//music is Silk Lingerie by Ghost Data
//Start screen BG is from pixabay labeled for noncommercial reuse with modification (I recolored it to match the color palette)

import processing.sound.*;
SoundFile music;
SoundFile laser;
import interfascia.*;
GUIController c;
IFButton startButton;
IFLabel l;

PImage startBG; //Background image vaiable
boolean startbg = true; // this makes the BG image disappear after the button is pressed


//star arrays for the X, Y, and radius
int [] xLoc = {140, 100, 160, 1000, 1010, 230, 130, 40, 1040, 910, 60, 1030, 10, 930, 30, 940, 1060, 960, 900, 200, 30};
int [] yLoc = {160, 640, 10, 610, 530, 140, 100, 230, 540, 40, 600, 60, 710, 130, 510, 200, 660, 30, 630, 560, 60};
int [] radius = {20, 10, 18, 13, 6, 7, 9, 5, 8, 15, 20, 17, 14, 16, 2, 20, 19, 4, 12, 11, 20};

//using mouse fuctions example from processing so the alien can pick up and move the galaxy
float GalaxyX; //Where the galaxy X is
float GalaxyY; //Where the galaxy Y is
int circleSize = 50; //how large the initial center circle is
boolean overGalaxy = false; //if the mouse isn't over the galaxy this is false
boolean locked = false; //this keeps the galaxy still until you move it
float xOffset = 0.0;
float yOffset = 0.0;

Comet [] Comets = new Comet [10]; //how many comets spawn

void setup() {
  size (1280, 813); //size of canvas
  GalaxyX = int (random (1000)); //the galaxy X and Y will spawn at a random int
  GalaxyY = int (random (700));

  music = new SoundFile(this, "silkLingerie.wav"); //music file
  music.loop(); //the music will loop
  music.amp(.5);

  for (int num = 0; num < 10; num++) { //A loop so it will spawn comets until it reaches 10
    Comets[num] = new Comet (random(1280), random(813), 15, random(-2, 2)); //where the comets will spawn is random
  }

  c = new GUIController (this);
  startButton = new IFButton ("Start", 620, 450, 100, 40); //name on the button,X, Y, width, height
  startButton.addActionListener(this);
  c.add(startButton);
}

void draw() {
  Galaxy(); //calling galaxy function
  spaceShip(); //calling spaceship function
  Stars(); //calling star function
  for (int num = 0; num < 10; num++) { //telling the comets to spawn until they reach 10
    Comets[num].update();
  }
  startbg(); //start screen
}

void actionPerformed (GUIEvent e) {
  if (e.getSource() == startButton) {
    noCursor(); //cursor disappears once you click start
    startbg = false; //the background turns off
    laser = new SoundFile(this, "Laser_Shoot.wav"); //this sound plays
    laser.play();
    startButton.setPosition(2000, 2000); //makes the button go off screen
  }
}

void startbg() {
  if (startbg == true) { //if the boolean is true then
    textSize(60); //size of text
    startBG = loadImage ("space.jpg");//load the bg image
    background(startBG);//present the image
    fill (255, 50, 50);//text color
    text("Galaxy Mover", 500, 300);//what the text says, x position, Y position
  }
}

