util.h

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#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
// Vectors

typedef struct CmdFX_Vector {
    int x;
    int y;
} CmdFX_Vector;

CmdFX_Vector* Vector_create(int x, int y);

CmdFX_Vector* Vector_add(CmdFX_Vector* v1, CmdFX_Vector* v2);

CmdFX_Vector* Vector_addAll(CmdFX_Vector** vectors, int count);

CmdFX_Vector* Vector_subtract(CmdFX_Vector* v1, CmdFX_Vector* v2);

int Vector_multiply(CmdFX_Vector* v, double scalar);

int Vector_divide(CmdFX_Vector* v, double scalar);

int Vector_rotate(CmdFX_Vector* v, double radians);

int Vector_flipX(CmdFX_Vector* v);

int Vector_flipY(CmdFX_Vector* v);

int Vector_flip(CmdFX_Vector* v);

int Vector_dot(CmdFX_Vector* v1, CmdFX_Vector* v2);

double Vector_getMagnitude(CmdFX_Vector* v);

double Vector_getAngle(CmdFX_Vector* v);
 
#ifdef __cplusplus
}
#endif