javax.sound.midi.Synthesizer midiSynthesizer
javax.sound.midi.MidiChannel midiChannel
int[] whiteKeyNumber
int[] blackKeyNumber
java.awt.Rectangle[] whiteKeyRect
java.awt.Rectangle[] blackKeyRect
int volume
RectPanel.Rect[] rects
int rectCount
java.awt.Color currentColor
RectPanel.Display display
OvalSprite oval
double turtleX
double turtleY
double facing
boolean penIsUp
boolean turtleIsVisible
boolean autoRepaint
int autoDelay
java.awt.image.BufferedImage canvas
java.awt.Graphics canvasGraphics
java.util.ArrayList<E> sprites
java.util.ArrayList<E> bullets
javax.swing.Timer timer
int frameNumber