RecordROI.cs

using UnityEngine;
using System.Collections;

public class RecordROI : MonoBehaviour {

	public GameObject highlight;
	public string path;

	private Vector3 mousePos;
	private Vector3 spherePos;

	// Use this for initialization
	void Start () {
		// Hide the highlight
		highlight.transform.position = Vector3.back;
	}
	
	// Update is called once per frame
	void Update () {
		// 左鍵
		if (Input.GetMouseButtonDown (0)) {
			Ray ray = Camera.main.ScreenPointToRay (Input.mousePosition);
			RaycastHit hit;
			if (Physics.Raycast(ray, out hit)) {
				// Move the highlight to the cursor position
				highlight.transform.position = hit.point;
				// Get time (seconds) from game start
				float time = Time.time;
				// Get longitude
				spherePos.x = Remap (hit.point.x, 10, -10, 180, -180);
				// Get latitude
				spherePos.y = Remap (hit.point.y, -5, 5, -90, 90);
				spherePos.z = 0;
				Debug.Log ("Set ROI: "+ spherePos.x + ", " + spherePos.y);
				// Write to file
				System.IO.File.AppendAllText(path, System.String.Format("{0} {1} {2}\n", time, spherePos.x, spherePos.y));
			}
		}
		// 右鍵
		if (Input.GetMouseButtonDown (1)) {
			Ray ray = Camera.main.ScreenPointToRay (Input.mousePosition);
			RaycastHit hit;
			if (Physics.Raycast(ray, out hit)) {
				// Move the highlight to the cursor position
				highlight.transform.position = hit.point;
				// Get time (seconds) from game start
				float time = Time.time;
				// Get longitude
				spherePos.x = Remap (hit.point.x, 10, -10, 180, -180);
				// Get latitude
				spherePos.y = Remap (hit.point.y, -5, 5, -90, 90);
				spherePos.z = 0;
				Debug.Log ("Set ROI: "+ spherePos.x + ", " + spherePos.y);
				// Write to file
				System.IO.File.AppendAllText(path, System.String.Format("{0} {1} {2}\n", -1.0f*time, spherePos.x, spherePos.y));
			}
		}
				
	}
		
	float Remap (float value, float from1, float from2, float to1, float to2) {
		return (value - from1) / (from2 - from1) * (to2 - to1) + to1;
	}
}