MonoBehaviour.OnMouseEnter()

描述

当鼠标进入 Collider 时调用。

当鼠标停留在对象上时，调用相应的 OnMouseOver 函数； 当鼠标移开时，调用 OnMouseExit。

// Change the mesh color in response to mouse actions.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    public Renderer rend;

    void Start()
    {
        rend = GetComponent<Renderer>();
    }

    // The mesh goes red when the mouse is over it...
    void OnMouseEnter()
    {
        rend.material.color = Color.red;
    }

    // ...the red fades out to cyan as the mouse is held over...
    void OnMouseOver()
    {
        rend.material.color -= new Color(0.1F, 0, 0) * Time.deltaTime;
    }

    // ...and the mesh finally turns white when the mouse moves away.
    void OnMouseExit()
    {
        rend.material.color = Color.white;
    }
}

在属于 Ignore Raycast 层的对象上，不调用该函数。

This function is called on Colliders and 2D Colliders marked as trigger when the following properties are set to true:

- For 3D physics: Physics.queriesHitTriggers

- For 2D physics: Physics2D.queriesHitTriggers

OnMouseEnter 可以是协程，在函数中只是使用 yield 语句。 此事件将发送至附加到 Collider 的所有脚本。

另请参阅：OnMouseOver、OnMouseExit。