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

OnMouseDrag se llama cada frame mientras que el mouse está presionado.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { public Renderer rend;

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

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

Esta función no es llamada en objetos que pertenezcan a la layer (capa) Ignore Raycast.

This function is called on Colliders marked as Trigger if and only if Physics.queriesHitTriggers is true.

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.