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function u(t) {
} //
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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.
Theme challenge of the month: #storm
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  • BreakFree***

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  • Sunny Day / Starry Night

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remix of d/19958 by u/smtsjhr

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  • short looped variant of d/19958
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  • u/danny@hille.dk
    I can't shave of the last 3 bytes without messing it up :-(
  • u/danny@hille.dk
    139b version ->for(c.width|=j=9;j--;)for(i=4,x.moveTo(u=555*(T(t/4+j)),v=u/i+9*C(t));i--;x.lineTo(u+j+v*C(a=S(5*t+S(j)))*S(1.4*i),v+v*(i%2*S(a))))x.fill()
  • u/smtsjhr
    wow well done! very fair trade off removing that 'a/9' addition since its small: |a/9|<0.1
  • u/danny@hille.dk
    Thanks, Im not going tell how long it took me to figure that out though :-)

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  • SOURCE (194/140): for(j=4;j--;){for(i=96;i--;x.fill()){u=(d=(i+((-1)**j)*t%2)/15)%1;k=Math.floor(d);x.fillStyle=R(c=i%2*255,c,c,1);x.beginPath();x.arc((2*k-1-C(a=(-1)**k*u*3.14))*(A=200),2*A*(3-j)+S(a)*A,A,0,7)}}

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remix of d/18939 by u/smtsjhr

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remix of d/19624 by u/smtsjhr

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  • Caustics in the Aether
  • u/smtsjhr
    SOURCE (194/140): c.width|=0 q=(l,u,v,w)=>{x.fillStyle=R(l*255,l*200,l*90,.06+l);x.fillRect(u,v,w,2e3)} q(1,0,0,2e3) for(f=128;f--;){x.rotate(g=f*.049087): for(i=70;i--;)q(0,(10*S(g+t)+60)*(35-i+t%1),540,40,2e3)}

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  • Harmonic Spin
  • u/smtsjhr
    takes about 2.5 minutes for the motion to loop (assuming 60 fps). Don't stare too long!

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remix of d/19850 by u/smtsjhr

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  • try to use your imagination and pretend you are looking up at a disco ball!
  • u/rep_movsd
    How is it posssible to get 0 Awesomes?
  • u/smtsjhr
    i always unAwesome! my own dweets when i first post in an attempt to dissolve my ego and counter my own narcissism
  • u/aleamb
    awesome! :P

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