Change parallax rate at runtime

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Set of 10 Parallax Background to make pixel art game.
  • Hi

    Is there a way to change the parallax rate of a specific layer during runtime via an event?

    I need my hud to be stationairy (which is no problem).

    But, on mouseclick i need to zoom in on the hud, and be able to scroll the hud to mouse X and Y.

    For this (in my current understanding) the parallax X&Y of the hud layer needs a setting above 0.

    So i im searching for a way to change that parallax rate at runtime.

    Like this:

    A: On mouse button down set Layer "hud" parallax X rate to 20 & Set parallax Y rate to 20

    B: On mouse released set Layer "hud" parallax X Rate to 0 & Set parallax Y Rate to 0

    I have searched the forum but havent been succesfull.

    The zooming part is allready done.

    Thanx in advance for any effort trying to help.


  • Zooming is more about layer/layoutscale than parallax.

    And layerscale/layoutscale can be changed at runtime in the system expressions/actions.

  • put all the hud object in a family

    global number mXStart = 0
    global number mYStart = 0
    System: On start of layout
      -> hudFamily set xStart to self.X
      -> hudFamily set yStart to self.Y
    Mouse: on Left Click
      -> System: set mXStart to mouse.X
      -> System: set mYStart to mouse.Y
    Mouse: left button is down
      -> hudFamily set X to self.xStart+mouse.X-mXStart
      -> hudFamily set Y to self.yStart+mouse.Y-mYStart
  • Yann

    Thanx i think i understand.

    And it looks like the exact solution.

    Ill try it and report back.



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  • Yann

    It worked!

    Thanx! <img src="smileys/smiley17.gif" border="0" align="middle">

    Here is a CapX for anyone who would like to embed this feature.

    Middle mouse click on the icon menu to zoom in and position to mouse

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