HPBar

using UnityEngine;

using System.Collections;

public class HPBar : MonoBehaviour {

public Texture ForegroundTexture;

public Texture BackgroundTexture;

public Texture2D DamageTexture;  //use 2D UI and change color

void OnGUI()  //draw picture method

{

Rect rect = new Rect(10,6,Screen.width/2-20,BackgroundTexture.height);  //(x,y,width,height)

GUI.DrawTexture(rect,BackgroundTexture);

float hp = PlayerCtrl.hp;

rect.width *= hp;

GUI.color = DamageTexture.GetPixelBilinear(hp,0.5f);   //read color value

GUI.DrawTexture(rect,ForegroundTexture);

GUI.color = Color.white;

}

}