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Line 28... Line 28...
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		centre(_centre), rad(_rad),
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		centre(_centre), rad(_rad),
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		button_down(false),
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		button_down(false),
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		spin(false)
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		spin(false)
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	{
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	{
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		float view_dist = rad/sin(FOV_RAD/2.0f);
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		float view_dist = rad/sin(FOV_RAD/2.0f);
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		ball = new TrackBall(centre, view_dist, WINX, WINY);
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		ball = new QuatTrackBall(centre, view_dist, WINX, WINY);
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		znear = view_dist - rad;
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		znear = view_dist - rad;
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		zfar  = view_dist + rad;
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		zfar  = view_dist + rad;
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		reset_projection();
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		reset_projection();
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	}
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	}
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	bool GLViewController::load(std::ifstream& ifs)
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	bool GLViewController::load(std::ifstream& ifs)
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	{
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	{
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		if(ifs)
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		if(ifs)
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			{
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			{
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				TrackBall* ball_tmp = ball;
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				QuatTrackBall* ball_tmp = ball;
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				ifs.read(reinterpret_cast<char*>(this),
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				ifs.read(reinterpret_cast<char*>(this),
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								 sizeof(GLViewController));
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								 sizeof(GLViewController));
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				ball = ball_tmp;
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				ball = ball_tmp;
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				ifs.read(reinterpret_cast<char*>(ball),sizeof(TrackBall));
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				ifs.read(reinterpret_cast<char*>(ball),sizeof(QuatTrackBall));
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				reset_projection();
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				reset_projection();
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				ball->set_screen_window(WINX, WINY);
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				ball->set_screen_window(WINX, WINY);
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				return true;
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				return true;
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			}
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			}
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		return false;
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		return false;
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	{
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	{
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		if(ofs)
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		if(ofs)
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			{
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			{
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				ofs.write(reinterpret_cast<const char*>(this),
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				ofs.write(reinterpret_cast<const char*>(this),
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									sizeof(GLViewController));
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									sizeof(GLViewController));
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				ofs.write(reinterpret_cast<const char*>(ball),sizeof(TrackBall));
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				ofs.write(reinterpret_cast<const char*>(ball),sizeof(QuatTrackBall));
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				return true;
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				return true;
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			}
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			}
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		return false;
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		return false;
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 	}
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 	}
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