Camera Movement

public GameObject player;

float offsetX = 0;
float offsetZ = -15;

float maximumDistance = 5;
float playerVelocity = 10;
float movementX;
float movementZ;



// Update is called once per frame
void Update (){

        movementX = ((player.transform.position.x + offsetX - this.transform.position.x))/maximumDistance;
        movementZ = ((player.transform.position.z + offsetZ - this.transform.position.z))/maximumDistance;
        this.transform.position += new Vector3((movementX * playerVelocity * Time.deltaTime), 0, (movementZ * playerVelocity * Time.deltaTime));
}