Sem 4: CG Practical

8/2/2019 Sem 4: CG Practical

1/57

COMPUTER

GRAPHICS

LAB

NEIL MATHEW 4CS4 Y3305 - A2324710002


2/57

NEIL MATHEW 4CS4 Y3305 - A2324710002

CONTENTS:

Sno: Program Sign1 WA P u s i n g 1 0 g r a p h i c s f u n c t i o n s .2 WA P t o d r a w l i n e u s i n g DDA A l g o r i t h m

3 WA P t o d r a w s c e n e r y u s i n g 2 0 g r a p h i cf u n c t i o n s .4 WA P t o d r a w a l i n e u s i n g B r e s e n h a m' s A l g o5 WA P t o d r a w a c i r c l e u s i n g Br e s e n h a m' s A l g o6 WA P t o d r a w a c i r c l e u s i n g Mi d - P o i n t A l g o7 WA P t o d r a w a n e l l i p s e u s i n g Mi d - P o i n t A l g o8 WA P t o p e r f o r m L i n e Cl i p p i n g9 WA P t o p e r f o r m s c a l i n g o f a t r i a n g l e .

10 WA P t o p e r f o r m t r a n s l a t i o n11 WA P t o p e r f o r m S c a l i n g w. r . t a Po i n t .12 WA P t o p e r f o r m r o t a t i o n w. r . t t o a p o i n t .13 WA P t o p e r f o r m r e f l e c t i o n w. r . t t o a l i n e14 P r o j e c t


3/57

Q1: Wap using 10 graphics functions.

/*Functions Used:

1 getmaxx()

2 getmaxy()

3 Line()

4 Rectangle()

5 Drawpoly()

6 Circle()

7 Arc()

8 Pieslice()

9 Setcolor()

10 Setbkcolor()

11 Setfillstyle()

*/

#include

#include

#include

int main()

{

int gdriver = DETECT, gmode;

initgraph(&gdriver, &gmode, "C:/TC/BGI/");

setbkcolor(0);

setcolor(8);

//Asteroid Backgroumd

int i,j;

for(i=0; i


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setcolor(15);

//Polygons : Triangles

int points_up[]={getmaxx()*0.90, getmaxy()*0.85-60,

getmaxx()*0.90-20,getmaxy()*0.85-30,

getmaxx()*0.90+20, getmaxy()*0.85-30,

getmaxx()*0.90, getmaxy()*0.85-60

};

int points_down[]={getmaxx()*0.90, getmaxy()*0.85+60,

getmaxx()*0.90-20,getmaxy()*0.85+30,

getmaxx()*0.90+20, getmaxy()*0.85+30,

getmaxx()*0.90, getmaxy()*0.85+60

};

int points_left[]={getmaxx()*0.90-20-10, getmaxy()*0.85+20,

getmaxx()*0.90-20-10,getmaxy()*0.85-20,

getmaxx()*0.90-20-40, getmaxy()*0.85,

getmaxx()*0.90-20-10, getmaxy()*0.85+20

};

int points_right[]={getmaxx()*0.90+20+10, getmaxy()*0.85+20,

getmaxx()*0.90+20+10,getmaxy()*0.85-20,

getmaxx()*0.90+20+40, getmaxy()*0.85,

getmaxx()*0.90+20+10, getmaxy()*0.85+20

};

drawpoly(4,points_up);

drawpoly(4,points_down);

drawpoly(4,points_left);

drawpoly(4,points_right);

//Square

rectangle(getmaxx()*0.90-20, getmaxy()*0.85-20, getmaxx()*0.90+20,

getmaxy()*0.85+20);


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setfillstyle(SOLID_FILL ,6);

setcolor(0);

//Pieslices (Pacmans)

pieslice(getmaxx()*0.25,getmaxy()*0.25, 30, 360-30, 30);

pieslice(getmaxx()*0.09,getmaxy()*0.85, 30, 360-30, 30);

pieslice(getmaxx()-10,getmaxy()*0.35, 30, 360-30, 30);

pieslice(getmaxx()*0.5-20,getmaxy()*0.5+35, 30, 360-30, 30);

setcolor(2);

//Borderline Rectangle

rectangle(0,0,getmaxx(),getmaxy());

