 |
00001 // Vector3.h: interface for the Vector3 class. 00002 // 00004 00005 #ifndef VECTOR3_H 00006 #define VECTOR3_H 00007 00008 #include "ThyrixParameters.h" 00009 #include <assert.h> 00010 00013 class Vector3 { 00014 public: 00016 Vector3() { x=0.0; y=0.0; z=0.0; } 00018 Vector3(real x, real y, real z) { this->x=x; this->y=y; this->z=z; } 00020 virtual ~Vector3() {} 00021 00022 real x; 00023 real y; 00024 real z; 00025 00027 void setToZero() { x=0.0; y=0.0; z=0.0; } 00028 00030 void setXYZ(real x, real y, real z) { this->x=x; this->y=y; this->z=z; } 00031 00033 void setElement(int i, real value){ 00034 assert(i>=1 && i<=3); 00035 if (i==1) 00036 x=value; 00037 else if (i==2) 00038 y=value; 00039 else 00040 z=value; 00041 } 00042 00044 real getModule() { return sqrt(x*x+y*y+z*z); } 00045 00047 real getSquaredModule() { return x*x+y*y+z*z; } 00048 00053 void rotate(real alpha) { 00054 real yOld=y; 00055 real c=cos(alpha); 00056 real s=sin(alpha); 00057 y=y*c-z*s; 00058 z=yOld*s+z*c; 00059 } 00060 00061 00063 real operator[](int i){ 00064 assert(i>=0 && i<=2); 00065 if (i==0) 00066 return x; 00067 else if (i==1) 00068 return y; 00069 else return z; 00070 } 00071 00072 Vector3& operator+=(const Vector3& v) { x+=v.x; y+=v.y; z+=v.z; return *this; } 00073 Vector3& operator-=(const Vector3& v) { x-=v.x; y-=v.y; z-=v.z; return *this; } 00074 Vector3& operator*=(const real r) { x*=r; y*=r; z*=r; return *this; } 00075 Vector3& operator/=(const real r) { assert(r!=0.0); x/=r; y/=r; z/=r; return *this; } 00076 00077 }; 00078 00079 #endif //VECTOR3_H
|
Thyrix homepage • Users' guide
(C) Arxia 2004-2005