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Diffstat (limited to 'src/vector.h')
-rw-r--r-- | src/vector.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/vector.h b/src/vector.h new file mode 100644 index 00000000..d6a74886 --- /dev/null +++ b/src/vector.h @@ -0,0 +1,134 @@ +/* + * The Mana World + * Copyright 2007 The Mana World Development Team + * + * This file is part of The Mana World. + * + * The Mana World 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 of the License, or + * any later version. + * + * The Mana World 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 The Mana World; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: tileset.h 3218 2007-03-21 21:56:12Z b_lindeijer $ + */ + +#ifndef _TMW_VECTOR_H_ +#define _TMW_VECTOR_H_ + +/** + * Vector class. Represents either a 3D point in space, a velocity or a force. + * Provides several convenient operator overloads. + */ +class Vector +{ + public: + /** + * Constructor. + */ + Vector(): + x(0.0f), + y(0.0f), + z(0.0f) + {} + + /** + * Constructor. + */ + Vector(float x, float y, float z): + x(x), + y(y), + z(z) + {} + + /** + * Copy constructor. + */ + Vector(const Vector &v): + x(v.x), + y(v.y), + z(v.z) + {} + + /** + * Scale vector operator. + */ + Vector operator*(float c) const + { + return Vector(x * c, + y * c, + z * c); + } + + /** + * In-place scale vector operator. + */ + void operator*=(float c) + { + x *= c; + y *= c; + z *= c; + } + + /** + * Scale vector operator. + */ + Vector operator/(float c) const + { + return Vector(x / c, + y / c, + z / c); + } + + /** + * Add vector operator. + */ + Vector operator+(const Vector &v) const + { + return Vector(x + v.x, + y + v.y, + z + v.z); + } + + /** + * In-place add vector operator. + */ + void operator+=(const Vector &v) + { + x += v.x; + y += v.y; + z += v.z; + } + + /** + * Substract vector operator. + */ + Vector operator-(const Vector &v) const + { + return Vector(x - v.x, + y - v.y, + z - v.z); + } + + /** + * In-place substract vector operator. + */ + void operator-=(const Vector &v) + { + x -= v.x; + y -= v.y; + z -= v.z; + } + + float x, y, z; +}; + +#endif |