glutmech.c

嵌入式GUI OpenGL源代码。OpenGL是嵌入式开发中常用的一种GUI系统。

  glColor3f(0.5, 0.5, 0.5);
  Box(0.5, 0.6, 2.0, solid);
  glTranslatef(-1.5, 0.0, 0.0);
  Box(0.5, 0.6, 2.0, solid);
  glTranslatef(0.75, 0.0, 0.0);
  glEndList();
}

void
MechHip(char solid)
{
  int i;

  glNewList(SOLID_MECH_HIP, GL_COMPILE);
#ifdef LIGHT
  SetMaterial(mat_specular, mat_ambient, mat_diffuse, mat_shininess);
#endif
  glColor3f(1.0, 1.0, 0.0);
  Octagon(0.7, 0.5, solid);
#ifdef SPHERE
  for (i = 0; i < 2; i++) {
    if (i)
      glScalef(-1.0, 1.0, 1.0);
    glTranslatef(1.0, 0.0, 0.0);
#ifdef LIGHT
    SetMaterial(mat_specular2, mat_ambient2, mat_diffuse2, mat_shininess2);
#endif
    glColor3f(0.5, 0.5, 0.5);
    if (!solid)
      gluQuadricDrawStyle(qobj, GLU_LINE);
    gluSphere(qobj, 0.2, 16, 16);
    glTranslatef(-1.0, 0.0, 0.0);
  }
  glScalef(-1.0, 1.0, 1.0);
#endif
  glEndList();
}

void
Shoulder(char solid)
{
  glNewList(SOLID_MECH_SHOULDER, GL_COMPILE);
#ifdef LIGHT
  SetMaterial(mat_specular, mat_ambient, mat_diffuse, mat_shininess);
#endif
  glColor3f(1.0, 1.0, 0.0);
  Box(1.0, 0.5, 0.5, solid);
  glTranslatef(0.9, 0.0, 0.0);
#ifdef LIGHT
  SetMaterial(mat_specular2, mat_ambient2, mat_diffuse2, mat_shininess2);
#endif
  glColor3f(0.5, 0.5, 0.5);
#ifdef SPHERE
  if (!solid)
    gluQuadricDrawStyle(qobj, GLU_LINE);
  gluSphere(qobj, 0.6, 16, 16);
#endif
  glTranslatef(-0.9, 0.0, 0.0);
  glEndList();
}

void
UpperArm(char solid)
{
  int i;

  glNewList(SOLID_MECH_UPPER_ARM, GL_COMPILE);
#ifdef LIGHT
  SetMaterial(mat_specular, mat_ambient, mat_diffuse, mat_shininess);
#endif
  glColor3f(1.0, 1.0, 0.0);
  Box(1.0, 2.0, 1.0, solid);
  glTranslatef(0.0, -0.95, 0.0);
  glRotatef(90.0, 1.0, 0.0, 0.0);
#ifdef LIGHT
  SetMaterial(mat_specular2, mat_ambient2, mat_diffuse2, mat_shininess2);
#endif
  glColor3f(0.5, 0.5, 0.5);
  if (!solid)
    gluQuadricDrawStyle(qobj, GLU_LINE);
  gluCylinder(qobj, 0.4, 0.4, 1.5, 16, 10);
#ifdef LIGHT
  SetMaterial(mat_specular, mat_ambient, mat_diffuse, mat_shininess);
#endif
  glColor3f(1.0, 1.0, 0.0);
  glRotatef(-90.0, 1.0, 0.0, 0.0);
  glTranslatef(-0.4, -1.85, 0.0);
  glRotatef(90.0, 0.0, 1.0, 0.0);
  for (i = 0; i < 2; i++) {
    if (!solid)
      gluQuadricDrawStyle(qobj, GLU_LINE);
    if (i)
      gluCylinder(qobj, 0.5, 0.5, 0.8, 16, 10);
    else
      gluCylinder(qobj, 0.2, 0.2, 0.8, 16, 10);
  }
  for (i = 0; i < 2; i++) {
    if (i)
      glScalef(-1.0, 1.0, 1.0);
    if (!solid)
      gluQuadricDrawStyle(qobj, GLU_LINE);
    if (i)
      glTranslatef(0.0, 0.0, 0.8);
    gluDisk(qobj, 0.2, 0.5, 16, 10);
    if (i)
      glTranslatef(0.0, 0.0, -0.8);
  }
  glScalef(-1.0, 1.0, 1.0);
  glRotatef(-90.0, 0.0, 1.0, 0.0);
  glTranslatef(0.4, 2.9, 0.0);
  glEndList();
}

void
VulcanGun(char solid)
{
  int i;

  glNewList(SOLID_MECH_VULCAN, GL_COMPILE);

