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/*
*
* SIXENSE CONFIDENTIAL
*
* Copyright (C) 2011 Sixense Entertainment Inc.
* All Rights Reserved
*
*/
#ifndef SIXENSE_PORT_UTILS_LASER_POINTER_HPP
#define SIXENSE_PORT_UTILS_LASER_POINTER_HPP
#pragma warning(push)
#pragma warning( disable:4251 )
#include "sixense_utils/export.hpp"
#include "sixense_utils/interfaces.hpp"
#include "sixense_math.hpp"
using sixenseMath::Vector2;
using sixenseMath::Vector3;
using sixenseMath::Matrix3;
namespace sixenseUtils {
// LaserPointer computes a ray that shoots from the controller and intersects with the screen.
class SIXENSE_UTILS_EXPORT LaserPointer {
public:
LaserPointer();
void setScreenSize( Vector2 width_and_height_in_mm );
void setScreenCenterOffsetFromBase( Vector3 offset_in_mm );
Vector2 getScreenSize();
Vector3 getScreenCenterOffsetFromBase();
Vector2 getIntersection( Vector3 position, Matrix3 rotation );
private:
Vector2 _width_and_height_in_mm;
Vector3 _offset_in_mm;
};
// This class can be used to compute the required parameters for the LaserPointer by having the user aim the controller at the
// corners of the screen.
class SIXENSE_UTILS_EXPORT LaserPointerCalib {
public:
LaserPointerCalib() { _has_computed = false; }
// Calibrate using 4 ray casts, bottom left and top right from 2 distinct positions in space
bool compute(
Vector3 bottom_left_ray_from_point_A,
Vector3 top_right_ray_from_point_A,
Vector3 bottom_left_ray_from_point_B,
Vector3 top_right_ray_from_point_B );
// Calibrate using 2 ray casts plus the screen size, bottom left and top right
bool compute(
float screen_width_in_mm, float screen_aspect,
Vector3 bottom_left_ray_from_point_A,
Vector3 top_right_ray_from_point_A );
bool hasComputed() { return _has_computed; }
Vector2 getScrenSize();
Vector3 setScreenCenterOffsetFromBase();
private:
bool _has_computed;
Vector2 _width_and_height_in_mm;
Vector3 _offset_in_mm;
};
};
#pragma warning(pop)
#endif
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