Structure D3DXVECTOR3 (D3dx9math.h)

Décrit un vecteur à trois composants, y compris les surcharges d’opérateur et les casts de type.

Syntaxe

typedef struct D3DXVECTOR3 {
  FLOAT x;
  FLOAT y;
  FLOAT z;
} D3DXVECTOR3, *LPD3DXVECTOR3;

Membres

x

Type : FLOAT

Composant x.

y

Type : FLOAT

Composant y.

z

Type : FLOAT

Composant z.

Notes

Extensions D3DXVECTOR3

D3DXVECTOR3 a les extensions C++ suivantes.

#ifdef __cplusplus
typedef struct D3DXVECTOR3 : public D3DVECTOR
{
public:
    D3DXVECTOR3() {};
    D3DXVECTOR3( CONST FLOAT * );
    D3DXVECTOR3( CONST D3DVECTOR& );
    D3DXVECTOR3( CONST D3DXFLOAT16 * );
    D3DXVECTOR3( FLOAT x, FLOAT y, FLOAT z );

    // casting
    operator FLOAT* ();
    operator CONST FLOAT* () const;

    // assignment operators
    D3DXVECTOR3& operator += ( CONST D3DXVECTOR3& );
    D3DXVECTOR3& operator -= ( CONST D3DXVECTOR3& );
    D3DXVECTOR3& operator *= ( FLOAT );
    D3DXVECTOR3& operator /= ( FLOAT );

    // unary operators
    D3DXVECTOR3 operator + () const;
    D3DXVECTOR3 operator - () const;

    // binary operators
    D3DXVECTOR3 operator + ( CONST D3DXVECTOR3& ) const;
    D3DXVECTOR3 operator - ( CONST D3DXVECTOR3& ) const;
    D3DXVECTOR3 operator * ( FLOAT ) const;
    D3DXVECTOR3 operator / ( FLOAT ) const;

    friend D3DXVECTOR3 operator * ( FLOAT, CONST struct D3DXVECTOR3& );

    BOOL operator == ( CONST D3DXVECTOR3& ) const;
    BOOL operator != ( CONST D3DXVECTOR3& ) const;

} D3DXVECTOR3, *LPD3DXVECTOR3;

#else //!__cplusplus
typedef struct _D3DVECTOR D3DXVECTOR3, *LPD3DXVECTOR3;
#endif //!__cplusplus

typedef struct D3DXVECTOR3_16F
{
#ifdef __cplusplus
public:
    D3DXVECTOR3_16F() {};
    D3DXVECTOR3_16F( CONST FLOAT * );
    D3DXVECTOR3_16F( CONST D3DVECTOR& );
    D3DXVECTOR3_16F( CONST D3DXFLOAT16 * );
    D3DXVECTOR3_16F( CONST D3DXFLOAT16 &x, CONST D3DXFLOAT16 &y, CONST D3DXFLOAT16 &z );

    // casting
    operator D3DXFLOAT16* ();
    operator CONST D3DXFLOAT16* () const;

    // binary operators
    BOOL operator == ( CONST D3DXVECTOR3_16F& ) const;
    BOOL operator != ( CONST D3DXVECTOR3_16F& ) const;

public:
#endif //__cplusplus
    D3DXFLOAT16 x, y, z;

} D3DXVECTOR3_16F, *LPD3DXVECTOR3_16F;

Spécifications

Voir aussi

D3DX Structures