#include <GL/glut.h>
#include <GL/glu.h>
#include <GL/gl.h>
#include <stdio.h>
#include <math.h>
#define elem_num 20
double
x_u[elem_num], x_f1[elem_num], x_f2[elem_num], x_f3[elem_num], x_f4[elem_num], x_f5[elem_num], x_f6[elem_num],
y_u[elem_num], y_f1[elem_num], y_f2[elem_num], y_f3[elem_num], y_f4[elem_num], y_f5[elem_num], y_f6[elem_num],
z_u[elem_num], z_f1[elem_num], z_f2[elem_num], z_f3[elem_num], z_f4[elem_num], z_f5[elem_num], z_f6[elem_num];
double
angle_vert, angle_hor, cam_step=2, cam_r=20, cam_x=0, cam_y=20, cam_z=0, polar[3];
void CamStart () {
polar[1]=20;
polar[2]=3870;
polar[3]=3600;
}
void CamPos () {
double CVlength, nx, ny, nz, up_x, up_y, up_z;
cam_x = polar[1]*sin(polar[2]*M_PI/180)*sin(polar[3]*M_PI/180);
cam_y = polar[1]*cos(polar[2]*M_PI/180);
cam_z = polar[1]*sin(polar[2]*M_PI/180)*cos(polar[3]*M_PI/180);
CVlength=sqrt(cam_x*cam_x+cam_y*cam_y+cam_z*cam_z);
nx=cam_x/CVlength;
ny=cam_y/CVlength;
nz=cam_z/CVlength;
up_x=-nx*ny;
up_y=nz*nz+nx*nx;
up_z=-nz*ny;
glLoadIdentity();
gluLookAt(cam_x,cam_y,cam_z,0,0,0,up_x,up_y,up_z);
}
void Camera(unsigned char key) {
if (key == 'q') {
polar[1] += cam_step;
CamPos();
}
if (key == 'e') {
polar[1] -= cam_step;
CamPos();
}
if (key == 'w') {
polar[2] += cam_step;
CamPos();
}
if (key == 's') {
polar[2] -= cam_step;
CamPos();
}
if (key == 'a') {
polar[3] += cam_step;
CamPos();
}
if (key == 'd') {
polar[3] -= cam_step;
CamPos();
}
if (key == '=') {
cam_step++;
printf("cam_step set to'%f'\n",cam_step);
}
if (key == '-') {
cam_step++;
printf("cam_step set to'%f'\n",cam_step);
}
if (key == '0') {
CamStart();
CamPos();
}
}
void SetCamera(unsigned char key, int x, int y) {
Camera(key);
}
void MolekCreate() {
double r_m=2;
x_u[1] = 0; y_u[1] = 0; z_u[1]=0;
x_f1[1] = -0.7*r_m; y_f1[1] = -0.7*r_m; z_f1[1]=-0.7*r_m;
x_f2[1] = 0.7*r_m; y_f2[1] = 0.7*r_m; z_f2[1]=0.7*r_m;
x_f3[1] = 0.7*r_m; y_f3[1] = -0.7*r_m; z_f3[1]=0.7*r_m;
x_f4[1] = -0.7*r_m; y_f4[1] = 0.7*r_m; z_f4[1]=-0.7*r_m;
x_f5[1] = 0.7*r_m; y_f5[1] = 0.0; z_f5[1]=-0.7*r_m;
x_f6[1] = -0.7*r_m; y_f6[1] = 0.0; z_f6[1]=0.7*r_m;
x_u[2] = 0; y_u[2] = 0; z_u[2]=0;
x_f1[2] = 2; y_f1[2] = 0; z_f1[2]=0;
x_f2[2] = -2; y_f2[2] = 0; z_f2[2]=0;
x_f3[2] = 0; y_f3[2] = 2; z_f3[2]=0;
x_f4[2] = 0; y_f4[2] = -2; z_f4[2]=0;
x_f5[2] = 0; y_f5[2] = 0; z_f5[2]=2;
x_f6[2] = 0; y_f6[2] = 0; z_f6[2]=-2;
x_u[3] = 0; y_u[3] = 0; z_u[3]=0;
x_f1[3] = 2; y_f1[3] = 0; z_f1[3]=0;
x_f2[3] = -2; y_f2[3] = 0; z_f2[3]=0;
x_f3[3] = 0; y_f3[3] = 2; z_f3[3]=0;
x_f4[3] = 0; y_f4[3] = -2; z_f4[3]=0;
x_f5[3] = 0; y_f5[3] = 0; z_f5[3]=2;
x_f6[3] = 0; y_f6[3] = 0; z_f6[3]=-2;
