samer@0: /*
samer@0:  *	Copyright (c) 2000, Samer Abdallah, King's College London.
samer@0:  *	All rights reserved.
samer@0:  *
samer@0:  *	This software is provided AS iS and WITHOUT ANY WARRANTY; 
samer@0:  *	without even the implied warranty of MERCHANTABILITY or 
samer@0:  *	FITNESS FOR A PARTICULAR PURPOSE.
samer@0:  */
samer@0: 
samer@0: package samer.midi;
samer@0: import samer.maths.*;
samer@0: import javax.sound.midi.*;
samer@0: 
samer@0: /**
samer@0: 	When element crosses threshold upwards:	note on
samer@0: 	When element drops below threshold:			note off
samer@0: 	While element remains above threshold		adjust velocity
samer@0:   */
samer@0: 
samer@0: public class MidiWithAftertouch extends MidiSynth
samer@0: {
samer@0: 	protected boolean		[] states;
samer@0: 
samer@0: 	public MidiWithAftertouch(VVector input)
samer@0: 	{
samer@0: 		super(input);
samer@0: 
samer@0: 		states= new boolean[n];
samer@0: 		for (int i=0; i<n; i++) states[i]=false;
samer@0: 	}
samer@0: 
samer@0: 	public void run()
samer@0: 	{
samer@0: 		for (int i=0; i<n; i++) {
samer@0: 			if (x[i]>0) {
samer@0: 				int vel=mapVelocity(x[i]);
samer@0: 				if (!states[i]) {
samer@0: 					cc[chans[i]].noteOn(nnums[i]+offset.value,vel);
samer@0: 					states[i]=true;
samer@0: 				} else {
samer@0: 					// note is still on - adjust pressure--not working
samer@0: 					cc[chans[i]].setPolyPressure(nnums[i]+offset.value,vel);
samer@0: 				}
samer@0: 			} else if (states[i]) { // note is on but now below thresh
samer@0: 				if (!pedal.value) cc[chans[i]].noteOff(nnums[i]+offset.value, 0);
samer@0: 				states[i]=false;
samer@0: 			}
samer@0: 		}
samer@0: 	}
samer@0: }