stardrow

/*
Shamsuddin Ahmed
161-15-1027

Draw Star using lines
*/


#include<windows.h>
#include <GL/glut.h>

void init(void)
{
    glClearColor(1.0, 1.0, 1.0, 0.0);   // Set display window colour to white

    glMatrixMode(GL_PROJECTION);        // Set projection parameters
    gluOrtho2D(0.0, 400.0, 0.0, 400.0);
}

void drawShapes(void)
{
    glClear(GL_COLOR_BUFFER_BIT);   // Clear display window

    //Set colour to black
    glColor3f(0.0, 0.0, 0.0);
    //Adjust the point size
    glPointSize(5.0);

    //Set colour to red
    glColor3f(1.0, 0.0, 0.0);

    // Draw an outlined triangle
    glBegin(GL_LINES);


        //Rectangle Using Line
        glVertex2i(150, 150); //A
        glVertex2i(250, 150); //B

        glVertex2i(250, 150);
        glVertex2i(250,250); //C


        glVertex2i(150, 250);
        glVertex2i(150, 150);

        glVertex2i(250,250);
        glVertex2i(150, 250); //D
        //Rectangle End

        //Start First Triangle Using Line

        glVertex2i(250,250);      //C
        glVertex2i(200, 350);    //E

        glVertex2i(200, 350);  //E
        glVertex2i(150, 250); //D

        //End First Triangle Using Line




        //Start 2nd Triangle Using Line

        glVertex2i(150, 150); //A
        glVertex2i(200, 50); //G

        glVertex2i(200, 50); //G
        glVertex2i(250, 150); //B

        //End 2nd Triangle Using Line


        //Start 3rd Triangle Using Line

        glVertex2i(250, 150); //B
        glVertex2i(350, 200); //F

        glVertex2i(250,250); //C
        glVertex2i(350, 200); //F

        //End 3rd Triangle Using Line


        //Start 4th Triangle Using Line

        glVertex2i(150, 250); //D
        glVertex2i(50, 200); //H

        glVertex2i(50, 200); //H
        glVertex2i(150, 150); //A

        //End 4th Triangle Using Line

    glEnd();

    glFlush();  // Process all OpenGL routines
}

int main(int argc, char* argv[])
{
    glutInit(&argc, argv);                      // Initalise GLUT
    glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);  // Set display mode

    glutInitWindowPosition(50, 100);                // Set window position
    glutInitWindowSize(400, 300);                   // Set window size
    glutCreateWindow("An Example OpenGL Program");  // Create display window

    init();                         // Execute initialisation procedure
    glutDisplayFunc(drawShapes);        // Send graphics to display window
    glutMainLoop();                 // Display everything and wait

    return 0;
}