New #WaitForIt dweets

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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Noah

function u(t) {

[99,300,S(t*88)*99+200].map(r=>x.fillRect(850+S(t)*r+(f=~~t%3-1)*250,350+C(t)*r+Math.abs(f)*400,5,5))

Sep 18 2018 7:34 PM UTC

}// 101/140

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Not the same as previous, but went from 162 to 101, again huge thanks to u/yonatan

u/Noah

How to codegolf "101" course
u/username

#waitforit

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gho.xlrtx@gmail.com

function u(t) {

t||(X=960,Y=540,D=10,F=J=Q=0,N=1)
if(J>2*F)F+=1,Q=F%2?-1:1,J=1
J>F?Y+=D*Q:X-=D*Q
for(I=2;I<N&&N%I!=0;I++);
I==N&&x.fillRect(X,Y,D,D)
J++
N++

Sep 18 2018 8:40 AM UTC

}// 140/140

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Ulam Spiral && Patterns in Prime Numbers

u/katkip

awesome
u/f8f82804

Impressive! #math #waitforit
u/donbright

!!!!!!!!!!!!!!!!!!!!!

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katkip

remix of d/9871 by u/katkip

function u(t) {

if(!t)p=0;{for(i=0;i<3;i++)x.lineTo(-540+i*20+S(p)*540+p*7,540+C(p)*540+C(p));x.stroke();p+=0.2}

Sep 16 2018 8:53 AM UTC

}// 96/140

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#waitforit BPC #fractal

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yonatan

function u(t) {

t?T=f=>130+f(i)*i%9+f(i*i)*i**.4*t:c.width=568
for(i=5e3;t<4&&i--;x.fillRect(T(S),T(C)+t*t*2,1/t,1))x.fillStyle=`hsl(98 60%${t*13-T(C)/8}%`

Sep 11 2018 11:12 PM UTC

}// 139/140

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Marimo - a remake of tail_y's http://wa.zozuar.org/code.php?c=md93

u/yonatan

#organic #grass #waitforit
u/donbright

incredible
u/joeytwiddle

Hairy! Set c.width=250 to zoom in
u/kipkat

Looks like a #fireworks for me

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katkip

remix of d/9727 by u/katkip

function u(t) {

eval(unescape(escape`搽孝㭣⹷楤瑨帽〻景爨椽〻椫⬼㘻⥱㴭匨㤪椯㠪㝥㌪琯㈹⤪㜯椪椪琬搮灵獨⡍慴栮慢猨ㄫ焥㐸簰⤩㭩昨琾㈦♍慴栮牡湤潭⠩㰮〵⥰慵獥䑥浯⠩㭸⹦潮琽✶捭⁸✻砮晩汬呥硴⡤⹪潩湠ⵠⰰⰵ㐰⤻瑨牯眠搮橯楮怠总`.replace(/u(..)/g,"$1%")))

Sep 9 2018 9:57 AM UTC

}// 140/140

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6/49 lotto calculator -> most common numbers #waitforit

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DataMeta

function u(t) {

c.width|=i=768;x.transform(1,0,0,1,960,540)
for(i;i--;x.rotate(t/64))x.fillRect(i,i,i/8,i)

Sep 9 2018 4:12 AM UTC

}// 90/140

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u/katkip

idk why but this was satisfying
u/f8f82804

#waitforit
u/rep_movsd

Hypnotic

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prplz

remix of d/9514 by u/prplz

function u(t) {

x.setTransform(1,0,0,1,960,540)
x.strokeStyle=`hsl(${t*99},50%,50%)`
x.rotate(t)
q=t%9*99
x.strokeRect(-q,-q,q*2,q*2)

Sep 9 2018 1:32 AM UTC

}// 117/140

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u/DataMeta

Ooh, very nice!
u/DataMeta

#waitforit

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katkip

remix of d/7469 by u/Agnes

function u(t) {

with(x)for(w=c.width|=i=0,translate(w/2,540);i++<500;r=1*w/i,rotate(o=0.02*t),fillStyle=`hsl(${-t*i},90%,40%)`,fillRect(m=r*2,m-t,r*m,m*r));

Sep 7 2018 1:44 PM UTC

}// 140/140

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#waitforit #tunnel

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anotherkitten

function u(t) {

for(i=0;i<5e3;i+=63){e=t+i/t
o=990+C(e)*i/3
p=550+S(e)*i/5
x[w="fillStyle"]="#e4b6"
x[q="fillRect"](o,p,20,60)
x[w]="#2ff8"
x[q](o,p,20,30)}

Aug 31 2018 10:01 PM UTC

}// 140/140

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#waitforit

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Exca

function u(t) {

for(i=0;i<5184;i++){q=i%96,w=i/96|0
y=S(q*C(t)/5+w*S(t)/6)*t*9
o=S(q/7+w/4)*t*9
x.fillStyle=R(y^o,y|o,y+o+199)
x.fillRect(q*20,w*20,20,20)}

Aug 31 2018 12:12 PM UTC

}// 139/140

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Fixed previous one. Wait for a few seconds for effect to start.

u/magna

#waitforit

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