x_u[4] = 0; y_u[4] = 0; z_u[4]=0;
x_f1[4] = 2; y_f1[4] = 0; z_f1[4]=0;
x_f2[4] = -2; y_f2[4] = 0; z_f2[4]=0;
x_f3[4] = 0; y_f3[4] = 2; z_f3[4]=0;
x_f4[4] = 0; y_f4[4] = -2; z_f4[4]=0;
x_f5[4] = 0; y_f5[4] = 0; z_f5[4]=2;
x_f6[4] = 0; y_f6[4] = 0; z_f6[4]=-2;
}
void initDraw () {
//glEnable(GL_DEPTH_TEST);
//glDepthFunc(GL_LEQUAL);
}
void display () {
double diam_u=1.2, diam_f=1.2;
int n;
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
GLUquadricObj *quadObj;
quadObj = gluNewQuadric();
gluQuadricDrawStyle(quadObj, GLU_FILL);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
for (n=1; n<=1;n++ ) {
GLfloat front_color[] = {1,1,1,1};
GLfloat back_color[] = {0,0,1,1};
glMaterialfv(GL_FRONT, GL_DIFFUSE, front_color);
glMaterialfv(GL_BACK, GL_DIFFUSE, back_color);
//U
glPushMatrix();
glColor3f ( 0.0f, 0.0f, 1.0f );
glTranslatef(x_u[n],y_u[n],z_u[n]);
gluSphere(quadObj, diam_u, 32, 32);
initDraw ();
glPopMatrix();
//F1
glColor3f ( 0.0f, 1.0f, 0.0f );
glPushMatrix();
glTranslatef(x_f1[n],y_f1[n],z_f1[n]);
gluSphere(quadObj, diam_f, 32, 32);
initDraw ();
glPopMatrix();
//F2
glColor3f ( 0.0f, 1.0f, 0.0f );
glPushMatrix();
glTranslatef(x_f2[n],y_f2[n],z_f2[n]);
gluSphere(quadObj, diam_f, 32, 32);
initDraw ();
glPopMatrix();
//F3
glColor3f ( 0.0f, 1.0f, 0.0f );
glPushMatrix();
glTranslatef(x_f3[n],y_f3[n],z_f3[n]);
gluSphere(quadObj, diam_f, 32, 32);
initDraw ();
glPopMatrix();
//F4
glColor3f ( 0.0f, 1.0f, 0.0f );
glPushMatrix();
glTranslatef(x_f4[n],y_f4[n],z_f4[n]);
gluSphere(quadObj, diam_f, 32, 32);
initDraw ();
glPopMatrix();
//F5
glColor3f ( 0.0f, 1.0f, 0.0f );
glPushMatrix();
glTranslatef(x_f5[n],y_f5[n],z_f5[n]);
gluSphere(quadObj, diam_f, 32, 32);
initDraw ();
glPopMatrix();
//F6
glColor3f ( 0.0f, 1.0f, 0.0f );
glPushMatrix();
glTranslatef(x_f6[n],y_f6[n],z_f6[n]);
gluSphere(quadObj, diam_f, 32, 32);
initDraw ();
glPopMatrix();
}
glDisable(GL_DEPTH_TEST);
glutSwapBuffers();
}
void timer() {
display();
glutTimerFunc(100, timer, 0);
}
int main (int argc, char **argv) {
MolekCreate();
CamStart();
float pos[4] = {0,0,20,0.5};
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
glutInitWindowSize(400, 400);
glutInitWindowPosition(624, 100);
glutCreateWindow("UF6");
// Освещение
glEnable ( GL_COLOR_MATERIAL ) ;
glEnable(GL_LIGHTING);
glEnable(GL_NORMALIZE);
glEnable(GL_AUTO_NORMAL);
glEnable(GL_LIGHT0);
glLightfv(GL_LIGHT0, GL_POSITION, pos);
glClearColor(0, 0, 0, 1.0);
//
glutDisplayFunc(display);
glutKeyboardFunc(SetCamera);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45, 1, 0, 10.0);
glMatrixMode(GL_MODELVIEW);
CamPos();
timer(0);
glutMainLoop();
return 0;
}