#ifdef LIGHT
  SetMaterial(mat_specular2, mat_ambient2, mat_diffuse2, mat_shininess2);
#endif
  glColor3f(0.5, 0.5, 0.5);

  if (!solid) {
    gluQuadricDrawStyle(qobj, GLU_LINE);
  }
  gluCylinder(qobj, 0.5, 0.5, 0.5, 16, 10);
  glTranslatef(0.0, 0.0, 0.5);
  gluDisk(qobj, 0.0, 0.5, 16, 10);

  for (i = 0; i < 5; i++) {
    glRotatef(72.0, 0.0, 0.0, 1.0);
    glTranslatef(0.0, 0.3, 0.0);
    if (!solid) {
      gluQuadricDrawStyle(qobj, GLU_LINE);
    }
    gluCylinder(qobj, 0.15, 0.15, 2.0, 16, 10);
    gluCylinder(qobj, 0.06, 0.06, 2.0, 16, 10);
    glTranslatef(0.0, 0.0, 2.0);
    gluDisk(qobj, 0.1, 0.15, 16, 10);
    gluCylinder(qobj, 0.1, 0.1, 0.1, 16, 5);
    glTranslatef(0.0, 0.0, 0.1);
    gluDisk(qobj, 0.06, 0.1, 16, 5);
    glTranslatef(0.0, -0.3, -2.1);
  }
  glEndList();
}

void
ForeArm(char solid)
{
  char i;

  glNewList(SOLID_MECH_FOREARM, GL_COMPILE);
#ifdef LIGHT
  SetMaterial(mat_specular, mat_ambient, mat_diffuse, mat_shininess);
#endif
  glColor3f(1.0, 1.0, 0.0);
  for (i = 0; i < 5; i++) {
    glTranslatef(0.0, -0.1, -0.15);
    Box(0.6, 0.8, 0.2, solid);
    glTranslatef(0.0, 0.1, -0.15);
    Box(0.4, 0.6, 0.1, solid);
  }
  glTranslatef(0.0, 0.0, 2.45);
  Box(1.0, 1.0, 2.0, solid);
  glTranslatef(0.0, 0.0, -1.0);
  glEndList();
}

void
UpperLeg(char solid)
{
  int i;

  glNewList(SOLID_MECH_UPPER_LEG, GL_COMPILE);
#ifdef LIGHT
  SetMaterial(mat_specular, mat_ambient, mat_diffuse, mat_shininess);
#endif
  glColor3f(1.0, 1.0, 0.0);
  if (!solid) {
    gluQuadricDrawStyle(qobj, GLU_LINE);
  }
  glTranslatef(0.0, -1.0, 0.0);
  Box(0.4, 1.0, 0.7, solid);
  glTranslatef(0.0, -0.65, 0.0);
  for (i = 0; i < 5; i++) {
    Box(1.2, 0.3, 1.2, solid);
    glTranslatef(0.0, -0.2, 0.0);
    Box(1.0, 0.1, 1.0, solid);
    glTranslatef(0.0, -0.2, 0.0);
  }
  glTranslatef(0.0, -0.15, -0.4);
  Box(2.0, 0.5, 2.0, solid);
  glTranslatef(0.0, -0.3, -0.2);
  glRotatef(90.0, 1.0, 0.0, 0.0);
#ifdef LIGHT
  SetMaterial(mat_specular2, mat_ambient2, mat_diffuse2, mat_shininess2);
#endif
  glColor3f(0.5, 0.5, 0.5);
  gluCylinder(qobj, 0.6, 0.6, 3.0, 16, 10);
#ifdef LIGHT
  SetMaterial(mat_specular, mat_ambient, mat_diffuse, mat_shininess);
#endif
  glColor3f(1.0, 1.0, 0.0);
  glRotatef(-90.0, 1.0, 0.0, 0.0);
  glTranslatef(0.0, -1.5, 1.0);
  Box(1.5, 3.0, 0.5, solid);
  glTranslatef(0.0, -1.75, -0.8);
  Box(2.0, 0.5, 2.0, solid);
  glTranslatef(0.0, -0.9, -0.85);
#ifdef LIGHT
  SetMaterial(mat_specular2, mat_ambient2, mat_diffuse2, mat_shininess2);
#endif
  glColor3f(0.5, 0.5, 0.5);
  gluCylinder(qobj, 0.8, 0.8, 1.8, 16, 10);
  for (i = 0; i < 2; i++) {
    if (i)
      glScalef(-1.0, 1.0, 1.0);
    if (!solid)
      gluQuadricDrawStyle(qobj, GLU_LINE);
    if (i)
      glTranslatef(0.0, 0.0, 1.8);
    gluDisk(qobj, 0.0, 0.8, 16, 10);
    if (i)
      glTranslatef(0.0, 0.0, -1.8);
  }
  glScalef(-1.0, 1.0, 1.0);
  glEndList();
}

