Dweets awesomed by u/iverjo

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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leSchieber

function u(t) {

(d=(a,b,n,r)=>{a=a-n/2;b=b-n/2;x.fillRect(a,b,n,n);let m=n/2;if(--r){d(a,b,m,r);d(a+n,b,m,r);d(a,b+n,m,r);d(a+n,b+n,m,r)}})(960,540,500,7)

Jun 16 2018 6:06 PM UTC

}// 138/140

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u/lionleaf

#fractal
u/zanella

Fractals always get my awesome. :)
u/katkip

Indeed

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Bugsy

function u(t) {

for(c.width|=r=999;--r;x.lineTo(960+C(r+t)*a,540+S(r+t)*a))a=r/2
x.stroke()

Jun 16 2018 4:32 PM UTC

}// 75/140

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The graph r=theta spinning around the origin. 65 characters to play with, so there's lots of remixing potential. Try messing around with the trig functions, it leads to some fun results

u/iverjo

Go fullscreen, stare at the center for 30 seconds, then look away from your screen (e.g. look at your keyboard). #opticalillusion
u/iverjo

#short

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Xen

remix of d/5792 by u/sandromiccoli

function u(t) {

t?x.fillStyle=`hsla(${s=(t*49-t*30*C(t))%5e2},90%,50%,.4)`:x.translate(960,540)
x.rotate(t)
x.fillRect(s,s,s,s)
x.strokeRect(s,s,s,s)

Jun 16 2018 7:03 AM UTC

}// 133/140

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u/DataMeta

translucent fillRects with a strokeRect outline... neato

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robbyg

function u(t) {

with(x){drawImage(c,-40,9,w=2e3,h=1080),fillStyle=R(),fillRect(0,0,w,9);for(i=h;i--;)fillStyle='#049',fillRect(Math.random()*w,0,4,9)}

Jun 15 2018 8:21 PM UTC

}// 134/140

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This one makes me fairly uncomfortable.

u/rep_movsd

#underrated

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robbyg

function u(t) {

c.width|=0,v=500;with(x)moveTo(h=t*v%2e3,v),lineTo(h+C(a=Math.abs(S(t*9)))*99,v+S(a)*99),arc(h,v,99,a,-a),fillStyle='#fe0',fill()

Jun 15 2018 5:30 PM UTC

}// 129/140

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#pacman

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Protowalker

function u(t) {

c.width=500
for(i=0;i<10;i++){z=T(t*2+i/10);x.fillRect(250+(i%2?1:-1)*z*50,140+z*i*3,z*=10,z)}

Jun 15 2018 6:33 AM UTC

}// 94/140

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My first dweet! little 3D thingadoo in 94 characters.

u/lionleaf

Welcome! That's a great one! #first_dweet

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DataMeta

function u(t) {

c.width|=0;p=Math.PI;for(i=0;i<800;i++)x.fillRect((i*1.86+C(S(t+i/(p**p)))*p**p+192),(i-S(t+i)*S(t*1.618-i/(p**p/.618))*88+133),9,9)

Jun 15 2018 4:30 AM UTC

}// 132/140

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u/robbyg

Bingo! Dino DNA!
u/aleamb

love it!
u/lionleaf

Cool! #DNA
u/Galaxtone

well dna unraveled

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DataMeta

function u(t) {

c.width|=0;v=Math.abs;for(i=0;i<144;i++)x.ellipse(960+C(t)*64,b=540,b*.618*v(C(t-i)),b*v(S(C(t)+i)),C(S(i))-t+i,C(S(t)+t)-t,9-t);x.stroke();

Jun 14 2018 4:59 PM UTC

}// 140/140

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u/Xen

love it!

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jylikangas

function u(t) {

for(c.width=z=-4;z++;x.fill(new Path2D("M"+[i=d>30?d-30:1,j=i-1?30:d,i,-j,d,-d,d,d])))d=35/(2-t--%2),x.setTransform(z%3?-1:1,0,0,1,150,75)

Jun 14 2018 7:29 AM UTC

}// 138/140

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Endless double doors...

u/pythech

#path2d
u/zanella

*insert music theme for Get Smart here*
u/zanella

*insert music theme for Get Smart here*
u/zanella

(insert music theme for Get Smart here)
u/zanella

Sorry about the multiple comments, it wasn't posting when I clicked the button. :)

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magna

remix of d/8594 by u/magna

function u(t) {

c.width|=0
x.font='66px"'
for(Y=16;Y--;)for(X=29;X--;)x.fillText([...'🕛🕐🕑🕒🕓🕔🕕🕖🕗🕘🕙🕚'][(X+Y+t*9|0)%12],X*66,Y*66+66)

Jun 13 2018 5:10 PM UTC

}// 114/140

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