//Outer Horizontal Lines

line(0, getmaxy()*0.5,getmaxx()*0.5-40, getmaxy()*0.5);

line(getmaxx()*0.5+40, getmaxy()*0.5, getmaxx(), getmaxy()*0.5 );

//Outer Vertical Lines

line(getmaxx()*0.5,0,getmaxx()*0.5, getmaxy()*0.5-40);

line(getmaxx()*0.5, getmaxy()*0.5+40,getmaxx()*0.5,getmaxy());

//Arcs

arc(getmaxx()*0.5,getmaxy()*0.5, 180-30, 180+30, 40);




setcolor(4);

//Innermost Circle

circle(getmaxx()*0.5,getmaxy()*0.5,20);


//Inner Plus

line(getmaxx()*0.5-20, getmaxy()*0.5,getmaxx()*0.5+20, getmaxy()*0.5);

line(getmaxx()*0.5, getmaxy()*0.5-20,getmaxx()*0.5, getmaxy()*0.5+20);

getch();

closegraph();

return 1;

}


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PROGRAM1


7/57

Q2:WaptodrawalineusingDDAAlgorithm./* Functions used:

1 putpixel()

2 outtextxy()3 setbkcolor()

*/

#include //for cout,cin

#include //for putpixel()

#include //for round()

#include //for getch(),clrscr()

void LINE(int x1,int y1,int x2,int y2)

{

int dx,dy;

float step;

float xincrement,yincrement;

float x,y;

dx=x2-x1;

dy=y2-y1;

if( abs(dx) > abs(dy) )

step=abs(dx);

else

step=abs(dy);

xincrement=dx/step;

yincrement=dy/step;


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x=x1; y=y1;

putpixel(x,y,15);

outtextxy(x-15,y-15,"START");

for(int i=1; i>y1;

coutx2>>y2;

cout


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ROGRA

M2


10/57

Q3:Waptodrawasceneryusing20graphicsfunctions./* Functions Used:

01 getmaxx()

02 getmaxy()

03 outtextxy()

04 setbkcolor()

05 setcolor()

06 settextstyle()

07 setlinestyle()

08 setfillstyle()

09 floodfill()

10 putpixel

11 line

12 rectangle

13 bar

14 circle

15 sector

16 arc

17 pieslice

18 ellipse

19 fillellipse

20 fillpoly

*/

#include

#include

void main()

{

int gdriver=DETECT,gmode;

initgraph(&gdriver, &gmode, "C:/TC/BGI");

setbkcolor(WHITE);

setcolor(WHITE);

//LINE BTW SKY AND GRASS

line(0,getmaxy()*0.75, getmaxx(),getmaxy()*0.75);

//GRASS

setfillstyle(SOLID_FILL,GREEN);

floodfill(getmaxx(),getmaxy(),WHITE);


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//SKY

setfillstyle(SOLID_FILL,LIGHTCYAN);

floodfill(0,0,WHITE);

//SUN

setcolor(RED);

setfillstyle(SOLID_FILL,YELLOW);


floodfill(getmaxx()*0.90,getmaxy()*0.15,RED);

//RAINBOW

for(int i=1, j=0; i


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//TEXT

setcolor(DARKGRAY);

settextstyle(9,HORIZ_DIR,3);

outtextxy(getmaxx()*0.75-30, getmaxy()*0.75+20, "Paradise?");

//POND

setfillstyle(SOLID_FILL,BLUE);

pieslice(getmaxx()*0.10,getmaxy()*0.75+1,180,360,getmaxx()*0.10);

//POND > LEAF

setfillstyle(SLASH_FILL,GREEN);

fillellipse(getmaxx()*0.11,getmaxy()*0.75+35,10,5);

//HOUSE > WALL

setcolor(WHITE);

setfillstyle(SOLID_FILL,BROWN);bar(getmaxx()*0.5-50, getmaxy()*0.75-1,getmaxx()*0.5+50,

getmaxy()*0.75-100);

//HOUSE > DOOR

rectangle(getmaxx()*0.5-15, getmaxy()*0.75-1,getmaxx()*0.5+15,

getmaxy()*0.75-50);

putpixel(getmaxx()*0.5+10,getmaxy()*0.75-25,15);

