/*CPPS1 PROJECT*/          //THE SOLAR SYSTEM//
/*------------------------------------------------------------------------*/
#include <graphics.h>
#include <stdio.h>
#include <ctype.h>
#include <process.h>
#include<dos.h>
#include <conio.h>

/*-------------------------------*/
void start(void);
void quit(void);
void input(void);
/*-------------------------------*/
void mercury(void);
void mercury1(void);
void mercury2(void);
/*-------------------------------*/
void pluto(void);
void pluto1(void);
void pluto2(void);
/*-------------------------------*/
void venus(void);
void venus1(void);
void venus2(void);
/*-------------------------------*/
void neptune(void);
void neptune1(void);
void neptune2(void);
/*-------------------------------*/
void saturn(void);
void saturn1(void);
void saturn2(void);
/*-------------------------------*/
void earth(void);
void earth1(void);
void earth2(void);
/*-------------------------------*/
void mars(void);
void mars1(void);
void mars2(void);
/*-------------------------------*/
void jupiter(void);
void jupiter1(void);
void jupiter2(void);
/*-------------------------------*/
void sun(void);
void sun1(void);
void sun2(void);
/*-------------------------------*/
void uranus(void);
void uranus1(void);
void uranus2(void);
/*-------------------------------*/

void credits(void);
void title1(void);
void title2(void);
void menu(void);
void as(int x,int y,int r);
void display(void);
void data(void);
void details(void);
void end(void);
void main(void)
{
start();
title1();
title2();
display();
input();
quit();
}
/*------------------------INITIALIZING GRAPHICS------------------*/
void start(void)
{
int x,y;
detectgraph(&x,&y);
initgraph(&x,&y,"c:\\tc\\bgi");
}
/*---------------------------Bismillah---------------*/
void title1(void)
{
int i,j;
settextstyle(TRIPLEX_FONT,HORIZ_DIR,2);
setcolor(GREEN);
for(i=440;i>=200;i--)
{
if(kbhit())
{
break;
}
cleardevice();
moveto(40,i);
outtext("IN THE NAME OF ALLAH MOST GRACIOUS AND MERCIFUL");
delay(10);
}
getch();
}
/*--------------------------SOLARSYSTEM------------------*/
void title2(void)
{
int i,j;
settextstyle(TRIPLEX_FONT,HORIZ_DIR,8);
setcolor(4);
for(i=0;i<=150;i++)
{
cleardevice();
moveto(200,i);
outtext("SOLAR");
moveto(180,400-i);
outtext("SYSTEM");
delay(25);
}
settextstyle(TRIPLEX_FONT,HORIZ_DIR,1);
setcolor(12);
moveto(250,400);
outtext("PRESS ANY KEY");
settextstyle(TRIPLEX_FONT,HORIZ_DIR,8);
setcolor(4);
for(i=0;i>=0;i++)
{
if(kbhit())
{
break;
}
for(j=0;j<=15;j++)
{
setcolor(i);
moveto(200,150);
outtext("SOLAR");
moveto(180,250);
outtext("SYSTEM");
}
}
getch();
}

