src/libs/Vector3.h

   1 #ifndef _VECTOR3_H
   2 #define _VECTOR3_H
   3
   4 class Vector3
   5 {
   6 public:
   7     Vector3() = default;
   8     Vector3(float a, float b, float c) : elem{a,b,c} {}
   9     Vector3(const Vector3& to_copy) = default;
  10
  11     float    operator[](int) const;
  12     Vector3  cross(const Vector3&) const;
  13
  14     float    dot(const Vector3&) const;
  15
  16     float    magsq() const;
  17     float    mag() const;
  18
  19     Vector3  add(const Vector3&) const;
  20     Vector3  sub(const Vector3&) const;
  21
  22     Vector3  mul(float) const;
  23
  24     Vector3  unit(void) const;
  25
  26     float      * data()       { return elem; }
  27     float const* data() const { return elem; }
  28 private:
  29     float  elem[3]{};
  30 };
  31
  32 // typedef float Vector3[3];
  33
  34 // float* cross_product(Vector3 vec1, Vector3 vec2, Vector3 out);
  35 // float dot_product(Vector3 vec1, Vector3 vec2);
  36 // float magsq(Vector3 vec);
  37 // float* vecsub(Vector3 vec1, Vector3 vec2, Vector3 out)
  38 // float* scalar_mul(Vector3 vec, float scalar, Vector3 out)
  39
  40 #endif /* _VECTOR3_H */