//HOUSE > ROOF

int points[]={ getmaxx()*0.5+50, getmaxy()*0.75-100,

getmaxx()*0.5, getmaxy()*0.75-150,

getmaxx()*0.5-50, getmaxy()*0.75-100,

getmaxx()*0.5+50, getmaxy()*0.75-100

};

fillpoly(4,points);

//HOUSE > ROOF > WINDOW

setcolor(WHITE);

ellipse(getmaxx()*0.5, getmaxy()*0.75-120,0,360, 7,5);

getch();

closegraph();

}


13/57

ROGRA

SCENER

M 3

Y


14/57

Q4:WAPtodrawalineusingBresenham'sAlgorithm

#include

#include#include

#include

void LINE(int x1, int y1, int x2, int y2)

{

int x=x1;

int y=y1;

int dx=abs(x2-x1);

int dy=abs(y2-y1);

int Sx=abs(x2-x1)/(x2-x1); //Sign

int Sy=abs(y2-y1)/(x2-x1);

int steps,flag;

//Determining Greater length

if(dy > dx)

{

steps=dy;

flag=1;

//Swapping dx dy

int t=dx;

dx=dy;

dy=t;

}

else

{

steps=dx;

flag=0;

}

//Decision variable

int P=2*dy-dx;

//First Pixel

putpixel(x,y,WHITE);


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//Other Pixels:

for(int i=1; i 0 )

{

if(flag==1)

x=x+Sx;

else

y=y+Sy;

P=P-2*dx;

} //END OF WHILE

if(flag==1)

y=y+Sy;

else

x=x+Sx;

P=P+2*dy;

putpixel(x,y,WHITE);

} //END OF FOR

}

void main()

{

int gdriver=DETECT, gmode;


int x1,x2,y1,y2;

setbkcolor(DARKGRAY);setcolor(WHITE);

coutx1>>y1;

coutx2>>y2;

cout


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PROGR

M4


17/57

Q5:WAPtodrawacircleusingBresenhamsAlgorithm.#include

#include

#include

#include

void otherSpoints(int x, int y,int xc,int yc)

{

putpixel(-x+xc,y+yc,WHITE);

putpixel(x+xc,-y+yc,WHITE);

putpixel(-x+xc,-y+yc,WHITE);

putpixel(y+xc,x+yc,WHITE);

putpixel(-y+xc,x+yc,WHITE);

putpixel(y+xc,-x+yc,WHITE);

putpixel(-y+xc,-x+yc,WHITE);

}

void CIRCLE(int r)

{

int x,y;int xc=getmaxx()/2;

int yc=getmaxy()/2;

// Plotting the First Point

x=0;

y=r;

putpixel(xc+x,yc+y,WHITE);

// Other Symmetry points:

otherSpoints(x,y,xc,yc);

//Initializing Decision Variable

int d=3-2*r;

//Plotting Other Points of Circle

while(x


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void main()

{

int gdriver=DETECT, gmode;


setbkcolor(DARKGRAY);setcolor(WHITE);

int r;

coutr;

cout


19/57

PROGRAM5


20/57

Q6: WAP to draw a circle using Mid-Point Algorithm.

#include

#include

#include

void DrawPoints(int x, int y, int xc, int yc)

{

putpixel(xc+x,yc+y, CYAN);

putpixel(xc-x,yc+y, CYAN);

putpixel(xc+x,yc-y, CYAN);

putpixel(xc-x,yc-y, CYAN);

putpixel(xc+y,yc+x, CYAN);

putpixel(xc+y,yc-x, CYAN);

putpixel(xc-y,yc+x, CYAN);

putpixel(xc-y,yc-x, CYAN);

}

void MidPontCircle(int xc, int yc, int r)

{

int x=0;

int y=r;

DrawPoints(x,y,xc,yc);

int P= (int) 5.0/4.0 - r;

while(x < y)

{

if(P < 0)

{

P=P+2*x+3;

DrawPoints(++x, y, xc, yc);

}

else

{

P=P+2*(x-y)+5;

DrawPoints(++x,--y, xc, yc);

}

} }

void main()

{


initgraph(&gdriver,&gmode,"C:\\TC\\BGI");

int r;

int xc=getmaxx()/2;

int yc=getmaxy()/2;

coutr;

MidPontCircle(xc,yc,r);

getch();

closegraph();

}


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PROGRAM 6


22/57

Q7: WAP to draw an elipse using Mid-Point Algorithm.

