#ifndef VECTOR3D_H
#define VECTOR3D_H

#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#ifndef M_PI_2
#define M_PI_2 1.57079632679489661923
#endif
#ifndef M_PI_4
#define M_PI_4 0.78539816339744830962
#endif
#ifndef M_1_PI
#define M_1_PI 0.31830988618379067154
#endif

typedef struct Vector3D {
    float x;
    float y;
    float z;
} Vector3D;

void vectorSet(Vector3D* v, float x, float y, float z);
void vectorSetTo(Vector3D* v1, Vector3D* v2);
void vectorSetToInverse(Vector3D* v1, Vector3D* v2);
void vectorSetMul(Vector3D* v1, Vector3D* v2, float f);
void vectorSetAngles(Vector3D* v, float lengthAngle, float widthAngle);

void vectorAdd(Vector3D* v1, Vector3D* v2);
void vectorSub(Vector3D* v1, Vector3D* v2);
void vectorMul(Vector3D* v1, float f);
void vectorAddMul(Vector3D* v1, Vector3D* v2, float f);

void vectorCross(Vector3D* v, float x, float y, float z);
void vectorCrossWith(Vector3D* v1, Vector3D* v2);

void vectorNormalize(Vector3D* v);
float vectorLength(Vector3D* v);

float vectorDot(Vector3D* v1, Vector3D* v2);
float vectorDotInverse(Vector3D* v1, Vector3D* v2);

#endif