C PROGRAM TO DEMONSTRATE TRAFFIC SIGNALS

/* C PROGRAM TO DEMONSTRATE TRAFFIC SIGNALS             */
/* AUTHOR : DEEPAK MAHAKALE 3RD YEAR IT SRCOEM, NAGPUR  */

#include<graphics.h>
#include<conio.h>
#include<dos.h>
#include<stdlib.h>

main() {
  int gd = DETECT, gm, midx, midy;

  initgraph( & gd, & gm, "C:/TC/BGI");

  midx = getmaxx() / 2;
  midy = getmaxy() / 2;

  setcolor(RED);
  settextstyle(SCRIPT_FONT, HORIZ_DIR, 3);
  settextjustify(CENTER_TEXT, CENTER_TEXT);
  outtextxy(midx, midy - 10, "Traffic Light Simulation");
  outtextxy(midx, midy + 10, "Press any key to start");
  getch();
  cleardevice();
  setcolor(WHITE);
  settextstyle(DEFAULT_FONT, HORIZ_DIR, 1);
  rectangle(midx - 30, midy - 80, midx + 30, midy + 80);
  circle(midx, midy - 50, 22);
  setfillstyle(SOLID_FILL, RED);
  floodfill(midx, midy - 50, WHITE);
  setcolor(BLUE);
  outtextxy(midx, midy - 50, "STOP");
  delay(2000);
  graphdefaults();
  cleardevice();
  setcolor(WHITE);
  rectangle(midx - 30, midy - 80, midx + 30, midy + 80);
  circle(midx, midy, 20);
  setfillstyle(SOLID_FILL, YELLOW);
  floodfill(midx, midy, WHITE);
  setcolor(BLUE);
  outtextxy(midx - 18, midy - 3, "READY");

  delay(2000);
  cleardevice();
  setcolor(WHITE);
  rectangle(midx - 30, midy - 80, midx + 30, midy + 80);
  circle(midx, midy + 50, 22);
  setfillstyle(SOLID_FILL, GREEN);
  floodfill(midx, midy + 50, WHITE);
  setcolor(BLUE);
  outtextxy(midx - 7, midy + 48, "GO");
  setcolor(RED);
  settextstyle(SCRIPT_FONT, HORIZ_DIR, 4);
  outtextxy(midx - 150, midy + 100, "Press any key to exit...");

  getch();
  closegraph();
  return 0;
}

C PROGRAM TO DESIGN A MOVING WHEEL

/* C PROGRAM TO  DESIGN  A MOVING WHEEL                 */
/* AUTHOR : DEEPAK MAHAKALE 3RD YEAR IT SRCOEM, NAGPUR  */

#include<stdio.h>
#include<graphics.h>
#include<math.h>
#include<conio.h>
#include<dos.h>

int xc = 50, yc = 200, r = 35;
int x[15], y[15];
void drawcircles() {
  setcolor(YELLOW);
  circle(xc, yc, r);
  circle(xc, yc, r + 5);
}
void main() {
  double angle = 0, theta;
  int i, a;
  int gd = DETECT, gm;
  initgraph( & gd, & gm, "C:\TC\BGI");
  a = xc + r;
  while (!kbhit()) {
    while (a <= 630) {
      theta = M_PI * angle / 180;
      cleardevice();
      drawcircles();
      for (i = 0; i < 18; i++) {
        theta = M_PI * angle / 180;
        x[i] = xc + r * cos(theta);
        y[i] = yc + r * sin(theta);
        angle += 20;
        line(xc, yc, x[i], y[i]);
      }
      angle += 2;
      xc += 2;
      a = xc + r;
      delay(50);
    }
    xc = 50;
    r = 35;
    a = xc + r;
  }
  getch();
  closegraph();
}

C PROGRAM CREATE CIRCLES DESIGN

/* C PROGRAM CREATE CIRCLES DESIGN */

/* AUTHOR : DEEPAK MAHAKALE 3RD YEAR IT SRCOEM, NAGPUR*/

#include<graphics.h>
#include<conio.h>
#include<dos.h>

main()
{
   int gd = DETECT, gm, x, y, color, angle = 0;
   struct arccoordstype a, b;

   initgraph(&gd, &gm, "C:/TC/BGI");
   delay(2000);