#include

#include#include

void DrawPoints(int x, int y, int xc, int yc)

{

putpixel(xc+x,yc+y, CYAN);

putpixel(xc-x,yc+y, CYAN);

putpixel(xc+x,yc-y, CYAN);

putpixel(xc-x,yc-y, CYAN);

}

void Eclipse(int xc, int yc, float a, float b)

{int x=0;

int y=b;

DrawPoints(x,y,xc,yc);

float P= b*b - a*a*b + 0.25*a*a;

while( 2*b*b*x = 0 ) //x!=a || y!=0 );

{ if(P2 < 0)

{

DrawPoints(++x,--y, xc, yc);

P2=P2+ 2*b*b*x - 2*a*a*y + a*a;

}

else

{

DrawPoints(x,--y, xc, yc);

P2=P2 - 2*a*a*y + a*a;

}

}

}


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void main()

{


initgraph(&gdriver,&gmode,"C:\\TC\\BGI");

float a,b;

int xc=getmaxx()/2;

int yc=getmaxy()/2;

couta>>b;

Eclipse(xc,yc,a,b);

getch();

closegraph();

}


24/57

PROGRAM 7


25/57

Q8: WAP to perform line clipping.

#include

#include

#include

int n; //No of Lines

int ClipWindow[2][2]; //Clipping Window Coordinates

/* For 2 vertices A and C, each having x and y coordinates*/

int Line[20][4]; //Line Coordinates

/* The 20 represents total number of lines possible

and the 4 represents the 4 coordinates required to draw ONE line */

void Draw()

{

clrscr();



setbkcolor(BLACK);

setcolor(WHITE);

for(int i=0; iClipWindow[1][0];

cin>>ClipWindow[1][1];

}


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long CheckBit(long x,long y)

{

long b=5; /* The 5 here is any random non zero number.

This ensures 0000 doesn't become 0 */

int Xmax= ClipWindow[0][0] > ClipWindow[1][0] ? ClipWindow[0][0] :

ClipWindow[1][0];

int Xmin= ClipWindow[0][0] < ClipWindow[1][0] ? ClipWindow[0][0] :ClipWindow[1][0];

int Ymax= ClipWindow[0][1] > ClipWindow[1][1] ? ClipWindow[0][1] :

ClipWindow[1][1];

int Ymin= ClipWindow[0][1] < ClipWindow[1][1] ? ClipWindow[0][1] :

ClipWindow[1][1];

//Case 4:

if(x < Xmin)

b=b*10 + 1;

else

b=b*10 + 0;

//Case 3:if(x > Xmax)

b=b*10 + 1;

else

b=b*10 + 0;

//Case 2:

if(y < Ymin)

b=b*10 + 1;

else

b=b*10 + 0;

//Case 1:

if(y > Ymax)

b=b*10 + 1;

else

b=b*10 + 0;

return b;

}

long AND(long a, long b)

{

//Using manipulated Palindrome Algo

long c;

int digitA;

int digitB;

int digitC[4];

for(int i=3; i>=0; i--)

{

digitA=a%10;

digitB=b%10;

if( digitA==1 && digitB==1)

digitC[i]=1;

else

digitC[i]=0;

a/=10;

b/=10;}


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c=5;

for(i=0; i ClipWindow[1][0] ? ClipWindow[0][0] :

ClipWindow[1][0];

int Xmin= ClipWindow[0][0] < ClipWindow[1][0] ? ClipWindow[0][0] :

ClipWindow[1][0];

int Ymax= ClipWindow[0][1] > ClipWindow[1][1] ? ClipWindow[0][1] :

ClipWindow[1][1];

int Ymin= ClipWindow[0][1] < ClipWindow[1][1] ? ClipWindow[0][1] :

ClipWindow[1][1];

long b1, b2, b1ANDb2;

int i,j,k;int digit_b1, digit_b2;

double Slope;

for(i=0; i


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//Partially Inside Cases

else if( b1!=50000 || b2!=50000 )

