5. #import quot;GraphView.hquot;
// AppDelegate class interface.
@interface AppDelegate : NSObject <UIAccelerometerDelegate>
{
IBOutlet UIWindow *window;
IBOutlet GraphView *graphView;
IBOutlet UIToolbar *toolbar;
}
@property (nonatomic, retain) UIWindow *window;
@property (nonatomic, retain) GraphView *graphView;
@property (nonatomic, retain) UIToolbar *toolbar;
- (IBAction)toggleRun:(id)sender;
- (IBAction)toggleFiltering:(id)sender;

27. #include quot;testApp.hquot;
//--------------------------------------------------------------
void testApp::setup(){
}
//--------------------------------------------------------------
void testApp::update(){
}
//--------------------------------------------------------------
void testApp::draw(){
//
ofSetColor(63, 127, 255);
//
ofCircle(ofGetWidth() / 2, ofGetHeight() / 2, 100);
}

29. #ifndef _TEST_APP
#define _TEST_APP
#include quot;ofMain.hquot;
class testApp : public ofBaseApp{
public:
void setup();
void update();
void draw();
... ( ) ...
private:
float posX, posY;
float speedX, speedY;
};
#endif

30. #include quot;testApp.hquot; void testApp::draw(){
//
void testApp::setup(){ ofSetColor(63, 127, 255);
ofBackground(0,0,0); //
posX = ofGetWidth() / 2;
posY = ofGetHeight() / 2; ofCircle(posX, posY, 100);
speedX = ofRandom(-5, 5); }
speedY = ofRandom(-5, 5);
}
void testApp::update(){
posX += speedX;
if(posX < 0 || posX >
ofGetWidth()){
speedX *= -1;
}
posY += speedY;
if(posY < 0 || posY >
ofGetHeight()){
speedY *= -1;
}
}

32. #ifndef _TEST_APP
#define _TEST_APP
#include quot;ofMain.hquot;
#define BALL_NUM 100
class testApp : public ofBaseApp{
public:
void setup();
void update();
void draw();
void keyPressed(int key);
void keyReleased(int key);
void mouseMoved(int x, int y );
void mouseDragged(int x, int y, int button);
void mousePressed(int x, int y, int button);
void mouseReleased(int x, int y, int button);
void windowResized(int w, int h);
private:
float posX[BALL_NUM], posY[BALL_NUM];
float speedX[BALL_NUM], speedY[BALL_NUM];
};
#endif

33. #include quot;testApp.hquot;
//--------------------------------------
void testApp::setup(){
ofBackground(0,0,0);
for(int i = 0; i < BALL_NUM; i++){
posX[i] = ofGetWidth() / 2;
posY[i] = ofGetHeight() / 2;
speedX[i] = ofRandom(-1, 1);
speedY[i] = ofRandom(-1, 1);
}
}
//--------------------------------------
void testApp::update(){
for(int i = 0; i < BALL_NUM; i++){
posX[i] += speedX[i];
if(posX[i] < 0 || posX[i] > ofGetWidth()){
speedX[i] *= -1;
}
posY[i] += speedY[i];
if(posY[i] < 0 || posY[i] > ofGetHeight()){
speedY[i] *= -1;
}
}
}

34. //--------------------------------------
void testApp::draw(){
for(int i = 0; i < BALL_NUM; i++){
//
ofSetColor(63, 127, 255);
//
ofCircle(posX[i], posY[i], 20);
}
}
... ( )

38. #ifndef _TEST_APP
#define _TEST_APP
#include quot;ofMain.hquot;
#define BALL_NUM 100
class testApp : public ofBaseApp{
public:
void setup();
void update();
void draw();
void keyPressed(int key);
void keyReleased(int key);
void mouseMoved(int x, int y );
void mouseDragged(int x, int y, int button);
void mousePressed(int x, int y, int button);
void mouseReleased(int x, int y, int button);
void windowResized(int w, int h);
private:
float posX[BALL_NUM], posY[BALL_NUM];
float speedX[BALL_NUM], speedY[BALL_NUM];
};
#endif

39. #include quot;testApp.hquot;
//--------------------------------------
void testApp::setup(){
ofBackground(0,0,0);
for(int i = 0; i < BALL_NUM; i++){
posX[i] = ofGetWidth() / 2;
posY[i] = ofGetHeight() / 2;
speedX[i] = ofRandom(-1, 1);
speedY[i] = ofRandom(-1, 1);
}
}
//--------------------------------------
void testApp::update(){
for(int i = 0; i < BALL_NUM; i++){
posX[i] += speedX[i];
if(posX[i] < 0 || posX[i] > ofGetWidth()){
speedX[i] *= -1;
}
posY[i] += speedY[i];
if(posY[i] < 0 || posY[i] > ofGetHeight()){
speedY[i] *= -1;
}
}
}

40. //--------------------------------------
void testApp::draw(){
for(int i = 0; i < BALL_NUM; i++){
//
ofSetColor(63, 127, 255);
//
ofCircle(posX[i], posY[i], 20);
}
}
... ( )