Tic Tac Toe Game Designed in Graphics

Code of Tic Tac Toe Game in Graphics in OpenGL

#include<GL/gl.h>

#include<GL/glut.h>

void display()

{

glClear(GL_COLOR_BUFFER_BIT);

glClearColor(0.0,1.0,0.0,0.0);

glLineWidth(10.0);

glBegin(GL_LINES);

glColor3f(1.0,1.0,0.0);

glVertex2f(-0.70,0.2);

glVertex2f(0.70,0.2);

glVertex2f(-0.70,-0.30);

glVertex2f(0.70,-0.30);

glEnd();

glBegin(GL_LINES);

glColor3f(1.0,1.0,0.0);

glVertex2f(0.30,-0.70);

glVertex2f(0.30,0.70);

glVertex2f(-0.20,-0.70);

glVertex2f(-0.20,0.70);

glEnd();

int num_segments=150;

int i;

  

float cx=-0.45,cy=0.40, r=0.15;

  

  glColor3f(1.0,0.0,1.0);

  

  glBegin(GL_LINE_LOOP);

  

for(i=0;i<num_segments;i++)

{

       float theta;

theta=(2.0*3.1415962*(i))/(num_segments);

float x=r*cosf(theta);

float y=r*sinf(theta);

glVertex2f(x+cx,y+cy);

}

glEnd();

  

//glLineWidth(15.0);

glBegin(GL_LINES);

glColor3f(0.0,0.0,0.0);

glVertex2f(-0.10,0.60);

glVertex2f(0.20,0.30);

glVertex2f(0.20,0.60);

glVertex2f(-0.10,0.30);

glEnd();

glBegin(GL_LINES);

glColor3f(0.0,0.0,0.0);

glVertex2f(0.40,0.60);

glVertex2f(0.65,0.30);

glVertex2f(0.65,0.60);

glVertex2f(0.40,0.30);

glEnd();

glBegin(GL_LINES);

glColor3f(0.0,0.0,0.0);

glVertex2f(-0.60,-0.20);

glVertex2f(-0.30,0.10);

glVertex2f(-0.30,-0.20);

glVertex2f(-0.60,0.10);

glEnd();

glBegin(GL_LINES);

glColor3f(0.0,0.0,0.0);

glVertex2f(-0.60,-0.70);

glVertex2f(-0.30,-0.40);

glVertex2f(-0.60,-0.40);

glVertex2f(-0.30,-0.70);

glEnd();

float cx1=0.05,cy1=-0.50;

  

 // glColor3f(1.0,0.0,1.0);

  

  glBegin(GL_LINE_LOOP);

for(i=0;i<num_segments;i++)

{

       float theta;

theta=(2.0*3.1415962*(i))/(num_segments);

float x=r*cosf(theta);

float y=r*sinf(theta);

glVertex2f(x+cx1,y+cy1);

}

glEnd();

  

float cx2=0.50,cy2=-0.50;// 9th Circle

  

 // glColor3f(0.0,0.0,0.0);

  glColor3f(1.0,0.0,1.0);

  glBegin(GL_LINE_LOOP);

for(i=0;i<num_segments;i++)

{

       float theta;

theta=(2.0*3.1415962*(i))/(num_segments);

float x=r*cosf(theta);

float y=r*sinf(theta);

glVertex2f(x+cx2,y+cy2);

}

glEnd();

float cx3=0.50,cy3=-0.05;

  

  glColor3f(0.0,0.0,0.0);

  

  glBegin(GL_LINE_LOOP);

for(i=0;i<num_segments;i++)

{

       float theta;

theta=(2.0*3.1415962*(i))/(num_segments);

float x=r*cosf(theta);

float y=r*sinf(theta);

glVertex2f(x+cx3,y+cy3);

}

glEnd();

float cx4=0.05,cy4=-0.05;

  //glColor3f(0.0,0.0,0.0);

  

  glColor3f(1.0,0.0,1.0);

  glBegin(GL_LINE_LOOP);

for(i=0;i<num_segments;i++)

{

       float theta;

theta=(2.0*3.1415962*(i))/(num_segments);

float x=r*cosf(theta);

float y=r*sinf(theta);

glVertex2f(x+cx4,y+cy4);

}

glEnd();

glFlush();

}

int main(int argc,char** argv)

{

glutInit(&argc,argv);

glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);

glutInitWindowSize(500,500);

glutInitWindowPosition(150,150);

glutCreateWindow("Displaying Tic Tac Toe");

glutDisplayFunc(display);

glutMainLoop();

return 0;

}