/16770 by u/Blacklink

function u(t) {

r=10
m=Math.floor(t/7)+1
c.width|=0
for(var s=0;s<t%7;s+=0.001){x.fillRect(900+250*(2*C(s)+S(2*s)*C(m*s)),550+250*(S(2*s)+S(m*s)),r,r)}

Dec 1 2019 7:31 PM UTC

}// 135/140

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A bit more messy but still very simple parametric equation drawing

u/rep_movsd

#underrated

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁢𩑧𪑮𤁡𭁨𚁦𪑬𫁓𭁹𫁥🐧𘰰𜀰𜠧𚐬𨑲𨰨𦀽𞐶𜀬𦐽𝐴𜀬𝐰𜀬𜀬𝰩𛁡𬡣𚁘𛁙𛀲𜀰𛀰𛀷𚐬𩡩𫁬𨁥𭡥𫡯𩁤𨀬𪐽𡠽𜡥𜰻𪐭𛐻𨱬𩑡𬡒𩑣𭀨𤐿𦀫𤰨𪐫𭀩𚠹𞐺𚁓𚁩𚐪𜑥𞐭𭀪𪐯𞐩𙑆𛁑🱙𚱓𚁩𚐪𦐺𪐪𞐥𡠬𪠽𤐿𜠹𞡩𙐹𚰳𛁪𚐩𤐽𪐼𜑥𜰻`.replace(/u../g,'')))

Nov 30 2019 8:30 AM UTC

}// 139/140

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Explore Uranus 🚀

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katkip

function u(t) {

t||(s=0,X=960,Y=540)
x.fillRect(X,Y,10,10);
X+=(r=Math.round)(S(s))*10,Y+=r(C(s))*10
s+=T(t)

Nov 27 2019 12:28 PM UTC

}// 92/140

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nobody's ant

dwitter.net | M1T0 (8039)