var y = -20;

var x = 200;

var fall_speed = 2;

var score = 0;

var time_left = 2000;

var health = 70;

var max_health = 100;

​

function preload() {

  background_image = loadImage("Images/background.jpg");

}

​

function setup() {

  createCanvas(600, 400);

}

​

function draw() {

  if (screen == 0) {

    startScreen();

  } else if (screen == 1) {

    gameOn();

  } else if (screen == 2) {

    gameOverScreen();

  } else if (screen == 3) {

    gameWonScreen();

  }

}

​

function startScreen() {

  //background(96, 157, 255);

  background(background_image);

  fill(255);

  textAlign(CENTER);

  text("WELCOME TO < SURVIVE THE SEMESTER >", width / 2, height / 8);

  textAlign(LEFT);

  text("Instructions:",width/10,height/5.5);

  text("Your health and joy levels decrease over time",width/10,height/5+20);

  text("Catch some sleep and food to restore health",width/10,height/5+40);

  text("Catch some fun activities to restore joy",width/10,height/5+60);

  text("If you let health or joy decrease to 0 before the timer is over, it's game over for you",width/10,height/2.5);

  textAlign(CENTER);

  //print(mouseX,mouseY);

  fill(255);

  //rect(width/3,height/1.5,width/3,height/15);

  //fill(0);

  text("CLICK TO START", width/2,height/1.4);

  start_game();

}

​

function gameOn() {

  background(background_image);

  text("score = " + score, 30, 20);

  text("time left = " + time_left,45,50);

  textAlign(CENTER);

  text("Use the mouse pointer to catch any item!",300,50);

  updateHealth(health,max_health);

  fill(0);

  ellipse(x, y, 20, 20);

  fill(52, 64, 235);

  rectMode(CENTER);

  rect(mouseX, height - 10, 50, 30);

  y += fall_speed;

  time_left -= 1;

 // health -= 10;

  if (0 == health){

    screen = 2;

  }

  if (y > height) {

    health -= 10;

    x = random(20, width - 20);

  }

  if (y > height - 10 && x > mouseX - 20 && x < mouseX + 20) {

    y = -20;

    fall_speed += 0.5;

    score += 1;

  }

  if (-20 == y) {

    x = random(20, width - 20);

  }

  if (0 == time_left){

    screen = 3;

  }

}

​

function updateHealth(health,max_health) {

  stroke(0);

  strokeWeight(4);

  noFill();

  rect(width/2-100,40,200,15);

  noStroke();

  fill(255,0,0);

  rect(width/2-100,40,map(health,0,max_health,0,200),15);

  console.log(health);

}

​

function gameOverScreen() {

  background(background_image);

  fill(255);

  textAlign(CENTER);

  text("GAME OVER", width / 2, height / 3);

  text("SCORE = " + score, width / 2, height / 3 + 20);

  text("click to play again", width / 2, height / 3 + 40);

}

​

function gameWonScreen() {

  background(background_image);

  textAlign(CENTER);

  text("CONGRATULATIONS", width / 2, height / 2);

  text("YOU SURVIVED THE GAME!", width / 2, height / 2 + 20);

  text("click to play again", width / 2, height / 2 + 40);

}

​

function mousePressed() {

  if (screen == 0) {

    screen = 1;

  } else if (screen == 2) {

    screen = 0;

  }

}

​

function start_game() {

  score = 0;

  speed = 2;

  y = -20;

}

​