/*
* Patrick Gillen Project 3
*/

float heroX, heroY;
float heroDX, heroDY;
float bombX, bombY;
float bombDY;
float score;


void setup() //setup window size and run initialize sub-routine
{
  size ( 640, 480 );
  initialize();
  smooth();
}

void initialize() // set intial variable values
{
  heroX = width / 2;
  heroY = height / 2;
  heroDX = 2;
  heroDY = 3;
  bombDY = 14;
  bombY = -10;
  score = 0;
}

void draw() 
{
  doScene();
  doBichula();
  doBomb();
  checkContact();
}


void keyPressed() // drops bombs from the sky if the b key is hit, upper or lower case
{
  if (key == 'b' || key == 'B')
  {
    bombY = 1;
    bombX= random ( width );
  }
}


void mousePressed() // moves bichula to locate of the mouse
{
  heroX = mouseX;
  heroY = mouseY;
}
  
  
void doScene() // draws sky, sun and grass
{
  // makes sky blue
  background(50, 50, 255);

  // draws yellow sun
  stroke(0);
  strokeWeight(2);
  fill(255,255,0);
  ellipse(width/1.5, height/4, 75,75);
  
  // draws grass 
  rectMode(CORNERS);
  fill(50,255,50);
  rect(0,height/1.5,width,height);
}

void doBichula() // draws bichula, the hero of the game
{
 
  //draw bichulas ears
  //left ear
  fill(0);
  triangle(heroX-45, heroY-45, heroX-35,heroY,heroX+35,heroY);
  //right ear
  triangle(heroX+45, heroY-45, heroX+35,heroY,heroX-35,heroY);
  
  // draws bichulas head, over the ears
  fill(255,250,250);
  ellipse(heroX,heroY, 80,80);
  
  // draw bichulas eyes
  //left eye
  ellipse(heroX-15,heroY-15,23,23);
  ellipse(heroX-15,heroY-15,1,1);
  //right eye
  ellipse(heroX+15,heroY-15,23,23);
  ellipse(heroX+15,heroY-15,1,1);
  
  //draws score on bichula
  fill(0);
  text(score, heroX,heroY + 10);
  
  //moves hero along the x axis
  heroX += heroDX;
  // bounces hero of ither wall
  if (heroX > width - 40 || heroX < 40)
  {
    heroDX = -heroDX;
  }
  //moves hero along the y axis
  heroY += heroDY;
  // bounces hero of ither wall
  if (heroY > height - 40 || heroY < 40)
  {
    heroDY = -heroDY;
  }  
}

void doBomb()
{
  // exits function if bomb hasn't been released yet or is of screen
  if (bombY < 0 || bombY > height)
  {
    return;
  }
  // bomb acceleration
  bombY += bombDY;
  // draw bomb
  ellipse( bombX, bombY, 25, 90 );
}

void checkContact()
{
  // checks if bomb makes contact with bichula and adds points to score
  if (abs(bombX-heroX) < 45 && abs(bombY-heroY) < 45)
  {
    score += 100;
    heroX = 50;
    heroY = 50;
  }
  
}