Please Help! All Sounds in Classic are too slow now!

Something dreadful happened (wish I knew what) and now every sound that is played back by any Classic application is about 70% too slow.
No matter if it is a Classic game like Unreal (I), Deus Ex, AvP for OS9 (the OSX version works fine), or Quicktime 6, or any other given Classic application. The only sounds that appear normal are the Platinum system sounds.
I don't know which files affect Classic sound playback or where they are located. Can't imagine what could cause that particular problem.
Hope someone could help...
Many thanks in advance
M:A:
PowerMac G5 2x2 GHz Mac OS X (10.4.6) 1.5 GB RAM, standard sound card (TI-TAS3004)
PowerMac G5 2x2

Sorry, didnt get an email notification, so I just checked the thread.
Starting and quitting Garage Band actually helped!
(Imagine listening to the meaningful dialogues in "Deus Ex" spoken with Sesame Street's Cookie Monster voice. Aaaaannnd reeealllly sllloowwww. Doesn't quite capture the mood...)
Do you have an explanation why Garage Band should affect Classic sound output?
Thanks a lot,
Martin

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Please Please Help with Projectile Project Here are the Codes

I've got three(3) classes a Model, a view, and a controller.
This is a project about projectiles.it is an animation of a cannonball being fired from a cannon and travelling under the effect of gravity.A cannon fired at angle 'a' to the horizontal and with an initial speed 's', will have an initial velocity given by:
vx := s * cos(a);//velocity x equals the speed multiply by the cosine of angle a.
vy := s * sin(a);//velocity y equals the speed multiply by the sine of angle a.
Here are the code.
Model:
/** Cannon specifies the expected behaviour of a cannon*/
public class Cannon{
public static final int TICK = 60;
private int velocity = 0;
private static final double gravity = .098f;
private double angle = 0;
// distances & positions are meausred in pixels
private int x_pos; // ball's center x-position
private int y_pos; // ball's center y-position
// speed is measured in pixels per `tick'
private int x_velocity; // horizonal speed; positive is to the right
private int y_velocity; // vertical speed; positive is downwards
public Cannon() {
velocity = 3;
angle = 60;
angle = radians(angle);
x_pos = 0;
y_pos = 385;
/** shoot fires a shot from the cannon*/
public void shoot(){
move();
/**reload reloads the cannon with more shorts*/
public void reload() {
/** changeAngle changes the angle of the canon
* @params value - the amount to add or subtract from the current angle value*/
public void changeAngle(double value) {
angle = (double)value;
angle = radians(angle);
/** getAngle returns the current angle value of the cannon*/
public double getAngle() {
return angle;
/** changeVelocity changes the speed at which a cannon ball that is to be fire will travel at
* @params value - the new speed at which the user wants a cannon ball to travel at.*/
public void changeVelocityX(int value){
x_velocity = x_velocity * (int)Math.cos(value);
public void changeVelocityY(int value){
y_velocity = y_velocity * (int)Math.sin(value);
/** getVelocity returns the current velocity value of the cannon*/
public int getVelocityX() {
return x_velocity;
public int getVelocityY() {
return y_velocity;
/** getGravity returns the current gravity value of the cannon*/
public double getGravity() {
return gravity;
public int xPosition(){
return x_pos;
public int yPosition(){
return y_pos;
public void move(){
double dx = getVelocityX() * Math.cos(getAngle());
double dy = getVelocityY() * Math.sin(getAngle());
x_pos+=dx;
y_pos-=dy;
double radians (double angle){
return ((Math.PI * angle) / 180.0);
View:
import java.awt.*;
import javax.swing.*;
/** CannonView displays a cannon being fired.*/
public class CannonView extends JPanel{
/** DISPLAY_SIZE specifies the overall display area of the cannon and the bucket.*/
public static final int DISPLAY_AREA_SIZE = 600;
public RotatablePolygon rectangle;
public RotatablePolygon triangle;
public Cannon cannon;
public CannonView(Cannon c) {
this.setPreferredSize(new Dimension(600,450));
this.setBackground(Color.black);
cannon = c;
int xRectangle[] = {0,0,40,40,0};
int yRectangle[] = {400,300,300,400,400};
int xTriangle[] = {0,20,40,0};
int yTriangle[] = {300,280,300,300};
rectangle = new RotatablePolygon (xRectangle, yRectangle, 5,20,350);
// rectangle.setPosition (100, 100);
// triangle = new RotatablePolygon (xTriangle, yTriangle, 4,0,290);
triangle = new RotatablePolygon (xTriangle, yTriangle, 4,20,350);
//triangle.setPosition (100, 100);
