/**
 * Bryan Corell - Project 1
 Intro to Interactivity 
 Makes use of example noiseWave mostly,
 to create a spacey, color shifting image.
 Control is given with a mouse click to shift direction,
 and the movement of the mouse around the screen
 will change colors
 */

class noiseObj{

  color myColor;
  int sliderRed,sliderGreen,sliderBlue;
  int myFrameCount;
  int randChange;
  int xspacing;   // How far apart should each horizontal location be spaced
  boolean mouseNotMoving;
  boolean hasBeenClicked;
  boolean greying;
  boolean swap; // THis is for swapping colors back and forth
  int w;              // Width of entire wave
  int y;
  float yoff;        // 2nd dimension of perlin noise
  float[] yvalues;          // Using an array to store height values for the wave (not entirely necessary)
  noiseObj(int yin)
  {
    myColor = color(int(random(100)), int(random(200)),int(random(255)));
    y = yin;
    mouseNotMoving = false;
    randChange = int(random(1,200));
    greying = false;
    myFrameCount = 0;
    hasBeenClicked = false;
    xspacing = int(random(10,30));
    yoff = 0.0f;
    w = width+16;
    yvalues = new float[w/xspacing];
    ellipseMode(CORNER); 
  }
  void getMouseMovement(boolean test){
      if(test) // Mouse is moving 
        mouseNotMoving = false;
       else
         mouseNotMoving = true;
  }
       
  void enableClick(){
    if(hasBeenClicked)
      hasBeenClicked = false;
    else
      hasBeenClicked = true;
  }
  void calcWave() {
    myFrameCount++;
    float dx = 0.05f;
    float dy = 0.01f;
    float amplitude = 100.0f;

    // Increment y ('time')
    yoff += dy;

    //float xoff = 0.0;  // Option #1
    float xoff = yoff; // Option #2

    for (int i = 0; i < yvalues.length; i++) {
      // Using 2D noise function
      //yvalues[i] = (2*noise(xoff,yoff)-1)*amplitude; // Option #1
      // Using 1D noise function
      yvalues[i] = (2*noise(xoff)-1)*amplitude;    // Option #2
      xoff+=dx;
    }

  }

  void renderWave(int vertLoc, int yIncrem) {
    // A simple way to draw the wave with an ellipse at each location
    if(myFrameCount % randChange == 0) // Every 10 seconds
    {
      randChange = int(random(175,250));
      myFrameCount = 0;
      greying = true;
      myColor = randColor2();
      swap = !swap;
    }
    noStroke();

    for (int x = 0; x < yvalues.length; x++) {
  
      if((greying && swap))
        fill(50,50,50,15);
      else
        fill(randColor(),15);
      if(mouseNotMoving)
        fill(15,15,15,15);
      /* also if the mouse has not moved more than about 100 pixels in two seconds, have it begin drawing black again*/
      
      if(hasBeenClicked)
      { 
       if(x == 0) x = 1; 
        ellipse( random((width-(x*20)),width-(x*20))+yvalues[x] , yIncrem+random(xspacing)*2 , 16, 16);  
      }
      else
        ellipse( random(vertLoc-10,vertLoc+10)+yvalues[x] , x*random(xspacing) , 16, 16);  

    }
  }// end function

  void setColor(int r, int g, int b)
  {
    myColor = color(r,g,b);
  }
  color randColor() // This function relies on mouse Input for steady results
  {
    updateSliders();
    int rT = int(random(sliderRed));
    int gT = int(random(sliderGreen));
    int bT = int(random(sliderBlue));
    color newColor = color(rT,gT,bT);
    return newColor;
  }
  void updateSliders()
  {
    sliderRed = int(random(mouseX/(mouseY+1) ));
    sliderGreen = int(random(mouseY/2))+20;
    sliderBlue = int(random(mouseX));
  }
  color randColor2() // This function on the other hand, works to purely give a random color 
  {
    int rT = int(random(175));
    int gT = int(random(255));
    int bT = int(random(200));
    color newColor = color(rT,gT,bT);
    return newColor;
  }
} // End class