GD205 Fall16 Raycast Intro

Scott.cs

using UnityEngine;
using System.Collections;

public class Scott : MonoBehaviour {

	public float scottStrength = 1000f;
	public AudioClip explosionSound;
	public GameObject blueprint; //which prefab/gameobject would we like to create?
	
	// Update is called once per frame
	void Update () {
		//cast a beam from our main camera to our mouseposition
    //use the camera function ScreenPointToRay, using our "Input.mousePosition" inside the function
		Ray beam = Camera.main.ScreenPointToRay ();
		//draw a debug ray line so we can see it in unity editor
		Debug.DrawRay(beam.origin, beam.direction * 1000f, Color.red);
		//create a new raycasthit to store our hit information
		RaycastHit beamHit = new RaycastHit ();

		//if the ray "beam" is cast, did it hit something? if so, store the hit information in our beamHit
		if (Physics.Raycast (beam, out beamHit, 1000f)) { 
			Debug.Log ("hit?"); //did it hit?  just chexin'

			if (Input.GetMouseButton (0) && beamHit.rigidbody) { //if the player left clicked and they clicked something with a rigidbody
				Debug.Log ("has rigidbody");
				//add a force to the rigidbody in a random direction multiplied by the strength of 1000 scott summers
        //insert "(Random.insideUnitSphere) * scottStrength" into the AddForce function below to make work
				beamHit.rigidbody.AddForce ();
				//also, insert our explosion audioclip into the audiosource of the thing hit
        //at the end of the line, run the AudioSource function "PlayOneShot()" with our audioclip inside 
				beamHit.collider.gameObject.GetComponent<AudioSource> ();
			}
			if (Input.GetMouseButtonDown (1)) { //if the player has just pressed the right click
				//instantiate ... blueprint ... at ... the location of the raycasthit ... with identity rotation
				Instantiate (blueprint, beamHit.point, Quaternion.identity);
			}
		}
	}
}