How do I make a seesaw platform?

How would I make a platform that tilts when an object or player is on one side of it like a seesaw?

I tried using the Sine function and stopping the movement until the player comes in contact with the platform, but it isn't positional (i.e. the player is on the left side and the left side still goes up).

Try this and see if this help you

Here is a starting point for you to look at.

edit - altered to add comments and include dt to make it run better on all systems.

edit 2 - altered to add wrap and to speed it up a bit..

I would advise you to learn from example by RamPackWobble it's better then what I have done full marks to RamPackWobble

Lordshiva1948 - Thank you.

You welcome your tutorial is more constructive RamPackWobble

Thanks RamPackWobble and Lordshiva1948 for taking the time to help me. And RamPackWobble, your example is exactly what I was trying to make!

You most welcome yes we are here to help if we can and if we cannot then we will find ways to help you or anyone. As I said before RamPackWobble his tutorial is very good Thank you