Dweets awesomed by u/aleamb

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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DataMeta

remix of d/15628 by u/DataMeta

function u(t) {

r=Math.random,b=64;with(x)for(j=560;j--;beginPath(fill()))
fillStyle=R(a=r()/r()/r(),a,a,a/b),arc(b*(j%31),b*(j/31|0),r()*b,0,7)

Oct 20 2019 6:20 PM UTC

}// 128/140

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u/tomxor

#art
u/Odog8

looks kinda like TV static!
u/joeytwiddle

Hello http://www.pouet.net/prod.php?which=564
u/DataMeta

Wow that is really legit

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tomxor

remix of d/16179 by u/tomxor

function u(t) {

eval(unescape(escape`景爨汥琠栽䵡瑨⹨祰潴ⱷ㵣⹷楤瑨㴱㈰ⱘⱙⱚⱩ㴸攳ⱪⱳ㵓⡴⤪㈴㭩ⴭ㭸⹦楬汒散琨堽椥眬夽椯眬ㄬ栨堬娫眪䌨琯㈩⤯眩⥦潲⡪㴸ⱚ㵷㭪ⴭ㬩娭㵍慴栮浩渨栨堭㘰ⱙⴳ㐬娩ⴱ㠬栨堭㘰⵳ⱙⴳ㐭猬娭䌨琩⨴㠩ⴳ⤻`.replace(/u(..)/g,"$1%")))

Oct 19 2019 10:09 PM UTC

}// 140/140

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Ray Marching SDF Orbit

u/tomxor

Includes local var perf improvement from u/pavel, union of two spheres with terrible fake shading and loads of marching artifacts :) just imagine a big ol' blury lense
u/aleamb

#sdf #raymarching
u/katkip

WOW

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joe.m

remix of d/16167 by u/joe.m

function u(t) {

r=Math.random
!t||!s.length?s=[r()*1e6|0]:0
for(i=w=1e3;i--;x.fillRect(2*q/w,q%w,2,1))if(!u[q=s.shift()]*r()>.5)u[q]=s.push(q-1,q+1,q+w,q-w)

Oct 19 2019 8:00 PM UTC

}// 140/140

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black mould

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New_Core

function u(t) {

for(i=1080;i--;)x.fillStyle=R(a=i+300*S(t+20*S(C(t+i/99*S(t))+i/99))-200,a/4),x.fillRect(0,i,5,1)
x.drawImage(c,5,0)

Oct 19 2019 4:29 PM UTC

}// 116/140

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u/joeytwiddle

#glow #plasma

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pavel

remix of d/16169 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𫁥𭀠𪐽𝐶𜀰𛁷👣𛡷𪑤𭁨🐹𞐬𦀬𦐬𦠬𪠬𬰽𜐶𞱩𛐭𞱸𛡦𪑬𫁒𩑣𭀨𦀽𪐥𭰬𦐽𪐯𭰬𜐬𛠶𛑚𛱷𚐩𩡯𬠨𪠽𝀬𦠽𭰻𪠭𛐻𚑚𛐽𣑡𭁨𛡨𮑰𫱴𚁘𛐵𜀬𦐯𜠬𦠩𛑳𛑓𚁙𛱳𚱴𚠴𚐪𞀫𠰨𝐪𤰨𦐯𬰫𠰨𦀯𝠩𚐫𝐪𤰨𦀯𬰫𤰨𦠯𬰫𦐯𝠫𭀪𞀩𚐫𭀩𚠵`.replace(/u../g,'')))

Oct 19 2019 4:18 AM UTC

}// 134/140

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Ray Marching SDF Smoke #improved fps

u/tomxor

huh, did not know about Math.hypot, also it's weird how sensitive V8 is to globals... or rather how it seems incapable of optimising them into locals itself.
u/tomxor

#smoke
u/aleamb

#sdf #raymarching

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KilledByAPixel

remix of d/15272 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁦𪑬𫁒𩑣𭀨𜀬𜀬𨰮𭱩𩁴𪁼🐰𛀲𩐳𚐬𪰽𝀹𞱫𛐭𞱦𪑬𫁓𭁹𫁥👫𛐲𜠿𘠣𡡆𡠢𞠧𤡅𡀧𛁦𪑬𫀨𚐬𨡥𩱩𫡐𨑴𪀨𭀽𛑴𚐩𩡯𬠨𪠽𪰭𜠲🰴𞀺𞐶𞱪𛐭𞱡𬡣𚁫𙐹𚡷𛀶𜀫𚁺👫𛰹𯀰𚐪𭰬𞐹𚰴𜀪𚁪𙐱𜠾𝠩𛁱👴𚠲𚱪𛰱𝐮𜰫𪰯𜐮𜠷𜰬𬐩𚑷🐲𝀰`.replace(/u../g,'')))

Oct 18 2019 5:03 PM UTC

}// 138/140

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Misfit Gears ⚙️

u/katkip

#genius
u/aleamb

superb!! amazing!
u/aleamb

#gears
u/KilledByAPixel

#Inktober day 18: Misfit

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katkip

function u(t) {

for(i=1920;i--;)x.fillRect(i*(1+t/9),frame+S(t+S(i/99+t/4)*C(i/40+t)+i/30*C(i/90)/40)*(100+t/9),t/2,t);x.globalAlpha=.1

Oct 18 2019 3:55 PM UTC

}// 119/140

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rodrigo.siqueira

remix of d/14541 by u/rodrigo.siqueira

function u(t) {

for(var I=1080;I--;)for(var b=t/15,k=12;k--;)
b=C(I/999+b*C(b*b/2)+4)*b-2.8,
x.fillStyle=R(b*120,b*b*13,0),
b>0&&x.fillRect(t*120,I,2,.8)

Oct 17 2019 12:16 AM UTC

}// 137/140

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Orange Marbled Patterns of Chaos - Nonlinear interactions inspired by an old paper marbling technique. #texture

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afs

function u(t) {

p=Math.PI;with(x)for(c.width|=i=40,translate(960,540);i--;)q=p/20,l=S(t+i*q)*100,beginPath(fill(arc(C(t+i*q)*400,l,7+(l/40),0,6)))

Oct 16 2019 9:26 PM UTC

}// 130/140

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katkip

remix of d/16132 by u/katkip

function u(t) {

if(!t)x.translate(q=960,540);x.fillStyle='#fff4';for(i=345;i--;c.style.background='#102')x.fillRect(S(i*i)*i*t,i*C(i*i)*t,5,5)

Oct 16 2019 12:21 PM UTC

}// 126/140

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Big bang #space

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