JFrame frame = new JFrame();
frame.getContentPane().add(this);
frame.pack();
frame.setVisible(true);
frame.setTitle("Width = " + frame.getWidth() + " , Height = " + frame.getHeight());
/** drawBucket draws a bucket/target for which a moving cannon ball should hit.
* @param g - the graphics pen for which the drawing should occur.*/
public void drawBucket(Graphics g) {
g.setColor(Color.red);
int xvalues[] = {495, 519, 575, 595, 495};
int yvalues[] = {340, 400, 400, 340, 340};
Polygon poly1 = new Polygon (xvalues, yvalues, 5);
g.fillPolygon(poly1);
g.setColor(Color.white);
g.fillOval(495, 328, 100, 24);
Graphics2D g2d = (Graphics2D)g;
g2d.setStroke(new BasicStroke(2));
g.setColor(Color.red);
g.drawOval(495, 328, 100, 24);
g.drawOval(495,311,100,54);
/** drawCannon draws a cannon
* @param g - the graphics pen that will be used to draw the cannon.*/
public void drawCannon(Graphics g) {
Graphics2D g2 = (Graphics2D)g;
g.setColor(Color.red);
g2.fill(rectangle);
g.setColor(Color.orange);
g2.fill(triangle);
g.setColor(Color.blue);
g.fillOval(95, 340, 60, 60);
g.setColor(Color.magenta);
for (int i = 0; i < 6; i++){
g.fillArc(95, 340, 60, 60, i* 60, 30);
g.setColor(Color.black);
g.fillOval(117, 362, 16, 16);
/** drawCannonShots will draw the actual number of shots already used by the cannon
* @param g - the graphics pen that will be used to draw the shots of the cannon.*/
public void drawCannonShots(Graphics g) {
g.setColor(Color.orange);
g.fillOval(cannon.xPosition(),cannon.yPosition(),16,16);
/** drawTrail will draw a trail of smoke to indicate where a cannon ball has passed
* @param g - the graphics pen used to draw the trail.*/
public void drawTrail(Graphics g){}
/**drawGround draws the ground for which the cannon sits*/
public void drawGround(Graphics g) {
g.setColor(Color.green.brighter());
g.fillRect(0,400,600,50);
/** drawMovingCannonBall draw a cannon ball moving at a certain speed (velocity),
* with a certain amount of gravitational acting upon it, at a certain angle.
* @params g - the graphics pen used to draw the moving cannon ball.
* @params gravity - the value of gravity.
* @params velocity - the speed at which the ball is travelling.
* @params angle - the angle at which the ball was shot from.*/
public void drawMovingCannonBall(Graphics g, double gravity, double velocity, double angle){}
/** paintComponent paints the cannon,bucket
* @param g - graphics pen.*/
public void paintComponent(Graphics g) {
super.paintComponent(g);
drawGround(g);
drawBucket(g);
drawCannon(g);
drawCannonShots(g);
Controller
/** CannonController controls the interaction between the user and a cannon*/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class CannonController extends JFrame{
public JMenuBar jMenuBar2;
public JMenu jMenu2;
public JMenuItem jMenuItem1;
public JMenu jMenu3;
public JMenuItem jMenuItem2;
public JLabel angleLabel, velocityLabel;
public JTextField angleTextField, velocityTextField;
public JButton fireButton, reloadButton;
public JSlider angleSlider, velocitySlider;
private CannonView view;
private Cannon cannon;
int oldValue, newValue;
public CannonController(Cannon acannon) {
cannon = acannon;
view = new CannonView(cannon);
loadControls();
angleTextField.setText(String.valueOf(angleSlider.getValue()));
oldValue = angleSlider.getValue();
newValue = oldValue + 1;
velocityTextField.setText(String.valueOf(velocitySlider.getValue()));
this.setSize(328,308);
this.setLocation(view.getWidth()-this.getWidth(),0);
/** loadControl loads all of the GUI controls that a
* user of the cannon animation will use to interact with the program*/
public void loadControls() {
jMenuBar2 = new JMenuBar();
jMenu2 = new JMenu();
jMenuItem1 = new JMenuItem();
jMenu3 = new JMenu();
jMenuItem2 = new JMenuItem();
angleLabel = new JLabel();
velocityLabel = new JLabel();
angleTextField = new JTextField();
velocityTextField = new JTextField();
fireButton = new JButton();
reloadButton = new JButton();
angleSlider = new JSlider();
velocitySlider = new JSlider();
jMenuBar2.setBorderPainted(false);
jMenu2.setModel(jMenu2.getModel());
jMenu2.setText("File");
jMenuItem1.setText("Exit");
jMenuItem1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jMenuItem1ActionPerformed(evt);
jMenu2.add(jMenuItem1);
jMenuBar2.add(jMenu2);
jMenu3.setText("Help");
jMenuItem2.setText("About this Program");
jMenuItem2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jMenuItem2ActionPerformed(evt);
jMenu3.add(jMenuItem2);
jMenuBar2.add(jMenu3);
getContentPane().setLayout(null);
setTitle("Cannon Controller Form");
setResizable(false);
setMenuBar(getMenuBar());
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent evt) {
