Animated Circles In C++
#include<stdlib.h>
#include<conio.h>
#include<graphics.h>
#include<dos.h>
void main()
{
//////////////////////////////////////////////////
int x,y,i;
int g=DETECT,d;
initgraph(&g,&d,"\tc\bgi");
cleardevice();
x=getmaxx()/2;
y=getmaxy()/2;
settextstyle(TRIPLEX_FONT, HORIZ_DIR, 3);
setbkcolor(rand());
setcolor(4);
outtextxy(30,100,"Press");
outtextxy(30,130,"any");
outtextxy(30,160,"key");
outtextxy(30,190, "to");
outtextxy(30,220,"Quit");
while (!kbhit())
//////////////////////////////////////////////////
{
setcolor(rand());
for (int i=0;i<50;i++)
circle(x,y,i );
setcolor(rand());
for (int j=70;j<120;j++)
circle(x,y,j);
setcolor(rand());
for (int k=140;k<190;k++)
circle(x,y,k);
setcolor(rand());
for (int l=210;l<230;l++)
circle(x,y,l);
delay(200);
//////////////////////////////////////////////////
}
getch();
closegraph();
}
Analog Clock Program
#include<graphics.h>
#include<conio.h>
#include<math.h>
#include<dos.h>
void main()
{
int gd=DETECT,gm;
int x=320,y=240,r=200,i,h,m,s,thetamin,thetasec;
struct time t;
char n[12][3]={"3","2","1","12","11","10","9","8","7","6","5","4"};
initgraph(&gd,&gm,"f:\arun\tc");\put the directory which contains
egavga.bgi
circle(x,y,210);
setcolor(4);
settextstyle(4,0,5);
for(i=0;i<12;i++)
{
if(i!=3)
outtextxy(x+(r-14)*cos(M_PI/6*i)-10,y-(r-14)*sin(M_PI/6*i)-26,n[i]);
else
outtextxy(x+(r-14)*cos(M_PI/6*i)-20,y-(r-14)*sin(M_PI/6*i)-26,n[i]);
}
gettime(&t);
printf("The current time is: %2d:%02d:%02d.%02d
",t.ti_hour, t.ti_min,
t.ti_sec, t.ti_hund);
while(!kbhit())
{
setcolor(5);
setfillstyle(1,5);
circle(x,y,10);
floodfill(x,y,5);
gettime(&t);
if(t.ti_min!=m)
{
setcolor(0);
line(x,y,x+(r-60)*cos(thetamin*(M_PI/180)),y-(r-60)*sin(thetamin*(M_PI/180
)));
circle(x+(r-80)*cos(thetamin*(M_PI/180)),y-(r-80)*sin(thetamin*(M_PI/180))
,10);
line(x,y,x+(r-110)*cos(M_PI/6*h-((m/2)*(M_PI/180))),y-(r-110)*sin(M_PI/6*h
-((m/2)*(M_PI/180))));
circle(x+(r-130)*cos(M_PI/6*h-((m/2)*(M_PI/180))),y-(r-130)*sin(M_PI/6*h-(
(m/2)*(M_PI/180))),10);
}
if(t.ti_hour>12)
t.ti_hour=t.ti_hour-12;
if(t.ti_hour<4)
h=abs(t.ti_hour-3);
else
h=15-t.ti_hour;
m=t.ti_min;
if(t.ti_min<=15)
thetamin=(15-t.ti_min)*6;
else
thetamin=450-t.ti_min*6;
if(t.ti_sec<=15)
thetasec=(15-t.ti_sec)*6;
else
thetasec=450-t.ti_sec*6;
setcolor(4);
line(x,y,x+(r-110)*cos(M_PI/6*h-((m/2)*(M_PI/180))),y-(r-110)*sin(M_PI/6*h
-((m/2)*(M_PI/180))));
circle(x+(r-130)*cos(M_PI/6*h-((m/2)*(M_PI/180))),y-(r-130)*sin(M_PI/6*h-(
(m/2)*(M_PI/180))),10);
line(x,y,x+(r-60)*cos(thetamin*(M_PI/180)),y-(r-60)*sin(thetamin*(M_PI/180
)));
circle(x+(r-80)*cos(thetamin*(M_PI/180)),y-(r-80)*sin(thetamin*(M_PI/180))
,10);
setcolor(15);
line(x,y,x+(r-70)*cos(thetasec*(M_PI/180)),y-(r-70)*sin(thetasec*(M_PI/180
)));
delay(1000);
setcolor(0);
line(x,y,x+(r-70)*cos(thetasec*(M_PI/180)),y-(r-70)*sin(thetasec*(M_PI/180
)));
}
}
A tictactoe game in C++.
