Icosahedron.cpp

#include "Icosahedron.h"

Icosahedron::Icosahedron (double s)
{
        size = s;
        reciprocal_size = 1 / size;
}

Icosahedron::~Icosahedron ()
{
        // nothing to do
}

void Icosahedron::Draw ()
{
        // manual scaling needed
        glScalef (size, size, size);
        
        glColor4fv (color);
        glutSolidIcosahedron ();

        // undo scaling
        glScalef (reciprocal_size, reciprocal_size, reciprocal_size);
}

double Icosahedron::GetBoundingRadius ()
{
        return size;
}

BoundingBox Icosahedron::GetBoundingBox ()
{
        BoundingBox result;

        result.xmin = -size;
        result.xmax = size;
        result.ymin = -size;
        result.ymax = size;
        result.zmin = -size;
        result.zmax = size;

        return result;
}

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