exitForm(evt);
angleLabel.setText("Angle:");
getContentPane().add(angleLabel);
angleLabel.setLocation(10, 20);
angleLabel.setSize(angleLabel.getPreferredSize());
velocityLabel.setText("Velocity:");
getContentPane().add(velocityLabel);
velocityLabel.setLocation(10, 80);
velocityLabel.setSize(velocityLabel.getPreferredSize());
angleTextField.setToolTipText("Only numeric values are allow");
getContentPane().add(angleTextField);
angleTextField.setBounds(280, 20, 30, 20);
velocityTextField.setToolTipText("Only numeric values are allow");
getContentPane().add(velocityTextField);
velocityTextField.setBounds(280, 80, 30, 20);
fireButton.setToolTipText("Click to fire a shot");
fireButton.setText("Fire");
fireButton.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
fireButtonMouseClicked(evt);
getContentPane().add(fireButton);
fireButton.setBounds(60, 160, 80, 30);
reloadButton.setToolTipText("Click to reload cannon");
reloadButton.setText("Reload");
reloadButton.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
reloadButtonMouseClicked(evt);
getContentPane().add(reloadButton);
reloadButton.setBounds(150, 160, 80, 30);
angleSlider.setMinorTickSpacing(30);
angleSlider.setPaintLabels(true);
angleSlider.setPaintTicks(true);
angleSlider.setMinimum(0);
angleSlider.setMajorTickSpacing(60);
angleSlider.setToolTipText("Change the cannon angle");
angleSlider.setMaximum(360);
angleSlider.setValue(0);
angleSlider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent evt) {
angleSliderStateChanged(evt);
getContentPane().add(angleSlider);
angleSlider.setBounds(60, 20, 210, 40);
velocitySlider.setMinorTickSpacing(5);
velocitySlider.setPaintLabels(true);
velocitySlider.setPaintTicks(true);
velocitySlider.setMinimum(1);
velocitySlider.setMajorTickSpacing(10);
velocitySlider.setToolTipText("Change the speed of the cannon ball");
velocitySlider.setMaximum(28);
velocitySlider.setValue(3);
velocitySlider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent evt) {
velocitySliderStateChanged(evt);
getContentPane().add(velocitySlider);
velocitySlider.setBounds(60, 80, 210, 50);
setJMenuBar(jMenuBar2);
pack();
private void reloadButtonMouseClicked(MouseEvent evt) {
reloadButtonClick();
private void fireButtonMouseClicked(MouseEvent evt) {
fireButtonClick();
/** firstButtonClick is the event handler that sends a message
* to the cannon class to invokes the cannon's fire method*/
public void fireButtonClick() {
// JOptionPane.showMessageDialog(null,"You click Fire");
cannon.shoot();
view.repaint();
/** reloadButtonClick is the event handler that sends a message
* to the cannon class to invokes the cannon's reload method*/
public void reloadButtonClick() {
JOptionPane.showMessageDialog(null,"reload");
private void angleSliderStateChanged(ChangeEvent evt) {
angleTextField.setText(String.valueOf(angleSlider.getValue()));
view.rectangle.setAngle(angleSlider.getValue() * (Math.PI / 180));
view.triangle.setAngle(angleSlider.getValue() * (Math.PI / 180));
cannon.changeAngle(angleSlider.getValue());
view.repaint();
private void velocitySliderStateChanged(ChangeEvent evt) {
velocityTextField.setText(String.valueOf(velocitySlider.getValue()));
cannon.changeVelocityX(velocitySlider.getValue());
private void gravitySliderStateChanged(ChangeEvent evt) {
private void jMenuItem1ActionPerformed(ActionEvent evt) {
System.exit (0);
private void jMenuItem2ActionPerformed(ActionEvent evt) {
String message = "Cannon Animation\n"+
"Based on the Logic of Projectiles";
JOptionPane.showMessageDialog(null,message,"About this program",JOptionPane.PLAIN_MESSAGE);
/** Exit the Application */
private void exitForm(WindowEvent evt) {
System.exit (0);
/** Pause execution for t milliseconds. */
private void delay (int t) {
try {
Thread.sleep (t);
} catch (InterruptedException e) {}
public static void main(String [] args){
Cannon cn = new Cannon();
CannonController control = new CannonController(cn);
control.setTitle("Test");
control.setVisible(true);
if the cannon ball land in the bucket it should stop and the animation should indicate a 'hit' in some way. maybe by displaying a message.
if the cannonball hits the outside of the bucket it should bounce off.
Extra Notes.
1) The acceleration due to gravity is 9.8m/s to the (power of (2) eg s2.
2) The distance travelled in time t by a body with initial velocity v under constant acceleration a is:
v * t + a * t.pow(2) div 2;
The velocity at the end of time t will be v + a * t.
Distance is measure in pixels rather than meter so for simplicity we use 1 pixel per meter
When i pressed the fire button nothings happens. I'm going crazy. Please please help!

