using UnityEngine;
using System.Collections;

public class Movement : MonoBehaviour {

    public float speed;
    private bool collision;
    Rigidbody playerRigidbody;

    void Start() {
        playerRigidbody = GetComponent<Rigidbody>();
    }
    void Update() {
        playerRigidbody.velocity = Input.GetAxis("Horizontal") != 0 ?
            (new Vector3(Input.GetAxis("Horizontal") * speed, playerRigidbody.velocity.y))
            : new Vector3(0, playerRigidbody.velocity.y);
        //------------------------------------------------------------------------------------
        if (Input.GetButtonDown("Jump")) {
            transform.rotation = Quaternion.Euler(new Vector3((Physics.gravity.y < 0 ? 180 : 0), 0, 0));
            Physics.gravity = new Vector3(0, Physics.gravity.y * -1);
        }
    }
    void OnCollisionEnter(Collision collision) {
        switch (collision.gameobject.tag.ToLower()) {
            case "ground":
                colliding = true;
                break;
            case "saw":
                //die
                break;
        }
    }
    void OnCollisionStay(Collision collision) {
        switch (collision.gameobject.tag.ToLower()) {
            case "ground":
                colliding = true;
                break;
            case "saw":
                //die
                break;
        }
    }
    void OnCollisionExit(Collision collision) {
        switch (collision.gameobject.tag.ToLower()) {
            case "ground":
                colliding = false;
                break;
            case "saw":
                //die
                break;
        }
    }
}