dwitter.net | #interactive

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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.
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  • Mouse over the screen; a red square follows the mouse.
  • u/wclang
    Note, you'll get an error message until you mouse over the screen.
  • u/wclang
    There's a magic number, 3.3, that keeps the square under the mouse. This doesn't work in full-screen mode (the square is offset from the mouse).
  • u/wclang
    I should mention I learned that mouse events are accessible from FireFly #1629. (I had to figure out what was going on in that dweet, so I could get X and Y off of the mouse.)
  • u/iverjo
    #interactive

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  • Mouse over for lines :)

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Xen
remix of d/3449 by u/p01

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  • Test...Move with arrows

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Xen
remix of d/3102 by u/Xen

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  • with mouse movement as requested.

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  • [a ball and paddle] interactively move the mouse to keep the ball in the air

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  • tone and overtone. (please move mouse over picture)

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  • This works only Fullscreen: you can hook and unhook the ball with your mouse.
  • u/magna
    Hijack S/C instead of X/Y to prevent the initial reference error
  • u/New_Core
    I dont get that Hijack to work.. I made a push ball but it has also reference error before it works so I will not do a remix.. here is code
  • u/New_Core
    t?c.width|=0:a=b=X;c.onmousemove=e=>(X=e.offsetX,Y=e.offsetY);D=X-a,E=Y-b,Math.sqrt(D*D+E*E)<50?(a-=D/9,b-=E/9):0;x.arc(a,b,50,0,7);x.fill()
  • u/13thptr
    #interactive

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  • [drawing tool] Click to turn off draw. Click again to draw a straight line to your mouse. Press any key to clear. It draws in 3 screens

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remix of d/2562 by u/hscells

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  • move mouse left-right = coarse adjustment. move mouse up-down = fine adjustment

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