dwitter.net | #mouse

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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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  • Hello! I am new to dwitter; testing the waters out. This is interesting!

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  • #mouse position using innerWidth
  • u/ElisionFR
    Where does innerWidth come from and why does it stop working when I put it outside the event ?
  • u/ElisionFR
    Never mind, if I do that c.width= clears the canvas
  • u/tomxor
    innerWidth is just a global (on window) which in the context of the dweet is the iframe which is conveniently the same size as the canvas... It does work outside of the event handler but you have to remember to move the draw function out as well since it will only draw when mouse is being moved.
  • u/pavel
    onmousemove=e=>x.fillText('🐁',e.x,e.y,c.width=innerWidth,x.font='3em"')
  • u/KilledByAPixel
    nice pavel

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  • golf and play

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remix of d/855 by u/mxfh

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  • u/kimeiga
    wow i would love to learn how this magic works :o incredible!

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remix of d/21905 by u/veubeke

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