Top dweets by u/Jenky

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: #ScaryMovies

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Jenky

function u(t) {

t||(n=c.cloneNode(0),c.parentNode.replaceChild(n,c),g=n.getContext("webgl"))
g.clearColor(.7+.3*S(t*4),0,0,1)
g.clear(16384)

Apr 19 2017 9:49 AM UTC

}// 124/140

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WebGL, anyone? :D

u/Jenky

Kinda sucks it takes so many bytes to set up, anyone have ideas to shorten?
u/magna

Just keep drawing the new, off-screen canvas onto the existing 2D context seems to work (though, is probably inefficient): https://www.dwitter.net/d/2535

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Jenky

function u(t) {

w=c.width=568;r=Math.random
t?0:(m=e=>z=[r()*w,r()*w/2])()
onmousemove=e=>{(e.x-z[0])**2+(e.y-z[1])**2<81?m():0}
x.arc(...z,9,0,7);x.fill()

Apr 7 2017 10:31 AM UTC

}// 139/140

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Try to hover over the circle! Doesn't work in fullscreen :'(

u/Jenky

Did make a more game-like version that did work fullscreen at 190 bytes, kept score and everything, but couldn't golf it any lower
u/Jenky

Also this one only works in Chrome again, thanks to e.pageX/pageY being slightly too long
u/donbright

c.width=568 t?0:(m=e=>z=[f=frame%568,(f<<4)%250])() onmousemove=e=>{(e.pageX-z[0])**2+(e.pageY-z[1])**2<81?m():0} x.arc(...z,9,0,7);x.fill()
u/donbright

that is a firefox version :)

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Jenky

function u(t) {

t?(p=s[d%2]+=(d/2<1?4:-4),s[d%2]=p>800?0:p<0?800:p,x.fillRect(...s,8,8)):(s=[96,96],d=0,onkeyup=e=>{n='dsaw'.indexOf(e.key),d=n%2==d%2?d:n})

Mar 29 2017 1:19 AM UTC

}// 140/140

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WASD Snake!

u/Jenky

You can change the controls by editing 'dsaw' to any four letters, starting with whichever is to be "move right", going clockwise
u/donbright

the controls seem a bit unreliable on my sytem (firefox linux) but when it works, it is reaally cool, one of my favorite dweets ever. nice
u/donbright

remix https://www.dwitter.net/d/2350

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Jenky

function u(t) {

c.width=c.clientWidth;m=!t?[0,0]:m;c.onmousemove=e=>m=[e.layerX,e.layerY];x.font="1em A";x.fillText(m,...m)

Mar 23 2017 2:33 AM UTC

}// 107/140

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Compact-ish MousePos retrieval, fixed compatibility, golfed

u/recursive

ooh nice, no more 3.3

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Jenky

remix of d/2393 by u/nowaythisisyourregisterform...

function u(t) {

with(c){t?0:onmousemove=e=>{x[e.buttons?'lineTo':'moveTo'](e.pageX*width/offsetWidth,e.pageY*height/offsetHeight);x.stroke()}}<!--Draw :D-->

Apr 2 2017 4:57 PM UTC

}// 140/140

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u/donbright

Loved it. Remixed. https://www.dwitter.net/d/2401
u/nowaythisisyourregisterform...

Good stuff!!
u/cantelope

Also remixed. Great job on the mouse handling! https://www.dwitter.net/d/2425

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