bobbaluba's Forum Posts

• • bobbaluba
  • 
  • • Joined 8 Aug, 2012
    • 
    • 2 topics • 3 posts
  • 1

  • 13 Aug, 2012
  • Quote

  After watching this

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  , I got some inspiration on how to improve my game. However, I have some trouble implementing it.

  I started creating actions like this:

  self.X = lerp(self.tweenStartX, self.tweenEndX, (time-self.tweenStart)/(self.tweenEnd-self.tweenStart))

  But this seems messy, especially if I want to do non-linear interpolation.

  Maybe there is some plugin/behaviour I can use, or a way I can define my own functions, so I can easily change the interpolation function once without having to do edit every place I use tweening?

  What is the cleanest solution?

• • bobbaluba
  • 
  • • Joined 8 Aug, 2012
    • 
    • 2 topics • 3 posts
  • 1

  • 10 Aug, 2012
  • Quote

  I tried what you told me, but it didn�t work. Well, most of the time, that is. I�m guessing there is some kind of race condition.

  I tried delaying the call to setVelocity with 10 ticks, and it turned out to work. Out of curiosity, I tuned it down to 3, and the problem was back.

  I�m not sure how construct 2 uses box2d, but I am guessing that whenever an object is moved, a new box 2d body is created, but it isn�t created at once. You have to wait for the next box2d update. And so if you call setVelocity too early, you are setting the velocity on the old body.

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• • bobbaluba
  • 
  • • Joined 8 Aug, 2012
    • 
    • 2 topics • 3 posts
  • 1

  • 8 Aug, 2012
  • Quote

  I am basically trying to create a portal. I wan't to save the velocity, and restore it after setting the new position.