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Question by Sam-Robichaud · Sep 22, 2019 at 12:51 AM · physicsballrollinggolf

BallShooting Game Issue with Detecting ball stopping when rolling uphill

The Setup

I have a small ball shooting game (think mini golf) There is an aim guide and you press a button to instanly add force to the ball. When the ball starts rolling I turn off the guide. I detect when the ball stops again and bring the guide back.



The Problem:

If the ball goes straigh up a hill when it reaches the apex and starts to turn back there is a brief moment where it stops.

My detection picks this up and turns on the guide again. The detection is all happening in the update step and I know I need to add a delay in the check somewhere but i'm not quite sure how to do it.

alt text

** this code is part of a switch case(Rolling) in Update The time check is there to add a miniscule delay so it gives the ball a chance to start moving before it checks to see if it stops.

ballspeed is fed in from another script (ballSpeed = rb_ball.velocity.magnitude; )

 When its detected as stopping it switches to the LoseCheck case then back to Aim Case where it enables the guide again

 
 case GameState.Rolling: 
  
 if (Time.time > checkTime) 
                 {
                     if (_ballController.ballSpeed < 0.05f)
                     {     
                             _ballController.StopBall(); //stops the ball
                             gameState = GameState.LoseCheck;
                     }
                 }
                 break;



Any help or suggestions appreciated.

Link to: Github Repo

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Best Answer

Answer by Sam-Robichaud · Sep 22, 2019 at 12:30 PM

I was able to solve it by using

rigidbody.IsSleeping()

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