Dweets by u/dull_pixel

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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dull_pixel

remix of d/22721 by u/BackendForth

function u(t) {

c.width|=0
for(i=99;i--;)x.arc(i*(50),540,(t-i<0?0:t-i)*50,0,7)
x.stroke()

May 7 2021 1:34 AM UTC

}// 74/140

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how a sonic boom works

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dull_pixel

remix of d/20442 by u/katkip

function u(t) {

x.fill.x=`x(`
t/=1
x.globalAlpha=t
x.beginPath();
x.arc(500+t*216,320+1*216,500,0,7)
x.fill()

Nov 3 2020 10:48 PM UTC

}// 93/140

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dull_pixel

function u(t) {

t?c.width|=0:C=W=0;C;onkeydown=e=>C+=1;x.font='99px"';x.fillText(+~~C+'',9,90)
onclick=e=>C=0

Sep 7 2020 2:43 AM UTC

}// 93/140

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- press any key to increase it, and click to reset it -

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dull_pixel

remix of d/18440 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,Y,n=6)=>Y<20?f(X*X-Y*Y-.8,2*X*Y+.2,n+.16):x.fillStyle=`hsl(${i/7},100%,${n*n}%`;i--;x.fillRect(i,t*60,1,999))f(i/480-2,1-t/9)

Jun 17 2020 7:58 AM UTC

}// 140/140

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Just a spiky rainbowww

u/dull_pixel

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