Here is the interface specification for the RotatablePolygon class. I do not have the actual .java source.
Thanks
Class RotatablePolygon
java.lang.Object
|
--java.awt.geom.Area
|
--RotatablePolygon
All Implemented Interfaces:
java.lang.Cloneable, java.awt.Shape
public class RotatablePolygon
extends java.awt.geom.Area
Polygons which can be rotated around an `anchor' point and also translated (moved in the x and y directions).
Constructor Summary
RotatablePolygon(int[] xs, int[] ys, int n, double x, double y)
Create a new RotatablePolyogon with given vertices and anchor point (x,y).
Method Summary
double getAngle()
The current angle of rotation.
double getXanchor()
x-coordinate of the anchor point.
double getYanchor()
y-coordinate of the anchor point.
void rotate(double da)
Rotate the polygon from its current position by angle da (in radians) around the anchor.
void rotateDegrees(double da)
Rotate the polygon from its current position by angle da (in degrees) around the anchor.
void setAngle(double a)
Set the angle of rotation of the polygon to be angle a (in radians) around the anchor.
void setAngleDegrees(double a)
Set the angle of rotation of the polygon to be angle a (in degrees) around the anchor.
void setPosition(double x, double y)
Shift the polygon's position to put its anchor point at (x,y).
void translate(double dx, double dy)
Shift the polygon's position and anchor point by given amounts.
Methods inherited from class java.awt.geom.Area
add, clone, contains, contains, contains, contains, createTransformedArea, equals, exclusiveOr, getBounds, getBounds2D, getPathIterator, getPathIterator, intersect, intersects, intersects, isEmpty, isPolygonal, isRectangular, isSingular, reset, subtract, transform
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Constructor Detail
RotatablePolygon
public RotatablePolygon(int[] xs,
int[] ys,
int n,
double x,
double y)
Create a new RotatablePolyogon with given vertices and anchor point (x,y).
REQUIRE: xs.length >= n && ys.length >= n
Parameters:
xs - x-coordinates of vertices
ys - y-coordinates of vertices
n - number of vertices
x - x-coordinate of the rotation anchor
y - y-coordinate of the rotation anchor
Method Detail
setPosition
public void setPosition(double x,
double y)
Shift the polygon's position to put its anchor point at (x,y).
Parameters:
x - new x-coordinate for anchor point
y - new y-coordinate for anchor point
translate
public void translate(double dx,
double dy)
Shift the polygon's position and anchor point by given amounts.
Parameters:
dx - amount to shift by in x-direction
dy - amount to shift by in y-direction
setAngle
public void setAngle(double a)
Set the angle of rotation of the polygon to be angle a (in radians) around the anchor.
Parameters:
a - angle to rotate to, in radians
setAngleDegrees
public void setAngleDegrees(double a)
Set the angle of rotation of the polygon to be angle a (in degrees) around the anchor.
Parameters:
a - angle to rotate to, in degrees
rotate
public void rotate(double da)
Rotate the polygon from its current position by angle da (in radians) around the anchor.
Parameters:
da - angle to rotate by, in radians
rotateDegrees
public void rotateDegrees(double da)
Rotate the polygon from its current position by angle da (in degrees) around the anchor.
Parameters:
da - angle to rotate by, in degrees
getAngle
public double getAngle()
The current angle of rotation.
getXanchor
public double getXanchor()
x-coordinate of the anchor point.
getYanchor
public double getYanchor()
y-coordinate of the anchor point.

