/*

* @author Valentin Simonov / http://va.lent.in/

*/

using UnityEngine;

namespace TouchScript.Utils

{

/// <summary>

/// Projection utils.

/// </summary>

public class ProjectionUtils

{

/// <summary>

/// Projects a screen point to a plane.

/// </summary>

/// <param name="position">Screen point.</param>

/// <param name="camera">The camera.</param>

/// <param name="projectionPlane">The projection plane.</param>

/// <returns></returns>

public static Vector3 CameraToPlaneProjection(Vector2 position, Camera camera, Plane projectionPlane)

{

var ray = camera.ScreenPointToRay(position);

var relativeIntersection = 0f;

projectionPlane.Raycast(ray, out relativeIntersection);

return ray.origin + ray.direction*relativeIntersection;

}

}

}