void
Foot(char solid)
{

  glNewList(SOLID_MECH_FOOT, GL_COMPILE);
#ifdef LIGHT
  SetMaterial(mat_specular2, mat_ambient2, mat_diffuse2, mat_shininess2);
#endif
  glColor3f(0.5, 0.5, 0.5);
  glRotatef(90.0, 1.0, 0.0, 0.0);
  Octagon(1.5, 0.6, solid);
  glRotatef(-90.0, 1.0, 0.0, 0.0);
  glEndList();
}

void
LowerLeg(char solid)
{
  float k, l;

#ifdef LIGHT
  SetMaterial(mat_specular, mat_ambient, mat_diffuse, mat_shininess);
#endif
  glColor3f(1.0, 1.0, 0.0);
  for (k = 0.0; k < 2.0; k++) {
    for (l = 0.0; l < 2.0; l++) {
      glPushMatrix();
      glTranslatef(k, 0.0, l);
#ifdef LIGHT
      SetMaterial(mat_specular, mat_ambient, mat_diffuse, mat_shininess);
#endif
      glColor3f(1.0, 1.0, 0.0);
      Box(1.0, 0.5, 1.0, solid);
      glTranslatef(0.0, -0.45, 0.0);
#ifdef LIGHT
      SetMaterial(mat_specular2, mat_ambient2, mat_diffuse2, mat_shininess2);
#endif
      glColor3f(0.5, 0.5, 0.5);
#ifdef SPHERE
      if (!solid)
        glutWireSphere(0.2, 16, 10);
      else
        glutSolidSphere(0.2, 16, 10);
#endif
      if (leg)
        glRotatef((GLfloat) heel1, 1.0, 0.0, 0.0);
      else
        glRotatef((GLfloat) heel2, 1.0, 0.0, 0.0);
      /* glTranslatef(0.0, -0.2, 0.0); */
      glTranslatef(0.0, -1.7, 0.0);
#ifdef LIGHT
      SetMaterial(mat_specular, mat_ambient, mat_diffuse, mat_shininess);
#endif
      glColor3f(1.0, 1.0, 0.0);
      Box(0.25, 3.0, 0.25, solid);
      glTranslatef(0.0, -1.7, 0.0);
#ifdef LIGHT
      SetMaterial(mat_specular2, mat_ambient2, mat_diffuse2, mat_shininess2);
#endif
      glColor3f(0.5, 0.5, 0.5);
#ifdef SPHERE
      if (!solid)
        glutWireSphere(0.2, 16, 10);
      else
        glutSolidSphere(0.2, 16, 10);
#endif
      if (leg)
        glRotatef((GLfloat) - heel1, 1.0, 0.0, 0.0);
      else
        glRotatef((GLfloat) - heel2, 1.0, 0.0, 0.0);
      glTranslatef(0.0, -0.45, 0.0);
#ifdef LIGHT
      SetMaterial(mat_specular, mat_ambient, mat_diffuse, mat_shininess);
#endif
      glColor3f(1.0, 1.0, 0.0);
      Box(1.0, 0.5, 1.0, solid);
      if (!k && !l) {
        int j;

        glTranslatef(-0.4, -0.8, 0.5);
        if (leg)
          glRotatef((GLfloat) ankle1, 1.0, 0.0, 0.0);
        else
          glRotatef((GLfloat) ankle2, 1.0, 0.0, 0.0);
        glRotatef(90.0, 0.0, 1.0, 0.0);
        if (!solid)
          gluQuadricDrawStyle(qobj, GLU_LINE);
        gluCylinder(qobj, 0.8, 0.8, 1.8, 16, 10);
        for (j = 0; j < 2; j++) {
          if (!solid)
            gluQuadricDrawStyle(qobj, GLU_LINE);
          if (j) {
            glScalef(-1.0, 1.0, 1.0);
            glTranslatef(0.0, 0.0, 1.8);
          }
          gluDisk(qobj, 0.0, 0.8, 16, 10);
          if (j)
            glTranslatef(0.0, 0.0, -1.8);
        }
        glScalef(-1.0, 1.0, 1.0);
        glRotatef(-90.0, 0.0, 1.0, 0.0);
        glTranslatef(0.95, -0.8, 0.0);
        glCallList(SOLID_MECH_FOOT);
      }
      glPopMatrix();
    }
  }
}

