www.pudn.com > SkyBox.rar > SkyBox.cpp

#include "SkyBox.h" 
 
CSkyBox::CSkyBox(LPDIRECT3DDEVICE9 pd3dDevice) 
{ 
	m_pd3dDevice = pd3dDevice; 
	m_pVB		 = NULL; 
} 
 
CSkyBox::~CSkyBox() 
{ 
	REL(m_pVB); 
	for(int i = 0; i < 8; i++) 
	{ 
		REL(m_pTexture[i]); 
	} 
} 
 
HRESULT CSkyBox::InitVB() 
{ 
	VERTEX	g_Vertices[] =  
	{	//Front 
		{-1.0f, 1.0f,-1.0f,	 0.0f, 0.0f, 0.0f,0.0f}, 
		{ 1.0f, 1.0f,-1.0f,	 1.0f, 0.0f, 1.0f,0.0f}, 
		{-1.0f,-1.0f,-1.0f,	 0.0f, 1.0f, 0.0f,1.0f}, 
		{ 1.0f,-1.0f,-1.0f,	 1.0f, 1.0f, 1.0f,1.0f}, 
 
		//Back 
		{-1.0f, 1.0f, 1.0f,  1.0f,0.0f,  1.0f,0.0f }, 
		{-1.0f,-1.0f, 1.0f,  1.0f,1.0f,  1.0f,1.0f }, 
		{ 1.0f, 1.0f, 1.0f,  0.0f,0.0f,  0.0f,0.0f }, 
		{ 1.0f,-1.0f, 1.0f,  0.0f,1.0f,  0.0f,1.0f }, 
 
		//Up 
		{-1.0f, 1.0f, 1.0f,  0.0f,0.0f,  0.0f,0.0f }, 
		{ 1.0f, 1.0f, 1.0f,  1.0f,0.0f,  1.0f,0.0f }, 
		{-1.0f, 1.0f,-1.0f,  0.0f,1.0f,  0.0f,1.0f }, 
		{ 1.0f, 1.0f,-1.0f,  1.0f,1.0f,  1.0f,1.0f }, 
 
		//Down 
		{-1.0f,-1.0f, 1.0f,  0.0f,1.0f,  0.0f,1.0f }, 
		{-1.0f,-1.0f,-1.0f,  0.0f,0.0f,  0.0f,0.0f }, 
		{ 1.0f,-1.0f, 1.0f,  1.0f,1.0f,  1.0f,1.0f }, 
		{ 1.0f,-1.0f,-1.0f,  1.0f,0.0f,  1.0f,0.0f }, 
 
		//Right 
		{ 1.0f, 1.0f,-1.0f,  0.0f,0.0f,  0.0f,0.0f }, 
		{ 1.0f, 1.0f, 1.0f,  1.0f,0.0f,  1.0f,0.0f }, 
		{ 1.0f,-1.0f,-1.0f,  0.0f,1.0f,  0.0f,1.0f }, 
		{ 1.0f,-1.0f, 1.0f,  1.0f,1.0f,  1.0f,1.0f }, 
 
		//Left 
		{-1.0f, 1.0f,-1.0f,  1.0f,0.0f,  1.0f,0.0f }, 
		{-1.0f,-1.0f,-1.0f,  1.0f,1.0f,  1.0f,1.0f }, 
		{-1.0f, 1.0f, 1.0f,  0.0f,0.0f,  0.0f,0.0f }, 
		{-1.0f,-1.0f, 1.0f,  0.0f,1.0f,  0.0f,1.0f } 
 
	}; 
 
	if (FAILED(m_pd3dDevice->CreateVertexBuffer( 
										24 * sizeof(VERTEX), 
										0, 
										VERTEXFVF, 
										D3DPOOL_DEFAULT, 
										&m_pVB, 
										NULL))) 
	{ 
		return E_FAIL; 
	} 
 
	void * pVertices = NULL; 
 
	if (FAILED(m_pVB->Lock( 0, sizeof(g_Vertices), (void**)&pVertices, 0))) 
	{ 
		return E_FAIL; 
	} 
 
	memcpy( pVertices, g_Vertices, sizeof(g_Vertices) ); 
	m_pVB->Unlock(); 
 
	return S_OK; 
} 
 
bool CSkyBox::SetTexture(const char *TextureFile, int ps) 
{ 
	if (FAILED(D3DXCreateTextureFromFile( m_pd3dDevice, 
											TextureFile, 
											&m_pTexture[ps]))) 
	{ 
		return false; 
	} 
	 
	return true; 
} 
 
void CSkyBox::Render() 
{ 
	D3DXMATRIX	matWorld; 
	D3DXMatrixScaling(&matWorld, 10.0f, 10.0f, 10.0f); 
	m_pd3dDevice->SetTransform(D3DTS_WORLD, &matWorld); 
 
	m_pd3dDevice->SetRenderState(D3DRS_LIGHTING, FALSE); 
	m_pd3dDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_CW); 
	m_pd3dDevice->SetStreamSource(0, m_pVB, 0, sizeof(VERTEX)); 
	m_pd3dDevice->SetFVF(VERTEXFVF); 
	m_pd3dDevice->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR); 
	m_pd3dDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR); 
	 
    m_pd3dDevice->SetSamplerState(0,D3DSAMP_ADDRESSU,D3DTADDRESS_CLAMP); 
	m_pd3dDevice->SetSamplerState(0,D3DSAMP_ADDRESSV,D3DTADDRESS_CLAMP); 
 
	for(int i = 0; i < 6; i++) 
	{ 
		m_pd3dDevice->SetTexture(0, m_pTexture[i]); 
		m_pd3dDevice->DrawPrimitive( D3DPT_TRIANGLESTRIP, i*4, 2); 
	} 
 
}