void Galaxy() {
  //everything for is to find out where the edge of the galaxy is so you can click it
  if (mouseX > GalaxyX - circleSize && mouseX < GalaxyX + circleSize && mouseY > GalaxyY - circleSize && mouseY < GalaxyY + circleSize) {
    overGalaxy = true; //if all the requirements above are met then you are over the galaxy
  }
  if (!locked) { //if the galaxy is not locked
    //color variables
    color Yellow2 = color (#FFD699);
    color Brown = color (#FF9999);
    color Orange = color (#F090C8);
    color Red = color (#CB8DEB);
    color Space = color (#E394A7);
//the fill and size of all the cirlces for the galaxy when mouse is not pressed
    background (Space);
    fill (Red);
    circle (GalaxyX, GalaxyY, circleSize + 400);
    fill (Orange);
    circle (GalaxyX, GalaxyY, circleSize + 250);
    fill (Brown);
    circle (GalaxyX, GalaxyY, circleSize + 100);
    fill (Yellow2);
    circle (GalaxyX, GalaxyY, circleSize);
  } else { //if it is locked
    //color variables
    color Yellow = color (#FFD699);
    color Raspberry = color (#F1C5FB);
    color Pinky = color (#E0D9FB);
    color Purple = color (#C9D6FA);
    color Space = color (#E394A7);
//the fill and size of all the cirlces for the galaxy once mouse is pressed
    background (Space);
    fill (Raspberry);
    circle (GalaxyX, GalaxyY, circleSize + 400);
    fill (Pinky);
    circle (GalaxyX, GalaxyY, circleSize + 250);
    fill (Purple);
    circle (GalaxyX, GalaxyY, circleSize + 100);
    fill (Yellow);
    circle (GalaxyX, GalaxyY, circleSize);
    overGalaxy = false; //changes over galaxy to false for movement
  }
}
//to move the galaxy around
void mousePressed() {
  if (overGalaxy) { //over the galaxy
    locked = true; //can't move galaxy
    Galaxy(); //plays funtion Galaxy when you press over the galaxy
    laser = new SoundFile(this, "Laser_Shoot.wav"); //load sound
    laser.play(); //sound plays
  } else {
    locked = false; //unlocked if you click it
  }
  xOffset = mouseX - GalaxyX; //of offset is = to the mouse position minus the galaxy center
  yOffset = mouseY - GalaxyY;
}

void mouseDragged() {
  if (locked) { //if boolean locked is false
    GalaxyX = mouseX - xOffset; //the galaxy x is the mouse location - the amount you're offset from center
    GalaxyY = mouseY - yOffset; //the galaxy y is the mouse location - the amount you're offset from center
  }
}
void mouseReleased() {
  locked = false; //let go of the galaxy
}

//other objects
void spaceShip() {
  fill (190, 255, 190); //fill with lime green
  circle (mouseX, mouseY-15, 30); //mouses x and -15 the y are a circle with diameter 30
  fill (0, 0, 0); // fill with black
  ellipse (mouseX, mouseY, 80, 30); //the mouses x and y become an ellipse of 80 width, 30 height
}

void Stars() {
  int n = 0; //int n starts at 0
  while (n < 19) { //while n is less than 19
    //color (stars);
    fill (255, 255, 255); //fill with this color
    noStroke(); //no stroke
//AT THESE LOCATIONS
    circle (xLoc[n], yLoc[n], radius[n]);
    circle (-yLoc[n], -xLoc[n], radius[n]);
    circle (2 * yLoc[n], 2 * xLoc[n], radius[n]);
    circle (2 / xLoc[n], 2 / yLoc[n], radius[n]);
    circle (2 * -yLoc[n], 2 * -xLoc[n], radius[n]);
    circle (2 * -xLoc[n], 2 * -yLoc[n], radius[n]);
    circle (1.5 * -xLoc[n], 1.5 * -yLoc[n], radius[n]);
    circle (1.5 / yLoc[n], 1.5 / xLoc[n], radius[n]);
    n = n + 1; // and add 1 to n
  }
}
//used ball example for this
class Comet {
//data
  float cometSize;
  float shakeSpeed;
  float xPos = 0; //xpos and ypos are set to 0
  float yPos = 0;
//constructor
  Comet (float x, float y, float paramSize, float  paramSpeed) {
    cometSize = paramSize; //cometsize is the same as paramsize
    shakeSpeed = paramSpeed; //shakespeed is = paramspeed
    xPos = x; //the variable for xpos is = x
    yPos = y; //the variable for ypos is = y
  }
//function
  void update() {
    noStroke(); //the cirlces don't get a stroke
    circle (xPos, yPos, cometSize); //what the comets are made from
    xPos = xPos + shakeSpeed;
    if (xPos > width || xPos < 0) { //if the x postion greater than the canvas width or the x position is less than 0
      shakeSpeed *= -1; //the shake speed goes down by -1
    }
  }
}