نورپردازی 3بعدی

با سلام
کد و شکلی که ضمیمه میکنم سعی کردم در opengl پیاده سازی کنم تا حدودی این کار را انجام دادم تنها مشکل موجوداینه که در زاویه 3 بعدی با نورپردازی مثل شکل به صورت ثابت نگه داشته بشه،در صورت ممکن از دوستان خواهشاً حداقل تو این مشکل منو کمک کنن ممنون میشم.

با تشکرضمیمه 122855

#include <windows.h>

#pragma comment( linker, "/entry:\"mainCRTStartup\"" )

#include <GL/glu.h>

#include <GL/gl.h>

#include <GL/glut.h>

#include <GL/glaux.h>

#include <GL/glext.h>

#include <math.h>

#include <cmath>

# include <iostream>

using namespace std;



//angle of rotation

GLfloat angle = 70000.0;



//diffuse light color variables

GLfloat dlr = 1.0;

GLfloat dlg = 1.0;

GLfloat dlb = 1.0;



//ambient light color variables

GLfloat alr = 2.0;

GLfloat alg = 1.0;

GLfloat alb = 1.0;



//light position variables

GLfloat lx = 0.0;

GLfloat ly = 0.0;

GLfloat lz = 1.0;

GLfloat lw = 0.0;



//draw the Plot

void Plot (void) {

    

     double x=0.65554433;

     double y=0.78877776;

    double z=0.32122333;



    glRotatef(angle, x, 0.0, 0.0); //rotate on the x axis

    glRotatef(angle, 0.0, y, 0.0); //rotate on the y axis

    glRotatef(angle, 0.0, 0.0, z); //rotate on the z axis



     int BNo=5;

    double rx[5]={0,0,1,1,0.5};

    double ry[5]={0,1,0,1,0.5};

    double rz[5]={0,0,0,0,1};



    int r;

    double xx,yy,zz;

    for(int i=0;i<100000;i++)

    {

    glColor3f(1,0,0);

    glEnable(GL_POINT_SMOOTH);

    glPointSize(4.0);

    glBegin(GL_POINTS);





    if(i % 3 ==0)

        r=(((long long) ceil( x* pow(10,15.0))) % BNo);   

    else if(i % 3 ==1)

        r=(((long long) ceil( y* pow(10,15.0))) % BNo);

    else

        r=(((long long) ceil( z* pow(10,15.0))) % BNo);



    



    x=x+0.55*(rx[r]-x);

    y=y+0.55*(ry[r]-y);

    z=z+0.55*(rz[r]-z);



    xx=-1+2*x;

    yy=-1+2*y;

    zz=-1+2*z;



    glVertex3f(xx,yy,zz);

    }

    glEnd();

    glutSwapBuffers();

}



void init (void) {

    glEnable (GL_DEPTH_TEST); //enable the depth testing

    glEnable (GL_LIGHTING); //enable the lighting

    glEnable (GL_LIGHT0); //enable LIGHT0, our Diffuse Light

    glEnable (GL_LIGHT1); //enable LIGHT1, our Ambient Light

    glShadeModel (GL_SMOOTH); //set the shader to smooth shader

    glEnable(GL_COLOR_MATERIAL);  // uses glColor to set the color       





}



void initGL() {

   glClearColor(1.0f, 1.0f, 1.0f, 0.0f); // Set background color to black and opaque

   glClearDepth(6.0f);                   // Set background depth to farthest

   glEnable(GL_DEPTH_TEST);   // Enable depth testing for z-culling

   glDepthFunc(GL_LEQUAL);    // Set the type of depth-test

   glShadeModel(GL_SMOOTH);   // Enable smooth shading

   glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);  // Nice perspective corrections

     glEnable(GL_COLOR_MATERIAL);

}





void display (void) {



   // glClearColor (1,1,1,0); //clear the screen to black

    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear the color buffer and the depth buffer

    glLoadIdentity();  

    GLfloat Dif[] = {dlr, dlg, dlb}; //set DiffuseLight[] to the specified values

    GLfloat Amb[] = {alr, alg, alb}; //set AmbientLight[] to the specified values

    GLfloat Spec[] = {1.0, 1.0, 1.0, 1.0};

    GLfloat Shine[] = {1.0, 1.0, 1.0, 1.0}; 

    

  glMaterialfv(GL_LIGHT_MODEL_AMBIENT, GL_AMBIENT, Amb);

  glMaterialfv(GL_LIGHT0, GL_DIFFUSE, Dif);

  glMaterialfv(GL_FRONT, GL_SPECULAR, Spec);

  glMaterialf(GL_FRONT, GL_SHININESS, 100.0);

  gluLookAt (0.0, 0.0, 3.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0); //camera position, x,y,z, looking at x,y,z, Up Positions of the camera    

      

    glScalef (1.0, 1.0, 1.0);      /* modeling transformation */

     glOrtho(-1, 1, -1, 1, -2, 1); //the views will be: Front, Back, Top, Bottom, Left, and Right

    Plot(); //call the cube drawing function

    glutSwapBuffers(); //swap the buffers

    angle++; //increase the angle



  

}





void reshape (int w, int h) {

    glViewport (0, 0, (GLsizei)w, (GLsizei)h); //set the viewport to the current window specifications

    glMatrixMode (GL_PROJECTION); //set the matrix to projection

    glLoadIdentity ();

    gluPerspective (60, (GLfloat)w / (GLfloat)h, 1.0, 100.0); //set the perspective (angle of sight, width, height, , depth)

    glMatrixMode (GL_MODELVIEW); //set the matrix back to model



}



void keyboard (unsigned char key, int x, int y) {

    if (key=='r') {

        dlr = 1.0; //change light to red

        dlg = 0.0;

        dlb = 0.0;

    }

    if (key=='g') {

        dlr = 0.0; //change light to green

        dlg = 1.0;

        dlb = 0.0;

    }

    if (key=='b') {

        dlr = 0.0; //change light to blue

        dlg = 0.0;

        dlb = 1.0;

    }

    if (key=='w') {

        ly += 10.0; //move the light up

    }

    if (key=='s') {

        ly -= 10.0; //move the light down

    }

    if (key=='a') {

        lx -= 10.0; //move the light left

    }

    if (key=='d') {

        lx += 10.0; //move the light right

    }

}



int main (int argc, char **argv) {

    glutInit (&argc, argv);

    glutInitDisplayMode (GLUT_DOUBLE | GLUT_DEPTH); //set the display to Double buffer, with depth

    glutInitWindowSize (1600, 1024); //set the window size

    glutInitWindowPosition (100, 100); //set the position of the window

    glutCreateWindow ("A 3D Camera Plot"); //the caption of the window

    init (); //call the init function

    glutDisplayFunc (display); //use the display function to draw everything

    glutIdleFunc (display); //update any variables in display, display can be changed to anyhing, as long as you move the variables to be updated, in this case, angle++;

    glutReshapeFunc (reshape); //reshape the window accordingly

    glutKeyboardFunc (keyboard); //check the keyboard

    glutMainLoop (); //call the main loop

    return 0;

}