// Camera.cpp: implementation of the CCamera class.
//
//////////////////////////////////////////////////////////////////////

#include "smartptr.h"
#include "Camera.h"
#include "data.h"
#include "application.h"

extern RefCountPtr<CApplication> pApp;

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CCamera::CCamera()
: perspective(45.0)
{
	pos.SetData(0.0f, 0.1f, 1.0f);
	look.SetData(0.0f, 0.0f, -20.0f);
}

CCamera::~CCamera()
{
	OutputDebugString("CCamera destructor\n");

}

void CCamera::SetPosition(GLfloat x, GLfloat y, GLfloat z)
{
	pos.SetData(x, y, z);
}

void CCamera::SetPerspective(GLfloat p, bool bChange)
{
	perspective = p;

	if (bChange)
	{
		glLoadIdentity();
		gluPerspective(p,
			(GLfloat)pApp->pData->Window_Width /(GLfloat)pApp->pData->Window_Height,
			0.1f,100.0f);
	}
}

void CCamera::Draw()
{
	gluLookAt(pos.x, pos.y, pos.z,
		look.x, look.y, look.z, 
		0.0, 1.0, .0);
}

void CCamera::Move(GLfloat x, GLfloat y, GLfloat z)
{
	pos.x += x;
	pos.y += y;
	pos.z += z;
}

void CCamera::Look(GLfloat x, GLfloat y, GLfloat z)
{
	look.x += x;
	look.y += y;
	look.z += z;
}

void Point3d::SetData(GLfloat X, GLfloat Y, GLfloat Z)
{
	x = X; y = Y; z = Z;
}