unityonmousedrag
时间: 2023-08-27 10:07:05 浏览: 32
UnityOnMouseDrag is a built-in function in Unity that is used to detect when the user drags their mouse while clicking on an object in the game.
This function is commonly used to enable the player to move objects around the game world or to rotate them.
To use UnityOnMouseDrag, you need to create a script and attach it to the object you want to be draggable. Then, in the script, you can use the OnMouseDrag() function to detect when the user is dragging the object with their mouse.
Here is an example script that uses the OnMouseDrag() function:
```
using UnityEngine;
public class Draggable : MonoBehaviour
{
private Vector3 offset;
private void OnMouseDown()
{
offset = transform.position - Camera.main.ScreenToWorldPoint(Input.mousePosition);
}
private void OnMouseDrag()
{
Vector3 newPosition = Camera.main.ScreenToWorldPoint(Input.mousePosition) + offset;
transform.position = new Vector3(newPosition.x, newPosition.y, transform.position.z);
}
}
```
In this script, we have two functions: OnMouseDown() and OnMouseDrag().
OnMouseDown() is called when the user clicks on the object, and it calculates the offset between the object's position and the mouse's position.
OnMouseDrag() is called when the user drags the object with their mouse, and it updates the object's position based on the mouse's position and the offset we calculated in OnMouseDown().
By attaching this script to an object in your game, you can make it draggable using the mouse.
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