Dweets awesomed by u/DataMeta

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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rodrigo.siqueira

remix of d/14415 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,2e3,2e3)
v=(a,b,Φ,r)=>{for(i=0;i++<r;)x.clearRect(a-=S(Φ),b-=C(Φ),s=r/9,s)
r>8&&v(a,b,Φ+S(t*i**9)/2,r*=.9)}
v(940,1e3,0,99)

Aug 14 2019 1:21 AM UTC

}// 138/140

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Tesla rays #organic

u/KilledByAPixel

Φ

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rodrigo.siqueira

remix of d/15329 by u/tomxor

function u(t) {

for(a=b=0,i=1e4*(t<9);i--;x.fillRect(a*640,b*800-500,1,.1)) 
r=1|Math.random()*3,
a+=(r-a+b*C(b*3))*.5,
b+=(2-a*b+C(b*3))*.25

Aug 13 2019 12:05 PM UTC

}// 125/140

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Chaos Photographer, Pic 1, Remix 1 #spiral

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tomxor

remix of d/15387 by u/taupelink

function u(t) {

g=(a,b)=>b?g(b,a%b):a;f=()=>(X=t?X:1,X^=X<<13,X^=X>>17)%1e7|0;t||(m=n=0);n++;g(f(),f())-1||m++;x.fillRect(n%1920,1080*(1-m/n),1,1);throw m/n

Aug 13 2019 9:44 AM UTC

}// 140/140

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Deterministic version using 2/3 of an XORSHIFT seeded with 1.

u/taupelink

Cool!

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katkip

remix of d/15393 by u/katkip

function u(t) {

eval(unescape(escape`𒡩𩠨𘑴𚑻𬐽𦱝𞱦𫱲𚁩🐱𞐲𞱩𛐭𞰩𬐮𬁵𬱨𚁩𙐳𚑽𩡯𬠨𪐽𜐻𪐼𬐮𫁥𫡧𭁨𞱩𚰫𚑸𛡦𪑬𫁓𭁹𫁥👒𚁱𦱩𧐪𜐲𞀩𛁱𦱩𧐽𚁱𦱩𚰱𧐪𬑛𪐭𜑝𧠲𧡱𦱩𧐩𙐳𛁸𛡦𪑬𫁒𩑣𭀨𪐪𜐰𛀰𛀱𜀬𜐰𚐻𮀮𩁲𨑷𢑭𨑧𩐨𨰬𜀬𜐰𚐻`.replace(/u../g,'')))

Aug 11 2019 5:33 PM UTC

}// 124/140

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Extremely interesting rule I discovered!

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DataMeta

remix of d/12610 by u/ear7h

function u(t) {

w=960,h=540;for(i=0;i<70;i+=0.1)u=i*h/20,Q=(u-w)*(u-w)/4.2e5-1,
x.fillStyle=R(l=i^t*i%255,l,l),x.fillRect(u,h+S(t+i)*l*Q,d=9,9)

Aug 11 2019 5:18 AM UTC

}// 127/140

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u/magna

Sweet!

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taupelink

remix of d/15380 by u/taupelink

function u(t) {

g=(a,b)=>b?g(b,a%b):a;f=()=>Math.random()*1e7|0;t||(m=n=0);n++;g(f(),f())-1||m++;x.fillRect(n%1920,1080*(1-m/n),1,1);throw m/n

Aug 11 2019 4:25 AM UTC

}// 126/140

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If you take two random integers of at most 7 digits each, what is the probability that they are relatively prime? This simulation suggests somewhere around 60%

u/taupelink

In the graph, the x-axis shows number of trials, modulo 1920 (i.e. with wraparound). The y-axis shows % of trials with GCD 1, with 0% at bottom and 100% at top.
u/taupelink

After a little Web searching: Under more general conditions, the precise answer appears to be 6/π^2, or about .608. See, e.g., https://www.cut-the-knot.org/m/Probability/T…
u/aleamb

#math

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tomxor

remix of d/15355 by u/tomxor

function u(t) {

eval(unescape(escape`挮獴祬攽❦楬瑥爺楮癥牴⠱✻景爨愽戽瀽㌮ㄴⱩ㴲攴㭩ⴭ㭡⬽⡲ⵡ⭢⩓⡡⩰⤩⼴Ɫ⬽⠰ⵡ⩢⭃⡡⩰⤩⼴⥩☱☦砮晩汬剥捴⠹㘰⬶㐰⩓⡙㵢⬲⤪䌨堽愯⸳⤬㠰〫㘴〪䌨天Ⱞㄬ䌨堫⸵⤪⨮㤫⸱籼⸱Ⱳ㴨楞愪椯琩┲⤻`.replace(/u(..)/g,"$1%")))

Aug 10 2019 11:46 PM UTC

}// 140/140

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M Class ? #planet #space

Show more comments…
u/tomxor

#waitforit
u/aleamb

nice!
u/13thptr

amazing! #d3 #shading
u/tomxor

Thanks :)
u/magna

O M F G
u/moto

great
u/katkip

looks good

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KilledByAPixel

remix of d/15348 by u/katkip

function u(t) {

c.width|=p=44/7
for(w=i=500;i--;x.lineTo(960+S(q*p*2)*900*C(t/3+p*q),540+C(q**3*p*8)*w*S(t/5+p*q)))q=i/w
x.rect(0,0,2e3,2e3)
x.fill`evenodd`

Aug 10 2019 4:50 PM UTC

}// 140/140

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Remix 9 #rc_kbap

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DataMeta

function u(t) {

r=Math.random;d=r(e=r(f=r()));
for(i=255;i--;x.fillStyle=R(i*d,i*e,i*f,.009))
x.fillRect(960+(g=S(t)*i/.7),540+(h=C(t)*i/.7),-g*d,-h*e)

Aug 10 2019 4:22 PM UTC

}// 135/140

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on led-based screens it both blends to gray more, and displays more vibrant primary-adjacent colors than on lcd

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DataMeta

remix of d/15356 by u/DataMeta

function u(t) {

c.width=600;for(i=360;i-=8;)for(j=360;j-=8;)h=t*t**.4,
x.fillRect(122+i,j,g=((h^i)&(j^h))**.1*t%8,g)

Aug 9 2019 11:16 PM UTC

}// 100/140

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h=64+t*t**.4

u/rodrigo.siqueira

#sierpinski

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