/*
 * ----------------------------------------------------------------------
 * Sphere.cpp : Sphere class
 *
 * ======================================================================
 *  AUTHOR:  Wei Qiao <qiaow@purdue.edu>
 *           Purdue Rendering and Perceptualization Lab (PURPL)
 *
 *  Copyright (c) 2004-2006  Purdue Research Foundation
 *
 *  See the file "license.terms" for information on usage and
 *  redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 * ======================================================================
 */

#include "Sphere.h"
#include <stdio.h>

Sphere::Sphere(float x, float y, float z, 
               float r, float g, float b,
               float _radius,
               int _stack,
               int _slice):
    Renderable(Vector3(x, y, z)),
    radius(_radius),
    color(Color(r,g,b)),
    stack(_stack),
    slice(_slice)
{ 
    boundary = BoundBox(x-r, y-r, z-r, x+r, y+r, z+r);
}

Sphere::~Sphere() {
    /*empty*/
}

void 
Sphere::render()
{
    /*empty*/
}

void 
Sphere::draw(GLUquadric* quad)
{
    glColor3f(color.R, color.G, color.B);
    
    glMatrixMode(GL_MODELVIEW);
    glPushMatrix();
    glTranslatef(location.x, location.y, location.z);
    
    //draw it
    gluSphere(quad, radius, stack, slice);
    
    glPopMatrix();
}

void 
Sphere::set_horizontal_res(int _slice) {
    slice=_slice;
}

void 
Sphere::set_vertical_res(int _stack) {
    stack=_stack;
}