New #synthwave 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: #Opposites

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rodrigo.siqueira

remix of d/28987 by u/rodrigo.siqueira

function u(t) {

K=!t||K+9
for(i=2e3;i--;x.fillStyle=R(T=240,80),x.fillRect(i,K-Y,1,4))Y=C(t+i/T-C(i/T-C(K/50))/t)**2*T,x.fillStyle=R(),x.fillRect(i,K,1,-Y)

Nov 27 2023 8:40 PM UTC

}// 139/140

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There are no "behind lines"! #mountains

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robbyg

remix of d/16280 by u/robbyg

function u(t) {

with(x)for(rect(0,440,a=c.width|=0,a),clip(arc(960,350,300,0,7)),i=60;i--;fillStyle=R(z=250-i*6,z/2,i*i))fillRect(0,i*40,a,25+i/2)

Oct 24 2019 2:42 PM UTC

}// 130/140

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Back up to higher res. #synthwave

u/katkip

now the circle is a circle
u/katkip

clever use of clip

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robbyg

remix of d/16261 by u/katkip

function u(t) {

with(x){beginPath(c.width=192),rect(0,52,a=200,a),clip(arc(96,35,30,0,7))
for(i=a;i--;fillStyle=R(300-i*9,70-i,i*i))fillRect(0,i*4,a,3)}

Oct 24 2019 2:45 AM UTC

}// 136/140

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Lost the background but gained a round sun. :) #synthwave

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katkip

function u(t) {

for(c.style.background='#313',i=99;i--;)x.fillStyle=R(255-i*9,99-i*i,i*i),x.fillRect((i<10?960-S(z=i/4)*200:0),99+i*40,i<10?S(z)*400:2e3,20)

Oct 23 2019 2:35 PM UTC

}// 140/140

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#synthwave

u/katkip

the sun is pretty weird, i know lol

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katkip

function u(t) {

x.beginPath(x.lineWidth=4),x.arc(960,540,250,-3.6,.4);for(i=29;i--;)x.moveTo(0,640+i*i/2),x.lineTo(2e3,640+i*i/2),x.stroke()










//lol

Jun 15 2019 1:01 PM UTC

}// 140/140

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#sunset #synthwave

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jylikangas

function u(t) {

for(c.width=W=i=512,t*=w=99;--i;x[f](225-z+(t--&2?z*2:t&9?0:z)+S(t/w)*i,w+z,z/=7,z))z=2e3/i,x[f='fillRect'](!x[f](i,0,S(t/W),w),w+z/32,W,.5)

Nov 20 2018 4:55 PM UTC

}// 140/140

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I drove all night (and day)

u/cantelope

amazing! #road #synthwave
u/pavel

The backdrop is glitched on mobile Safari.
u/jylikangas

137b: for(c.width=W=i=512,t*=w=99;--i;x[f](225+(t--&2?z:t&9?-z:0)+S(t/w)*i,w+z,z/=7,z))z=2e3/i,x[f='fillRect'](!x[f](i,0,S(t/W),w),w+z/32,W,.5)
u/iverjo

Wow!
u/taupelink

#scene

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cantelope

function u(t) {

eval(unescape(escape`爽焽㹸孱㼢汩湥呯∺≭潶敔漢崨眫⡘ⴲㄩ⽚⩷ⰱ⸵⽚⩷⤻景爨眽㔰〬椽挮睩摴栽ㅥ㌬砮獴牯步却祬攽✣㠰昧ⱸ⹦楬汒散琨〬〬椬椩㭩ⴭ㭲⡚⬫⤬爨堭⴩⥘㴨椫匨琩⨴⤥㐰ⱚ㴱⬨椯㐰簰⤭琪㔥ㄬ爨⤻砮獴牯步⠩`.replace(/u(..)/g,"$1%")))

Aug 19 2018 6:39 PM UTC

}// 139/140

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CocoMeister

function u(t) {

for(i=0;270>i;i++)x.fillRect(frame*T(i)+960,40*t,2,2);x.fillStyle="hsl("+2*frame*T(i)+",70%,50%)",x.rotate(3e-4*C(t))

May 1 2018 8:23 AM UTC

}// 117/140

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u/magna

Pretty!
u/katkip

#synthwave

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