Vertex Formats ¶

3�� 학��표!!

Direct3D�� 해한��.
�� 표��하�� 한 ��한 vertex형태�� 해한��.
Transformed ��텍�� Untransformed ��텍�� .
��텍�� .
�� .

Direct3D�� ¶

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�� D3D�� "�� D3D�� ?" �� , �� . Z-Buffer��, ��, ��, ��텍�� 픽��, 텍��, �� 파 �� 한 �� 한��. �� 하�� . �� 하�� . �� Geometry Transformation�� Polygon Rendering��. ��히 ��해�� D3D�� 한 �� 형 �� . �� 할 �� , �� 한 �� 품�� .

...

Vertex�� 표�� ¶

��텍�� 표��하�� , D3D�� 편한 �� 했��. �� 텍�� 했�� .

��텍�� 표�� 하�� flexible vertex format �� FVF�� 한��. ��텍�� 한 �� .

~cpp 
position : ������ ������, ������ ������한 ������������.
RHW : Reciprocal of the homogenous W coordinate
Blending weights : ��������� ���트������
Vertex normal
Vertex point size : ���텍������ 크��� (포���트�����������트������ ������한���.)
Diffuse color 
Specular color
Texture coordinates

Position ¶

�� .

~cpp 
#define CUSTOM_VERTEX_FVF D3DFVF_XYZ
struct CustomVertex
{
	float x;
	float y;
	float z;
};

CUSTOM_VERTEX�� 텍�� 하�� 플��, CustomVertex�� .

RHW ¶

RHW�� ��표 W��  ��. �� 표�� . �� 표�� . �� 4�� 표�� .(??)
�� W��표�� 하�� 편하�� 해��.

SeeAlso : http://member.hitel.net/~kaswan/feature/3dengine/rhw.htm

~cpp 
#define CUSTOM_VERTEX_FVF D3DFVF_XYZ | D3DFVF_RHW
struct CustomVertex
{
	float x, y, z;
	float rhw;
};

Vercto Normal ¶

�� 3�� 표��, �� x,y,z�� 표�� 한��. �� 할 �� .

~cpp 
#define CUSTOM_VERTEX_FVF D3DFVF_XYZ | D3DFVF_NORMAL
struct CustomVertex
{
	float x, y, z;
	float nx, ny, nz;
};

�� 표�� 하�� RHW�� 할 �� . (�� 함�� 할 �� .)

Diffuse Color ¶

�� 표 �� diffuse color�� . Diffuse color�� 혔�� 하�� 한��. 3D�� 활�� 하�� 하��.
Diffuse Color�� 형태�� D3DCOLOR(�� DWORD형��.)형�� 한��.

~cpp 
#define CUSTOM_VERTEX_FVF D3DFVF_XYZ | D3DFVF_RHW | D3DFVF_DIFFUSE
struct CustomVertex
{
	float x, y, z;
	float rhw;
	D3DCOLOR diffuse;
};

Specular Color ¶

��퓨�� . �� D3DCOLOR��. �� 한 �� "Shininess"�� .

~cpp 
#define CUSTOM_VERTEX_FVF D3DFVF_XYZ | D3DFVF_RHW | D3DFVF_DIFFUSE | D3DFVF_SPECULAR
struct CustomVertex
{
	float x, y, z;
	float rhw;
	D3DCOLOR diffuse;
	D3DCOLOR specular;
};

2dInDirect3d

2d In Direct3d/Chapter3