// Playing with Processing...
// Pixel-based sine wave, object oriented;
// Armin H. ix-2009

float sine_phase = PI;
float periods = 4;        // how many periods per window width (will be controlled by number keys)
int incrementValue = 2;

// declare SineWave object:
SineWave sine;

void setup () {
  //size(screen.width,screen.height);
  size(400,300);
  smooth();  // anti-aliasing
  frameRate(24);  // set frame rate
  // initialize SineWave object:
  sine = new SineWave(sine_phase, periods);

  sine.init(); // initialize sine wave
  sine.display(); 
}

void draw() {
  incrementValue = int (map(mouseX, 0,width, -10,10));   // mouse X position determines sine wave
  sine.increment(incrementValue);                        // increment the array by the value passed here
  sine.display();                                         // show the wave
}

// pressing keys 1 to 0 causes sine wave's period to change:
void keyPressed() {
  switch(key) {
  case '1':
    periods = 1;
    println("1 periods/width");
    break;
  case '2':
    periods = 2;
    println("2 periods/width");
    break;
  case '3':
    periods = 3;
    println("3 periods/width");
    break;    
  case '4':
    periods = 4;
    println("4 periods/width");
    break;   
  case '5':
    periods = 5;
    println("5 periods/width");
    break;
  case '6':
    periods = 6;
    println("6 periods/width");
    break;
  case '7':
    periods = 7;
    println("7 periods/width");
    break;
  case '8':
    periods = 8;
    println("8 periods/width");
    break;
  case '9':
    periods = 9;
    println("5 periods/width");
    break;    
  case '0':
    periods = 10;
    println("10 periods/width");
    break;       
  }
  sine.init(); // initialize sine wave with new periods
}