c3drenderer.h

symbian 60 3d 的一个很经典的例子

    /*
    *
============================================================================
    *  Name     : CGame.h
    *  Part of  : Example3D
    *  Created  : 12/14/2003 by Forum Nokia
    *  Description:
    *     This is the project specification file for Example3D.
    *     Initial content was generated by Series 60 AppWizard.
    *
    *  Version  : 1.0.0
    *  Copyright: Forum Nokia
    *
============================================================================
    */

#ifndef __C3DRENDERER__H__
#define __C3DRENDERER__H__


// INCLUDES
#include <e32base.h>
#include "C3DBase.h"
#include "TBitmap.h"
   
// FORWARD DECLARATIONS
class M3dObject;


// CLASS DECLARATION

/**
*  C3DRenderer contains a list of M3DObject objects
*  This class selects which objects to draw, where and in which order
*  Every object to draw has to be added here with AddObject
*  Every object position and angle change should be done via this class
*/

class C3DRenderer : public CBase
	{
	public:

		/// Two-phased constructor
		/// @param a3DBase pointer to C3DBase class
		/// @param aMaxObjects maximum number of objects to add
		static C3DRenderer* NewL( C3DBase* a3DBase, TInt aMaxObjects );

		/// Destructor
		~C3DRenderer();

	private:

		/// Second-phase constructor
		void ConstructL();

		/// Default constructor
		C3DRenderer( C3DBase* a3DBase, TInt aMaxObjects );

	public: // New methods

		/// Add a M3DObject to drawlist
		/// @param aObject object to add to drawlist
		/// return added object's index
		TInt AddObject( M3dObject* aObject );

		/// Remove a M3DObject from drawlist
		/// @param aIndex index from to remove
		void RemoveObject( TInt aIndex );

		/// Set object's position in 3D-space
		/// @param aIndex object's index
		/// @param aPosition new position for object
		void SetObjectPosition( TInt aIndex, const TVertex& aPosition );

		/// Set object's angle in 3D-space
		/// @param aIndex object's index
		/// @param aAngle object's new angle
		void SetObjectAngle( TInt aIndex, const TVertex& aAngle );

		/// Set object's "priority" in 3D-space
		/// if you want some object to stay back
		/// put here very big numbers
		/// @param aIndex object's index
		/// @param aPriority new priority for object
		void SetObjectPriority( TInt aIndex, TInt aPriority );

		/// Set camera's place in 3D-space
		/// @param aPosition new position for camera
		void SetCameraPosition( const TVertex& aPosition );

		/// Set camera's angle in 3D-space
		/// @param aAngle new angle for camera
		void SetCameraAngle( const TVertex& aAngle );

		/// Draw everything in drawlist
		/// @param aScreen bitmap to draw everything
		void Draw( const TBitmap& aScreen );


	private: // Data

		C3DBase*	i3DBase;

		TInt		iMaxObjects;		// maximum number of objects in drawlist
		M3dObject**	iObject;			// the drawlist
		TVertex*	iObjectPosition;	// list of object positions
		TMatrix*	iObjectMatrix;		// list of object rotate matrices
		TMatrix*	iObjectRotMatrix;	// list of object rotate matrices turned by camera
		TInt*		iObjectPriority;	// list of object priorities

		TInt*		iObjectZ;			// list of object distances from view plane
		TInt*		iObjectN;			// object sort order

		TVertex		iCameraPosition;	// camera position in 3D-space
		TVertex		iCameraAngle;		// camera angle in 3D-space
		
		TInt16*		iCos;				// pointer to cosine table
		TInt16*		iSin;				// pointer to sinus table



	};

#endif