				//DIAGRAM//

void display(void)
{
cleardevice();
/*----------------------OUTER ELLIPSE--------------*/
setcolor(4);
ellipse(320,230,0,360,315,230);
/*-----------------------SUN-----------------------*/
settextstyle(SMALL_FONT,HORIZ_DIR,5);
int xc=320,yc=240;
int Rad=50;
setcolor(14);
moveto(380,210);
outtext("SUN");
/*-----------------------MERCURY---------------------*/
as(xc,yc,Rad);
settextstyle(SMALL_FONT,HORIZ_DIR,4);
int xc1=265,yc1=180;
int rad1=8;
setcolor(9);
moveto(280,170);
outtext("MERCURY");
/*----------------------VENUS-----------------------*/
as(xc1,yc1,rad1);
int xc2=320,yc2=330;
int rad2=15;
setcolor(2);
moveto(345,315);
outtext("VENUS");
/*----------------------EARTH-------------------------*/
as(xc2,yc2,rad2);
int xc3=194, yc3=180;
int rad3=15;
setcolor(1);
moveto(212,160);
outtext("EARTH");
/*----------------------MARS--------------------------*/
as(xc3,yc3,rad3);
int xc4=309,yc4=110;
int rad4=8;
setcolor(4);
moveto(327,100);
outtext("MARS");
/*-----------------------JUPITER---------------------*/
as(xc4,yc4,rad4);
int xc5=190,yc5=350;
int rad5=30;
setcolor(8);
moveto(225,320);
outtext("JUPITER");
/*-----------------------SATURN-----------------------*/
as(xc5,yc5,rad5);
int xc6=480,yc6=130;
int rad6=25;
setcolor(13);
ellipse(480,130,0,360,45,12);
moveto(515,100);
outtext("SATURN");
/*-----------------------URANUS------------------------*/
as(xc6,yc6,rad6);
int xc7=420,yc7=412;
int rad7=20;
setcolor(11);
ellipse(420,412,0,360,30,7);
moveto(450,400);
outtext("URANUS");
/*-----------------------NEPTUNE-------------------------*/
as(xc7,yc7,rad7);
int xc8=550,yc8=322;
int rad8=15;
setcolor(12);
ellipse(550,322,0,360,25,6);
moveto(570,300);
outtext("NEPTUNE");
/*-----------------------PLUTO----------------------------*/
as(xc8,yc8,rad8);
int xc9=220,yc9=427;
int rad9=6;
setcolor(7);
moveto(235,420);
outtext("PLUTO");
/*------------------------MAIN MENU---------------*/
as(xc9,yc9,rad9);
setfillstyle(1,1);
bar(0,0,150,20);
settextstyle(DEFAULT_FONT,HORIZ_DIR,1);
setcolor(WHITE);
moveto(36,8);
outtext("M FOR MENU");
}
/*-------------------------------INPUT FOR MENU------------------*/
void input(void)
{
char option;
do
{
option=getch();

if(option=='m'||option=='M')
{
menu();
}
}while(option!='m'||option!='M');
}

/*---------------------------MENU------------------*/
void menu(void)
{
int i,choice;
setfillstyle(1,WHITE);
for(i=0;i<=150;i++)
{
delay(5);
bar(0,24,i,170);
}
setcolor(1);
moveto(5,50);
outtext("D FOR DETAILS");
moveto(5,90);
outtext("C FOR CREDITS");
moveto(5,130);
outtext("Q TO QUIT");
choice=getch();
if(choice=='q'||choice=='Q')
{
quit();
}
if(choice=='D'||choice=='d')
{
details();
}
if(choice=='c'||choice=='C')
{
credits();
}
else
{
display();
input();
}
}
/*-------------------------LIST OF PLANETS-------------------*/
void details(void)
{
int i,choice;
setfillstyle(1,WHITE);
for(i=0;i<=150;i++)
{
delay(5);
bar(0,24,i,270);
}
setcolor(1);
moveto(5,50);
outtext("0 FOR SUN");
moveto(5,70);
outtext("1 FOR MERCURY");
moveto(5,90);
outtext("2 FOR VENUS");
moveto(5,110);
outtext("3 FOR EARTH");
moveto(5,130);
outtext("4 FOR MARS");
moveto(5,150);
outtext("5 FOR JUPITER");
moveto(5,170);
outtext("6 FOR SATURN");
moveto(5,190);
outtext("7 FOR URANUS");
moveto(5,210);
outtext("8 FOR NEPTUNE");
moveto(5,230);
outtext("9 FOR PLUTO");
choice=getch();
if(choice=='1')
{
mercury();
}

if(choice=='2')
{
venus();
}

if(choice=='3')
{
earth();
}

if(choice=='4')
{
mars();
}
if(choice=='5')
{
jupiter();
}
if(choice=='6')
{
saturn();
}
if(choice=='7')
{
uranus();
}
if(choice=='8')
{
neptune();
}
if(choice=='9')
{
pluto();
}
if(choice=='0')
{
sun();
}

else
{
display();
menu();
}
}
/*-------------------------------DATA--------------------*/

void mercury(void)
{
int no,option;
cleardevice();
data();
setcolor(4);
settextstyle(SMALL_FONT,HORIZ_DIR,6);
moveto(280,51);
outtext("MURCURY");
mercury1();
no=1;
do
{
option=getch();
if(option=='b'||option=='B')
{
display();
details();
}
if(option==73)          /* page up */
{
if(no==2)
{
no=1;
mercury1();
}
}
else if(option==81)          /* page down */
{
if(no==1)
{
no=2;
mercury2();
}
}
}while(option!='b'||option!='B');
}


