public void step() {
Camera cam = cameras.get(0);
cam.activate();
cam.setColor(Color.black);
tree.display(50, 90, cam, spread, levelHeight);
// -------------------------------------------------
cam = cameras.get(1);
cam.activate();
if (state.equals("add")) {
cam.setColor(Color.black);
cam.drawText(">>> " + stringToAdd, 5, 2);
}
}
public void keyPressed(KeyEvent e) {
int code = e.getKeyCode();
Camera cam = cameras.get(0);
if (state.equals("regular")) {
if (code == KeyEvent.VK_L) {
cam.shiftRegion(0.25, 0);
} else if (code == KeyEvent.VK_R) {
cam.shiftRegion(-0.25, 0);
} else if (code == KeyEvent.VK_U) {
cam.shiftRegion(0, -0.25);
} else if (code == KeyEvent.VK_D) {
cam.shiftRegion(0, 0.25);
} else if (code == KeyEvent.VK_S) {
cam.scaleRegion(1.1, 1.1);
} else if (code == KeyEvent.VK_B) {
cam.scaleRegion(1 / 1.1, 1 / 1.1);
} else if (code == KeyEvent.VK_W) {
spread *= 1.1;
} else if (code == KeyEvent.VK_N) {
spread /= 1.1;
} else if (code == KeyEvent.VK_H) {
cam.setRegion(0, 100, 0, 100);
}
} // regular state
else if (state.equals("add")) {
if (code == KeyEvent.VK_ENTER) {
state = "regular";
if (!stringToAdd.equals("")) tree.add(stringToAdd);
} else if (code == KeyEvent.VK_DELETE || code == KeyEvent.VK_BACK_SPACE) {
if (stringToAdd.length() > 0)
stringToAdd = stringToAdd.substring(0, stringToAdd.length() - 1);
}
} // add state
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == updateButton) {
camera.zoom = Integer.parseInt(zoomField.getText());
}
}