/**
 * ChaoticFunctionGenerator creates ChaoticFunctions.
 * 
 * @author Ben Garrison bdg@cc.gatech.edu
 * @version 1.0
 */
public class ChaoticFunctionGenerator
{
	
	/**
	 * Creates an object that implements ChaoticFunction, and returns it.
	 * 
	 * @param num the number corresponding to the ChaoticFunction to generate.
	 * @return an object that implements ChaoticFunction.
	 */
	public static ChaoticFunction getFunction(int num)
	{
		if(num == 1)
		{
			return new MandlebrotSet();
		} else if(num == 2)
		{
			return new JuliaSet(-.7269,.1889);
		} else if(num == 3)
		{
			return new JuliaSet(-.391,-.587);
		} else
		{
			throw new RuntimeException("The only valid numbers you can pass into"+
			" getFunction are 1,2, or 3.");
		}
	}
}