#include <stdio.h>
#include <stdio.h>
#include <math.h>
#include <windows.h>
#include <GL/gl.h>
#include <GL/glut.h>

//#ifdef WIN32
// #define GLUTCALLBACK /**/
//#endif


   /*================================================*/
   

GLfloat eckpunkte[8][3]= {
	{0,0,1},
	{1,0,1},
	{1,0,0},
	{0,0,0},
	{0,1,1},
	{1,1,1},
	{1,1,0},
	{0,1,0},


}; //eckpunkte in einem 2 dimensionalen Feld

GLfloat mat_diffuse[] ={1,0,0};
GLfloat mat_specular[]={0,1,1,1};
GLfloat mat_shininess[]={50};
GLfloat mat_back_diffuse[]={0,1,1};

GLfloat light_position[]={3,4,20,0};
GLfloat light_diffuse[]={1,0,1,1};
GLfloat light_specular[]={1,1,1,1};
GLfloat light_ambient[]={0,0,0.5,1};



GLuint WUERFEL=1;
GLuint KUGEL=3;
static void GLUTCALLBACK myinit(void)
{   
GLUquadricObj *kugel;
	kugel=gluNewQuadric();
	
    /* Initializations */


glLightfv(GL_LIGHT1,GL_POSITION,light_position);
glLightfv(GL_LIGHT1,GL_DIFFUSE,light_diffuse);
glLightfv(GL_LIGHT1,GL_SPECULAR,light_specular);
glLightfv(GL_LIGHT1,GL_AMBIENT,light_ambient);
    glClearColor (0.0, 0.0, 0.0, 0.0);
	glNewList(KUGEL,GL_COMPILE);
		glBegin(GL_LINE);

		gluQuadricDrawStyle(kugel,GLU_FILL);
		glMaterialfv(GL_FRONT,GL_DIFFUSE,mat_diffuse);
		glMaterialfv(GL_FRONT,GL_SPECULAR,mat_specular);
		glMaterialfv(GL_FRONT,GL_SHININESS,mat_shininess);
		glMaterialfv(GL_BACK,GL_DIFFUSE,mat_back_diffuse);
		gluSphere(kugel,0.8,16,16);
		gluDeleteQuadric(kugel);
		glEnd();

	glEndList();

	glNewList(WUERFEL,GL_COMPILE);
		glBegin(GL_QUADS);
			glColor3f(1,0,0);
			glVertex3fv(eckpunkte[2]);
			glColor3f(0,0,0);
			glVertex3fv(eckpunkte[3]);
			glColor3f(0,0,1);
			glVertex3fv(eckpunkte[0]);
			glColor3f(1,0,1);
			glVertex3fv(eckpunkte[1]);
		glEnd();

		glBegin(GL_QUADS);
			glColor3f(1,1,1);
			glVertex3fv(eckpunkte[5]);
			glColor3f(0,1,1);
			glVertex3fv(eckpunkte[4]);
			glColor3f(0,0,1);
			glVertex3fv(eckpunkte[0]);
			glColor3f(1,0,1);
			glVertex3fv(eckpunkte[1]);
		glEnd();

		glBegin(GL_QUADS);
			glColor3f(1,1,0);
			glVertex3fv(eckpunkte[6]);
			glColor3f(0,1,0);
			glVertex3fv(eckpunkte[7]);
			glColor3f(0,1,1);
			glVertex3fv(eckpunkte[4]);
			glColor3f(1,1,1);
			glVertex3fv(eckpunkte[5]);
		glEnd();


		glBegin(GL_QUADS);
			glColor3f(1,1,0);
			glVertex3fv(eckpunkte[6]);
			glColor3f(1,1,1);
			glVertex3fv(eckpunkte[5]);
			glColor3f(1,0,1);
			glVertex3fv(eckpunkte[1]);
			glColor3f(1,0,0);
			glVertex3fv(eckpunkte[2]);
		glEnd();

		glBegin(GL_QUADS);
			glColor3f(1,1,0);
			glVertex3fv(eckpunkte[6]);
			glColor3f(0,1,0);
			glVertex3fv(eckpunkte[7]);
			glColor3f(0,0,0);
			glVertex3fv(eckpunkte[3]);
			glColor3f(1,0,0);
			glVertex3fv(eckpunkte[2]);
		glEnd();

		glBegin(GL_QUADS);
			glColor3f(0,1,0);
			glVertex3fv(eckpunkte[7]);
			glColor3f(0,1,1);
			glVertex3fv(eckpunkte[4]);
			glColor3f(0,0,1);
			glVertex3fv(eckpunkte[0]);
			glColor3f(0,0,0);
			glVertex3fv(eckpunkte[3]);
		glEnd();



	glEndList();
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT1);
}


static void GLUTCALLBACK RenderScene(void){
    /* Creating the Scene */

glClear(GL_COLOR_BUFFER_BIT);
glClear(GL_DEPTH_BUFFER_BIT);
glEnable(GL_DEPTH_TEST);	



glMatrixMode(GL_PROJECTION);
glPushMatrix();
	glTranslatef(-1.0,-0.5,2.0);
	glCallList(KUGEL);
glPopMatrix();

glCallList(WUERFEL);


//glutSwapBuffers();
glFlush ();		  /* Flushes OpenGL command queues and buffers */
}




static void GLUTCALLBACK myReshape(int w, int h)
{
    /* Callback function to handle window dimensions and size changes */

    glViewport(0, 0, w, h);
    glMatrixMode(GL_PROJECTION);	/* specifies the current matrix */
    glLoadIdentity();			/* Sets the currant matrix to identity */
	gluPerspective(45,1,0.1,20);
	gluLookAt(0, 2, 10, 0.5,0.5, -0.5, 0, 1, 0);




}

/*  Main Loop */

void main(int argc, char** argv)
{
    /* GLUT functions to set up the window */
    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB );
    glutInitWindowPosition (0, 0);
	glutInitWindowSize(500, 500);
	glutInit(&argc, argv);
    glutCreateWindow ("Color Cube....");
    myinit();			/* Initialization */

    glutReshapeFunc(myReshape); /* Function to call when window changes size */
    glutDisplayFunc(RenderScene); /* Creating the Szene */
    glutMainLoop();	
}