mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-14 13:50:13 +00:00
78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
/* Residual - A 3D game interpreter
|
|
*
|
|
* Residual is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*
|
|
* $URL$
|
|
* $Id$
|
|
*/
|
|
|
|
#ifndef MATH_VECTOR3D_H
|
|
#define MATH_VECTOR3D_H
|
|
|
|
#include "common/scummsys.h"
|
|
#include "common/endian.h"
|
|
|
|
#include "math/vector.h"
|
|
#include "math/angle.h"
|
|
|
|
namespace Math {
|
|
|
|
typedef Matrix<3, 1> Vector3d;
|
|
|
|
template<>
|
|
class Matrix<3, 1> : public MatrixType<3, 1> {
|
|
public:
|
|
float& x() { return value(0); }
|
|
float x() const { return value(0); }
|
|
float& y() { return value(1); }
|
|
float y() const { return value(1); }
|
|
float& z() { return value(2); }
|
|
float z() const { return value(2); }
|
|
|
|
Matrix();
|
|
Matrix(float lx, float ly, float lz);
|
|
Matrix(const MatrixBase<3, 1> &m);
|
|
Matrix(const float *data);
|
|
|
|
void set(float lx, float ly, float lz);
|
|
|
|
// Get the angle a vector is around the unit circle
|
|
// (ignores z-component)
|
|
Angle unitCircleAngle() const;
|
|
|
|
inline static Vector3d crossProduct(const Vector3d& v1, const Vector3d& v2) {
|
|
return Vector3d(v1.y() * v2.z() - v1.z() * v2.y(),
|
|
v1.z() * v2.x() - v1.x() * v2.z(),
|
|
v1.x() * v2.y() - v1.y() * v2.x());
|
|
}
|
|
|
|
inline static Angle angle(const Vector3d& v1, const Vector3d& v2) {
|
|
return Angle::arcCosine(dotProduct(v1, v2) / (v1.getMagnitude() * v2.getMagnitude()));
|
|
}
|
|
|
|
inline static Vector3d get_vector3d(const char *data) {
|
|
return Vector3d(get_float(data), get_float(data + 4), get_float(data + 8));
|
|
}
|
|
|
|
};
|
|
|
|
} // end of namespace Math
|
|
|
|
#endif
|