Please Help with Physics Project Here are the codings

I've got three(3) classes a Model, a view, and a controller.
This is a project about projectiles.it is an animation of a cannonball being fired from a cannon and travelling under the effect of gravity.A cannon fired at angle 'a' to the horizontal and with an initial speed 's', will have an initial velocity given by:
vx := s * cos(a);//velocity x equals the speed multiply by the cosine of angle a.
vy := s * sin(a);//velocity y equals the speed multiply by the sine of angle a.
Here are the code.
Model:
/** Cannon specifies the expected behaviour of a cannon*/
public class Cannon{
public static final int TICK = 60;
private int velocity = 0;
private static final double gravity = .098f;
private double angle = 0;
// distances & positions are meausred in pixels
private int x_pos; // ball's center x-position
private int y_pos; // ball's center y-position
// speed is measured in pixels per `tick'
private int x_velocity; // horizonal speed; positive is to the right
private int y_velocity; // vertical speed; positive is downwards
public Cannon() {
velocity = 3;
angle = 60;
angle = radians(angle);
x_pos = 0;
y_pos = 385;
/** shoot fires a shot from the cannon*/
public void shoot(){
move();
/**reload reloads the cannon with more shorts*/
public void reload() {
/** changeAngle changes the angle of the canon
* @params value - the amount to add or subtract from the current angle value*/
public void changeAngle(double value) {
angle = (double)value;
angle = radians(angle);
/** getAngle returns the current angle value of the cannon*/
public double getAngle() {
return angle;
/** changeVelocity changes the speed at which a cannon ball that is to be fire will travel at
* @params value - the new speed at which the user wants a cannon ball to travel at.*/
public void changeVelocityX(int value){
x_velocity = x_velocity * (int)Math.cos(value);
public void changeVelocityY(int value){
y_velocity = y_velocity * (int)Math.sin(value);
/** getVelocity returns the current velocity value of the cannon*/
public int getVelocityX() {
return x_velocity;
public int getVelocityY() {
return y_velocity;
/** getGravity returns the current gravity value of the cannon*/
public double getGravity() {
return gravity;
public int xPosition(){
return x_pos;
public int yPosition(){
return y_pos;
public void move(){
double dx = getVelocityX() * Math.cos(getAngle());
double dy = getVelocityY() * Math.sin(getAngle());
x_pos+=dx;
y_pos-=dy;
double radians (double angle){
return ((Math.PI * angle) / 180.0);
View:
import java.awt.*;
import javax.swing.*;
/** CannonView displays a cannon being fired.*/
public class CannonView extends JPanel{
/** DISPLAY_SIZE specifies the overall display area of the cannon and the bucket.*/
public static final int DISPLAY_AREA_SIZE = 600;
public RotatablePolygon rectangle;
public RotatablePolygon triangle;
public Cannon cannon;
public CannonView(Cannon c) {
this.setPreferredSize(new Dimension(600,450));
this.setBackground(Color.black);
cannon = c;
int xRectangle[] = {0,0,40,40,0};
int yRectangle[] = {400,300,300,400,400};
int xTriangle[] = {0,20,40,0};
int yTriangle[] = {300,280,300,300};
rectangle = new RotatablePolygon (xRectangle, yRectangle, 5,20,350);
// rectangle.setPosition (100, 100);
// triangle = new RotatablePolygon (xTriangle, yTriangle, 4,0,290);
triangle = new RotatablePolygon (xTriangle, yTriangle, 4,20,350);
//triangle.setPosition (100, 100);
JFrame frame = new JFrame();
frame.getContentPane().add(this);
frame.pack();
frame.setVisible(true);
frame.setTitle("Width = " + frame.getWidth() + " , Height = " + frame.getHeight());
/** drawBucket draws a bucket/target for which a moving cannon ball should hit.
* @param g - the graphics pen for which the drawing should occur.*/
public void drawBucket(Graphics g) {
g.setColor(Color.red);
int xvalues[] = {495, 519, 575, 595, 495};
int yvalues[] = {340, 400, 400, 340, 340};
Polygon poly1 = new Polygon (xvalues, yvalues, 5);
g.fillPolygon(poly1);
g.setColor(Color.white);
g.fillOval(495, 328, 100, 24);
Graphics2D g2d = (Graphics2D)g;
g2d.setStroke(new BasicStroke(2));
g.setColor(Color.red);
g.drawOval(495, 328, 100, 24);
g.drawOval(495,311,100,54);
/** drawCannon draws a cannon
* @param g - the graphics pen that will be used to draw the cannon.*/
public void drawCannon(Graphics g) {
Graphics2D g2 = (Graphics2D)g;
g.setColor(Color.red);
g2.fill(rectangle);
g.setColor(Color.orange);
g2.fill(triangle);
g.setColor(Color.blue);
g.fillOval(95, 340, 60, 60);
g.setColor(Color.magenta);
for (int i = 0; i < 6; i++){
g.fillArc(95, 340, 60, 60, i* 60, 30);
g.setColor(Color.black);
g.fillOval(117, 362, 16, 16);
/** drawCannonShots will draw the actual number of shots already used by the cannon
* @param g - the graphics pen that will be used to draw the shots of the cannon.*/
public void drawCannonShots(Graphics g) {
g.setColor(Color.orange);
g.fillOval(cannon.xPosition(),cannon.yPosition(),16,16);
/** drawTrail will draw a trail of smoke to indicate where a cannon ball has passed
* @param g - the graphics pen used to draw the trail.*/
public void drawTrail(Graphics g){}
/**drawGround draws the ground for which the cannon sits*/
public void drawGround(Graphics g) {
g.setColor(Color.green.brighter());
g.fillRect(0,400,600,50);
/** drawMovingCannonBall draw a cannon ball moving at a certain speed (velocity),
* with a certain amount of gravitational acting upon it, at a certain angle.
* @params g - the graphics pen used to draw the moving cannon ball.
* @params gravity - the value of gravity.
* @params velocity - the speed at which the ball is travelling.
* @params angle - the angle at which the ball was shot from.*/
public void drawMovingCannonBall(Graphics g, double gravity, double velocity, double angle){}
/** paintComponent paints the cannon,bucket
* @param g - graphics pen.*/
public void paintComponent(Graphics g) {
super.paintComponent(g);
drawGround(g);
drawBucket(g);
drawCannon(g);
drawCannonShots(g);
Controller
/** CannonController controls the interaction between the user and a cannon*/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class CannonController extends JFrame{
public JMenuBar jMenuBar2;
public JMenu jMenu2;
public JMenuItem jMenuItem1;
public JMenu jMenu3;
public JMenuItem jMenuItem2;
public JLabel angleLabel, velocityLabel;
public JTextField angleTextField, velocityTextField;
