how to detect a mouse click in unity

                
                        using UnityEngine;
using System.Collections;

		if (Input.GetMouseButtonDown(0)) {
        	//Left Mouse Button
        } else if (Input.GetMouseButtonDown(1)) {
        	//Right Mouse Button
        } if (Input.GetMouseButtonDown(2)) {
        	//Middle Mouse Button
        }
                    
                

unity mouse click m

                        
                                void Update()
    {
        if (Input.GetMouseButtonDown(0))
            Debug.Log("Pressed primary button.");

        if (Input.GetMouseButtonDown(1))
            Debug.Log("Pressed secondary button.");

        if (Input.GetMouseButtonDown(2))
            Debug.Log("Pressed middle click.");
    }
                            
                        

unity mouse click position

                        
                                Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);

RaycastHit hit = new RaycastHit();

if (Physics.Raycast(ray, out hit))
{
	return hit.point;
}
                            
                        

unity mouse click

                        
                                //Triggers when object is clicked
private void OnMouseDown()
{
  //Code to trigger
}
                            
                        

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