Hot dweets by u/davidsover

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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davidsover

function u(t) {

x.fillStyle=`hsl(${t*82},99%,50%)`
for(i=0;i<65;i++){x.rotate(t)
x.fillRect(t*500,0,500,50)}

Dec 20 2022 9:17 AM UTC

}// 92/140

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#rainbow

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davidsover

remix of d/24955 by u/Smiley1000

function u(t) {

x.font="30px C"
a=[]
s=(t*3|0)+1
for(n=2;a.length<s;n++){b=1
for(p of a){if(n%p==0)b=0}if(b)a.push(n)}x.fillText(a,S(s)*99+99,C(s)*300+550)

Feb 20 2022 9:51 AM UTC

}// 139/140

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The Tube of Primes

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davidsover

remix of d/23337 by u/davidsover

function u(t) {

z=5e-3
x.rotate(23e-4)
for(i=t*2e4;i<(t+1)*2e4;i++)
x.fillRect(i*C(i)*z+960,i*S(i)*z+540,0.05,3)

Jul 15 2021 1:32 PM UTC

}// 96/140

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Open To Interpretation

u/magna

Pretty!
u/davidsover

Thanks'
u/davidsover

!*

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davidsover

function u(t) {

z=5e-3
x.rotate(1e-3)
for(i=t*2e4;i<(t+1)*2e4;i++)
x.fillRect(i*C(i)*z+960,i*S(i)*z+540,3,0.05)

Jul 15 2021 1:25 PM UTC

}// 95/140

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Black Hole Looking Thing

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davidsover

function u(t) {

for(c.width|=0,x.font="100px A",i=256;i--;)for(j=7;j--;)x.fillText(String.fromCharCode(10240+i),100*(i-j*19-t*2),163*j+75)

Jun 2 2021 6:01 PM UTC

}// 122/140

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Braille Characters

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davidsover

remix of d/22978 by u/davidsover

function u(t) {

b=n=>x.translate(n*t*90,0)
b(1)
x.fillStyle=`hsl(${t*15},99%,50%`
for(j=6;j--;x.rotate(-a)){a=j+t;x.rotate(a)
x.fillRect(0,0,1200,20)}b(-1)

Jun 3 2021 9:17 AM UTC

}// 139/140

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Moving Rotating Color Changing Sweeps

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davidsover

remix of d/22957 by u/davidsover

function u(t) {

a=_=>Math.random()*256
x.fillStyle=R(a(),a(),a())
x.rotate(0.07)
for(i=5000;i--;)x.fillRect(T(i+t*t)*10 + 700,C(i+t*4)*100,0.003,10000);

Jun 1 2021 10:52 AM UTC

}// 136/140

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Heaven?

u/rep_movsd

Fantastic!
u/davidsover

Thanks!
u/UEZ

#crayon

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davidsover

remix of d/22840 by u/davidsover

function u(t) {

x.fillStyle=`hsl(${t*9},99%,50%`
for(j=9;j--;){x.fillRect(0,0,1100,20);x.rotate(Math.random()*12)};

Jun 3 2021 8:54 AM UTC

}// 100/140

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Color Changing Ball With Lines

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davidsover

function u(t) {

a=_=>Math.random()*256
x.fillStyle=R(a(),a(),a())
x.rotate(0.07)
for(i=5000;i--;)x.fillRect(T(i+t*t)*10 + 700,C(i+t*4)*100,1200,100);

Jun 1 2021 10:48 AM UTC

}// 133/140

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Color Sweeps

u/davidsover

Replace the 1200 with a 1 to simulate the inside of a black hole

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davidsover

function u(t) {

for(a=10,b=a,c=a+t;a*b*c;a+=b*0.4+t*0.3,b--,c+=a*2+t)
x.fillRect(a*(10*c/2e3),(b+c*0.1)*20+t,t*50,10)
x.fillStyle=R(a/3+c/4+b*t);

May 26 2021 3:44 PM UTC

}// 129/140

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Ummm

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