void mercury1(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
int xc1=310,yc1=120;
int rad1=35;
setcolor(9);
as(xc1,yc1,rad1);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,160);
outtext("In astronomy,innermost planet of the ");
moveto(140,180);
outtext("solar system. 58 million km (35,960,000 miles).");
moveto(140,200);
outtext("Except for Pluto,it is the smallest of ");
moveto(140,220);
outtext("the nine major planets,having a diameter of");
moveto(140,240);
outtext("about 4,870 km (3,050 miles).");
moveto(140,260);
outtext("Mercury orbits closer to the sun than any");
moveto(140,280);
outtext("other planet, making it dry, hot, and virtually");
moveto(140,300);
outtext("airless. Although the planet's cratered surface");
moveto(140,320);
outtext("resembles that of the moon, it is believed that");
}

void mercury2(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,120);
outtext("the interior is actually similar to the earth's,");
moveto(140,140);
outtext("consisting primarily of iron and other heavy");
moveto(140,160);
outtext("elements.");
}


void pluto(void)
{
int no,option;
cleardevice();
data();
setcolor(4);
settextstyle(SMALL_FONT,HORIZ_DIR,6);
moveto(280,51);
outtext("PLUTO");
pluto1();
no=1;
do
{
option=getch();
if(option=='b'||option=='B')
{
display();
details();
}
if(option==73)          /* page up */
{
if(no==2)
{
no=1;
pluto1();
}
}

else if(option==81)          /* page down */
{
if(no==1)
{
no=2;
pluto2();
}
}
}while(option!='b'||option!='B');
}

void pluto1(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
int xc1=310,yc1=120;
int rad1=35;
setcolor(7);
as(xc1,yc1,rad1);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,160);
outtext("Pluto is farther from the sun than ");
moveto(140,180);
outtext("the other planets in the solar system,");
moveto(140,200);
outtext("although it occasionally moves in closer");
moveto(140,220);
outtext("than Neptune due to an irregular orbit.");
moveto(140,240);
outtext("The small, rocky, and cold planet takes");
moveto(140,260);
outtext("247.7 years to revolve around the sun.");
moveto(140,280);
outtext("foreground; its moon, Charon, background;");
moveto(140,300);
outtext(" and the distant sun, upper right.");
}

void pluto2(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,120);
outtext("Pluto is normally the outermost of the");
moveto(140,140);
outtext("known planets and the most distant from");
moveto(140,160);
outtext("the Sun; its mean distance from the");
moveto(140,180);
outtext("latter is calculated at about 5.9");
moveto(140,200);
outtext("billion km (3.7 billion miles).");
}


void jupiter(void)
{
int no,option;
cleardevice();
data();
setcolor(4);
settextstyle(SMALL_FONT,HORIZ_DIR,6);
moveto(280,51);
outtext("JUPITER");
jupiter1();
no=1;
do
{
option=getch();
if(option=='b'||option=='B')
{
display();
details();
}
if(option==73)          /* page up */
{
if(no==2)
{
no=1;
jupiter1();
}
}

else if(option==81)          /* page down */
{
if(no==1)
{
no=2;
jupiter2();
}
}
}while(option!='b'||option!='B');
}

void jupiter1(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
int xc1=310,yc1=120;
int rad1=35;
setcolor(8);
as(xc1,yc1,rad1);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,160);
outtext("Jupiter is the largest of the planets,");
moveto(140,180);
outtext("with a volume 1400 times greater than");
moveto(140,200);
outtext("that of the earth. Jupiter's colorful");
moveto(140,220);
outtext("bands are caused by strong atmospheric.");
moveto(140,240);
outtext("currents and accentuated by a dense cloud");
moveto(140,260);
outtext("cover. The massive planet, upper right, ");
moveto(140,280);
outtext("is shown here with the four largest of");
moveto(140,300);
outtext("its sixteen satellites: Europa, center,");
}



void jupiter2(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,120);
outtext("nearest Jupiter, Io upper left, Callisto");
moveto(140,140);
outtext("lower left, and Ganymede lower right.");
}



