Check out example codes for "unity mirror character". It will help you in understanding the concepts better.

Code Example 1

if (isRight == true && isLeft == false) {         transform.eulerAngles = new Vector3(0, 0 ,0);   }   if (isRight == false && isLeft === true) {         transform.eulerAngles = new Vector3(0, 180, 0);   }

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