Can someone explain this short capx please?

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- Freddy33
- - Joined 7 Aug, 2018
  - 61 topics • 262 posts
- 1
- 29 Jan, 2019
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Hi, can someone break this down for please? it took ages to find this and it works well, but I don't really understand why it works? If you can break this down into laymans terms Id be grateful. Especially the lerp part?

Thanks
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capx
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- dop2000
- - Joined 26 May, 2016
  - 139 topics • 12,557 posts
- 1
- 30 Jan, 2019
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On every tick it calculates the difference between the previous touch position and current touch position. Then moves the sprite 1/3 of that distance. If you want sharper control, increase the value (0.3) in the lerp function.

"Subtract diffX/50 from diffX" is used after the touch has ended to continue moving the sprite with deceleration. If you change it to diffX/10, it will stop sooner.
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- Freddy33
- - Joined 7 Aug, 2018
  - 61 topics • 262 posts
- 1
- 30 Jan, 2019
- Quote
Thanks Dop,

That makes sense!

Although if I needed to create something like that from scratch. I would be totally lost. I guess it's just about practicing, getting it wrong until it goes right :>).

Cheers for that