//Objects created by Justine Aylmer
//Includes temple object and trident object
//CS 307

void temple() {
  /*Temple object is 17 units along the x-axis, 34 units along the z-axis, and 23 units along the y-axis.  Its origin lies at the front left corner.
   */

  int i;
  GLfloat tempSpec = 0.9;
  GLfloat tempShine = 20;

  glPushMatrix();
  glTranslatef(8.5,1,-17);  /* Translate so temple is at ground level with front left corner at origin */

  //draw bottom level
  glPushMatrix();
  glScalef(17,2,34);
  glutSolidCube(1);
  glPopMatrix();

  //draw upper level
  glPushMatrix();
  glTranslatef(0,2,0);
  glScalef(15,2,30);
  glutSolidCube(1);
  glPopMatrix();

  //draw left pillars
  glPushMatrix();
  glTranslatef(-6,17,13);
  for(i=0; i<6; i++) {
    twSolidCylinder(1,1,15,12,3);
    glTranslatef(0,0,-5);
  }
  glPopMatrix();

  //draw right pillars
  glPushMatrix();
  glTranslatef(6,17,13);
  for(i=0; i<6; i++) {
    twSolidCylinder(1,1,15,12,3);
    glTranslatef(0,0,-5);
  }
  glPopMatrix();

  //draw front pillars
  glPushMatrix();
  glTranslatef(-2,17,13);
  for(i=0; i<2; i++) {
    twSolidCylinder(1,1,15,12,3);
    glTranslatef(4,0,0);
  }
  glPopMatrix();

  //draw back pillars
  glPushMatrix();
  glTranslatef(-2,17,-13);
  for(i=0; i<2; i++) {
    twSolidCylinder(1,1,15,12,3);
    glTranslatef(4,0,0);
  }
  glPopMatrix();

  twTriple roof[6] = 
    {
      {-8.5,17,17},    //front left bottom
      {8.5,17,17},     //front right bottom
      {0,22,17},       //front top
      {-8.5,17,-17},   //back left bottom
      {8.5,17,-17},    //back right bottom
      {0,22,-17},      //back top
    };

  glBegin(GL_POLYGON);  //front
  {
    glVertex3fv(roof[0]);
    glVertex3fv(roof[1]);
    glVertex3fv(roof[2]);
  }
  glEnd();
  glBegin(GL_POLYGON);  //back
  {
    glVertex3fv(roof[3]);
    glVertex3fv(roof[5]);
    glVertex3fv(roof[4]);
  }
  glEnd();
  glBegin(GL_POLYGON);  //left side
  twTriple v, w, u;
  twVector(v,roof[0],roof[2]);
  twVector(w,roof[5],roof[2]);
  twCrossProduct(u,v,w);
  twVectorNormalize(u);
  glNormal3fv(u);
  {
    glVertex3fv(roof[3]);
    glVertex3fv(roof[0]);
    glVertex3fv(roof[2]);
    glVertex3fv(roof[5]);
  }
  glEnd();
  glBegin(GL_POLYGON);  //right side

  /*Surface Normal was found by hand by taking the cross product of the vector from vertex 2 to vertex1 and vertex 2 to vertex 5
   */
  GLfloat normal[] = {170,289,8.5};
  glNormal3fv(normal);
  {
    glVertex3fv(roof[4]);
    glVertex3fv(roof[5]);
    glVertex3fv(roof[2]);
    glVertex3fv(roof[1]);
  }
  glEnd();

  glPopMatrix();

}


void boat() {
  /* Boat object is 10 units long (along x-axis) with oars spanning 16 units (along z-axis).  It is 2 units high, and is drawn from the center.
   */

  glPushMatrix();
  glTranslatef(0,2,0);
  glPushMatrix();
  glScalef(10,2,2);
  twSolidCylinder(1,1,1,45,1);
  glPopMatrix();
  glTranslatef(5,0,0);
  glRotatef(80,1,0,0);
  for(int j=0; j<4; j++) {
    twSolidCylinder(.5,.5,8,20,1);
    glRotatef(200,1,0,0);
    twSolidCylinder(.5,.5,8,20,1);
    glRotatef(-200,1,0,0);
    glTranslatef(-4,0,0);
  }
  glPopMatrix();
}


void trident() {
  /* Trident is 35 units long (along y-axis), 14 units wide (along x-axis) and is drawn from the bottom of the handle, facing down.
   */
  int length = 25;
  glPushMatrix();
  //long handle
  glRotatef(180,0,1,0);
  twSolidCylinder(1,1,length,20,12);
  //short base
  glTranslatef(0,-length,0);
  glRotatef(90,0,0,1);
  glTranslatef(0,5,0);
  twSolidCylinder(1,1,10,20,12);
  //end prong
  glRotatef(-90,0,0,1);
  twSolidCylinder(1,1,6,20,12);
  //end prong tip
  glPushMatrix();
  glTranslatef(0,-6,0);
  glRotatef(90,1,0,0);
  glutSolidCone(2,2,12,12);
  glPopMatrix();
  //middle prong
  glTranslatef(5,0,0);
  twSolidCylinder(1,1,8,20,12);
  //middle prong tip
  glPushMatrix();
  glTranslatef(0,-8,0);
  glRotatef(90,1,0,0);
  glutSolidCone(2,2,12,12);
  glPopMatrix();
  //end prong
  glTranslatef(5,0,0);
  twSolidCylinder(1,1,6,20,12);
  //end prong tip
  glPushMatrix();
  glTranslatef(0,-6,0);
  glRotatef(90,1,0,0);
  glutSolidCone(2,2,12,12);
  glPopMatrix();

  glPopMatrix();
}