Dweets by u/robbyg

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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robbyg

function u(t) {

w=c.width=192,t||(y=[54]);y.push(Y=y.pop(),Y+(Math.random()-.5)*4);y=y.slice(-w);for(i=y.length;i--;)x.lineTo(i,y[i]);x.stroke()

Mar 19 2018 6:01 PM UTC

}// 128/140

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Inspiration from @alien https://www.dwitter.net/d/5150

u/alien

this is nice, i guess i was trying to force it too much by using sine waves function...

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robbyg

function u(t) {

i=255,t||(X=Array(i).fill(960),Y=Array(i).fill(540));while(i--)x.fillStyle=R(i),x.fillRect(X[i]+=C(z=Math.random()*6.28)*9,Y[i]+=S(z)*9,9,9)

Mar 17 2018 7:59 PM UTC

}// 140/140

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u/joeytwiddle

#virus #outbreak

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robbyg

function u(t) {

for(Y=54,z=20;Y--;)for(X=96;X--;)x.fillStyle=R(h=(X+Y)%2*255,h,h),x.fillRect(X*z-C(t)*z*Y,Y*z-S(t)*z*X,z,z)

Mar 13 2018 7:18 PM UTC

}// 107/140

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robbyg

function u(t) {

for(Y=108,z=20;Y--;)for(X=192;X--;)x.fillStyle='hsl('+(X*Y*t)%360+',80%,40%)',x.fillRect(X*z,Y*z,z,z)

Mar 13 2018 4:28 PM UTC

}// 101/140

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robbyg

function u(t) {

for(Y=56,z=20;Y--;)for(X=98;X--;)x.fillStyle='hsl('+(X+Y+t*z*2)%360+',80%,40%)',x.fillRect(X*z-z,Y*z-z,z*C(t+X),z*S(t+Y))

Mar 13 2018 2:33 PM UTC

}// 121/140

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u/aleamb

beautiful dweet!

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robbyg

function u(t) {

w=1920,h=1080,X=16,Y=9,z=255;x.drawImage(c,0,0,w,h,-X,-Y,w+X*2,h+Y*2),x.fillStyle=R(S(t*Y)*z,C(t)*z,T(t)*z),x.arc(w/2,h/2,20,0,7),x.fill()

Mar 12 2018 8:16 PM UTC

}// 138/140

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robbyg

function u(t) {

w=2e3,x.fillRect(0,0,w,w);for(a=c.d=c.d||[...Array(w)].map((y,i)=>Math.random()*w),i=0;i<w;i++)x.clearRect(a[i]+C(a[i]+t)*15,(i+t*60)%w,5,5)

Feb 1 2018 3:04 PM UTC

}// 140/140

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Remix of https://www.dwitter.net/d/5404 (with a deleted step in between).

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robbyg

function u(t) {

for(z=Math.random,b=100,a=0;a<b;a++)x.fillStyle=`hsla(${360*z()},70%,50%,.2)`,x.fillRect(z()*2e3-b,z()*1100-b,b,b)

Jan 16 2018 5:39 PM UTC

}// 114/140

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robbyg

remix of d/5417 by u/robbyg

function u(t) {

x.fillStyle='hsl('+(t*5.6)%360+',50%,50%)';x.fillRect(960+C(t/2)*400+C(t*3.7)*100,540+S(t/2)*400+S(t*3.7)*100,9,9)

Jan 3 2018 9:40 PM UTC

}// 114/140

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robbyg

function u(t) {

x.fillRect(960+C(t/2)*400+C(t*3.7)*100,540+S(t/2)*400+S(t*3.7)*100,9,9)

Jan 3 2018 9:14 PM UTC

}// 71/140

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