sphere.cpp

DirectInput的基本实现 只是基本应用

//#include "stdafx.h"
#include "Sphere.h"


Sphere::Sphere(LPDIRECT3DDEVICE9 pDev)
{   
	m_pd3dDevice=pDev;
	m_vMovingPos.x=m_vMovingPos.y=m_vMovingPos.z=0;
	this->m_vStartPos =this->m_vEndPos =this->m_vMovingPos ;
	m_fCoeffient=0;
	D3DXCreateSphere(pDev,40,20,20,&(this->m_pStaticMesh ),NULL);
}

Sphere::~Sphere()
{

	m_pStaticMesh->Release();

}

D3DXMATRIX Sphere::idle()
{
	D3DXMATRIX m_matMove;
	D3DXMatrixTranslation(&m_matMove,m_vMovingPos.x,m_vMovingPos.y,m_vMovingPos.z);
	return m_matMove;
}

D3DXMATRIX Sphere::move(D3DXVECTOR3 vEndPos,FLOAT speed)
{
	D3DXMATRIX m_matMove;
	D3DXMatrixIdentity(&m_matMove);
	m_vEndPos = vEndPos;
	if(m_fCoeffient >= 1.0)
	{
		return idle();
	}
	D3DXVec3Lerp(&m_vMovingPos,&m_vStartPos,&m_vEndPos,m_fCoeffient);//两个向量之间的 差值

	//D3DXVec3Lerp

	//	原型：D3DXVec3Lerp( VOut As D3DVECTOR, V1 As D3DVECTOR, V2 As D3DVECTOR, s As Single)

	//	作用：完成两个3-D向量的线性插值

	//	V1 + s(V2-V1).


	D3DXMatrixTranslation(&m_matMove,m_vMovingPos.x,m_vMovingPos.y,m_vMovingPos.z);
	m_fCoeffient +=0.1f;

	return m_matMove;	
}

HRESULT Sphere::ReMove()
{
	m_fCoeffient = 0.0f;
	m_vStartPos = m_vMovingPos;
	return S_OK;
}

HRESULT Sphere::Render()
{

	for(DWORD i=0;i<1;i++)
	{
		m_pd3dDevice->SetTexture(0,NULL);
		m_pStaticMesh->DrawSubset(i);
	}

	return S_OK;
}