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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: #castle
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function u(t) {

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  • corruptio: saving more space if you only use the numbers: ".012578"

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function u(t) {

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  • corruptio: save some space if your dictionary happens to contains "functio"

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remix of d/10705 by u/yonatan

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  • yonatan: Improved performance remix (568px width)

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function u(t) {

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  • keithclark: Managed to shave off enough bytes to get Y axis movement. Hat tip to @prplz for help saving bytes
  • keithclark: For better resolution, at the expense of FPS:
  • keithclark: for(c.width=640,i=4e3;i--;i&512||x.fillRect(320-(3-S(t)-i%8)*J,240+((i/8&7)-3.7+t%1)*J,J/=2,J))J=5e3/(i/64+t%2*8),x.fillStyle=R(q=2e4/J,q,q)
  • lionleaf: #d3 #depth #cube

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function u(t) {

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function u(t) {

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remix of d/9491 by u/Xen

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  • corruptio: Tetris! pitch and rhythm a bit off to fit into 140...
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  • joeytwiddle: It sounds good enough with 200 instead of 99 but +1 over
  • alien: is there anyway to stop this!!! ?
  • katkip: InvalidStateError: Failed to execute 'start' on 'AudioScheduledSourceNode': cannot call start more than once.

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remix of d/1829 by u/New_Core

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  • yonatan: c.width=-1;for(j=2e3;j--;x.fillRect(T+50*S(t+a)+U*A+V*B,T+9*C(t+a)+V*A-U*B,3,9))B=9*S(a=j/1250)*S(j),A=(25*S(-a*5)+25)*C(j),U=S(r=S(t)/2),x.fillStyle=R(q=(j&128)-C(r+j)*T,V=C(r),T=99);
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  • magna: Very tropical
  • yonatan: sorry, wrong code, I meant c.width=-1;for(j=0;j++<2e3;x.fillRect(99+9*S(a=j/1250)*S(j)+50*S(m=t*3+a),75+25*(S(-a*5)+1)*C(j),3,7))x.fillStyle=R(q=(j&128)-C(j)**3*99,q,q)
  • donbright: dude...

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remix of d/9486 by u/f8f82804

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