Struktur D3DXVECTOR2 (D3DX10Math.h)

Catatan

Pustaka utilitas D3DX10 tidak digunakan lagi. Kami menyarankan agar Anda menggunakan DirectXMath sebagai gantinya.

Menjelaskan vektor dua komponen termasuk kelebihan beban operator dan jenis transmisi.

Sintaks

typedef struct D3DXVECTOR2 {
  FLOAT x;
  FLOAT y;
} D3DXVECTOR2, *LPD3DXVECTOR2;

Anggota

x

Jenis: FLOAT

Komponen x.

y

Jenis: FLOAT

Komponen y.

Keterangan

D3DXVECTOR2 memiliki ekstensi C++berikut.

Ekstensi D3DXVECTOR2

typedef struct D3DXVECTOR2
{
#ifdef __cplusplus
public:
    D3DXVECTOR2() {};
    D3DXVECTOR2( CONST FLOAT * );
    D3DXVECTOR2( CONST D3DXFLOAT16 * );
    D3DXVECTOR2( FLOAT x, FLOAT y );

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

    // assignment operators
    D3DXVECTOR2& operator += ( CONST D3DXVECTOR2& );
    D3DXVECTOR2& operator -= ( CONST D3DXVECTOR2& );
    D3DXVECTOR2& operator *= ( FLOAT );
    D3DXVECTOR2& operator /= ( FLOAT );

    // unary operators
    D3DXVECTOR2 operator + () const;
    D3DXVECTOR2 operator - () const;

    // binary operators
    D3DXVECTOR2 operator + ( CONST D3DXVECTOR2& ) const;
    D3DXVECTOR2 operator - ( CONST D3DXVECTOR2& ) const;
    D3DXVECTOR2 operator * ( FLOAT ) const;
    D3DXVECTOR2 operator / ( FLOAT ) const;

    friend D3DXVECTOR2 operator * ( FLOAT, CONST D3DXVECTOR2& );

    BOOL operator == ( CONST D3DXVECTOR2& ) const;
    BOOL operator != ( CONST D3DXVECTOR2& ) const;


public:
#endif //__cplusplus
    FLOAT x, y;
} D3DXVECTOR2, *LPD3DXVECTOR2;

Persyaratan

Persyaratan	Nilai
Header	D3DX10Math.h

Lihat juga

Struktur D3DX