Returns whether the given mouse button is held down.

button values are 0 for left button, 1 for right button, 2 for the middle button.

	// Detects clicks from the mouse and prints a message
	// depending on the click detected.
	function Update() {
		if(Input.GetMouseButton(0))
			Debug.Log("Pressed left click.");
		if(Input.GetMouseButton(1))
			Debug.Log("Pressed right click.");
		if(Input.GetMouseButton(2))
			Debug.Log("Pressed middle click.");
	}

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Update() {
        if (Input.GetMouseButton(0))
            Debug.Log("Pressed left click.");
        
        if (Input.GetMouseButton(1))
            Debug.Log("Pressed right click.");
        
        if (Input.GetMouseButton(2))
            Debug.Log("Pressed middle click.");
        
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Update() as void:
		if Input.GetMouseButton(0):
			Debug.Log('Pressed left click.')
		if Input.GetMouseButton(1):
			Debug.Log('Pressed right click.')
		if Input.GetMouseButton(2):
			Debug.Log('Pressed middle click.')