New #perspective 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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f8f82804

function u(t) {

for(i=c.width^=0;i--;Z<1.6&&x.fillRect(960+800*X/Z,540+800*Y/Z,s=32*(1.6-Z),s))θ=t+(i*.999**S(t)),ϕ=i/600,Z=C(θ)*S(ϕ)+2,X=S(θ)*S(ϕ),Y=C(ϕ)

Sep 7 2018 10:38 PM UTC

}// 138/140

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#perspective #sphere #occlusion

u/donbright

im dizzy

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f8f82804

remix of d/9617 by u/cantelope

function u(t) {

c.width=480;x.translate(w=240,130);x.rotate(S(t));for(i=17;i--;x.lineTo(w*.7*S(p=1.57*i-t+(g=i/4|0)*11)/(Z=2+C(p)),w*(g%2-.5)/Z));x.stroke()

Sep 6 2018 9:32 PM UTC

}// 140/140

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compound 3D rotations #d3 #cube #perspective

u/donbright

awesome
u/cantelope

neat trick :)
u/f8f82804

#wireframe

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cantelope

function u(t) {

eval(unescape(escape`景爨椽ㄷⱸ⹦楬汒散琨〬〬朽⡷㴹㘰⤪㈬朩ⱸ⹦楬汓瑹汥㵠桳污⠤筴⨹㥽ⰹ㤥ⰹ〥Ⱞ㉠㭩ⴭ㭸⹬楮敔漨眫⡓⡰㴱⸵㜪椭琫⡧㵩⼴簰⤪㐮㜱⤯ㄮ㐩⼨娽㈫䌨瀩⼱⸴⤪眬末⡧┲⬮㌩⽚⩷⤩㭸⹢敧楮偡瑨⡸⹳瑲潫攨⤩`.replace(/u(..)/g,"$1%")))

Aug 31 2018 11:58 PM UTC

}// 140/140

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u/alien

oh... wow
u/iverjo

#cube
u/donbright

!!!!!!!!!!!!
u/f8f82804

#perspective
u/f8f82804

#d3 #wireframe
u/f8f82804

is this a remix of d/3157?

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f8f82804

remix of d/9340 by u/f8f82804

function u(t) {

c.width=400;y=3-C(t);with(x)font=4/y+'em a',fillText('🌕',200+400*S(t)/y,99+99*C(t)/y),font='2em a',fillText([...'🌍🌎🌏'][t%3|0],188,99)

Aug 23 2018 8:51 PM UTC

}// 133/140

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Fixed the lighting! #perspective #earth #moon #orbit #youarethesun

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f8f82804

remix of d/9252 by u/f8f82804

function u(t) {

x.globalAlpha=.01;x.fillRect(0,0,2e3,2e3);for(i=a=30;z=--i*a*C(b=i+99*t/i/i);)x.clearRect(960+3e5*S(b)*i/(d=2e3-z),540+1e3*z/d,9,9)

Aug 22 2018 4:44 PM UTC

}// 131/140

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#perspective #galaxy #trails

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cantelope

function u(t) {

eval(unescape(escape`景爨瘽㌴〬眽⡣⹷楤瑨簽〩⼲ⱸ⹦楬汒散琨〬〬眪㈬瘪㐩Ⱪ㴹㤻椭ⴻ⥦潲⡪㴵㤻樭ⴻ⥘㵩⼲ⴲ㔭䌨琩ⱙ㴵⭓⡩⼵⤪匨樯㔫琪㌩ⱸ⹦楬汓瑹汥㵠桳氨⑻太㤹紬㄰〥ⰵ〥怬砮晩汬剥捴⡷⭘⽪⩷ⱙ⽪⩷ⱳ㴹㤯樬猩`.replace(/u(..)/g,"$1%")))

Aug 19 2018 6:44 PM UTC

}// 138/140

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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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f8f82804

remix of d/9191 by u/f8f82804

function u(t) {

x.globalAlpha=.1;for(i=a=30;z=--i*a*C(b=i+99*t/i/i);)x.fillRect(960+3e5*S(b)*i/(d=2e3-z),540+1e3*z/d,9,9)

Aug 16 2018 1:29 AM UTC

}// 105/140

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#perspective #galaxy

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f8f82804

remix of d/9190 by u/f8f82804

function u(t) {

x[s='fillStyle']='#0001';x[r='fillRect'](0,0,w=1920,w);for(i=a=30;z=--i*a*C(b=t/i/i);x[s]='red')x[r](w/2+3e5*S(b)*i/(d=w-z),w/4+1e3*z/d,9,9)

Aug 10 2018 12:00 AM UTC

}// 140/140

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#galaxy #trails #perspective -- had to give up the "random" starting locations to fit in a perspective transform. Using red saves a character over #fff.

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f8f82804

remix of d/7280 by u/prplz

function u(t) {

for(X=240;X--;)for(Y=64;Y--;)x.fillStyle=`hsl(${X+255*(t+Y/(k=Y-72))} 90%${50*((X-120)/k+t+9&1^Y/k&1)}%)`,x.fillRect(X*8,1080-Y*8,8,8)

Aug 7 2018 11:22 PM UTC

}// 134/140

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Rainbow checkerboard #d3 #perspective #raytrace #slow

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