   while(angle<=360)
   {
      setcolor(BLACK);
      arc(getmaxx()/2,getmaxy()/2,angle,angle+2,100);
      setcolor(RED);
      getarccoords(&a);
      circle(a.xstart,a.ystart,25);
      setcolor(BLACK);
      arc(getmaxx()/2,getmaxy()/2,angle,angle+2,150);
      getarccoords(&a);
      setcolor(GREEN);
      circle(a.xstart,a.ystart,25);
      angle = angle+5;
      delay(50);
   }

   getch();
   closegraph();
   return 0;
}

C PROGRAM TO DEMONSTRATE BRICK GAME

/* C PROGRAM TO DEMONSTRATE BRICK GAME *//* AUTHOR : DEEPAK MAHAKALE 3RD YEAR IT SRCOEM, NAGPUR*/

#include<stdio.h>
#include<graphics.h>
#include<iostream.h>
#include<stdio.h>
#include<conio.h>
#include<dos.h>
#include<stdlib.h>

int getkey();

void main()
{

int gd,gm;
gd=DETECT;
initgraph(&gd,&gm,"C:/TC/BGI");
cleardevice();

int ar,xc,yc,xr=0,yr=195,a=1,b=1,c=0,are;
void *bu,*buf;
int X=0,Y=0,s,area1;
void *buff1;

rectangle(0,0,50,25);
setfillstyle(6,6);
floodfill(2,2,15);
ar=imagesize(0,0,50,25);
bu=malloc(ar);
getimage(0,0,50,25,bu);
putimage(0,0,bu,XOR_PUT);
rectangle(0,0,50,25);
setfillstyle(6,8);
floodfill(2,2,15);
are=imagesize(0,0,50,25);
buf=malloc(are);
getimage(0,0,50,25,buf);
putimage(0,0,buf,XOR_PUT);
for(int j=0;j<180;j+=27)
 for(int i=0;i<600;i+=52)
  putimage(0+i,27+j,bu,XOR_PUT);
putimage(0,27,bu,XOR_PUT);
putimage(572,27,bu,XOR_PUT);
putimage(0,27,buf,XOR_PUT);
putimage(572,27,buf,XOR_PUT);

setcolor(3);
rectangle(80,445,159,452);
setfillstyle(1,1);
floodfill(82,447,3);
area1=imagesize(80,445,159,452);
buff1=malloc(area1);
getimage(80,445,159,452,buff1);

setcolor(4);
line(0,479,640,479);

    int area,x=325,y=325,ch,xdirn=-1,ydirn=-1,step;
    int maxx,maxy;
    void *buff;

    setcolor(WHITE);
    setfillstyle(SOLID_FILL,RED);
    circle(350,350,5);
    floodfill(350,350,WHITE);

    area=imagesize(345,345,355,355);
    buff=malloc(area);
    getimage(345,345,355,355,buff);
    putimage(345,345,buff,XOR_PUT);


  while (1)
  {
    putimage(x, y, buff, XOR_PUT);
    delay(15);
    putimage(x, y, buff, XOR_PUT);

    x=x+(xdirn*2);
    y=y+(ydirn*3);

    if ( x + 10 - 1 > 640 )
     {
       xdirn*=-1;
       x = 640 - 10 + 1;
     }
    if (x < 0)
     {
       xdirn*=-1;
       x = 0;
     }
    if ( y + 10 - 1 > 470 )
     {

       cleardevice();
       outtextxy(200,200,"Sorry! You loose the game.");
       outtextxy(250,240,"Try Again!!!");
       gotoxy(30,8);
       cout<<"Total Score : ";
       delay(5000);
       getch();
       goto tt;
     }
    if(c==1020)
    {
       outtextxy(180,200,"Congrats! You have finished the game.");
       gotoxy(30,8);
       cout<<"Total Score : ";
       delay(5000);
       getch();
       goto tt;
     }

    if ( getpixel(x,y)==1 )
     {
       sound(500);
       delay(15);
       nosound();
       ydirn*=-1;
     }
    if (getpixel(x,y)==6)
     {
       sound(100);
       delay(50);
       nosound();
       ydirn*=-1;
       xc=x;
       yc=y;
       a=xc/52;
       b=(yc/27);
       xr=a*52;
       yr=b*27;
       putimage(xr,yr,bu,XOR_PUT);
       c+=10;
     }
    if (getpixel(x,y)==8)
     {
       sound(800);
       delay(200);
       nosound();
       ydirn*=-1;
       xc=x;
       yc=y;
       a=xc/52;
       b=(yc/27);
       xr=a*52;
       yr=b*27;
       putimage(xr,yr,buf,XOR_PUT);
       c+=100;
     }
    if( y < 0 )
     {
      ydirn*=-1;
      y=0;
     }
    gotoxy(65,1);
    cout<<"SCORE : ";