public JButton fireButton, reloadButton;
public JSlider angleSlider, velocitySlider;
private CannonView view;
private Cannon cannon;
int oldValue, newValue;
public CannonController(Cannon acannon) {
cannon = acannon;
view = new CannonView(cannon);
loadControls();
angleTextField.setText(String.valueOf(angleSlider.getValue()));
oldValue = angleSlider.getValue();
newValue = oldValue + 1;
velocityTextField.setText(String.valueOf(velocitySlider.getValue()));
this.setSize(328,308);
this.setLocation(view.getWidth()-this.getWidth(),0);
/** loadControl loads all of the GUI controls that a
* user of the cannon animation will use to interact with the program*/
public void loadControls() {
jMenuBar2 = new JMenuBar();
jMenu2 = new JMenu();
jMenuItem1 = new JMenuItem();
jMenu3 = new JMenu();
jMenuItem2 = new JMenuItem();
angleLabel = new JLabel();
velocityLabel = new JLabel();
angleTextField = new JTextField();
velocityTextField = new JTextField();
fireButton = new JButton();
reloadButton = new JButton();
angleSlider = new JSlider();
velocitySlider = new JSlider();
jMenuBar2.setBorderPainted(false);
jMenu2.setModel(jMenu2.getModel());
jMenu2.setText("File");
jMenuItem1.setText("Exit");
jMenuItem1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jMenuItem1ActionPerformed(evt);
jMenu2.add(jMenuItem1);
jMenuBar2.add(jMenu2);
jMenu3.setText("Help");
jMenuItem2.setText("About this Program");
jMenuItem2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jMenuItem2ActionPerformed(evt);
jMenu3.add(jMenuItem2);
jMenuBar2.add(jMenu3);
getContentPane().setLayout(null);
setTitle("Cannon Controller Form");
setResizable(false);
setMenuBar(getMenuBar());
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent evt) {
exitForm(evt);
angleLabel.setText("Angle:");
getContentPane().add(angleLabel);
angleLabel.setLocation(10, 20);
angleLabel.setSize(angleLabel.getPreferredSize());
velocityLabel.setText("Velocity:");
getContentPane().add(velocityLabel);
velocityLabel.setLocation(10, 80);
velocityLabel.setSize(velocityLabel.getPreferredSize());
angleTextField.setToolTipText("Only numeric values are allow");
getContentPane().add(angleTextField);
angleTextField.setBounds(280, 20, 30, 20);
velocityTextField.setToolTipText("Only numeric values are allow");
getContentPane().add(velocityTextField);
velocityTextField.setBounds(280, 80, 30, 20);
fireButton.setToolTipText("Click to fire a shot");
fireButton.setText("Fire");
fireButton.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
fireButtonMouseClicked(evt);
getContentPane().add(fireButton);
fireButton.setBounds(60, 160, 80, 30);
reloadButton.setToolTipText("Click to reload cannon");
reloadButton.setText("Reload");
reloadButton.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
reloadButtonMouseClicked(evt);
getContentPane().add(reloadButton);
reloadButton.setBounds(150, 160, 80, 30);
angleSlider.setMinorTickSpacing(30);
angleSlider.setPaintLabels(true);
angleSlider.setPaintTicks(true);
angleSlider.setMinimum(0);
angleSlider.setMajorTickSpacing(60);
angleSlider.setToolTipText("Change the cannon angle");
angleSlider.setMaximum(360);
angleSlider.setValue(0);
angleSlider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent evt) {
angleSliderStateChanged(evt);
getContentPane().add(angleSlider);
angleSlider.setBounds(60, 20, 210, 40);
velocitySlider.setMinorTickSpacing(5);
velocitySlider.setPaintLabels(true);
velocitySlider.setPaintTicks(true);
velocitySlider.setMinimum(1);
velocitySlider.setMajorTickSpacing(10);
velocitySlider.setToolTipText("Change the speed of the cannon ball");
velocitySlider.setMaximum(28);
velocitySlider.setValue(3);
velocitySlider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent evt) {
velocitySliderStateChanged(evt);
getContentPane().add(velocitySlider);
velocitySlider.setBounds(60, 80, 210, 50);
setJMenuBar(jMenuBar2);
pack();
private void reloadButtonMouseClicked(MouseEvent evt) {
reloadButtonClick();
private void fireButtonMouseClicked(MouseEvent evt) {
fireButtonClick();
/** firstButtonClick is the event handler that sends a message
* to the cannon class to invokes the cannon's fire method*/
public void fireButtonClick() {
// JOptionPane.showMessageDialog(null,"You click Fire");
cannon.shoot();
view.repaint();
/** reloadButtonClick is the event handler that sends a message
* to the cannon class to invokes the cannon's reload method*/
public void reloadButtonClick() {
JOptionPane.showMessageDialog(null,"reload");
private void angleSliderStateChanged(ChangeEvent evt) {
angleTextField.setText(String.valueOf(angleSlider.getValue()));
view.rectangle.setAngle(angleSlider.getValue() * (Math.PI / 180));
view.triangle.setAngle(angleSlider.getValue() * (Math.PI / 180));
cannon.changeAngle(angleSlider.getValue());
view.repaint();
private void velocitySliderStateChanged(ChangeEvent evt) {
velocityTextField.setText(String.valueOf(velocitySlider.getValue()));
cannon.changeVelocityX(velocitySlider.getValue());
private void gravitySliderStateChanged(ChangeEvent evt) {
private void jMenuItem1ActionPerformed(ActionEvent evt) {
System.exit (0);
private void jMenuItem2ActionPerformed(ActionEvent evt) {
String message = "Cannon Animation\n"+
"Based on the Logic of Projectiles";
JOptionPane.showMessageDialog(null,message,"About this program",JOptionPane.PLAIN_MESSAGE);
/** Exit the Application */
private void exitForm(WindowEvent evt) {
System.exit (0);
/** Pause execution for t milliseconds. */
private void delay (int t) {
try {
Thread.sleep (t);
} catch (InterruptedException e) {}
public static void main(String [] args){
Cannon cn = new Cannon();
CannonController control = new CannonController(cn);
control.setTitle("Test");
control.setVisible(true);
if the cannon ball land in the bucket it should stop and the animation should indicate a 'hit' in some way. maybe by displaying a message.
if the cannonball hits the outside of the bucket it should bounce off.
Extra Notes.
1) The acceleration due to gravity is 9.8m/s to the (power of (2) eg s2.
2) The distance travelled in time t by a body with initial velocity v under constant acceleration a is:
v * t + a * t.pow(2) div 2;
The velocity at the end of time t will be v + a * t.
Distance is measure in pixels rather than meter so for simplicity we use 1 pixel per meter
When i pressed the fire button nothings happens. I'm going crazy. Please please help!

