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Rev 630 Rev 638
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    glLoadIdentity();
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    glLoadIdentity();
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    gluPerspective(FOV_DEG, aspect, znear, zfar);
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    gluPerspective(FOV_DEG, aspect, znear, zfar);
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    glMatrixMode(GL_MODELVIEW);
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    glMatrixMode(GL_MODELVIEW);
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  }
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  }
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  GLViewController::GLViewController()
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    : FOV_DEG(53),
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      WINX(500), WINY(500),
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      aspect(500/float(500)),
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      button_down(false),
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      spin(false),
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      ball(CGLA::Vec3f(0.0,0.0,0.0), 0.0, 500, 500)
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  {
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    znear = 0.01f*0.0;
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    zfar  = 3*0.0;
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    reset_projection();
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  }
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  GLViewController::GLViewController(int _WINX, int _WINY, const CGLA::Vec3f& centre, float rad)
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  GLViewController::GLViewController(int _WINX, int _WINY, const CGLA::Vec3f& centre, float rad)
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    : FOV_DEG(53),
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    : FOV_DEG(53),
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      WINX(_WINX), WINY(_WINY),
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      WINX(_WINX), WINY(_WINY),
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      aspect(WINX/float(WINY)),
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      aspect(WINX/float(WINY)),
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      button_down(false),
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      button_down(false),