void saturn(void)
{
int no,option;
cleardevice();
data();
setcolor(4);
settextstyle(SMALL_FONT,HORIZ_DIR,6);
moveto(280,51);
outtext("SATURN");
saturn1();
no=1;
do
{
option=getch();
if(option=='b'||option=='B')
{
display();
details();
}
if(option==73)          /* page up */
{
if(no==2)
{
no=1;
saturn1();
}
}

else if(option==81)          /* page down */
{
if(no==1)
{
no=2;
saturn2();
}
}
}while(option!='b'||option!='B');
}

void saturn1(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
int xc1=310,yc1=120;
int rad1=35;
setcolor(13);
as(xc1,yc1,rad1);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,160);
outtext("Saturn, distinguished by its rings, ranks");
moveto(140,180);
outtext("as the second largest planet-Jupiter is");
moveto(140,200);
outtext("the largest-in the solar system. In 1610");
moveto(140,220);
outtext("the Italian physicist and astronomer Galileo");
moveto(140,240);
outtext("discovered the ring system using one of the");
moveto(140,260);
outtext("first telescopes ever made. Although the");
moveto(140,280);
outtext("planet formed more than 4 billion years");
moveto(140,300);
outtext("ago, it continues to settle and contract,");
}



void saturn2(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,120);
outtext("generating three times as much heat as it");
moveto(140,140);
outtext("receives from the sun. The Hubble Space");
moveto(140,160);
outtext("Telescope obtained this image of Saturn");
moveto(140,180);
outtext("on August 26, 1990.");
}


void venus(void)
{
int no,option;
cleardevice();
data();
setcolor(4);
settextstyle(SMALL_FONT,HORIZ_DIR,6);
moveto(280,51);
outtext("VENUS");
venus1();
no=1;
do
{
option=getch();
if(option=='b'||option=='B')
{
display();
details();
}
if(option==73)          /* page up */
{
if(no==2)
{
no=1;
venus1();
}
}

else if(option==81)          /* page down */
{
if(no==1)
{
no=2;
venus2();
}
}
}while(option!='b'||option!='B');
}

void venus1(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
int xc1=310,yc1=120;
int rad1=35;
setcolor(GREEN);
as(xc1,yc1,rad1);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,160);
outtext("Venus is the brightest object in our sky,");
moveto(140,180);
outtext("after the sun and moon. Swirling clouds of");
moveto(140,200);
outtext("sulfur and sulfuric acid obscure Venus's");
moveto(140,220);
outtext("surface and inhibited study of the planet");
moveto(140,240);
outtext("from earth until technology permitted space");
moveto(140,260);
outtext("vehicles, outfitted with probes, to visit it.");
moveto(140,280);
outtext("Probes determined that Venus is the hottest of");
moveto(140,300);
outtext("the planets, with a surface temperature of about");
}



void venus2(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,120);
outtext("462 ~C (864 ~F). Scientists believe a greenhouse");
moveto(140,140);
outtext("effect causes the extreme temperature,");
moveto(140,160);
outtext("hypothesizing that the planet's thick clouds");
moveto(140,180);
outtext("and dense atmosphere trap energy from the sun.");
}


void earth(void)
{
int no,option,i,j;
cleardevice();
data();
setcolor(4);
settextstyle(SMALL_FONT,HORIZ_DIR,6);
moveto(280,51);
outtext("EARTH");
earth1();
no=1;
do
{
option=getch();
if(option=='b'||option=='B')
{
display();
details();
}
if(option==73)          /* page up */
{
if(no==2)
{
no=1;
earth1();
}
}

else if(option==81)          /* page down */
{
if(no==1)
{
no=2;
earth2();
}
}
}while(option!='b'||option!='B');
}

void earth1(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
int xc1=310,yc1=120;
int rad1=35;
setcolor(1);
as(xc1,yc1,rad1);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,160);
outtext("An oxygen-rich and protective atmosphere,");
moveto(140,180);
outtext("moderate temperatures, abundant water, and");
moveto(140,200);
outtext("a varied chemical composition allow earth");
moveto(140,220);
outtext("to support life, the only planet to do so.");
moveto(140,240);
outtext("The slightly pear-shaped planet is composed");
moveto(140,260);
outtext("of rock and metal, which are present in molten");
moveto(140,280);
outtext("form beneath its surface. This photograph,taken");
moveto(140,300);
outtext("by the Apollo 17 spacecraft in 1972, shows ");
}

