//Valondine Jeudy
//CST 112
//Prof. M
//November 12, 2014

//declare variables
String title= "Pool Table";
String author= "Valondine Jeudy";
String course = "CST 112";
Ball redJeudy, greenJeudy, blueJeudy;
Button redButton, greenButton, blueButton, tableButton;
int tableColor=0;

void setup() {
  //setup the game
  size(500, 400);
  redJeudy= new Ball(255, 0, 0);
  redJeudy.x = random(50, 100);
  redJeudy.y = random(200, 300);
  greenJeudy= new Ball(0, 255, 0);
  greenJeudy.x =400;
  greenJeudy.y = 350;
  blueJeudy = new Ball (0, 0, 255);
  blueJeudy.x = 300;
  blueJeudy.y = 255;
  redButton = new Button(width-400, height-15, 25, 20, "Red");
  blueButton = new Button(width-300, height-15, 27, 20, "Blue");
  greenButton = new Button(width-200, height-15, 35, 20, "Green");
  tableButton = new Button(width-100, height-15, 35, 20, "Table");
}

void draw() {
  //draws the next frame
  background(255, 0, 0);

  //changes the color of the table.
  if (tableColor%2==0) {
    fill(135, 206, 250);
    drawpoolTable();
  } else{
    fill(225,20,147);
    drawpoolTable();
  }

  // Title, etc.
  textSize(12);
  (0,25,145);
  text( title, width/2-35, 20 );
  text( author, 5, height-10 );
  text(course,width-50,15);
}

void drawpoolTable() {
  // draws the pool table with the balls.
  rectMode(CENTER);
  rect(width/2, height/2, width-55, height-55);
  redJeudy.drawMovement();
  greenJeudy.drawMovement();
  blueJeudy.drawMovement();
  redButton.drawButton();
  greenButton.drawButton();
  blueButton.drawButton();
  tableButton.drawButton();
}


class Ball {
  // properties
  float x = 25, y = 20;
  float dx = 4, dy = 4;
  float w = 35, h=35;
  int r, g, b;

  // Constructors:  set colors to the balls
  Ball(int r, int g, int b) {
    this.r = r;
    this.g = g;
    this.b = b;
  }

  // methods
  void drawMovement() {
    //call the drawBall,moveBall and bounceTable methods
    drawBall();
    moveBall();
    bounceTable();
  }

  void drawBall() {
    // draw the balls and show.
    fill(r, g, b);
    ellipse(x, y, w, h);
  }

  void moveBall() {
    //make the ball moves
    x+= dx;
    y+= dy;
  }

  void bounceTable() {
    // bounce the ball of the pool table.

    // x axis
    if ( x < 42 || x> 465) {
      dx*=-1;  
      x+=dx;
    }

    // y axis
    if ( y < 45 || y>355 ) { 
      dy*=-1; 
      y+=dy;
    }
  }
}


class Button
{
  // PROPERTIES//
  float x, y, w, h;
  String name;

  // positions and name of buttons. CONSTRUCTOR
  Button(float x, float y, float w, float h, String name) {
    this.x = x;
    this.y = y;
    this.w = w;
    this.h = h;
    this.name = name;
  }

  void drawButton() {
    //template for the buttons
    textSize(10);
    fill(0, 155, 155);
    rectMode(CORNER);
    rect(x, y, w, h); 
    fill(125, 0, 65);
    text(name, x+5, y+13);
  }

  boolean isHit() {
    //if buttons are clicked.
    if (mouseX > x && mouseX < x+w && mouseY > y && mouseY < y+h)
    {
      return true;
    }else {
      return false;
    }
  }
}

void mousePressed() {
  //handles mouse clicks
  if (redButton.isHit()) {
    redReset();
  }
  if (greenButton.isHit()) {
    greenReset();
  }
  if (blueButton.isHit()) {
    blueReset();
  }
  if (tableButton.isHit()) {
    tableColor+=1;
  } 
 
}

void keyPressed() {
  //handles keys
  if (key == '1') {
    redReset();
  }
  if (key == '2') {
    greenReset();
  }
  if (key == '3') {
    blueReset();
  }
}

void redReset() {
  //changes position of red ball
  redJeudy.x = 75;
  redJeudy.y = 150;
}

void greenReset() {
  // changes position of green ball
  greenJeudy.x = 80;
  greenJeudy.y = 250;
}

void blueReset() {
  // changes position of blue ball
  blueJeudy.x = 95;
  blueJeudy.y = 320;
}