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using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlanePilot : MonoBehaviour
{
  public float speed = 10.0f;

  // Use this for initialization
  void Start()
  {
    Debug.Log("Plane Script Added " + gameObject.name);
  }

  // Update is called once per frame
  void Update()
  {
    Vector3 moveCamTo = transform.position - transform.forward * 10.0f + transform.up * 5.0f;

    float bias = 0.96f;
    Camera.main.transform.position = Camera.main.transform.position * bias + moveCamTo * (1.0f - bias);

    Camera.main.transform.LookAt(transform.position + transform.forward * 30.0f);

    transform.position += transform.forward * Time.deltaTime * speed;

    speed -= transform.forward.y * Time.deltaTime * 50.0f;

    if (speed < 35.0f)
    {
      speed = 35.0f;
    }

    transform.Rotate(Input.GetAxis("Vertical"), 0.0f, -Input.GetAxis("Horizontal"));

    float terrainHeightWhereWeAre = Terrain.activeTerrain.SampleHeight(transform.position);

    if (terrainHeightWhereWeAre > transform.position.y)
    {
      transform.position = new Vector3(
        transform.position.x,
        terrainHeightWhereWeAre,
        transform.position.z
      );
    }
  }
}