Diff: Vector3D.h

Revision:

0:cbd607fc4caa

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Vector3D.h	Wed Feb 03 11:39:23 2016 +0000
@@ -0,0 +1,169 @@
+#include "mbed.h"
+
+class Vector3D{
+public:
+    //メンバ変数
+    float x;
+    float y;
+    float z;
+    //コンストラクタ
+    Vector3D();
+    Vector3D(float x,float y,float z);
+    //代入演算子
+    Vector3D& Vector3D::operator=(const Vector3D& v);
+    //単項演算子
+    Vector3D& operator+=(const Vector3D& v);
+    Vector3D& operator-=(const Vector3D& v);
+    Vector3D& operator*=(float k);
+    Vector3D& operator/=(float k);
+    Vector3D operator+()const;
+    Vector3D operator-()const;
+    //添え字演算子
+    float& operator[](int i);
+    //比較演算子
+    bool operator==(const Vector3D& v ) const;
+    bool operator!=(const Vector3D& v ) const;
+    //べクトルの長さ
+    float norm()const;
+    //正規化
+    void normalize();
+};
+//ベクトル演算
+//Vector3D+Vector3D
+Vector3D operator+(const Vector3D& u,const Vector3D& v);
+//Vector3D-Vector3D
+Vector3D operator-(const Vector3D& u,const Vector3D& v);
+//float*Vector3D
+Vector3D operator*(float k,const  Vector3D& v);
+//Vector3D*float
+Vector3D operator*(const Vector3D& v,float k);
+//Vector3D/float
+Vector3D operator/(const Vector3D& v,float k);
+//内積 Vector3D*Vector3D
+float operator*(const Vector3D& u,const Vector3D& v);
+//外積 Vector3D%Vector3D
+Vector3D operator%(const Vector3D& u,const Vector3D& v);
+//2つのベクトルのなす角度
+float angle(const Vector3D& u,const Vector3D& v);
+//出力
+#include <iostream>
+inline std::ostream& operator<<(std::ostream& s, const Vector3D& v);
+//*----------------------メンバ関数の実装--------------------------*//
+#include <cmath>
+//コンストラクタ
+inline Vector3D::Vector3D(){ x = y = z = 0; }
+inline Vector3D::Vector3D(float x,float y,float z){
+    this->x=x;      this->y=y;      this->z=z;
+}
+//代入演算子
+inline Vector3D& Vector3D::operator=(const Vector3D& v){
+    this->x=v.x;    this->y=v.y;    this->z=v.z;
+    return *this;
+}
+//単項演算子
+inline Vector3D& Vector3D::operator+=(const Vector3D& v){
+     this->x += v.x;    this->y += v.y;     this->z += v.z;
+     return *this;
+}
+inline Vector3D& Vector3D::operator-=(const Vector3D& v){
+     this->x -= v.x;    this->y -= v.y;     this->z -= v.z;
+     return *this;
+}
+inline Vector3D& Vector3D::operator*=(float k){
+     this->x *= k;      this->y *= k;       this->z *= k;
+     return *this;
+}
+inline Vector3D& Vector3D::operator/=(float k){
+    this->x /= k;       this->y /= k;       this->z /= k;
+    return *this;
+}
+inline Vector3D Vector3D::operator+()const{     //+Vector3D
+    return *this;
+}
+inline Vector3D Vector3D::operator-()const{     //-Vector3D
+    return Vector3D(-x,-y,-z);
+}
+//添え字演算子
+inline float& Vector3D::operator[](int i){
+    if(i == 0){
+        return x;
+    }
+    else if(i == 1){
+        return y;
+    }
+    else if(i == 2){
+        return z;
+    }
+    else{
+        return x;
+    }
+}
+//比較演算子
+inline bool Vector3D::operator==(const Vector3D& v ) const{
+    return (x == v.x) && (y == v.y) && (z == v.z);
+}
+inline bool Vector3D::operator!=(const Vector3D& v ) const{
+    return !(*this == v);
+}
+//べクトルの長さ
+inline float Vector3D::norm()const{
+    return pow(x*x+y*y+z*z,0.5f);
+}
+//正規化
+inline void Vector3D::normalize(){
+    *this /= norm();
+}
+//*----------------------グローバル関数の実装--------------------------*//
+//二項演算子の定義
+//Vector3D+Vector3D
+inline Vector3D operator+(const Vector3D& u,const Vector3D& v){
+    Vector3D w;
+    w.x=u.x+v.x;
+    w.y=u.y+v.y;
+    w.z=u.z+v.z;
+    return w;
+}
+//Vector3D-Vector3D
+inline Vector3D operator-(const Vector3D& u,const Vector3D& v){
+    Vector3D w;
+    w.x=u.x-v.x;
+    w.y=u.y-v.y;
+    w.z=u.z-v.z;
+    return w;
+}
+//float*Vector3D
+inline Vector3D operator*(float k,const  Vector3D& v){
+    return Vector3D(k*v.x,k*v.y,k*v.z);
+}
+//Vector3D*float
+inline Vector3D operator*(const Vector3D& v,float k){
+    return Vector3D(v.x*k,v.y*k,v.z*k);
+}
+//Vector3D/float
+inline Vector3D operator/(const Vector3D& v,float k){
+    return Vector3D(v.x/k,v.y/k,v.z/k);
+}
+//内積 Vector3D*Vector3D
+inline float operator*(const Vector3D& u,const Vector3D& v){
+    return u.x*v.x+u.y*v.y+u.z*v.z;
+}
+//外積 Vector3D%Vector3D
+inline Vector3D operator%(const Vector3D& u,const Vector3D& v){
+    Vector3D w;
+    w.x=u.y*v.z-u.z*v.y;
+    w.y=u.z*v.x-u.x*v.z;
+    w.z=u.x*v.y-u.y*v.x;
+    return w;
+}
+//画面への表示
+#include <iostream>
+inline std::ostream& operator<<(std::ostream& s, const Vector3D& v){
+    return s <<'('<<v.x<<","<<v.y<<","<<v.z<<')';
+}
+
+#define PI 3.1415926535
+//2つのベクトルのなす角
+inline float angle(const Vector3D& u,const Vector3D& v){
+    float cos =u*v/(u.norm()*v.norm());
+    return float(acos(cos)/PI*180);
+}