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// ----------------------------------------------------------
//
// Copyright (C) 2004 Brad Wasson <bard@wassonartistry.com>
//
// This file is part of 3ddesktop.
//
// 3ddesktop is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// 3ddesktop is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with 3ddesktop; see the file COPYING. If not, write to
// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
//
#ifndef _CAMERA_HPP
#define _CAMERA_HPP
using namespace std;
class Vector
{
public:
Vector() { x = y = z = 0.0f;}
Vector(float _x, float _y, float _z)
{
x = _x; y = _y; z = _z;
}
Vector operator+(Vector vector)
{
return Vector(vector.x + x, vector.y + y, vector.z + z);
}
Vector operator-(Vector vector)
{
return Vector(x - vector.x, y - vector.y, z - vector.z);
}
Vector operator*(float num)
{
return Vector(x * num, y * num, z * num);
}
Vector operator/(float num)
{
return Vector(x / num, y / num, z / num);
}
float x, y, z;
};
class Camera {
public:
Vector position;
Vector viewvector;
Vector upvector;
Camera();
void PositionCamera(float position_x, float position_y, float position_z,
float viewvector_x, float viewvector_y, float viewvector_z,
float upvector_x, float upvector_y, float upvector_z);
void RotateView(float angle, float x, float y, float z);
void RotateAroundPoint(Vector center, float angle, float x, float y, float z);
void Look(void);
};
#endif // _CAMERA_HPP
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