Hi,
U put something on forum and keeping silence.If it is not necessary dont put in forum.I moved your cannon ball.If u want continous movement I need some more information.
Johnson

HELP, All I can see are thumbrpints from my camera download...

I downloaded pictures from my camera and made sure there were there. The next time I went to look at them all it would pull up were the thumbprints, it would not open up the picture in iphoto. I may have updated my iphot software in the mean time...please help these pictures are very special and the only memories I have of a very special day.
Thanks!

bloom
I downloaded pictures from my camera and made sure there were there
Where? In iPhoto?
it would not open up the picture in iphoto
Did you get an exclamation point !?
If so, did you change anything in the iPhoto Library Folder? The exclamation point means that iPhoto has lost the lonk between the thumbnail and the file to which it refers.
The most common cause of the exclamation point is the User changing something in the iPhoto Library Folder. It is strongly advised that you do not move, change or in anyway alter things in the iPhoto Library Folder as this can cause the application to fail and even lead to data loss.
If you have not changed anything in the iPhoto Library Folder then try rebuild the iPhoto Library. To do this, hold down the Apple and Option keys when opening iPhoto and the resulting dialogue will give you the opportunity to rebuild the Library.
In the meantime, have a look into the iPhoto Library Folder at Home/Pictures/iPhoto Library Folder. In there you will see a folder called Originals. Are your pics in there?
Post back with your results.
Regards
TD

