Dweets awesomed by u/bkardon

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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Xen

remix of d/4132 by u/bkardon

function u(t) {

for(X=k=199;k--;x.fillRect(r*C(t-k)+960,r*S(t-k)+540,9,9))r=t*X*2%1e3,x.fillStyle=R(k,X*C(t*k/X)%X,X*S(t*9),.1)

Dec 27 2017 8:12 PM UTC

}// 111/140

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u/bkardon

Nice remix!
u/Xen

thank you, 15seconds+ to kick in, i always do slow ones :-P

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bkardon

function u(t) {

c.width^=0;for(k=1;k<1000;k++){r=(k+1000*t)%1102;a=k*t;x.fillStyle=R(r, a, (t*100)%255);x.fillRect(r*C(t+a)+960,r*S(t+a)+540,15,15);}

Dec 27 2017 7:56 PM UTC

}// 133/140

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bkardon

function u(t) {

for(k=1;k<100;k++){r=t*100%1102;a=k;x.fillStyle=R(r/4,(50+new Date%100)*t%255,120*S(t)+120);x.fillRect(r*C(t+a)+960,r*S(t+a)+540,5,5);}

Dec 27 2017 7:51 PM UTC

}// 135/140

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u/Xen

done you a remix: #4140

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bkardon

function u(t) {

[o,p]=this.d?d:[0,0];v=[50,0,100,0,86,86];r=v[k=new Date%3]+(o|0)/2;s=v[k+3]+(p|0)/2;x.fillStyle=R(r,s);x.fillRect(6*r,6*s,6,6);d=[r,s];

Dec 27 2017 7:36 PM UTC

}// 136/140

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@.+

function u(t) {

w=1920;l=200;c.width=w;
for(i=0;i<1e3;i+=10)for(j=0;j<w;j+=10){m=(Math.hypot(l-j,l-i)+Math.hypot(l*t-j,l*4-i))%l;x.fillRect(j,i,m/40,m/40);}

Dec 27 2017 7:32 PM UTC

}// 140/140

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u/Xen

nice effect :-)

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