How do I find the largest congregation of small balls and scroll-to there?

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- damjancd
- - Joined 13 May, 2013
  - 82 topics • 378 posts
- 1
- 29 Sep, 2018
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I have a lot of balls moving around and what not, I want to focus on the largest concentration of them balls dynamically. Once there's a bigger congregation somewhere else, it scrolls-to there.

Any ideas how I can do this cheaply CPU wise?

Thank you Construct 3 community!
- newt
- - Joined 12 Nov, 2008
  - 396 topics • 10,741 posts
- 2
- 29 Sep, 2018
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Every n seconds

->for each sprite

-->system set variable aveX to aveX+sprite.x

-->system set variable aveY to aveY+sprite.y

->system set aveX to aveX/sprite.count

->system set aveY to aveY/sprite.count

Every Tick

->system scroll x to lerp(scrollx, aveX,scrollspeed*dt)

->system scroll y to lerp(scrolly, aveY,scrollspeed*dt)

Edit:

Would that be a good idea for an system expression? Ashley
- damjancd
- - Joined 13 May, 2013
  - 82 topics • 378 posts
- 1
- 29 Sep, 2018
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Doesn't seem to work on my end.

Not sure what I'm doing wrong :p
- newt
- - Joined 12 Nov, 2008
  - 396 topics • 10,741 posts
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- 29 Sep, 2018
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dropbox.com/s/szdt6n2yj93qhqj/averagescroll.c3p
Sorry should have said to zero out the aveX, and aveY at the beginning.
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- damjancd
- - Joined 13 May, 2013
  - 82 topics • 378 posts
- 1
- 29 Sep, 2018
- Quote
Thank you it works well!

Thank you for your help. Hope it's not too hard on cpu, the game is supposed to be mobile :)