void earth2(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,120);
outtext("Arabia, the African continent, and Antarctica");
moveto(140,140);
outtext("(most of the white area near the bottom).");
}




void uranus(void)
{
int no,option;
cleardevice();
data();
setcolor(4);
settextstyle(SMALL_FONT,HORIZ_DIR,6);
moveto(280,51);
outtext("URANUS");
uranus1();
no=1;
do
{
option=getch();
if(option=='b'||option=='B')
{
display();
details();
}
if(option==73)          /* page up */
{
if(no==2)
{
no=1;
uranus1();
}
}

else if(option==81)          /* page down */
{
if(no==1)
{
no=2;
uranus2();
}
}
}while(option!='b'||option!='B');
}

void uranus1(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
int xc1=310,yc1=120;
int rad1=35;
setcolor(11);
as(xc1,yc1,rad1);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,160);
outtext("Uranus is almost 15 times as massive as");
moveto(140,180);
outtext("the Earth, and its volume exceeds that");
moveto(140,200);
outtext("of the latter by more than 50 times.");
moveto(140,220);
outtext("An analysis of radio emissions from Uranus");
moveto(140,240);
outtext("magnetic field has enabled investigators");
moveto(140,260);
outtext("of rock and metal, which are present in molten");
moveto(140,280);
outtext("to estimate the rotation period of the");
moveto(140,300);
outtext("planet to be about 17.24 hours. Uranus");
}




void uranus2(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,120);
outtext("axis of rotation is unusual in that it");
moveto(140,140);
outtext("lies in the plane of its orbit, and so");
moveto(140,160);
outtext("Uranus appears to spin on its side. The axes");
moveto(140,180);
outtext("of all other planets in the solar system are");
moveto(140,200);
outtext("roughly perpendicular to the plane of their");
moveto(140,220);
outtext("orbits.");
}


void neptune(void)
{
int no,option;
cleardevice();
data();
setcolor(4);
settextstyle(SMALL_FONT,HORIZ_DIR,6);
moveto(280,51);
outtext("NEPTUNE");
neptune1();
no=1;
do
{
option=getch();

if(option=='b'||option=='B')
{
display();
details();
}
if(option==73)
{
if(no==2)
{
no=1;
neptune1();
}
}

else if(option==81)
{
if(no==1)
{
no=2;
neptune2();
}
}
}while(option!='b'||option!='B');
}


void neptune1(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
int xc1=310,yc1=120;
int rad1=35;
setcolor(12);
as(xc1,yc1,rad1);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,160);
outtext("The 1989 Voyager 2 mission produced this");
moveto(140,180);
outtext("false-color image of Neptune showing the");
moveto(140,200);
outtext("different components of Neptune's atmosphere.");
moveto(140,220);
outtext("The red layer shows scattered sunlight from");
moveto(140,240);
outtext("a haze around the planet, the blue/green");
moveto(140,260);
outtext("indicates methane, and the white areas are");
moveto(140,280);
outtext("high-level clouds that reflect sunlight");
moveto(140,300);
outtext("above the atmosphere.");
}

void neptune2(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,120);
outtext("Neptune is the eighth planet in average");
moveto(140,140);
outtext("distance from the Sun");
}



void mars(void)
{
int no,option;
cleardevice();
data();
setcolor(4);
settextstyle(SMALL_FONT,HORIZ_DIR,6);
moveto(280,51);
outtext("MARS");
mars1();
no=1;
do
{
option=getch();

if(option=='b'||option=='B')
{
display();
details();
}
if(option==73)
{
if(no==2)
{
no=1;
mars1();
}
}

else if(option==81)
{
if(no==1)
{
no=2;
mars2();
}
}
}while(option!='b'||option!='B');
}


void mars1(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
int xc1=310,yc1=120;
int rad1=35;
setcolor(4);
as(xc1,yc1,rad1);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,160);
outtext("Unpiloted spacecraft from the United States,");
moveto(140,180);
outtext("launched between 1964 and 1976, have supplied");
moveto(140,200);
outtext("the most detailed information on Mars.");
moveto(140,220);
outtext("From this data, scientists determined that");
moveto(140,240);
outtext("the planet's atmosphere predominantly");
moveto(140,260);
outtext("consists of carbon dioxide (CO2), with small");
moveto(140,280);
outtext("amounts of nitrogen, oxygen, and water vapor");
moveto(140,300);
outtext("also present. Due to the thinness of the");
}


