Top dweets by u/katkip

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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katkip

function u(t) {

/*HAHA WHAT'S HAPPENING?*/
c.width*=40
x.fillText(code.split("/*")[1].split("*/")[0],20,20)

Jan 16 2019 1:33 PM UTC

}// 91/140

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katkip

remix of d/11756 by u/katkip

function u(t) {

c.width*=1;t||(V=0,B=0,n=960,m=540);c.onmousemove=e=>{X=e.x*1.4,Y=e.y*1.4};n<X?V++:V--;m<Y?B++:B--;n+=V;m+=B;x.arc(n,m,30,30,0,7),x.fill()

Jan 12 2019 11:33 AM UTC

}// 138/140

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u/Undefined

ReferenceError
u/katkip

^ yes. move your mouse
u/13thptr

gr8 inertia

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katkip

function u(t) {

t||(V=0,B=0,n=960,m=540);c.onmousemove=e=>{X=e.x*1.4,Y=e.y*1.4};n<X?V++:V--;m<Y?B++:B--;n+=V;m+=B;x.fillRect(n,m,10,10)

Jan 12 2019 11:31 AM UTC

}// 119/140

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!! before entering the canvas with the cursor, #fullscreen! It simulates quadratic gravity, not the Newtonian one! only 119 bytes, my own gravity system, inspired from u/metamero 's projects! There is no infinite velocity bug so the rectangle will not disappear so fast. If you have entered the canvas and you didn't fullscreen, reset the project by adding inoffensive changes to the script, then fullscreen. #interactive #physics #gravity

u/metamero

beautiful

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katkip

remix of d/11740 by u/katkip

function u(t) {

c.width^=0;for(i=800;i--;)x.lineTo(960+S(t/2-i*5)*1e3,540+C(t-i*4)*900);x.fill()

Jan 11 2019 2:45 PM UTC

}// 80/140

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katkip

function u(t) {

c.width^=0;for(i=900;i--;)x.lineTo(960+S(t-i*1)*1e3,540+C(t-i*9)*900);x.fill()

Jan 11 2019 2:43 PM UTC

}// 78/140

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#abstract

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katkip

remix of d/11620 by u/f8f82804

function u(t) {

for(i=c.width*=1;i--;Z<1.6&&x.fillRect(960+900*X,540+800*Y/S(t/9),s=9+(9-Z),s)){ϕ=i/600;θ=i-t/5+ϕ*4.5;X=S(θ*3+i)*S(ϕ);Y=C(ϕ);Z=C(θ)*ϕ+2;}

Jan 3 2019 1:11 PM UTC

}// 137/140

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katkip

remix of d/11588 by u/katkip

function u(t) {

c.width|=f=(X,Y,d=700+t*80,a=C(d)*500,b=d/2)=>{if(d>20)x.fillRect(X-b,Y-b,d,d),f(X-b,Y,b),f(X,Y-b,b),f(X+b,Y,b)};x.globalAlpha=.2,f(960,800)

Dec 30 2018 1:37 PM UTC

}// 140/140

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#sierpinski using alpha

u/katkip

#fractal, #recursive

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katkip

function u(t) {

eval(unescape(escape`挮睩摴桞㴰㭣牯獳㴨堬夬猩㴾筩昨猾㄰⥸⹦楬汒散琨堭猬夬猪㈬猯㄰⤬砮晩汬剥捴⡘ⱙ⵳ⱳ⼱〬猪㈩Ᵽ牯獳⡘⵳ⱙⱳ⼲⤬捲潳猨堬夭猬猯㈩Ᵽ牯獳⡘ⱙ⭳ⱳ⼲⤬捲潳猨堫猬夬猯㈩紻捲潳猨㤶〬㔴〬㈸〫䌨琩⨹㤩`.replace(/u(..)/g,"$1%")))

Dec 30 2018 9:30 AM UTC

}// 140/140

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Quadric Cross #fractal #recursion

u/katkip

c.width^=0;cross=(X,Y,s)=>{if(s>10)x.fillRect(X-s,Y,s*2,s/10),x.fillRect(X,Y-s,s/10,s*2),cross(X-s,Y,s/2),cross(X,Y-s,s/2),cross(X,Y+s,s/2),cross(X+s,Y,s/2)};cross(960,540,280+C(t)*99)
u/katkip

It could be golfed more but, eh, I would still need compression

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katkip

remix of d/11573 by u/katkip

function u(t) {

t||x.translate(960,540)
x.fillRect(0,0,9,99)
x.drawImage(c,0,0,t*94,t*94)
x.fillStyle=`hsl(${99*t},80%,50%)`
x.rotate(4.19)

Dec 28 2018 2:54 PM UTC

}// 123/140

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katkip

function u(t) {

c.onmousemove=e=>{X=e.x,Y=e.y};x.fillRect(X*3.38,Y*3.38,5,5),x.fillRect(1920-X*3.38,1080-Y*3.38,5,5);

Dec 28 2018 6:20 AM UTC

}// 101/140

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#symmetry drawer, ambigram generator, shorter version of mine https://www.openprocessing.org/sketch/648327

u/katkip

It's #interactive, use mouse.
u/gpolonus

has no idea setting an event handler like this works. Much shorter and more efficient! Thanks!

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