void
RocketPod(char solid)
{

  int i, j, k = 0;

  glNewList(SOLID_MECH_ROCKET, GL_COMPILE);
#ifdef LIGHT
  SetMaterial(mat_specular2, mat_ambient2, mat_diffuse2, mat_shininess2);
#endif
  glColor3f(0.5, 0.5, 0.5);
  glScalef(0.4, 0.4, 0.4);
  glRotatef(45.0, 0.0, 0.0, 1.0);
  glTranslatef(1.0, 0.0, 0.0);
  Box(2.0, 0.5, 3.0, solid);
  glTranslatef(1.0, 0.0, 0.0);
  glRotatef(45.0, 0.0, 0.0, 1.0);
  glTranslatef(0.5, 0.0, 0.0);
  Box(1.2, 0.5, 3.0, solid);
  glTranslatef(2.1, 0.0, 0.0);
  glRotatef(-90.0, 0.0, 0.0, 1.0);
#ifdef LIGHT
  SetMaterial(mat_specular, mat_ambient, mat_diffuse, mat_shininess);
#endif
  glColor3f(1.0, 1.0, 0.0);
  Box(2.0, 3.0, 4.0, solid);
  glTranslatef(-0.5, -1.0, 1.3);
  for (i = 0; i < 2; i++) {
    for (j = 0; j < 3; j++) {
      if (!solid) {
        gluQuadricDrawStyle(qobj, GLU_LINE);
      }
      glTranslatef(i, j, 0.6);
#ifdef LIGHT
      SetMaterial(mat_specular3, mat_ambient3, mat_diffuse3, mat_shininess3);
#endif
      glColor3f(1.0, 1.0, 1.0);
      gluCylinder(qobj, 0.4, 0.4, 0.3, 16, 10);
      glTranslatef(0.0, 0.0, 0.3);
#ifdef LIGHT
      SetMaterial(mat_specular4, mat_ambient4, mat_diffuse4, mat_shininess4);
#endif
      glColor3f(0.0, 1.0, 0.0);
      gluCylinder(qobj, 0.4, 0.0, 0.5, 16, 10);
      k++;
      glTranslatef(-i, -j, -0.9);
    }
  }
  glEndList();
}

void
Enviro(char solid)
{

  int i, j;

  glNewList(SOLID_ENVIRO, GL_COMPILE);
  SetMaterial(mat_specular4, mat_ambient4, mat_diffuse4, mat_shininess4);
  glColor3f(0.0, 1.0, 0.0);
  Box(20.0, 0.5, 30.0, solid);
  SetMaterial(mat_specular4, mat_ambient3, mat_diffuse2, mat_shininess);
  glColor3f(0.6, 0.6, 0.6);
  glTranslatef(0.0, 0.0, -10.0);
  for (j = 0; j < 6; j++) {
    for (i = 0; i < 2; i++) {
      if (i)
        glScalef(-1.0, 1.0, 1.0);
      glTranslatef(10.0, 4.0, 0.0);
      Box(4.0, 8.0, 2.0, solid);
      glTranslatef(0.0, -1.0, -3.0);
      Box(4.0, 6.0, 2.0, solid);
      glTranslatef(-10.0, -3.0, 3.0);
    }
    glScalef(-1.0, 1.0, 1.0);
    glTranslatef(0.0, 0.0, 5.0);
  }
  glEndList();
}

void
Toggle(void)
{
  if (solid_part)
    solid_part = 0;
  else
    solid_part = 1;
}

void
disable(void)
{
  glDisable(GL_LIGHTING);
  glDisable(GL_DEPTH_TEST);
  glDisable(GL_NORMALIZE);
  glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
}

void
lighting(void)
{

  GLfloat position[] =
  {0.0, 0.0, 2.0, 1.0};

#ifdef MOVE_LIGHT
  glRotatef((GLfloat) lightturn1, 1.0, 0.0, 0.0);
  glRotatef((GLfloat) lightturn, 0.0, 1.0, 0.0);
  glRotatef(0.0, 1.0, 0.0, 0.0);
#endif
  glEnable(GL_LIGHTING);
  glEnable(GL_LIGHT0);
  glEnable(GL_NORMALIZE);
  glDepthFunc(GL_LESS);
  glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

  glLightfv(GL_LIGHT0, GL_POSITION, position);
  glLightf(GL_LIGHT0, GL_SPOT_CUTOFF, 80.0);

  glTranslatef(0.0, 0.0, 2.0);
  glDisable(GL_LIGHTING);
  Box(0.1, 0.1, 0.1, 0);
  glEnable(GL_LIGHTING);
}

