Hot dweets by u/sj_

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

} // 112/140

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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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sj_

function u(t) {

x.fillStyle=R(15*t,100,200);
x.fillRect(
 c.width/2 + C(t) * 500,
 c.height/2 + S(t) * 500,
10,10);

Feb 11, 2018 9:40 PM

}// 99/140

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sj_

function u(t) {

for(i=0;i<50;i++){x.fillStyle=`hsla(${30+i*10},70%,${50+i}%,.7)`
x.fillRect(-700-(C(t)*700)+80*i,-100+S(800*i)*t,50,50/t*50)}

Jan 25, 2018 3:14 AM

}// 125/140

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u/njm

Very cool idea! Hope you like my remix

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sj_

remix of d/6465 by u/sj_

function u(t) {

for(j=0;j<5;j++){r=t*10-j*10;for(i=0;i<300;i++){m=i*10;x.fillRect(500+300*S(j)+T(r)*C(m),200+180*j-T(r)*S(m)*S(t),5,5)}}

Jan 25, 2018 8:47 AM

}// 120/140

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Gah, wanted this in color (see d/6465) but couldn't get it below 140 D:

u/sj_

Planets 2

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sj_

function u(t) {

for(j=0;j<5;j++){r=t*8-j*8;for(i=0;i<300;i++){m=i*10;x.fillStyle=`hsl(${j*i},100%,70%)`;x.fillRect(350*j+T(r)*C(m),600-T(r)*S(m)*S(t),5,5)}}

Jan 25, 2018 8:40 AM

}// 140/140

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Planets 1

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sj_

function u(t) {

c.width=1920;for(j=6;j<8;j++){for(i=1;i<11;i++){x.fillStyle=R(241,219,20,1-.1*i);x.fillRect(1180+S(t*j)*50*i,90+400/(i*3),i*7,100+i*i*10)}}

Jan 23, 2018 2:35 AM

}// 139/140

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Butterfly 2

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sj_

remix of d/6243 by u/sj_

function u(t) {

c.width=1920;for(i=0;i<9;i++){x.ellipse(900+200*S(t*i)+i*5,500+(t*10)*S(i/t*10)*T(i),10,10,0,0,360);x.fillStyle=R(5*t,20*i,100,.5);x.fill()}

Jan 20, 2018 11:08 AM

}// 140/140

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Butterfly 1

Show more comments…
u/aleamb

nice!
u/joeytwiddle

Novel style
u/Xen

nice one :-)
u/magna

Sweet!
u/sj_

thanks y'all!
u/donbright

superb

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sj_

function u(t) {

c.width=1920 
for(i=0;i<9;i++)
x.ellipse(i*200+S(t)*300,500+500*C(i*t),100,100,0,0,360)
x.fill()

Jan 20, 2018 4:57 AM

}// 97/140

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sj_

function u(t) {

x.beginPath();for(i=0;i<3;i++){x.arc(500+10*i*T(t/i),500+i*S(t/2)*10*t,2,0,10)}x.stroke()

Jan 16, 2018 12:09 AM

}// 89/140

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Reflection: bird skimming water

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sj_

function u(t) {

for(i=0;i<12;i++){x.fillStyle=R(2*i,28*i,255,.05)
x.fillRect(200+i*100+T(t*2)*300,80*i,50,90)
x.fillRect(200*i,+i+T(t)*300,195,30)}

Jan 12, 2018 7:23 PM

}// 131/140

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Painting the sky

u/donbright

:) love this palette
u/sj_

thanks!

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sj_

function u(t) {

r=200;for(a=50;a--;){x.fillStyle=R(a*t,40,80,.05);x.fillRect(960+2*r-(a*100)+(r/t*100)*T(t),540+a*10-(r/t*100)*S(t),100,30/a)}

Jan 14, 2018 12:15 AM

}// 128/140

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u/Xen

takes a bit to paint but looks nice

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