unity血条或进度条的效果

用Unity做血条或进度条真的很方便，GUI里scrollbar就可以轻松实现，再加上lerp一个血条或进度条就完成了。

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using UnityEngine;

using System.Collections;

public class BloodBarTest : MonoBehaviour {

public GUISkin theSkin;

public float bloodValue = 0.0f;

private float tmpValue;

private Rect rctBloodBar;

private Rect rctUpButton;

private Rect rctDownButton;

private bool onoff;

// Use this for initialization

void Start () {

rctBloodBar = new Rect (20,20,20,200);

rctUpButton = new Rect (50,20,40,20);

rctDownButton = new Rect (50,50,40,20);

tmpValue = bloodValue;

}

void OnGUI (){

GUI.skin = theSkin;

if (GUI.Button (rctUpButton,"加血")){

tmpValue = -1.0f;

}

if (GUI.Button (rctDownButton,"减血")){

tmpValue += 0.1f;

}

if (bloodValue > 0.0f) tmpValue = 0.0f;

if (bloodValue < -1.0f) tmpValue = -1.0f;

bloodValue = Mathf.Lerp(bloodValue,tmpValue,0.05f);

//~ Debug.Log (bloodValue + " " + tmpValue);

GUI.VerticalScrollbar(rctBloodBar, 1.0f, bloodValue,0.0f, 1.0f,GUI.skin.GetStyle("verticalScrollbar"));

}

// Update is called once per frame

void Update () {

}

}