{

if( (Line[i][2] - Line[i][0]) == 0)

Slope= 1.0;else

Slope= (double) ((Line[i][3]-Line[i][1])/(Line[i][2]-Line[i][0]));

for(j=1; j


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case 4:

if(digit_b1==1)

{

Line[i][1]= Line[i][1] + ( (Xmin - Line[i][0] ) * Slope) ;

Line[i][0]=Xmin;

}else if(digit_b2==1)

{

Line[i][3]= Line[i][3] + ( (Xmin - Line[i][2] ) * Slope) ;

Line[i][2]=Xmin;

}

break;

} //End of Case

b1/=10;

b2/=10;

} //End of inner For Loop

b1=CheckBit(Line[i][0],Line[i][1]);

b2=CheckBit(Line[i][2],Line[i][3]);

b1ANDb2=AND(b1,b2);

if( b1!=50000 || b2!=50000 )

{ i--; continue; }

} //End of Inner If-Else-if

} //End of Outer If-Else-if

} //End of Outer For Loop

}

void main()

{

clrscr();

UnClipped_Input();

Draw();

Clip();

Draw();

}


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PROGRAM 8


31/57

Q9: WAP to perform scaling of a Triangle.

#include

#include

#include

int n=4; //Variables for drawpoly() function

int p[8];

int d[8];

int Sx,Sy; //Scaling factors.

void Input()

{

coutSx;coutSy;

cout


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void Scale()

{

int i,j,k;

// Matrix with Triangle Coordinates

int xy1[3][3] = { p[0], p[1], 1,

p[2], p[3], 1,p[4], p[5], 1,

};

// Matrix with Scaling Factors

int SI[3][3] = { Sx, 0, 0,

0, Sy, 0,

0, 0, 1

};

// Matrix with Coordinates after Scaling.

int XY1[3][3];

//Matrix multiplication: xy1 x SI = XY1for(i=0; i


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PROGRAM 9


34/57

Q10: WAP to perform translation of a Triangle.

#include

#include

#include

int n;

int P[3][10]; //3 x n MATRIX

int P2[3][10]; //3 x n MATRIX

int T[3][3]; //3 x 3 MATRIX

int tx,ty;

void INPUT()

{

cout>n;

cout


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void Display_Matrix(int p[3][10])

{

for(int i=0; i


36/57

PROGRAM 10


37/57

Q11: WAP to perform scaling of a Triangle w.r.t a point.

#include

#include

#include

int n;

int P[3][10]; int P2[3][10]; int S[3][3];

int Sx,Sy,h,k;

void INPUT()

{

int ch;

cout>n;

cout


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void ScalingPoint()

{

//Scaling Matrix:

//1st - making the identity Matrix

for(int i=0; i


39/57

PROGRAM 11


40/57

Q12: WAP to perform rotation of a Triangle

#include

#include

#include#include

int n; int h,k;

double P[3][10]; double P2[3][10]; double S[3][3]; double angle;

double deg2rad(double deg)

{

double rad= (180.0/(22.0/7.0))*deg;

return rad;

}

void INPUT()

{int ch;

cout>n;

cout


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void ROTATEpoint()

{

double x=angle;

// S[3][3] : Scaling MATRIX

// P[3][n] : 3 x n MATRIX

// P2[3][n] : Final MATRIX

//ROTATE Matrix:


for(int i=0; i


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void main()

{

INPUT();

Display_Matrix(P);

cout


43/57

(without fixed point)

(with fixed point)

PROGRAM 12


44/57

Q13: WAP to perform reflection of a Triangle about a line

#include

#include

#include#include

#include

int n;

double P[3][10];

double P2[3][10];

double S[3][3];

float m; int b;

void INPUT()

{

int ch;

cout>n;

cout>b;

}

void Display_Matrix(double p[3][10])

{

for(int i=0; i


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void ReflectPoint()

{

// S[3][3] : Reflect Transform MATRIX

// P[3][n] : 3 x n MATRIX

// P2[3][n] : Final MATRIX

//Reflect Transform Matrix:


for(int i=0; i


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void main()

{

INPUT();

