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March 23, 2017 15:50
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| //THE FOOTBALL FIELD PROJECT | |
| //All steps involves different primitives shapes that make the whole program | |
| /*1.FIRST STEP | |
| Include all specific libraries that can be used for graphic /image outputs here use (GL/freeglut.h) also remember there some primitives use mathematics to be executed here use( math.h).consider here below we declare,*/ | |
| #include <freeglut.h> | |
| #include <math.h> | |
| /* 2.SECOD STEP | |
| Declare the void draw function that is executed every frame of the program whatever primitives written in the body of draw will be run*/ | |
| void Draw() | |
| //Now begin to write primitives properties | |
| { | |
| // The first primitive shape is the green yard | |
| glClear(GL_COLOR_BUFFER_BIT); //Call color from memory | |
| glColor3f(0.0, 1.0, 0.0);// Greencolor | |
| glBegin(GL_QUAD_STRIP); | |
| glVertex3f(0.1, 0.1, 0.0); | |
| glVertex3f(0.1, 0.9, 0.0); | |
| glVertex3f(0.9, 0.1, 0.0); //GreenYard Vertex | |
| glVertex3f(0.9, 0.9, 0.0); | |
| glEnd(); | |
| glFlush(); | |
| //The second shape is the middle line with white color | |
| glBegin(GL_LINES); | |
| glColor3f(1.0, 1.0, 1.0); | |
| glVertex3f(0.5, 0.1, 0.0); //Mid Line ( Ground Divider ) | |
| glVertex3f(0.5, 0.9, 0.0); | |
| glEnd(); | |
| glFlush(); | |
| //The code for circle at the middle line white color | |
| float x1,y1,x2,y2; | |
| float angle; | |
| double radius=0.1; | |
| x1 = 0.5,y1=0.5; | |
| glColor3f(1.0,1.0,1.0); | |
| glBegin(GL_LINE_STRIP); | |
| glVertex2f(x1,y1); | |
| for (angle=0.0f;angle<360.0f;angle+=0.1) | |
| { | |
| x2 = x1+sin(angle)*radius; | |
| y2 = y1+cos(angle)*radius; | |
| glVertex2f(x2,y2); | |
| } | |
| glEnd(); | |
| // Left side of the Ground white colored line | |
| glBegin(GL_LINES); | |
| glColor3f(1.0,1.0, 1.0); | |
| glVertex3f(0.25, 0.25, 0.0); // Goal keeper Front line | |
| glVertex3f(0.25, 0.75, 0.0); | |
| glEnd(); | |
| glFlush(); | |
| //goal keeper front circle white color | |
| float m1,n1,m2,n2; | |
| float theta; | |
| double fradius=0.05; | |
| m1 = 0.25,n1=0.5; | |
| glColor3f(1.0,1.0,1.0); | |
| glBegin(GL_LINE_STRIP); | |
| glVertex2f(m1,n1); | |
| for (theta=0.0f;theta<3.2f;theta+=0.1) | |
| { | |
| m2 = m1+sin(theta)*fradius; | |
| n2 = n1+cos(theta)*fradius; | |
| glVertex2f(m2,n2); | |
| } | |
| glEnd(); | |
| glBegin(GL_LINES); | |
| glColor3f(1.0, 1.0, 1.0); | |
| glVertex3f(0.1, 0.75, 0.0); //Goal Keeper left Line | |
| glVertex3f(0.25, 0.75, 0.0); | |
| glEnd(); | |
| glFlush(); | |
| glBegin(GL_LINES); | |
| glColor3f(1.0, 1.0, 1.0); | |
| glVertex3f(0.1, 0.25, 0.0); //Goal Keeper Right Line | |
| glVertex3f(0.25, 0.25, 0.0); | |
| glEnd(); | |
| glFlush(); | |
| glBegin(GL_QUAD_STRIP); | |
| glColor3f(1, 1, 1); | |
| glVertex3f(0.1, 0.35, 0.0); | |
| glVertex3f(0.1, 0.65, 0.0); //Inner White Quad found at left | |
| glVertex3f(0.17, 0.35, 0.0); | |
| glVertex3f(0.17, 0.65, 0.0); | |
| glEnd(); | |
| glFlush(); | |
| //point found infront of left quad | |
| glPointSize(7); | |
| glColor3f(0.0,0.0,.0); | |
| glBegin(GL_POINTS); | |
| glVertex2f(0.2,0.5); | |
| glEnd(); | |
| glutSwapBuffers(); | |
| // Right Side of the Ground white color | |
| glBegin(GL_LINES); | |
| glColor3f(1.0, 1.0, 1.0); | |
| glVertex3f(0.75, 0.25, 0.0); //Goal Keeper front line | |
| glVertex3f(0.75, 0.75, 0.0); | |
| glEnd(); | |
| glFlush(); | |
| //goal keeper front circle | |
| float p1,q1,p2,q2; | |
| float a; | |
| double frradius=0.05; | |
| p1 = 0.75,q1=0.5; | |
| glColor3f(1.0,1.0,1.0); | |
| glBegin(GL_LINE_STRIP); | |
| glVertex2f(p1,q1); | |
| for(a=0.0f ; a<3.2f ; a+=0.1) | |
| { | |
| p2 = p1+-sin(a)*frradius; | |
| q2 = q1+cos(a)*frradius; | |
| glVertex2f(p2,q2); | |
| } | |
| glEnd(); | |
| glBegin(GL_LINES); | |
| glColor3f(1.0, 1.0, 1.0); | |
| glVertex3f(0.75, 0.25, 0.0); //Goal Keeper Left Line | |
| glVertex3f(0.9, 0.25, 0.0); | |
| glEnd(); | |
| glFlush(); | |
| glBegin(GL_LINES); | |
| glColor3f(1.0, 1.0, 1.0); | |
| glVertex3f(0.75, 0.75, 0.0); //Goal Keeper ki Right wali line | |
| glVertex3f(0.9, 0.75, 0.0); | |
| glEnd(); | |
| glFlush(); | |
| //point infront of the right side quad | |
| glPointSize(7); | |
| glColor3f(0.0,0.0,0.0); | |
| glBegin(GL_POINTS); | |
| glVertex2f(0.8,0.5); | |
| glEnd(); | |
| glutSwapBuffers(); | |
| glBegin(GL_QUAD_STRIP); | |
| glColor3f(1, 1, 1); | |
| glVertex3f(0.9, 0.35, 0.0); | |
| glVertex3f(0.9, 0.65, 0.0); | |
| glVertex3f(0.83, 0.35, 0.0); //Inner White Quad found at right side | |
| glVertex3f(0.83, 0.65, 0.0); | |
| glEnd(); | |
| glFlush(); | |
| } | |
| //In this part we declare the background color as black coffee | |
| void Initialize() | |
| { | |
| glClearColor(0.30, 0.40, 0.12, 0.20); | |
| glMatrixMode(GL_PROJECTION); | |
| glLoadIdentity(); | |
| glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0); | |
| } | |
| //This part represent the main function | |
| int main(int iArgc, char** cppArgv) | |
| {//Initialize the the GLUT Library and negotiating a session with window system during this process | |
| glutInit(&iArgc, cppArgv); | |
| //Set initialize display mode | |
| glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); | |
| //The size of the window | |
| glutInitWindowSize(700,600); | |
| //the position of the window | |
| glutInitWindowPosition(300, 100); | |
| //this show the name of the program on the displayed window | |
| glutCreateWindow("Football Field"); | |
| Initialize(); | |
| // | |
| glutDisplayFunc(Draw); | |
| glutMainLoop(); | |
| return 0; | |
| } |
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