MonoBehaviour.OnMouseDrag

function OnMouseDrag () : void

Description

OnMouseDrag is called when the user has clicked on a GUIElement or Collider and is still holding down the mouse.

OnMouseDrag is called every frame while the mouse is down.

JavaScript

// Darken the material color while user holds down the mouse.

function OnMouseDrag () {
    renderer.material.color -= Color.white * Time.deltaTime;
}

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    void OnMouseDrag() {
        renderer.material.color -= Color.white * Time.deltaTime;
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    def OnMouseDrag():
        renderer.material.color -= (Color.white * Time.deltaTime)

This function is not called on objects that belong to Ignore Raycast layer.

OnMouseDrag can be a co-routine, simply use the yield statement in the function. This event is sent to all scripts attached to the Collider or GUIElement.

IMPORTANT: This function has no effect on iPhone.