Display_Matrix(P);

cout


47/57

PROGRAM 13


48/57

PROJECT:TOWNIRRIGATOR(GAME)

#include

#include

#include

#define UP 72

#define DOWN 80

#define LEFT 75

#define RIGHT 77

#define ESC 27;

///////////GLOBAL VARIABLES////////////

int c,x,y,Xmin,Xmax,Ymin,Ymax;

char ch;

int speed;

int size;

int healthX;

int FLAG_Ob;

int FLAG_ChkPnts[6];

int FLAG_ChkPntsALL;

int COUNT_ChkPnts;

void checkCheckPoint(int, int , int);

void map()

{

//CHECKPOINTS

checkCheckPoint(280,100,0);






setcolor(WHITE);

}


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///////////CHECK POINT FUNCTION////////////

void checkCheckPoint(int X, int Y, int count)

{

int flag=0,i;

if( ( x > X-5 && x < X+5 ) && ( y > Y-5 && y < Y+5 ) )

{

FLAG_ChkPnts[count] = 1;

setcolor(LIGHTGRAY);

outtextxy(410,25," TOWN IRRIGATED!");

}

if( FLAG_ChkPnts[count] == 0 )

{

setcolor(WHITE);

setfillstyle(SOLID_FILL,RED);

circle(X,Y,6);

floodfill(X,Y,WHITE);

}

else

{

setcolor(WHITE);setfillstyle(SOLID_FILL,BLUE);

circle(X,Y,6);

floodfill(X,Y,WHITE);

}

for(i=0; i


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//////////OBSTACLE FUNCTION////////////

void checkObstacle(int OXmin, int OYmin, int OXmax, int OYmax)

{

int OLDx=x;

int OLDy=y;

setcolor(WHITE);

rectangle(OXmin,OYmin,OXmax,OYmax);

OXmin-=size;

OYmin-=size;

OXmax+=size;

OYmax+=size;

if( (x>OXmin && xOYmin && y


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///////////////MAIN FUNCTION//////////////

void main()

{

int i;

char name;

int flag_CHEAT;

int OXmin,OXmax,OYmin,OYmax;

int gd=DETECT,gm;

FLAG_Ob=0;

COUNT_ChkPnts=6;

speed=9; size=5;

c=0; flag_CHEAT=0;

Xmin=30;

Xmax=490;

Ymin=50;

Ymax=430;

x=Xmin+speed;y=Ymax-speed;

for(i=0; i


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///////////////STATIC IMAGE DRAW////////////////

cleardevice();

//HEADING:

setcolor(WHITE);

outtextxy(210,15,"TOWN IRRIGATOR");

outtextxy(220,30,"Version 5.0");

//MESSAGE BOX:

setcolor(WHITE);

rectangle(400, 15, 620, 35);

//GAME BOUNDARY

setcolor(WHITE);

rectangle(Xmin-size,Ymin-size,Xmax+size,Ymax+size);

//COLORING INSIDE BOUNDARY

setfillstyle(XHATCH_FILL,GREEN);

floodfill(Xmin,Ymin,WHITE);

//NINJA HEADsetcolor(LIGHTGRAY);

circle(560,290,18);//x,y,z

ellipse(560,290,0,360,18,7);//x,y,0,360,z,z-10

//NINJA EYES

setfillstyle(SOLID_FILL, BLACK);

floodfill(548,287,LIGHTGRAY);

setcolor(DARKGRAY);

outtextxy(548,287,"V V");//NINJA FACE

//INSTRUCTIONS

setcolor(WHITE);

rectangle(500,45,630,340);outtextxy(504,50,"*INSTRUCTIONS*");

outtextxy(504,62,"===============");

outtextxy(504,80,"Use Arrow keys");

outtextxy(504,90,"to move the");

outtextxy(504,100,"object.");

outtextxy(504,120,"Avoid obstacles");

outtextxy(504,130,"Pass all the");

outtextxy(504,140,"towns &");

outtextxy(504,150,"reach the");

outtextxy(504,160,"finish.");

outtextxy(504,180,"You can hit an");

outtextxy(504,190,"obstacle 5");

outtextxy(504,200,"times.");

outtextxy(524,240,"GO AHEAD !");

rectangle(500,350,630,435);

outtextxy(520,360,"** TEAM **");

outtextxy(520,380,"Atul");

outtextxy(520,390,"Harshveer");

outtextxy(520,400,"Neil");

outtextxy(520,410,"Sidharth");


