animated thing

/*
 Eliminarea fetelor functie de orientare
 Se va afisa fara activarea eliminarii fetelor. Cu orientarea directa
 implicita se vor schimba fetele care se elimina -cele fata sau cele spate-
 cu functia glCullFace.
 Se va activa sau se va dezactiva testul de adancime
 */
#include "glos.h"

#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glaux.h>

#include <math.h>

void myinit(void);
void CALLBACK myReshape(GLsizei w, GLsizei h);
void CALLBACK display(void);
void CALLBACK IdleFunction(void);
double x = 1;
void CALLBACK IdleFunction(void)
{
    glRotatef(1.1+sin(x), -0.3, 0.9, 0.6);
    display();
    Sleep(40);
    x += 0.2;

}


void myinit(void)
{

    glClearColor(0.0, 0.0, 0.0, 1.0);
    glShadeModel(GL_SMOOTH);
    glEnable(GL_DEPTH_TEST);

}


void CALLBACK display(void)
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glColor3f(1.0, 0.0, 0.0);
    //glEnable(GL_CULL_FACE);//activeaza eliminarea fetelor
    //glCullFace(GL_BACK);//sunt eliminate fetele spate
    //inlocuiti cu GL_FRONT pentru fete fata
    //glEnable(GL_DEPTH_TEST);
    glBegin(GL_QUAD_STRIP);
    glColor3f(1.0f, 0.0f, 1.0f);
    glVertex3f(-0.5f, 0.5f, 0.5f);

    glColor3f(1.0f, 0.0f, 0.0f);
    glVertex3f(-0.5f, -0.5f, 0.5f);

    glColor3f(1.0f, 1.0f, 1.0f);
    glVertex3f(0.5f, 0.5f, 0.5f);

    glColor3f(1.0f, 1.0f, 0.0f);
    glVertex3f(0.5f, -0.5f, 0.5f);

    glColor3f(0.0f, 1.0f, 1.0f);
    glVertex3f(0.5f, 0.5f, -0.5f);

    glColor3f(0.0f, 1.0f, 0.0f);
    glVertex3f(0.5f, -0.5f, -0.5f);

    glColor3f(0.0f, 0.0f, 1.0f);
    glVertex3f(-0.5f, 0.5f, -0.5f);

    glColor3f(0.0f, 0.0f, 0.0f);
    glVertex3f(-0.5f, -0.5f, -0.5f);

    glColor3f(1.0f, 0.0f, 1.0f);
    glVertex3f(-0.5f, 0.5f, 0.5f);

    glColor3f(1.0f, 0.0f, 0.0f);
    glVertex3f(-0.5f, -0.5f, 0.5f);

    glEnd();

    glBegin(GL_QUADS);
    glColor3f(1.0f, 0.0f, 1.0f);
    glVertex3f(-0.5f, 0.5f, 0.5f);

    glColor3f(1.0f, 1.0f, 1.0f);
    glVertex3f(0.5f, 0.5f, 0.5f);

    glColor3f(0.0f, 1.0f, 1.0f);
    glVertex3f(0.5f, 0.5f, -0.5f);

    glColor3f(0.0f, 0.0f, 1.0f);
    glVertex3f(-0.5f, 0.5f, -0.5f);
    glEnd();

    glFrontFace(GL_CCW);
    glBegin(GL_QUADS);

    glColor3f(1.0f, 0.0f, 0.0f);
    glVertex3f(-0.5f, -0.5f, 0.5f);

    glColor3f(1.0f, 1.0f, 0.0f);
    glVertex3f(0.5f, -0.5f, 0.5f);

    glColor3f(0.0f, 1.0f, 0.0f);
    glVertex3f(0.5f, -0.5f, -0.5f);

    glColor3f(0.0f, 0.0f, 0.0f);
    glVertex3f(-0.5f, -0.5f, -0.5f);
    glEnd();

    glColor3f(0.2, 0.01, 0.5);
    auxSolidSphere(0.55);

    glFlush();


}

void CALLBACK myReshape(GLsizei w, GLsizei h)
{
    if (!h) return;
    glViewport(0, 0, w, h);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(45.0, (GLfloat)w / (GLfloat)h, 3.0, 5.0);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    glTranslatef(0.0, 0.0, -4.0);  /*  aduce obiectele in volumul de vizualizare   */
}

/*  Main Loop
 */
int main(int argc, char** argv)
{
    auxInitDisplayMode(AUX_SINGLE | AUX_RGB | AUX_DEPTH);
    auxInitPosition(0, 0, 500, 400);
    auxInitWindow("CUB");
    myinit();
    auxReshapeFunc(myReshape);
    auxIdleFunc(IdleFunction);
    auxMainLoop(display);
    return(0);
}