rotating 2d objects

#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
#include <GLUT/glut.h>



const int  kWindowWidth  =  1024;
const int kWindowHeight =   724;

void InitGL(GLvoid);
void DrawGLScene(void);
GLvoid ReSizeGLScene (int Width, int Height){};
GLfloat rTri = 1.0f;	//variable for rotating triangle
GLfloat rQuad;	//variable for rotating square

int main (int argc , char** argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);	//Sets up display mode
glutInitWindowSize (kWindowWidth, kWindowHeight);	//Sets window size
glutInitWindowPosition (0,0);	//Sets the position
glutCreateWindow ("GLUT OpenGL Learning");	//Creates the window
//glutCreateWindow (argv[0]);
InitGL();
glutDisplayFunc(DrawGLScene);
glutReshapeFunc(ReSizeGLScene);
                                            
glutMainLoop();	//The main loop

                                       
return 0;
}

void DrawGLScene(void)                                                 // Here's Where We Do All The Drawing
{

        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);             // Clear The Screen And The Depth Buffer
        glLoadIdentity(); 			// Reset The View 
        glTranslatef(0.0f,0.0f,0.0f);  //Sets the postion

        glRotatef(rTri,0.0f,1.0f,0.0f);	//Rotate the triangle
                                         
glBegin(GL_TRIANGLES); 	//Start drawing the triangle
                                      
                    glColor3f (0.0, 0.0, 4.0);	//Set the color
                glVertex3f( 0.0f, 0.5f, 0.0f);                          // Top
                    glColor3f (1.0, 0.0, 0.0);	//Set the color
                glVertex3f(-0.5f,-0.5f, 0.0f);                          // Bottom Left
                    glColor3f (0.0, 1.0, 0.0);	//Set the color
                glVertex3f( 0.5f,-0.5f, 0.0f);                          // Bottom Right
        glEnd();                                                        // Finished Drawing The Triangle
       
       glLoadIdentity();	//Reset view
       glTranslatef(0.5f,0.0f,0.0f);                                   // Move Right 3 Units

glRotatef( rQuad, 1.0f, 0.0f, 0.0f );

        glBegin(GL_QUADS); 						// Draw A Quad
                glColor3f (1.0, 0.0, 0.0);	//Set the color                                 
                    glVertex3f(-0.1f,0.1f, 0.0f);                          // Top Left
                glColor3f (0.0, 1.0, 0.0); 	//Set the color 
                    glVertex3f( 0.1f, 0.1f, 0.0f);                          // Top Right
                glColor3f (3.0, 0.0, 0.0);  	//Set the color
                    glVertex3f( 0.1f,-0.1f, 0.0f);                          // Bottom Right
                glColor3f (0.0, 0.0, 4.0);  	//Set the color
                    glVertex3f(-0.1f,-0.1f, 0.0f);                          // Bottom Left
        glEnd();                                                        // Done Drawing The Quad
      rTri+= 0.2f;	//Increase the variable for rotating
      rQuad-= 0.15f;
                                                                                                   
      glFlush ();	//Clear the buffer
      
      
}

void InitGL(GLvoid)
{ 
glClearColor (0.0, 3.0, 0.0, 0.0);	//Clear screen Green
glShadeModel (GL_SMOOTH);	//Set the shader to allow smooth colour blending
glClearDepth( 1.0f );                     // Depth buffer setup
glEnable( GL_DEPTH_TEST );                // Enable depth testing
glDepthFunc( GL_LEQUAL );                 // Type of depth test to do
   // Really nice perspective calculations
glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST );

}