Top dweets by u/New_Core

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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New_Core

remix of d/8858 by u/New_Core

function u(t) {

b=["screen","color-burn"]
for(i=99;i--;x.globalCompositeOperation=b[i%2])x.fillStyle="#74"+i,x.fillRect(600+500*S(t+i),500+500*T(i+t),i*7,i)

Jul 13 2018 4:53 PM UTC

}// 140/140

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New_Core

function u(t) {

x.fillRect(0,f=T*S(t),1,f)
x.setTransform(S(a=9),C(a),-C(a),-S(-a),d=955,T=535)
x.drawImage(c,-d,-T,d*2,T*2)
x.fillStyle=`hsl(${f},99%,50%)`

Mar 29 2018 11:17 AM UTC

}// 140/140

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New_Core

function u(t) {

for(i=209;i--;x.fillRect(-1,30,40,1))x.setTransform(k=20*C(b=i/7+t),l=20*S(b),1,1,i*9,550),x.fillStyle=`hsla(${i*4},99%,50%,.1)`

Mar 23 2018 9:37 PM UTC

}// 128/140

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New_Core

function u(t) {

c.width|=c.onmousemove=e=>T=e.offsetX
x.transform(k=S(b=T/200),l=C(b),-l,k,960,460)
for(i=9;i--;)x.fillRect(-400+i*99+S(t)*300,-99,50,200)

Mar 16 2018 3:30 PM UTC

}// 138/140

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u/13thptr

#default

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New_Core

function u(t) {

t?0:b=a=0
window.addEventListener("keydown",k=>(event.keyCode==39?a=1:a=-1))
a>0?b++:0
a<0?b--:0
x.fillRect(960+b*S(t),540+b*C(t),5,5)

Jan 5 2018 7:15 PM UTC

}// 134/140

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just weird painting.. arrow key left and right change - +

u/AnnanFay

Firefox is giving an "event is not defined" error.
u/joeytwiddle

Try k.keyCode instead of event.keyCode in FF

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New_Core

remix of d/3486 by u/cantelope

function u(t) {

for(x.fillRect(0,0,b=i=2e3,i);i--;)x.fillRect(i*25%2e3+50*S(a=t+i*i*.2),i*7%1080+50*C(a/2.1),5,5),x.fillStyle=`hsla(${i},99%,${i%90}%,.05)`

Nov 8 2017 7:32 PM UTC

}// 139/140

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New_Core

function u(t) {

t?0:c.width=a=214
x.clearRect(0,0,a,b=120)
x.drawImage(c,0,i=b+t*60%8*b,a,b,0,0,a,b)
x.fillText("⚾",100+99*S(t),60+50*C(t*1.1)+i)

Nov 6 2017 6:56 PM UTC

}// 129/140

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Unlimited bobs revisited..

u/New_Core

change clearRect to fillRect for black background

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New_Core

function u(t) {

b=c.width=255
r=a=>b*T(b*t)%a
f=a=>x.fillStyle=a
f(R(b*t%3*b))
x.fillRect(0,0,b,b)
x.font=r(6)+'cm a'
f(R(b,b))
x.fillText("☻",r(b)-50,r(b))

Oct 24 2017 8:19 AM UTC

}// 140/140

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acid burn.. https://www.youtube.com/watch?v=BqhWWoB4Fp8&…

u/New_Core

the r function had a Math.random() but I had to replace it with not so random..
u/Xen

nice!
u/sigveseb

Sweet
u/mmastrac

I feel happier

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New_Core

remix of d/3182 by u/New_Core

function u(t) {

e=490
d=x.getImageData(a=910+e*S(t),b=e+e*C(t*1.1),99,99)
for(i=4e4;i--;)d.data[i]=9+d.data[i]%255
x.putImageData(d,a,b)

Sep 21 2017 12:25 PM UTC

}// 120/140

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New_Core

function u(t) {

t||(a=new(AudioContext)(),o=a.createOscillator(),o.connect(a.destination),o.start(a));t%.2>.1?b=Math.random()*1000|0:o.detune.value=b

Mar 3 2017 12:01 PM UTC

}// 133/140

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Remove a from o.start(a) .... this one is based on iverjos small size version.

u/13thptr

#audio

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