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Monster Media 1994 #1
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PROG_GEN
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LIB3D30B.ZIP
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RTOBJ.H
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C/C++ Source or Header
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1994-03-10
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5KB
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138 lines
/******************************************************************************
* rtobj.h *
* please notice - *
* this unit includes both the object3d unit, and the superobj unit, *
* and it is used with no reference to the WWToolKit window GUI library, *
* uses project3, instead of prjWind (It does, however, support OWL) *
* *
* In V2.x - The support collections are part of this unit as well ... *
* V3.x adds os/2 support *
* *
* *
* 3D Objects *
* ---------- *
* *
* A 3D object is a collection of points and lines in the 3D universe, *
* that represent the body we want to draw on the screen. *
* A 3D object is allways centered around point (0, 0, 0) in the 3D universe. *
* (Its center of gravity assuming it is has a uniform weight distribution *
* is in point (0, 0, 0) *
* At any moment during the object's life, we know it's distance from the *
* origin, And it's rotation using reveres rotation CTM. *
* *
* 3D Object methods: *
* constructor Open *
* destructor CloseMe *
* procedures: Rotate, Scale, Move, Show, Hide, Load, Save *
* SetToOrigin, Paint *
* *
******************************************************************************/
#ifndef _rtobj_h
#define _rtobj_h
#include <stdio.h>
#include "ctm3d.h"
#include "project3.h"
class baseObject {
public:
ctmPtr myCtm;
unsigned int myColor;
point3d location;
int scrPntUpdt; // TRUE if screen points updated.
char name[80];
baseObject(char *myName, unsigned int color); // same as open in pascal
virtual ~baseObject(); // same as closeMe in pascal
#ifndef _windows
virtual void show();
virtual void hide();
virtual void paint();
#endif
virtual void updateScreenPoints();
virtual void move(axisType axis, double by);
virtual void translate(int dx,
int dy,
int dz);
virtual void scale(axisType axis, double factor);
virtual void allScale(double sx, double sy, double sz);
virtual void rotate(axisType axis, double deg);
virtual void goto3dPos(double x, double y, double z);
virtual void setToOrigin(); // translate to 0,0,0, update points and set ctm to unit.
virtual void calcLocation(); // set location to central gravity
virtual void deleteTransform(); // set myCtm to unit
virtual unsigned int load(); // from disk
virtual unsigned int save(); // to disk
virtual unsigned int writeMe(FILE *elementFile); // to disk, without opening file
virtual unsigned int readMe(FILE *elementFile);
}; // baseObject class definition
typedef baseObject *baseObjectPtr;
class obj3d : public baseObject {
public:
point3d (*points)[];
line3d (*lines)[];
screenPoints (*scrPoints)[];
int numOfLines;
int numOfPoints;
ctmPtr reverseRot;
ctmPtr unReverseRot;
obj3d(char *myName, point3d ref, unsigned int color);
virtual ~obj3d();
virtual void paint();
virtual void updateScreenPoints();
virtual void calcLocation();
virtual void setToOrigin();
virtual unsigned int writeMe(FILE *elementFile);
virtual unsigned int readMe(FILE *elementFile);
}; // obj3d class definition
typedef obj3d *obj3dPtr;
class complexObj : public baseObject {
public:
obj3dPtr (*childs)[];
ctm (*ctms)[];
int numOfChilds;
complexObj(char *myName, unsigned int color);
virtual ~complexObj();
virtual void updateScreenPoints();
virtual unsigned int writeMe(FILE *elementFile);
virtual unsigned int readMe(FILE *elementFile);
virtual void calcLocation();
virtual void paint();
virtual void move(axisType axis, double by);
virtual void scale(axisType axis, double factor);
virtual void rotate(axisType axis, double deg);
unsigned int addSubObject(char *myName, point3d ref);
obj3dPtr getChildPtr(int index);
void rotateChild(int child, axisType axis, double deg);
void scaleChild(int child, axisType axis, double factor);
void moveChild(int child, axisType axis, double by);
}; // complexObj class definition
#endif