角色头上冒数字

/// <summary>

/// Floating text.

/// the GUI Text Floating system

/// </summary>



using UnityEngine;

using System.Collections;



public class FloatingText : MonoBehaviour {



    public GUISkin CustomSkin;// GUISkin

    public string Text = "";// Text

    public float LifeTime = 1;// Life time

    public bool FadeEnd = false;// Fade out at last 1 second before destroyed

    public Color TextColor = Color.white; // Text color

    public bool Position3D = false; // enabled when you need the text along with world 3d position

    public Vector2 Position; // 2D Position

    

    private float alpha = 1;

    private float timeTemp = 0;







    void Start () {

        timeTemp = Time.time;

        GameObject.Destroy(this.gameObject,LifeTime);

        if(Position3D){

            Vector3 screenPos = Camera.main.WorldToScreenPoint(this.transform.position);

            Position = new Vector2(screenPos.x,Screen.height - screenPos.y);

        }

    }



    void Update () {



        if(FadeEnd){

            if(Time.time >= ((timeTemp + LifeTime) - 1)){

                alpha = 1.0f - (Time.time - ((timeTemp + LifeTime) - 1));

            }

        }else{

            alpha = 1.0f - ((1.0f / LifeTime) * (Time.time - timeTemp));

        }

    

        if(Position3D){

            Vector3 screenPos = Camera.main.WorldToScreenPoint(this.transform.position);

            Position = new Vector2(screenPos.x,Screen.height - screenPos.y);

        }

    

    }





    void OnGUI(){

        

        GUI.color = new Color(GUI.color.r,GUI.color.g,GUI.color.b,alpha);

        if(CustomSkin){

            GUI.skin = CustomSkin;

        }

    

        Vector2 textsize = GUI.skin.label.CalcSize(new GUIContent(Text));

        Rect rect = new Rect(Position.x - (textsize.x/2), Position.y,textsize.x,textsize.y);



        GUI.skin.label.normal.textColor = TextColor;

        GUI.Label(rect,Text);



    }

}

 调用方式

public void AddFloatingText(Vector3 pos,string text){

        // Adding Floating Text Effect

        if(FloatingText){

            var floattext = (GameObject)Instantiate(FloatingText,pos,transform.rotation);

            if(floattext.GetComponent<FloatingText>()){

                floattext.GetComponent<FloatingText>().Text = text;

            }

            GameObject.Destroy(floattext,1);    

        }

    }