/*
  With this example we'll take a look at drawing wave motion using
  sines and cosines.
  
  The Wave class does most of the work, but there is still more that
  could be done. 
*/

// We'll use one wave
Wave w;

void setup() {

    // setup the environment
    size(500, 250);
    colorMode(RGB, 255, 255, 255, 100);
    
    /*
        When we create a wave we pass it a number of parameters.
        
        Wave.SIN   -> Should the wave generator use sin or cos
        75         -> The amplitude of the wave
        8          -> Space between each point calculated for the wave
        width      -> How wide is the entire wave
        600        -> Period of the wave, the distance from one peak to the next
    */
    w = new Wave(Wave.SIN, 75, 8, width, 600);
    
}

void draw() {

    // clear the background
    background(0);
    
    // let the wave figure itself out
    w.calcWave();
    
    // Because the wave has positive and negative values, we need to center the
    // screen vertically. Ideally this would take place in the Wave class.
    translate(0, height / 2);
    
    // let the wave draw itself
    w.render();
}