Hot dweets by u/magna

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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magna

remix of d/22291 by u/magna

function u(t) {

for(i=3e3;i--;x.fillRect((X*2+1-v*v)*15,Y*30,v*v*30,30))X=i%64,Y=i>>6,v=S(Math.atan2(X-32,Y-18)**4-t),x.fillStyle=`hsl(80,99%,${(v+1)*50}%`

Mar 30 2021 2:33 AM UTC

}// 139/140

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Visiting Dormammu

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magna

function u(t) {

for(i=9;i--;)x.fillRect((t/Math.PI/2|0)*90+30+i*10+S(t)*30,(t*54/Math.PI/2|0)%54*20,5,20)

Mar 30 2021 12:40 AM UTC

}// 89/140

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#default brush

u/magna

(Grossly unoptimized to keep the math easily tweakable)
u/magna

#slowdraw

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magna

remix of d/22246 by u/taupelink

function u(t) {

for(i=800;--i;x.fillRect(960+9*X*C(Y),9*X*S(Y),w=i/2**t,w))f=i*t,X=f*f%200,Y=X*f%4,x.fillStyle=R(q=i*S(X**.5+Y<<3),q%C(X>>2)*i,q**3,.1)

Mar 29 2021 5:33 PM UTC

}// 135/140

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Candy remix

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magna

remix of d/22293 by u/magna

function u(t) {

f=_=>S(t+X/(Y-18)+Y/(X-32))
for(i=3e3;i--;x.fillRect((X*2+1-v*v)*15,Y*30,v*v*30,30))v=f(X=i%64,Y=i>>6),x.fillStyle=`hsl(20,99%,${(v+1)*50}%`

Mar 30 2021 3:04 AM UTC

}// 140/140

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magna

remix of d/22258 by u/magna

function u(t) {

f=_=>S(t+Y**.6+S(X/6+t*3))
for(i=3e3;i--;x.fillRect((X*2+1-v*v)*15,Y*30,v*v*30,30))v=f(X=i%64,Y=i>>6),x.fillStyle=`hsl(0,99%,${(v+1)*50}%`

Mar 30 2021 2:21 AM UTC

}// 138/140

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magna

remix of d/22145 by u/danny@hille.dk

function u(t) {

T.valueOf=_=>Math.random()*255
x.fillRect(T*8,T*5,T,T)
x.fillStyle=R(T,T,T)

Mar 26 2021 1:26 PM UTC

}// 75/140

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valueOf trick

u/danny@hille.dk

Neat trick, didnt know that one

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magna

remix of d/22157 by u/magna

function u(t) {

x.globalCompositeOperation='xor'
T.valueOf=_=>Math.random()*255
x.fillStyle=R(T,T,T)
x.fillRect(T*8,T*5,s=T|0,s)
x.drawImage(c,T(T),0)

Mar 26 2021 8:49 PM UTC

}// 134/140

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glitchy pastels #glitch

u/magna

Excerpt: T(T)
u/DataMeta

#hiddengem

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magna

remix of d/22145 by u/danny@hille.dk

function u(t) {

eval(unescape(escape`吮癡汵敏昽䵡瑨⹲慮摯活砮晩汬却祬攽刨琿株吺㌰ⱴ㽨⩔㨸㐬琿株吺㘰⤻砮晩汬剥捴⡴㽔⨱㔼㰷㨰ⱴ㼨吪㈷簰⤪㈰㨨栽㔴〩ⱴ㼱㈸㨱㤲〬琿㈰㩨⤻砮景湴㴧㥣洠業灡捴✻砮晩汬呥硴⠧䕖䕒䝒䕅丧ⰲ㄰ⰹ〰⤠`.replace(/u(..)/g,"$1%")))

Mar 26 2021 11:05 PM UTC

}// 138/140

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blockage intensifies

u/magna

Not sure if I got the container aspect ratio right :`(
u/magna

#suez #meme #evergiven
u/testomo

test

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magna

remix of d/22152 by u/magna

function u(t) {

x.globalCompositeOperation='difference'
T.valueOf=_=>Math.random()*255
x.fillStyle=R(T,T,T)
x.fillRect(T*8,T*5,T,T)
x.drawImage(c,-2,0)

Mar 26 2021 8:45 PM UTC

}// 135/140

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#glitch

u/DataMeta

cool! #waitforit

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magna

remix of d/21967 by u/magna

function u(t) {

for(c.width|=i=9;i--;x.fillRect(-425+i*100,-103,99-p**.3*50,206))p=t/2%1,Z=2.26+p*7.34,x.setTransform(k=C(A=1.57*p)*Z,z=S(A)*Z,-z,k,960,540)

Mar 15 2021 4:28 AM UTC

}// 140/140

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zooming #default #perfectloop

u/magna

I guess, also #fracture

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