Unet5Tut5Pt1HealthAndDamageV1

using UnityEngine;
using System.Collections;
using UnityEngine.Networking;

public class HealthAndDamage : NetworkBehaviour {
    [SyncVar(hook = "OnHealthChanged")]
    public int health;

    public override void OnStartLocalPlayer ()
    {
        CmdSetHealth(100);
    }

    [Command]
    void CmdSetHealth(int newHealth)
    {
        health = newHealth;
    }

    [Server]
    public void TakeDamage(GameObject fromPlayer)
    {
        health = Mathf.Max(health - 10, 0);
    }


    void OnHealthChanged(int newHealth)
    {
        health = newHealth;

        if(health < 100)
        {
            StartCoroutine(ShowHitEffect());
        }
    }

    IEnumerator ShowHitEffect()
    {
        var material = GetComponent<Renderer>().material;
        Color savedColor = material.color;
        material.color = Color.yellow;
        yield return new WaitForSeconds(0.4f);
        material.color = savedColor;
    }
}