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#include <graphics.h>
#include <iostream.H>
#include <conio.h>
#include <math.h>
#include <dos.h>
#include <stdlib.h>
#include <iomanip.h>
#include <stdio.h>
enum keys {UP = 72, DOWN = 80, LEFT=75, RIGHT=77, ESC=27};
int key=0;
class Point
{
protected:
int X;
int Y;
int Color;
public:
Point(int, int, int);
int GetX();
int GetY();
int GetC();
void PutX(int);
void PutY(int);
void PutC(int);
void Show();
void Hide();
void Move(int, int);
};
class Line:public Point
{
protected:
double Len;
double Fi;
public:
Line(int, int, int, double, double);
double GetL();
double GetF();
void PutL(double);
void PutF(double);
void Show();
void Hide();
void Expand(int);
void Move(int, int);
};
class Kvad:public Line
{
public:
Kvad(int, int, int, double, double);
double GetS();
void Show();
void Hide();
void Move();
};
Point::Point(int X, int Y, int Color){
this->X = X;
this->Y = Y;
this->Color = Color;}
void Point::PutX(int X) { this->X = X; }
void Point::PutY(int Y) { this->Y = Y; }
void Point::PutC(int Color) { this->Color = Color; }
int Point::GetX() { return (X); }
int Point::GetY() { return (Y); }
int Point::GetC() { return (Color); }
void Point::Show() { putpixel(X, Y, Color); }
void Point::Hide() { putpixel(X, Y, getbkcolor()); }
void Point::Move(int X, int Y){
Hide();
PutX(X);
PutY(Y);
Show();}
Line::Line(int X, int Y, int Color, double Len, double Fi):
Point(X,Y,Color)
{this->Len = Len;
this->Fi = Fi;}
void Line::PutL(double Len) { this->Len = Len; }
void Line::PutF(double Fi) { this->Fi = Fi; }
double Line::GetL() { return (Len); }
double Line::GetF() { return (Fi); }
void Line::Show(){
int X1 = X + (int)floor(Len/2*sin(Fi));
int Y1 = Y - (int)floor(Len/2*cos(Fi));
int X2 = X + (int)floor(Len/2*sin(Fi +M_PI));
int Y2 = Y - (int)floor(Len/2*cos(Fi +M_PI));
int TempColor;
TempColor=getcolor();
setcolor(Color);
line(X1,Y1,X2,Y2);
setcolor(TempColor);}
void Line::Hide(){
int TempColor;
TempColor=GetC();
PutC(getbkcolor());
Show();
PutC(TempColor);}
void Line::Expand(int DR){
Hide();
if (GetL() >= -DR) PutL(Len + DR);
Show();}
void Line::Move(int X, int Y){
Hide();
PutX(X);
PutY(Y);
Show();}
Kvad::Kvad(int X, int Y, int Color, double Len, double Fi):
Line(X,Y,Color,Len,Fi) {}
double Kvad::GetS() { return (Len*Len); }
void Kvad::Cyf()
{
int i,l;
int cell[15][1];
char buf[16];
for(i=0;i<15;i++)
{
sprintf(buf,"%d",cell[i+1][0]);}
outtextxy(X,Y,buf);
}
void Kvad::Show(){
int X1 = X + (int)floor(1.42*Len*sin(Fi));
int Y1 = Y - (int)floor(1.42*Len*cos(Fi));
int X2 = X + (int)floor(1.42*Len*sin(Fi+1.5*M_PI));
int Y2 = Y - (int)floor(1.42*Len*cos(Fi+1.5*M_PI));
int X3 = X + (int)floor(1.42*Len*sin(Fi +M_PI));
int Y3 = Y - (int)floor(1.42*Len*cos(Fi +M_PI));
int X4 = X + (int)floor(1.42*Len*sin(Fi+0.5*M_PI));
int Y4 = Y - (int)floor(1.42*Len*cos(Fi+0.5*M_PI));
int TempColor;
TempColor=getcolor();
setcolor(Color);
line(X1,Y1,X2,Y2);
line(X2,Y2,X3,Y3);
line(X3,Y3,X4,Y4);
line(X4,Y4,X1,Y1);
setcolor(TempColor);}
void Kvad::Hide(){
int TempColor;
TempColor=GetC();
PutC(getbkcolor());
Show();
PutC(TempColor);}
void Kvad::Move()
{
do
{
if(kbhit()){
if (!(key=getch())) key=getch();
switch (key)
{
case UP:
{
Hide();
if(Y<150) break;
else Y-=100;
Show();
break;
}
case DOWN:
{
Hide();
if(Y>400)break;
else Y+=100;
Show();
break;
}
case LEFT:
{
Hide();
if(X<150) break;
else X-=100;
Show();
break;
}
case RIGHT:
{
Hide();
if(X>410) break;
else X+=100;
Show();
break;
}
}
}
} while (key!=ESC);}
int main()
{
int gdriver = DETECT, gmode, errorcode;
initgraph(&gdriver, &gmode, "C:\\TC\\BGI");
errorcode = graphresult();
if (errorcode != grOk)
{cout<<"error graphics: "<<grapherrormsg(errorcode)<<endl;
cout<<"num keys:"<<endl;
getch(); return(1); }
setcolor(getmaxcolor());
Kvad S[15]={
//Kvad (420,410,0,50,M_PI/4),
Kvad (120,110,4,50,M_PI/4),
Kvad (220,110,4,50,M_PI/4),
Kvad (320,110,4,50,M_PI/4),
Kvad (420,110,4,50,M_PI/4),
Kvad (120,210,4,50,M_PI/4),
Kvad (220,210,4,50,M_PI/4),
Kvad (320,210,4,50,M_PI/4),
Kvad (420,210,4,50,M_PI/4),
Kvad (120,310,4,50,M_PI/4),
Kvad (220,310,4,50,M_PI/4),
Kvad (320,310,4,50,M_PI/4),
Kvad (420,310,4,50,M_PI/4),
Kvad (120,410,4,50,M_PI/4),
Kvad (220,410,4,50,M_PI/4),
Kvad (320,410,4,50,M_PI/4),
};
int i,j,k;
for(i=0;i<15;i++){
S[i].Show(); getch();
}
cout<<"Vvedite pyatnashku:"<<endl;
cin>>j;
{S[j].Move(); getch();}
closegraph();
return(0);
}
