How to find or compute or look for overall/max RPM by simply checking for rotation?

Question

I find it hard to determine the wheel RPM since I'm only making a simple 2D game of rotating object via Z-axis. I wanna try this solution but I got no change since I'm trying to find the RPM from a game object that has a rigid body 2D and a circle collider. I decided to think of something more simple but alternate solution. I ain't good at math and that took me around 4 days to guess but no luck. I want to know possibilities of checking its rotation from transform properties, figuring out yet about 6 degrees per second equivalent to 1 RPM as said from the link. I used the method transform.Rotate() for rotation speed. Please help me.

Answer 1

Answer by lassade · Jan 11, 2016 at 03:03 AM

The info in the link does not looks rigth, if you game runs does not runs at 60 fps.

RMP means rotations per minute

1 rotation have 360 degrees

1 minute have 60 seconds

So

RMP * 360 degrees = degrees per minute

angles per minute / 60 seconds = degrees per second

After finding the degrees per second (angular velocity) do the steps in reverse to get the RMP

 void Update(){
         currentEuler = transform.rotation.eulerAngles.z; // only care about the Z axis
         // if you remember you physics class displacement over time variation is equal to velocity
         yDegreesPerSecond = Mathf.Abs(currentEuler - previousEuler) / Time.deltaTime;
         ...
         previousEuler = currentEuler;
 }

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How to find or compute or look for overall/max RPM by simply checking for rotation?

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