void
DrawMech(void)
{
  int i, j;

  glScalef(0.5, 0.5, 0.5);
  glPushMatrix();
  glTranslatef(0.0, -0.75, 0.0);
  glRotatef((GLfloat) tilt, 1.0, 0.0, 0.0);

  glRotatef(90.0, 1.0, 0.0, 0.0);
#ifdef HIP
  glCallList(SOLID_MECH_HIP);
#endif
  glRotatef(-90.0, 1.0, 0.0, 0.0);

  glTranslatef(0.0, 0.75, 0.0);
  glPushMatrix();
  glRotatef((GLfloat) pivot, 0.0, 1.0, 0.0);
  glPushMatrix();
#ifdef TORSO
  glCallList(SOLID_MECH_TORSO);
#endif
  glPopMatrix();
  glPushMatrix();
  glTranslatef(0.5, 0.5, 0.0);
#ifdef ROCKET_POD
  glCallList(SOLID_MECH_ROCKET);
#endif
  glPopMatrix();
  for (i = 0; i < 2; i++) {
    glPushMatrix();
    if (i)
      glScalef(-1.0, 1.0, 1.0);
    glTranslatef(1.5, 0.0, 0.0);
#ifdef SHOULDER
    glCallList(SOLID_MECH_SHOULDER);
#endif
    glTranslatef(0.9, 0.0, 0.0);
    if (i) {
      glRotatef((GLfloat) lat1, 0.0, 0.0, 1.0);
      glRotatef((GLfloat) shoulder1, 1.0, 0.0, 0.0);
      glRotatef((GLfloat) shoulder3, 0.0, 1.0, 0.0);
    } else {
      glRotatef((GLfloat) lat2, 0.0, 0.0, 1.0);
      glRotatef((GLfloat) shoulder2, 1.0, 0.0, 0.0);
      glRotatef((GLfloat) shoulder4, 0.0, 1.0, 0.0);
    }
    glTranslatef(0.0, -1.4, 0.0);
#ifdef UPPER_ARM
    glCallList(SOLID_MECH_UPPER_ARM);
#endif
    glTranslatef(0.0, -2.9, 0.0);
    if (i)
      glRotatef((GLfloat) elbow1, 1.0, 0.0, 0.0);
    else
      glRotatef((GLfloat) elbow2, 1.0, 0.0, 0.0);
    glTranslatef(0.0, -0.9, -0.2);
#ifdef LOWER_ARM
    glCallList(SOLID_MECH_FOREARM);
    glPushMatrix();
    glTranslatef(0.0, 0.0, 2.0);
    glRotatef((GLfloat) fire, 0.0, 0.0, 1.0);
    glCallList(SOLID_MECH_VULCAN);
    glPopMatrix();
#endif
    glPopMatrix();
  }
  glPopMatrix();

  glPopMatrix();

  for (j = 0; j < 2; j++) {
    glPushMatrix();
    if (j) {
      glScalef(-0.5, 0.5, 0.5);
      leg = 1;
    } else {
      glScalef(0.5, 0.5, 0.5);
      leg = 0;
    }
    glTranslatef(2.0, -1.5, 0.0);
    if (j) {
      glRotatef((GLfloat) hip11, 1.0, 0.0, 0.0);
      glRotatef((GLfloat) hip12, 0.0, 0.0, 1.0);
    } else {
      glRotatef((GLfloat) hip21, 1.0, 0.0, 0.0);
      glRotatef((GLfloat) hip22, 0.0, 0.0, 1.0);
    }
    glTranslatef(0.0, 0.3, 0.0);
#ifdef UPPER_LEG
    glPushMatrix();
    glCallList(SOLID_MECH_UPPER_LEG);
    glPopMatrix();
#endif
    glTranslatef(0.0, -8.3, -0.4);
    if (j)
      glRotatef((GLfloat) - hip12, 0.0, 0.0, 1.0);
    else
      glRotatef((GLfloat) - hip22, 0.0, 0.0, 1.0);
    glTranslatef(-0.5, -0.85, -0.5);
#ifdef LOWER_LEG
    LowerLeg(1);
#endif
    glPopMatrix();
  }
}

void
display(void)
{
  glClearColor(0.0, 0.0, 0.0, 0.0);
  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  glEnable(GL_DEPTH_TEST);

  glPushMatrix();
  glRotatef((GLfloat) turn, 0.0, 1.0, 0.0);
  glRotatef((GLfloat) turn1, 1.0, 0.0, 0.0);
#ifdef LIGHT
  if (solid_part) {
    glPushMatrix();
    lighting();