Code :
#include<iostream.h> //opening headerfile iostream for in-out
#include<conio.h> //opening headerfile conio for clrscr();
#include<stdlib.h> //opening headerfile stdlib for
random(int);
char tic[3][3]; //global matrix declerations
int d,e,f,a,t,i,j,x,y; //global variables declerations
void display(); //displays the matrix
void user(); //function for user's move
void newdisp(); //function for display of matrix after
every
move
void pc(); //function for pc's move
int check(); //function for finding out the winner
int horcheck(); //function for horizontal line check
int vercheck(); //function for vertical line check
int diagcheck(); //function for diagonal line check
main() //main function
{
clrscr(); //clears the previous output screen
randomize(); //initialize random function calling
int d=random(2); //random function call
for(i=0;i<3;i++)
for(j=0;j<3;j++)
tic[i][j]=' '; //assigning space ' ' to all elements of matrix
display(); //display function call
d==0?user():pc(); //random starting of the game depending
on d
getch(); //provides output by getting input
without
returning to program
return 0; //return int to main function
}
void display() //display function definition
{
for(t=0;t<3;t++)
{
cout<<" "<<tic[t][0]<<" | "<<tic[t][1]<<" | "<<tic[t][2]<<endl;
//figure formation
if(t!=2)
cout<<" --|---|--"<<endl;
}
}
void user() //user function definition
{
cout<<"
ENTER THE CO-ORDINATES WHERE YOU WANT TO PUT UR 'X' i.e
0,1,2
";
cin>>x>>y;
if((x<0)||(x>2)&&(y<0)||(y>2)) //check for valid co-ordinates
{
cout<<"
ENTER THE CORRECT CO-ORDINATES";
user(); //user function call
}
else
{
if(tic[x][y]==' ') //check for vacant space at entered co-ordinates
{
tic[x][y]='X'; //assigning user 'X' to the co-ordinates
newdisp(); //newdisp function call
}
else
{
cout<<"
THIS POSITION IS ALREADY FILLED. CHOOSE SOME OTHER
CO-ORDINATES";
user(); //user function call
}
}
d=check(); //check function call
if(d==0)
pc(); //pc function call
else
{
cout<<"
YOU ARE THE WINNER";
getche(); //requires enter to return to program. prevents return
without display
exit(1); //program termination
}
}
void newdisp() //newdisp function definition
{
for(t=0;t<3;t++)
{
cout<<" "<<tic[t][0]<<" | "<<tic[t][1]<<" | "<<tic[t][2]<<endl;
//displays new tictactoe after user or pc turn
if(t!=2)
cout<<" --|---|--"<<endl;
}
}
void pc() //pc function call
{
int f,z;
randomize(); //initialize random function calling
cout<<"
THIS IS THE COMPUTER'S MOVE
";
for(i=0;i<=20;i++)
{
f=random(3);
z=random(3);
if(tic[f][z]==' ') //check for vacant space at entered
co-ordinates
{
tic[f][z]='O'; //assigning pc 'O' to the co-ordinates
goto x; //exiting for loop to display new tictactoe
}
else
continue; //
}
x:newdisp(); //newdisp function call
d=check(); //check function call
if(d==0)
user(); //user function call
else
{
cout<<"
I'M THE WINNER";
getche(); //requires enter to return to program. prevents
return without display
exit(1); //program termination
}
}
check() //check function definition
{
horcheck(); //horcheck function call
vercheck(); //vercheck function call
diagcheck(); //diagcheck function call
return (d||e||f);
}
horcheck() //horcheck function definition
{
if(((tic[0][0]==tic[0][1])&&(tic[0][1]==tic[0][2])&&(tic[0][1]!='
'))||((tic[1][0]==tic[1][1])&&(tic[1][1]==tic[1][2])&&(tic[1][1]!='
'))||((tic[2][0]==tic[2][1])&&(tic[2][1]==tic[2][2])&&(tic[2][2]!='
')))
d=1; //checks each element of a horizontal line
to
be same
else //returns 1 if all 3 elements of any
horizontal line are same
d=0; //else returns 0
return d;
}
vercheck() //vercheck function definition
{
if(((tic[0][0]==tic[1][0])&&(tic[1][0]==tic[2][0])&&(tic[0][0]!='
'))||((tic[0][1]==tic[1][1])&&(tic[1][1]==tic[2][1])&&(tic[0][1]!='
'))||((tic[0][2]==tic[1][2])&&(tic[1][2]==tic[2][2])&&(tic[0][2]!='
')))
e=1; //checks each element of a vertical line to
be
same
else //returns 1 if all 3 elements of any
vertical
line are same
e=0; //else returns 0
return e;
}
diagcheck() //diagcheck function definition
{
if(((tic[0][0]==tic[1][1])&&(tic[1][1]==tic[2][2])&&(tic[0][0]!='
'))||((tic[0][2]==tic[1][1])&&(tic[1][1]==tic[2][0])&&(tic[1][1]!='
')))
f=1; //checks each element of a diagonal line to
be
same
else //returns 1 if all 3 elements of any
diagonal
line are same
f=0; //else returns 0
return f;
}