How do I make a bowling ball curve and gain friction in certain points?

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So I’m making a bowling game and I’ve made the controls to throw the ball and because it’s a mobile game I want to know how to “curve” the ball with the flick of a finger, which then gains friction on parts of the lane, like in real life. Is there any way to do this?

What I have tried:

Well I’ve learnt the C# basics but I can’t wrap my head around this specific task, so I thought the internet people would be my best chance at help

Posted 26-Mar-21 0:19am

Michael Ciurleo

Updated 26-Mar-21 0:28am

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Richard MacCutchan 26-Mar-21 7:29am

It rather depends on how the ball is moved in your program. Presumably you have some loop that draws it at successive points along an axis. So if you receive a signal while drawing you need to alter the x or y values to change the direction.

Greg Utas 26-Mar-21 7:53am

Further to Richard's comment, the "signal" that you receive will be a finger swipe, however that event is communicated in the framework you're using. Similar to a mouse drag. I don't write this kind of software, but it could be that you get "finger down" and "finger up" events and have to turn those into a "swipe" of whatever magnitude by also looking at where they occurred on the display.

[no name] 26-Mar-21 14:59pm

Bowling ball physics.

https://www.real-world-physics-problems.com/physics-of-bowling.html

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RannyMeier · Answer 1 · 2021-04-12T07:56:00

Hello Michael,
It seems that the effect of friction increases as the forward velocity drops and the sliding over the surface decreases. Therefore maybe the finger swipe gesture on the device can use both the initial forward speed and a side movement at the end of the gesture.

bowling ball physics

So the input gesture can provide two variables; forward velocity and side spin.