import com.cycling74.max.*;
import com.cycling74.msp.*;

public class graindrivertest001 extends MSPPerformer
{

	boolean iReverseSound = true; 	//reverse scrollspeed
	float iBaseScrollSpeed = 1.f  ;	//scrollspeed
	float runningPosition = 0.f;

	private static final String[] INLET_ASSIST = new String[]{
		"input (sig)"
	};
	private static final String[] OUTLET_ASSIST = new String[]{
		"output (sig)"
	};
	

	public graindrivertest001(float gain)
	{
		declareInlets(new int[]{SIGNAL});
		declareOutlets(new int[]{SIGNAL});

		setInletAssist(INLET_ASSIST);
		setOutletAssist(OUTLET_ASSIST);

	}
    
	public void inlet(float f)
	{
	}

	public void dspsetup(MSPSignal[] ins, MSPSignal[] outs)
	{
		//If you forget the fields of MSPSignal you can select the classname above
		//and choose Open Class Reference For Selected Class.. from the Java menu
	}

	public void perform(MSPSignal[] ins, MSPSignal[] outs)
	{
		
		int i;
		float[] in = ins[0].vec;
		float[] out = outs[0].vec;

		float currScrollSpeed = iBaseScrollSpeed;


		for(i = 0; i < in.length;i++)
		{
			if(iReverseSound)
				currScrollSpeed= -1* currScrollSpeed;
			runningPosition+=currScrollSpeed;

			out[i] =runningPosition;  	

		}
	}
}