int num = 500;
float[] posX = new float[num];//new array that stands for x position of every possible raindrop
float[] posY = new float[num];//new array that stands for y position of every possible raindrop
float[] speedX = new float[num];//new array that stands for left-right speed of every raindrop
float[] speedY = new float[num];//new array that stands for up-down speed of every raindrop
float[] dropFall = new float[num];// ''  '' stands for drop rate of each raindrop
float[] dropWidth = new float [num]; // '' '' stands for width of every created raindrop
float[] dropHeight = new float [num]; // '' '' stands for height of every created raindrop
float[] dropFill = new float [num]; // '' '' stands for opacity of created raindrop
boolean[] click = new boolean[num];//new array that adds "true" every time mouse is clicked

int counter = 1;//sets an integer variable to add to every time the mouse is pressed
int thundercounter = 0;
int thunder = 0;
int lightning = 0;
int shake = 0;
float y;

//sound library load
import krister.Ess.*;
//creating new audio channels for each sound to be used in the program
AudioChannel myChannel;
AudioChannel myChannel1;
AudioChannel myChannel2;
AudioChannel myChannel3;
AudioChannel myChannel4;
AudioChannel myChannel5;
AudioChannel myChannel6;
AudioChannel myChannel7;
AudioChannel myChannel8;
AudioChannel myChannel9;
AudioChannel myChannel10;
AudioChannel myChannel11;

//creating placeholders for the picture files to be used in the program
PImage a;
PImage b;

void setup() {
  frameRate(60);
  size (600, 400);//sets size of viewing window to 600 pixels wide & 400 pixels tall
  background (0, 0, 255);//sets background color to blue
  a = loadImage("Vectoraindrop.gif");//loads the picture to be used for the raindrops
  b = loadImage("AD305_Assignment1_Background.jpg");//loads the background image for the program
  image (b, 0, 0);//displays the background image
  noStroke ();
  smooth ();//removes jagged edges from the raindrops
  fill (51, 160, 255); //sets raindrop color to aqua
  for (int i = 0; i<num; i++){
    posX[i] = 10000; //sets the x position of every created raindrop out of viewing window
    dropWidth[i] = random (6, 12);
    dropFill[i] = 255;
  }
  //start up Ess
  Ess.start(this);
  //load "bass_synth_test.wav" into a new AudioChannel
  myChannel=new AudioChannel ("AD305_Song.mp3");
  myChannel1=new AudioChannel ("AD305_Sounds1.mp3");
  myChannel2=new AudioChannel ("AD305_Sounds2.mp3");
  myChannel3=new AudioChannel ("AD305_Sounds3.mp3");
  myChannel4=new AudioChannel ("AD305_Sounds4.mp3");
  myChannel5=new AudioChannel ("AD305_Sounds5.mp3");
  myChannel6=new AudioChannel ("AD305_Sounds6.mp3");
  myChannel7=new AudioChannel ("AD305_Sounds7.mp3");
  myChannel8=new AudioChannel ("AD305_Sounds8.mp3");
  myChannel9=new AudioChannel ("AD305_Sounds9.mp3");
  myChannel10=new AudioChannel ("AD305_Sounds10.mp3");
  myChannel11=new AudioChannel ("AD305_Thunder.mp3");
  
  myChannel.play(Ess.FOREVER);
}

void draw() {
  shake = int(random(-10, 10));
  lightning = int(random(75, 255));
  tint (255, 255, 255);
  image (b, 0, 0);
  tint (255, 255, 255, 25);
  image (b, 0, shake);
  tint (255, 255, 255);
  if (thundercounter >= 10) {
    if (thunder >= 0 && thunder <= 10){
      thunder = thunder + 1;
      tint (lightning, 0, 0);
      image (b, 0, 0); 
      if (thunder >= 6 && thunder <= 8) {
        tint (lightning, 0, 0);
        image (b, 0, 0);
      }
      if (thunder >= 10){
        thunder = 0;
        thundercounter = 0;
      }
    }
  }
  for (int i = 0; i<num; i++){
    fill (51, 160, 25);
    image (a, posX[i], posY[i], dropWidth[i], dropWidth[i]);
    posY[i]+= speedY[i];
    image (a, posX[i], posY[i], dropWidth[i], dropWidth[i]);
    if (dropWidth[counter-1] > 30) {
      speedY[counter-1] = 5;
    }
    if (abs(posX[i]-(mouseX-dropWidth[counter])) <= 10 && abs(posY[i]-(mouseY-dropWidth[counter])) <= 10){
      if (mousePressed == true){
        dropWidth[i] += 1; //adds to the radius of the circle as the mouse button is pressed
        if (dropWidth[i] > 30){
          speedY[i] = 5;
          
        }
      }
    }
   if (speedY[counter-1]==5 && (abs(posY[counter-1]-posY[i])<10) && (abs(posX[counter-1]-posX[i])<30)){
     if (posX[counter-1]-posX[i] < -10){
       speedY[i]=0;
     }
     if (posX[counter-1]-posX[i] < 0 && posX[counter-1]-posX[i]> -10){
       speedY[i]=5;
     }
     if (posX[counter-1]-posX[i] > 0 && posX[counter-1]-posX[i]< 10){
       posX[i]=posX[i]+15;
       speedY[i]=5;
     }
     if (posX[counter-1]-posX[i] > -20 && posX[counter-1]-posX[i] < -40){
       posX[i]=posX[i]-10;
       speedY[i]=5;
     }
     if (posX[counter-1]-posX[i] < -10 && posX[counter-1]-posX[i]> -30){
       posX[i]=posX[i]-5;
       speedY[i]=5;
     }
    }
  }
}

void mousePressed () {
  //start the sound
  if (mouseX < 60){
    myChannel1.play(1);
  }
  if (mouseX > 60 && mouseX < 120){
    myChannel2.play(1);
  }
  if (mouseX > 120 && mouseX < 180){
    myChannel3.play(1);
  }
  if (mouseX > 180 && mouseX < 240){
    myChannel4.play(1);
  }
  if (mouseX > 240 && mouseX < 300){
    myChannel5.play(1);
  }
  if (mouseX > 300 && mouseX < 360){
    myChannel6.play(1);
  }
  if (mouseX > 360 && mouseX < 420){
    myChannel7.play(1);
  }
  if (mouseX > 420 && mouseX < 480){
    myChannel8.play(1);
  }
  if (mouseX > 480 && mouseX < 540){
    myChannel9.play(1);
  }
  if (mouseX > 540 && mouseX < 600){
    myChannel10.play(1);
  }
  dropWidth[counter] = random (6, 12);
  posX[counter] = mouseX-dropWidth[counter];//sets the position of specified raindrop to the x co-ordinate of mouse
  posY[counter] = mouseY-dropWidth[counter];//sets the position of specified raindrop to the y co-ordinate of mouse

if (thundercounter<=10){
  thundercounter++;
  if (thundercounter == 10) {
     myChannel11.play(1);
  }
}else{
  thundercounter = 0;
}
  counter++;//adds one to the variable "counter" every time the mouse button is pressed
  println(thundercounter);
}

public void stop() {
Ess.stop();
super.stop();
}