//==============================================================
//==============================================================
//=?camera.cpp?=================================================
//=?Original?coders:?Trent?Polack?（trent@voxelsoft.com）		???=
//==============================================================
//=?The?routines?for?the?CCAMERA?class
//==============================================================
//==============================================================


//--------------------------------------------------------------
//--------------------------------------------------------------
//-?HEADERS?AND?LIBRARIES?--------------------------------------
//--------------------------------------------------------------
//--------------------------------------------------------------
#include?“camera.h“


//--------------------------------------------------------------
//--------------------------------------------------------------
//-?DEFINITIONS?------------------------------------------------
//--------------------------------------------------------------
//--------------------------------------------------------------

//--------------------------------------------------------------
//?Name:			CCAMERA::ComputeViewMatrix?-?public
//?Description:		Compute?the?information?for?the?camera
//?Arguments:		-fTimeDelta:?amount?to?interpolate?from?last?frame
//								?（defaults?to?1.0f）
//?Return?Value:	None
//--------------------------------------------------------------
void?CCAMERA::ComputeViewMatrix（?float?fTimeDelta?）
{
	if（?（?m_fYaw>=360.0f）?||?（?m_fYaw<=-360.0f?）?）
		m_fYaw=?0.0f;

	if（?m_fPitch>60.0f?）
		m_fPitch=?60.0f;
	if（?m_fPitch<-60.0f?）
		m_fPitch=?-60.0f;
?????
	float?cosYaw??=?cosf（?DEG_TO_RAD（?m_fYaw?）?）;
	float?sinYaw??=?sinf（?DEG_TO_RAD（?m_fYaw?）?）;
	float?sinPitch=?sinf（?DEG_TO_RAD（?m_fPitch?）?）;
	float?cosPitch=?cosf（?DEG_TO_RAD（?m_fPitch?）?）;

	m_vecForward[0]=?sinYaw?*?cosPitch;
	m_vecForward[1]=?sinPitch;
	m_vecForward[2]=?cosPitch?*?-cosYaw;

	m_vecLookAt=?m_vecEyePos?+?m_vecForward;

	m_vecSide=?m_vecForward.CrossProduct（?m_vecUp?）;
}

//--------------------------------------------------------------
//?Name:			CCAMERA::CalculateViewFrustum?-?public
//?Description:		Calculate?the?planes?that?make-up?the?viewing?m_viewFrustum
//?Arguments:		None
//?Return?Value:	None
//--------------------------------------------------------------
void?CCAMERA::CalculateViewFrustum（?void?）
{
	float?fPMtrx[16];	//projection?matrix
	float?fMMtrx[16];	//modelview?matrix
	float?clip[16];
	float?fNorm;

	/*?Get?the?current?PROJECTION?matrix?from?OpenGL?*/
	glGetFloatv（?GL_PROJECTION_MATRIX?fPMtrx?）;

	/*?Get?the?current?MODELVIEW?matrix?from?OpenGL?*/
	glGetFloatv（?GL_MODELVIEW_MATRIX?fMMtrx?）;

	/*?Combine?the?two?matrices?（multiply?projection?by?modelview）?*/
	clip[?0]=?fMMtrx[?0]*fPMtrx[?0]?+?fMMtrx[?1]*fPMtrx[?4]?+?fMMtrx[?2]*fPMtrx[?8]?+?fMMtr

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????11358??2002-06-19?08:36??openGL下雨現象模擬\base?Code\camera.cpp

?????文件???????4169??2002-06-19?08:36??openGL下雨現象模擬\base?Code\camera.h

?????文件?????149998??2002-06-19?08:36??openGL下雨現象模擬\base?Code\glext.h

?????文件??????20435??2002-06-19?08:36??openGL下雨現象模擬\base?Code\gl_app.cpp

?????文件??????10949??2002-06-19?08:36??openGL下雨現象模擬\base?Code\gl_app.h

?????文件??????17732??2002-06-19?08:36??openGL下雨現象模擬\base?Code\image.cpp

?????文件???????8311??2002-06-19?08:36??openGL下雨現象模擬\base?Code\image.h

?????文件???????4673??2002-06-19?08:36??openGL下雨現象模擬\base?Code\log.cpp

?????文件???????4401??2002-06-19?08:36??openGL下雨現象模擬\base?Code\log.h

?????文件??????15431??2002-06-19?08:36??openGL下雨現象模擬\base?Code\math_ops.cpp

?????文件??????10776??2002-06-19?08:36??openGL下雨現象模擬\base?Code\math_ops.h

?????文件???????5306??2002-06-19?08:36??openGL下雨現象模擬\base?Code\timer.h

?????文件?????197493??2002-06-19?08:36??openGL下雨現象模擬\Data\clouds.tga

?????文件?????183247??2002-06-19?08:36??openGL下雨現象模擬\Data\clouds2.tga

?????文件?????787022??2002-06-19?08:37??openGL下雨現象模擬\Data\detailMap.tga

?????文件???????3032??2002-06-19?08:37??openGL下雨現象模擬\Data\flare.tga

?????文件?????263169??2002-06-19?08:37??openGL下雨現象模擬\Data\height1.RAW

?????文件?????197659??2002-06-19?08:37??openGL下雨現象模擬\Data\highestTile.tga

?????文件?????197659??2002-06-19?08:37??openGL下雨現象模擬\Data\HighTile.tga

?????文件?????197659??2002-06-19?08:37??openGL下雨現象模擬\Data\lowestTile.tga

?????文件?????197430??2002-06-19?08:37??openGL下雨現象模擬\Data\lowTile.tga

?????文件?????207720??2002-06-19?08:37??openGL下雨現象模擬\Data\nightsky.tga

?????文件?????166025??2002-06-19?08:37??openGL下雨現象模擬\Data\reflection_map.tga

?????文件?????173337??2002-06-19?08:37??openGL下雨現象模擬\Data\skybox_back.tga

?????文件?????195567??2002-06-19?08:37??openGL下雨現象模擬\Data\skybox_bottom.tga

?????文件?????178963??2002-06-19?08:37??openGL下雨現象模擬\Data\skybox_front.tga

?????文件?????182295??2002-06-19?08:37??openGL下雨現象模擬\Data\skybox_left.tga

?????文件?????179635??2002-06-19?08:37??openGL下雨現象模擬\Data\skybox_right.tga

?????文件?????138808??2002-06-19?08:37??openGL下雨現象模擬\Data\skybox_top.tga

?????文件?????196203??2002-06-19?08:37??openGL下雨現象模擬\Data\water1.tga

............此處省略50個文件信息