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- /* -*- Mode: C++; tab-width: 3; indent-tabs-mode: t; c-basic-offset: 3 -*- */
- /*================================================================
- *
- * Project : Hel
- * Author : Terry 'Mongoose' Hendrix II
- * Website : http://www.westga.edu/~stu7440/
- * Email : stu7440@westga.edu
- * Object : Vector3d
- * License : No use w/o permission (C) 2002 Mongoose
- * Comments: Math vector
- *
- *
- * This file was generated using Mongoose's C++
- * template generator script. <stu7440@westga.edu>
- *
- *-- History -------------------------------------------------
- *
- * 2002.12.24:
- * Mongoose - Created
- =================================================================*/
-
- #include <math.h>
-
- #include <Vector3d.h>
-
-
- ////////////////////////////////////////////////////////////
- // Constructors
- ////////////////////////////////////////////////////////////
-
- Vector3d::Vector3d()
- {
- mVec[0] = mVec[1] = mVec[2] = 0.0f;
- }
-
-
- Vector3d::Vector3d(vec3_t v)
- {
- mVec[0] = v[0];
- mVec[1] = v[1];
- mVec[2] = v[2];
- }
-
-
- Vector3d::Vector3d(vec_t x, vec_t y, vec_t z)
- {
- mVec[0] = x;
- mVec[1] = y;
- mVec[2] = z;
- }
-
-
- Vector3d::~Vector3d()
- {
- }
-
-
- ////////////////////////////////////////////////////////////
- // Public Accessors
- ////////////////////////////////////////////////////////////
-
- vec_t Vector3d::dot(const Vector3d &u, const Vector3d &v)
- {
- return (u.mVec[0]*v.mVec[0] + u.mVec[1]*v.mVec[1] + u.mVec[2]*v.mVec[2]);
- }
-
-
- Vector3d Vector3d::cross(const Vector3d &u, const Vector3d &v)
- {
- return Vector3d(u.mVec[1] * v.mVec[2] - u.mVec[2] * v.mVec[1],
- u.mVec[2] * v.mVec[0] - u.mVec[0] * v.mVec[2],
- u.mVec[0] * v.mVec[1] - u.mVec[1] * v.mVec[0]);
- }
-
-
- vec_t Vector3d::magnitude()
- {
- return sqrt(mVec[0]*mVec[0] + mVec[1]*mVec[1] + mVec[2]*mVec[2]);
- }
-
-
- Vector3d Vector3d::unit()
- {
- vec_t norm = magnitude();
-
- return Vector3d(mVec[0] / norm,
- mVec[1] / norm,
- mVec[2] / norm);
- }
-
-
- Vector3d Vector3d::zeroVector()
- {
- return Vector3d(0, 0, 0);
- }
-
-
- Vector3d Vector3d::operator +(const Vector3d &v)
- {
- return Vector3d(mVec[0] + v.mVec[0],
- mVec[1] + v.mVec[1],
- mVec[2] + v.mVec[2]);
- }
-
-
- Vector3d Vector3d::operator -(const Vector3d &v)
- {
- return Vector3d(mVec[0] - v.mVec[0],
- mVec[1] - v.mVec[1],
- mVec[2] - v.mVec[2]);
- }
-
-
- Vector3d Vector3d::operator -()
- {
- return Vector3d(-mVec[0],
- -mVec[1],
- -mVec[2]);
- }
-
-
- Vector3d Vector3d::operator *(vec_t s)
- {
- return Vector3d(s * mVec[0],
- s * mVec[1],
- s * mVec[2]);
- }
-
-
- Vector3d Vector3d::operator /(vec_t s)
- {
- return Vector3d(mVec[0] / s,
- mVec[1] / s,
- mVec[2] / s);
- }
-
-
- vec_t Vector3d::operator *(const Vector3d &v)
- {
- return dot(*this, v);
- }
-
-
- //Vector3d Vector3d::operator *(const Matrix &m)
- //{
- // vec3_t v;
- //
- // return
- //}
-
-
- ////////////////////////////////////////////////////////////
- // Public Mutators
- ////////////////////////////////////////////////////////////
-
- void Vector3d::normalize()
- {
- vec_t norm = magnitude();
-
- mVec[0] /= norm;
- mVec[1] /= norm;
- mVec[2] /= norm;
- }
-
-
- void Vector3d::zero()
- {
- mVec[0] = 0;
- mVec[1] = 0;
- mVec[2] = 0;
- }
-
-
- void Vector3d::operator =(const Vector3d &v)
- {
- mVec[0] = v.mVec[0];
- mVec[1] = v.mVec[1];
- mVec[2] = v.mVec[2];
- }
-
-
- void Vector3d::operator +=(const Vector3d &v)
- {
- mVec[0] += v.mVec[0];
- mVec[1] += v.mVec[1];
- mVec[2] += v.mVec[2];
- }
-
-
- void Vector3d::operator -=(const Vector3d &v)
- {
- mVec[0] -= v.mVec[0];
- mVec[1] -= v.mVec[1];
- mVec[2] -= v.mVec[2];
- }
-
-
- void Vector3d::operator *=(vec_t s)
- {
- mVec[0] *= s;
- mVec[1] *= s;
- mVec[2] *= s;
- }
-
-
- ////////////////////////////////////////////////////////////
- // Private Accessors
- ////////////////////////////////////////////////////////////
-
-
- ////////////////////////////////////////////////////////////
- // Private Mutators
- ////////////////////////////////////////////////////////////
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