private void setScale()
	{
		double max = 0;
		double[] values = {blood0, blood1, blood2, blood3, blood4};
		for(int i = 0; i < values.length; i++)
		{
			if(values[i] > max)
			{
				max = values[i];
			}
		}
		assert(max != 0);
		scale = max;
	}