if(kbhit())
{
 s=getkey();
 if(s!=1)
 {
   if(X>480)
    {
X=480;
putimage(160+X,445+Y,buff1,XOR_PUT);
    }
   if(X<-80)
    {
X=-80;
putimage(80+X,445+Y,buff1,XOR_PUT);
    }
   putimage(80+X,445+Y,buff1,XOR_PUT);

   if(s==75)
X+=-40;

   if(s==77)
X+=40;
   putimage(80+X,445+Y,buff1,XOR_PUT);

  }
  if(s==1)
  {
tt: free(bu);
    free(buff);
    free(buff1);
    closegraph();
    exit(0);
  }
 }
}
free(bu);
free(buff);
free(buff1);
closegraph();
}

int getkey()
{
union REGS j,o;
j.h.ah=0;
int86(22,&j,&o);
return(o.h.ah);
}

C PROGRAM TO DEMONSTRATE A MOVING FISH

/* C PROGRAM TO DEMONSTRATE A MOVING FISH *//* AUTHOR : DEEPAK MAHAKALE 3RD YEAR IT SRCOEM, NAGPUR*/#include<stdio.h>

#include<time.h>
#include<conio.h>
#include<stdlib.h>
#include<dos.h>
#include<graphics.h>

void main()
{
int gd=DETECT,gm;
int x=10,y=200,x1=675,y1=380;
int stangle=35,endangle=140,radius=90;

initgraph(&gd,&gm,"C:/TC/BGI");

while(!kbhit())
{
cleardevice();
setbkcolor(BLACK);

if(x<640)
{
x+=5;
y+=1;
arc(x,y,stangle,endangle+35,radius);
arc(x,y-110,190,323,radius+2);
circle(x+40,y-60,5);
line(x-90,y-90,x-90,y-8);
}
else
{
x1-=5;
y1-=1;
arc(x1,y1,stangle-30,endangle+4,radius);
arc(x1,y1-110,217,350,radius+2);
circle(x1-40,y1-60,5);
line(x1+90,y1-90,x1+90,y1-10);
}
setcolor(YELLOW);
delay(90);
}
closegraph();
}

C PROGRAM TO DEMONSTRATE SHEARING TRANSFORMATION

/* C PROGRAM TO DEMONSTRATE SHEARING TRANSFORMATION*/

/* AUTHOR : DEEPAK MAHAKALE 3RD YEAR IT SRCOEM, NAGPUR*/
#include<stdio.h>
#include<conio.h>
#include<dos.h>
#include<graphics.h>
void main()
{
int poly[30],a[9][3],b[3][3],c[9][3],poly2[30];
int x=0,y=0,p,i,j,k,xc,yc,ch;
int gd=DETECT,gm;
clrscr();
initgraph(&gd,&gm,"C:/TC/BGI");
xc=getmaxx()/2;
yc=getmaxy()/2;
setcolor(1);
setbkcolor(15);
setfillstyle(6,3);
printf("\n Enter number of points : ");
scanf("%d",&p);
j=0;
for(i=0;i<p*2;i+=2)
{
printf("\n Enter cordinate point x%d and y%d : ",j+1,j+1);
scanf("%d",&poly[i]);
scanf("%d",&poly[i+1]);
j++;
}
poly[p*2]=poly[0];
poly[p*2+1]=poly[1];

for(i=0;i<p*2;i+=2)
{
poly2[i]=xc+poly[i];
poly2[i+1]=yc-poly[i+1];
}
poly2[p*2]=poly2[0];
poly2[p*2+1]=poly2[1];
fillpoly(p+1,poly2);

line(0,yc,xc*2,yc);
line(xc,0,xc,yc*2);

printf("\n Shearing of : \n 1. x \n 2. y \n 3. Both\n enter choice : ");
scanf("%d",&ch);
if(ch==1)
{
printf("\n Enter x shear value : ");
scanf("%d",&x);
}
if(ch==2)
{
printf("\n Enter y shear value : ");
scanf("%d",&y);
}
if(ch==3)
{
printf("\n Enter x shear value : ");
scanf("%d",&x);
printf("\n Enter y shear value : ");
scanf("%d",&y);
}

