[Ch15] Updated Beat box for better layout in the book (9e338936) · Commits · examples / Head First Java 3rd Edition

src/main/java/ch15/BeatBox.java

+9 −9

Changes for src/main/java/ch15/BeatBox.java: 9 added lines, 9 removed lines.
Original line number	Diff line number	Diff line
		@@ -84,7 +84,7 @@ public class BeatBox {
		frame.setVisible(true);
		}

		public void setUpMidi() {
		private void setUpMidi() {
		try {
		sequencer = MidiSystem.getSequencer();
		sequencer.open();
		@@ -97,7 +97,7 @@ public class BeatBox {
		}
		}

		public void buildTrackAndStart() {
		private void buildTrackAndStart() {
		int[] trackList;

		sequence.deleteTrack(track);
		@@ -118,17 +118,22 @@ public class BeatBox {
		track.add(makeEvent(CONTROL_CHANGE, 1, 127, 0, 16));
		}

		track.add(makeEvent(192, 9, 1, 0, 15));
		track.add(makeEvent(PROGRAM_CHANGE, 9, 1, 0, 15));
		try {
		sequencer.setSequence(sequence);
		sequencer.setLoopCount(sequencer.LOOP_CONTINUOUSLY);
		sequencer.start();
		sequencer.setTempoInBPM(120);
		sequencer.start();
		} catch (Exception e) {
		e.printStackTrace();
		}
		}

		private void changeTempo(float tempoMultiplier) {
		float tempoFactor = sequencer.getTempoFactor();
		sequencer.setTempoFactor(tempoFactor * tempoMultiplier);
		}

		private void makeTracks(int[] list) {
		for (int i = 0; i < 16; i++) {
		int key = list[i];
		@@ -140,11 +145,6 @@ public class BeatBox {
		}
		}

		private void changeTempo(float tempoMultiplier) {
		float tempoFactor = sequencer.getTempoFactor();
		sequencer.setTempoFactor(tempoFactor * tempoMultiplier);
		}

		public static MidiEvent makeEvent(int cmd, int chnl, int one, int two, int tick) {
		MidiEvent event = null;
		try {