Help! My score notes are too long

Hello. Does anybody have a simple solution? I need to make scores of some songs. The problem is this: even though the piano roll shows all the notes in their actual length, the score shows the last notes always much longer - as long as there is room. Only way to fix this seems to be putting in tens of "pause" signs, or whatever those are called. Is there any way to get the score show the lengths correctly, as they are in the piano roll?
Please help!
Larry

I wonder what a "pause sign" is a reference to...
There are a number of associated issues here, and I'm not expert enough to walk you through them all. The score only gives an approximation, but there are a number of options used in the score editor that can help with this including the buttons with the words "Interpretation", "Syncopation" and "No Overlap".
But recently I've addressed the vast bulk of my midi-to-score problems in the piano roll selectively applying quantize and particularly this one: Functions > Note Events > Note Force Legato.
In your case you seem to have all the legato you want so maybe the fault likes elsewhere. You might need to look in the event editor and force notes to a certain length.
Anyway the score editor, and its results, remains the most mysterious part of Logic, apparently even for long-time users. I heartily suggest reading every scrap of the manual on the topic if this is one of your preferred modalities. I'm about to do that this week myself.
-- Gerry

New at Flash, please help! Sound On/Off Button

I'm trying to create a button that when clicked once, it plays music, and when clicked again, it stops. I don't need the button image to change at all, I just need a simple start/stop.
I've been able to make the button start the music when clicked but I've not been successful in making it stop.
I am using CS4, and have no scripting experience.
This is for a graphic arts assignment so please help!

drag your button to the stage and assign it an instance name (eg, btn). you can then use:
var sound:MP3=new MP3();
var sc:SoundChannel = sound.play();
btn.addEventListener(MouseEvent.CLICK,f);
function f(e:MouseEvent):void{
if(sc){
sc.stop();
sc=null;
} else {
sc=sound.play();

Please Help! MBP shutting off when plugged in, now not recognizing MagSafe Adapter

I started seeing this problem a few weeks ago, my MacBook Pro just shut off spontaneously while watching a video full-screen. I turned it back on and the problem went away for a while. But now, the shut-downs happen more frequently. It doesn't matter if the MBP is running off of the battery or if its running off of the AC cord, it will just shut off. No warning. No standard shut-down process, everything just stops and a balck screen shows up. After it shuts off, it takes a few seconds to get it to restart, and when it does, the computer's date and time will be reset to some date in 2000. Very strange, I've had this computer for a year and I know people with the same model that have had no such problems. The battery is at 168 cylces (I use this for school, so it was being used everyday throughout the last two semesters), and the Condition is listed as Normal in the System profiler, so I doubt the problem is with the battery, but I could be wrong. I've seen posts about the RAM/PRAM causing the date/time resets. Nevertheless, the MBP has been running normally on the battery, battery life is still the same length of time as it was when I first got the computer, and runs smoothly. Up until last night, the AC MagSafe Adapter was still working, so I only used that as the power source. Everything was fine, but the MBP shut off once or twice while it was plugged in within the last month or so, but the AC would still have a green light, indicating the computer was still recognizing the power source. Now, I can't get the MagSafe to be rocognized at all. The computer is running on battery only, and I've tried resetting the SMC, but I'm unsure if it worked since the MagSafe is still unrecognized. When its plugged in, the System Profiler says it is not connected and not charging.
I'm running on Mac OS X 10.6.8, a 2.4 GHz Intel Core 2 Duo, with a 4GB memory (of which less that half is used). Computer usage is low, so its not like I'm running several programs at once, at most, its two or three at a time, for short periods. My MBP is a 13" aluminum body, doesn't seem to be overheating, has worked fine after long periods of being on and getting hot, I always let it cool down after I feel it getting too warm.
Please help if you can! Thank you!

Battery Information:
Model Information:
Manufacturer:          DP
Device name:          bq20z451
Pack Lot Code:          0000
PCB Lot Code:          0000
Firmware Version:          0201
Hardware Revision:          0002
Cell Revision:          0164
Charge Information:
Charge remaining (mAh):          2037
Fully charged:          No
Charging:          No
Full charge capacity (mAh):          5078
Health Information:
Cycle count:          168
Condition:          Normal
Battery Installed:          Yes
Amperage (mA):          -917
Voltage (mV):          11235
System Power Settings:
AC Power:
System Sleep Timer (Minutes):          10
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          5
Wake On AC Change:          No
Wake On Clamshell Open:          Yes
Wake On LAN:          Yes
Display Sleep Uses Dim:          Yes
Battery Power:
System Sleep Timer (Minutes):          5
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          1
Wake On AC Change:          No
Wake On Clamshell Open:          Yes
Current Power Source:          Yes
Display Sleep Uses Dim:          Yes
Reduce Brightness:          Yes
Hardware Configuration:
UPS Installed:          No
AC Charger Information:
Connected:          No
Charging:          No
thanks for the quick reply~

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