j=0;
for(i=0;i<p;i++)
{
 a[i][0]=poly[j];
 a[i][1]=poly[++j];
 a[i][2]=1;
 ++j;
}
if(ch==1)
{
    for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
       b[i][j]=0;
       if(i==j)
       {
       b[i][j]=1;
       }
     }
    }
    b[1][0]=x;
}
else if(ch==2)
{
    for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
       b[i][j]=0;
       if(i==j)
       {
       b[i][j]=1;
       }
     }
    }
    b[0][1]=y;
}
else if(ch==3)
{
    for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
       b[i][j]=0;
       if(i==j)
       {
       b[i][j]=1;
       }
     }
    }
    b[1][0]=x;
    b[0][1]=y;
}
for(i=0;i<p;i++)
{
   for(j=0;j<3;j++)
   {
   c[i][j]=0;
     for(k=0;k<3;k++)
     {
 c[i][j]=c[i][j]+a[i][k]*b[k][j];
     }
   }
 }
printf("\n\n\n\n\n\t After Shearing : ");

for(i=0,j=0;i<p;i++,j+=2)
{
poly[j]  =xc+c[i][0];
poly[j+1]=yc-c[i][1];
}
poly[j]  =poly[0];
poly[j+1]=poly[1];
setfillstyle(9,2);
fillpoly(p+1,poly);
getch();
closegraph();
}

C PROGRAM TO DEMONSTRATE REFLECTION TRANSFORMATION ABOUT X-AXIS, Y-AXIS AND ORIGIN

/* C PROGRAM TO DEMONSTRATE REFLECTION TRANSFORMATION ABOUT X-AXIS, Y-AXIS AND ORIGIN*/

/* AUTHOR : DEEPAK MAHAKALE 3RD YEAR IT SRCOEM, NAGPUR*/

#include<stdio.h>
#include<conio.h>
#include<dos.h>
#include<graphics.h>
void main()
{
int poly[30],a[9][3],b[3][3],c[9][3],poly2[30];
int x,y,p,i,j,k,xc,yc;
int gd=DETECT,gm;
clrscr();
initgraph(&gd,&gm,"C:/TC/BGI");
xc=getmaxx()/2;
yc=getmaxy()/2;

setcolor(1);
setbkcolor(15);
setfillstyle(6,3);
printf("\n Enter number of points : ");
scanf("%d",&p);
j=0;
for(i=0;i<p*2;i+=2)
{
printf("\n Enter cordinate point x%d and y%d : ",j+1,j+1);

scanf("%d",&poly[i]);
scanf("%d",&poly[i+1]);
j++;
}
poly[p*2]=poly[0];
poly[p*2+1]=poly[1];



for(i=0;i<p*2;i+=2)
{
poly2[i]=xc+poly[i];
poly2[i+1]=yc-poly[i+1];

}
poly2[p*2]=poly2[0];
poly2[p*2+1]=poly2[1];

fillpoly(p+1,poly2);


line(0,yc,xc*2,yc);
line(xc,0,xc,yc*2);


printf("\n Reflection about : \n 1. x axis\n 2. y axis\n 3. origin\n enter choice : ");
scanf("%d",&x);

j=0;
for(i=0;i<p;i++)
{
 a[i][0]=poly[j];
 a[i][1]=poly[++j];
 a[i][2]=1;
 ++j;
}

if(x==1)
{
    for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
       b[i][j]=0;
       if(i==j)
       {
       b[i][j]=1;
       }
     }
    }
    b[1][1]=-1;

}
else if(x==2)
{
    for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
       b[i][j]=0;
       if(i==j)
       {
       b[i][j]=1;
       }
     }
    }
    b[0][0]=-1;

}
else if(x==3)
{
    for(i=0;i<3;i++)
    {
     for(j=0;j<3;j++)
     {
       b[i][j]=0;
       if(i==j)
       {
       b[i][j]=-1;
       }
     }
    }

    b[2][2]=1;

}

for(i=0;i<p;i++)
{

   for(j=0;j<3;j++)
   {
   c[i][j]=0;
     for(k=0;k<3;k++)
     {
c[i][j]=c[i][j]+a[i][k]*b[k][j];
     }
   }

 }
printf("\n\n\n\n\n\t Reflection : ");


for(i=0,j=0;i<p;i++,j+=2)
{
poly[j]  =xc+c[i][0];
poly[j+1]=yc-c[i][1];
}
poly[j]  =poly[0];
poly[j+1]=poly[1];

setfillstyle(9,2);
fillpoly(p+1,poly);

getch();
closegraph();
}