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map();

setcolor(WHITE);

checkObstacle(70,70,100,120);

setfillstyle(SOLID_FILL,LIGHTGREEN);


checkObstacle(140,200,180,Ymax); floodfill(141,201,WHITE);

checkObstacle(300,45,330,410); floodfill(301,46,WHITE);









//STARTING PUDDLE OF WATER

setcolor(CYAN);

setfillstyle(SOLID_FILL,CYAN);

bar(Xmin-size+1,Ymax+size-1, Xmin+20, Ymax-20);

//ENDING PUDDLE OF WATER

setcolor(CYAN);


bar(Xmax+size-1,Ymin-size+1, Xmax-20, Ymin+20);

///////////////DYNAMIC IMAGE DRAW////////////////

do

{

//GAME BOUNDARY (AGAIN)

setcolor(WHITE);rectangle(Xmin-size,Ymin-size,Xmax+size,Ymax+size);

ch=getch();


setcolor(CYAN);

circle(x,y,size);

floodfill(x,y,CYAN);


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switch(ch)

{

case '~':

flag_CHEAT=1;

FLAG_ChkPntsALL=1;

break;

case RIGHT:

x=x+speed;

//NINJA EYES



setcolor(DARKGRAY);


break;

case LEFT:

x=x-speed;

//NINJA EYES

setfillstyle(SOLID_FILL, BLACK);floodfill(547,287,LIGHTGRAY);

setcolor(DARKGRAY);


break;

case UP:

y=y-speed;

//NINJA EYES



setcolor(DARKGRAY);


break;

case DOWN:

y=y+speed;

//NINJA EYES



setcolor(DARKGRAY);


break;

}

if(x < Xmin )

x+=speed;

else if(x > Xmax )

x-=speed;

if(y < Ymin )

y+=speed;

else if(y > Ymax )

y-=speed;


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//CLEARING MESSAGE BOX

setcolor(WHITE);

rectangle(400, 15, 620, 35);

setfillstyle(SOLID_FILL,BLACK);


if(flag_CHEAT==1){

setcolor(RED);

outtextxy(538,25,")GOD MODE(");

}

map();

setcolor(WHITE);

if( flag_CHEAT != 1 )

{

checkObstacle(70,70,100,120);

checkObstacle(140,200,180,Ymax); //Small one above the one on the top - (3)

checkObstacle(300,45,330,410); //longest vertical rectangle - (4)

checkObstacle(200,350,280,380); //rectangle between 2 and 4 - (5)

checkObstacle(200,100,250,150); //rectangle on top left of 4 - (6)

checkObstacle(360,380,390,434); //Bottom right of the longestrectangle 4 - (7)

checkObstacle(420,350,489,380); //Corner most Bottom Right horizontal- (8)checkObstacle(380,300,420,330); //rectangle above 7 -(9)

checkObstacle(330,200,450,230); //rectangle attached to longest one right -(10)

checkObstacle(420,45,450,170); //vertical right near exit - (11)

checkObstacle(350,100,420,130); //rectangle b/w two vertical rectangles - (12)

}

setfillstyle(SOLID_FILL,YELLOW);

setcolor(YELLOW);

circle(x,y,size);

floodfill(x,y,YELLOW);

setcolor(BLUE);

outtextxy(x-3,y-3,"X");

//END CHECK:if( ( x > Xmax-20 && x < Xmax+20 ) && ( y > Ymin-20 && y < Ymin+20 ) )

{

//CLEARING MESSAGE BOX

setfillstyle(SOLID_FILL,BLACK);


if(FLAG_ChkPntsALL==1)

{

setcolor(GREEN);

outtextxy(410,25," YOU WIN !! :) ");

sleep(2);

break;

}

else {

setcolor(LIGHTGRAY);

outtextxy(410,25," TOWNS LEFT !! :S ");

} } }

while(ch!=27 && FLAG_Ob != 1);

getch();

cleardevice();

closegraph();

}


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PROJECT


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Sem 4: CG Practical

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