void mars2(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,80);
outtext("atmosphere, daily temperatures often vary as");
moveto(140,100);
outtext("much as 100° C (180° F). In general, surface");
moveto(140,120);
outtext("temperatures are too cold and surface pressures");
moveto(140,140);
outtext("too low for water to exist in a liquid state on");
moveto(140,160);
outtext("mars, so the planet resembles a cold,");
moveto(140,180);
outtext("high-altitude desert.");
}



void sun(void)
{
int no,option;
cleardevice();
data();
setcolor(4);
settextstyle(SMALL_FONT,HORIZ_DIR,6);
moveto(280,51);
outtext("SUN");
sun1();
no=1;
do
{
option=getch();

if(option=='b'||option=='B')
{
display();
details();
}
if(option==73)
{
if(no==2)
{
no=1;
sun1();
}
}

else if(option==81)
{
if(no==1)
{
no=2;
sun2();
}
}
}while(option!='b'||option!='B');
}


void sun1(void)
{
setfillstyle(1,BLACK);
bar(130,80,509,360);
int xc1=310,yc1=120;
int rad1=35;
setcolor(YELLOW);
as(xc1,yc1,rad1);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,160);
outtext("The Sun is a sphere of luminous gas");
moveto(140,180);
outtext("1,392,000 km (864,950 miles) in diameter.");
moveto(140,200);
outtext("Its mass is 1.99 grams, or about 330,000");
moveto(140,220);
outtext("times the mass of the Earth.The Sun generates");
moveto(140,240);
outtext("energy by nuclear fusion reactions in its");
moveto(140,260);
outtext("core at a rate of 3.86 ergs per second.");
moveto(140,280);
outtext("Although its core temperature is close to");
moveto(140,300);
outtext("15,000,000 K, the temperature of the surface");
}
void sun2(void)
{
setfillstyle(1,BLACK);
bar(130,80,500,360);
settextstyle(SMALL_FONT,HORIZ_DIR,5);
setcolor(GREEN);
moveto(140,120);
outtext("of the Sun is only about 6,000 K. This is");
moveto(140,140);
outtext("average in terms of stellar temperatures,");
moveto(140,160);
outtext("and the Sun is an average star in every respect.");
}
/*------------------------DATA MENU---------------------*/
void data(void)
{
int i;
cleardevice();
display();
setfillstyle(1,BLACK);
bar(125,50,510,410);
rectangle(125,50,510,410);
line(125,70,510,70);
line(125,370,510,370);
settextstyle(DEFAULT_FONT,HORIZ_DIR,1);
moveto(150,380);
outtext("[B] TO MENU");
moveto(400,380);
outtext("PGUP");
moveto(400,395);
outtext("PGDN");
}
/*----------------------------CIRCLE IN DATDBOX--------------*/
void as(int x,int y,int r)
{
int i;
for(i=0;i<=r;i++)
{
circle(x,y,i);
}
}
/*---------------------------CREDITS----------------------*/
void credits(void)
{
int i,op;
setcolor(9);
for(i=400;i>=-220;i--)
{
if(kbhit())
{
break;
}
cleardevice();
settextstyle(SANS_SERIF_FONT,HORIZ_DIR,6);
moveto(150,i);
outtext("PROGRAMMER");
settextstyle(SANS_SERIF_FONT,HORIZ_DIR,2);
moveto(200,i+80);
outtext("FAHAD AZIZ QADWAI");
delay(25);
}
display();
}
/*------------------------GOOD BYE------------------*/
void end(void)
{
int r;
settextstyle(TRIPLEX_FONT,HORIZ_DIR,4);
setcolor(9);
for(r=0;r<=180;r++)
{
cleardevice();
moveto(220,r);
outtext("GOOD BYE");
delay(15);
}
}
/*----------------------------QUIT------------------------------*/
void quit(void)
{
end();
closegraph();
exit(0);
}

/*------------------------------THE END-------------------------------*/