//// Project 1c -- birds, bombs, hits -- use functions with input args. Object Oriented Project 3 april 15 
//// B.A.Martin, 2015 Mar 11

///////////////////////////////////////// DO NOT COPY ANY OF THIS CODE //////////////////////////////////

String title=  "Igor chases Vlad (plus birds)";
String author=  "Joshua Jack 2015 april 15";
String news="";
float helpX, helpY; 

int score=0;
float sunX=100, sunY=100;
float horizon;
float houseX, houseY, houseW=100, houseH=60;

float goldX, goldY;
float vladX, vladY, vladW=50, vladH=80;
float frankX, frankY, frankW=70, frankH=90;
float frankStep;        // Wobbly walk.
int step;
float look;

float bird1X, bird1Y=20, bomb1Y=1; // ++ Move Globals into objects,=BirdBomb and bird need to be part of same object//
float bird2X, bird2Y=40, bomb2Y=1;
float bird3X, bird3Y=60, bomb3Y=1;
float bird4X, bird4Y=80, bomb4Y=1;

Bird one, two, three, four;



void setup() {                                                            /* DO NOT COPY */
  //// setup ////
  size( 800,600 );
  horizon=  height/4;
  sunY=  horizon/2;
  houseX=  width - 2*houseW;
  houseY=  horizon-houseH;
  score=0;
  reset();
}

void reset() { //Start AT OPPOSITE SIDES                                                         
  // Start at opposite sides. //  
  if (random(1) > 0.5) {
    vladX=  width-30;
    frankX=30;
  } else {
    frankX=  width-30;
    vladX=30;
  }
  vladY=  random( horizon,height-60 );
  frankY=  random( horizon,height-60 );
  goldX=  random( width/4, width*3/4);
  goldY=  random(horizon+200,height-20);
  mouseY=height;


  //RESET THE BIRDS every time it apears
  one= new Bird (255,255,0);
  one.y=110;
  
  two = new Bird (0,255,0,255);
  two.y=140;
  
  three = new Bird(0,255,127);
  three.y=60;
  
  four = new Bird(255,0,255);
  four.y=80;

}


void draw() {
  // next frame //
  scene();
  if (key == '?') {
    help();
    return;
  }
  gold();
  hero();
  monster();
  birds();
  hits();    // Check for collisions. //
  // Different step, every 15 frames. //
  step = step+1;
  if (step % 15 == 0) frankStep=  random( -15, 15 );
  // Title, etc.
  fill(0);
  text( title, width/3, 20 );
  text( author, 20, height-15 );
  fill(255,255,0);
  text( "SCORE=  " + score,  width-200, 25 );
  text( news, 20, 25 );
}

void scene() {                                                      /* DO NOT COPY */
  // sky, sun, etc.
  background( 200,200,255 );
  fill(255,255,0);              // yellow sun
  ellipse(sunX,sunY, 50,50);
  fill( 200,255,200);          // grass
  rectMode( CORNER );
  rect(0,horizon, width,height*3/4);
  // sun moves across sky.  (-10 each day.) //
  if (sunX > width) {
    sunX=0;
    sunY=  random( 10, horizon-20);
    score=  score-10;
  }
  sunX=  sunX+2;
  fill(0);
  text( sunX, sunX, sunY+40);  
  //// Trees.
  for (float x=20; x<width; x+=50) {
    tree( x,horizon );
  }
  fill( 255,0,0 );
  house( houseX,horizon-60, 100,60 );
}

void birds() {   
 one.move(3,5);
 two.move(2,4);
 three.move(1,2);
 four.move(2,3);

  /* DO NOT COPY */
  /// Draw & move 3 birds
  // we need slow and fast which are new variables 
  bird1X += random(3,5); // random numbers make them move " (3,5)"
  bird2X += random(2,4);
  bird3X += random(1,2);
  bird4X += random(2,3);

  
  // Reset birds after flight completed (+500).
  if (bird1X>width+500) {
    bird1X=  80;
    bird1Y=  random(20,horizon);
  }
  if (bird2X>width+500) {
    bird2X=  80;
    bird2Y=  random(20,horizon);
  }
  if (bird3X>width+500) {
    bird3X=  80;
    bird3Y=  random(20,horizon);
  }
  if (bird4X>width+55) {
    bird4X=  80;
    bird4Y=  random(20,horizon);
  }

  // draw birds & bombs //                                            /* DO NOT COPY */
  fill( 255,0,0 );    // bird 1:  red
  drawBird( bird1X, bird1Y+5-random(5) );
  bomb1Y=  updateBomb( bomb1Y );
  drawBomb( bird1X, bomb1Y );
  
  one.show();
  two.show();
  three.show();
  four.show();
  
  fill( 255,155,0 );
  drawBird( bird2X, bird2Y );
  bomb2Y=  updateBomb( bomb2Y );
  drawBomb( bird2X, bomb2Y );

  fill( 255,255,0 );
  drawBird( bird3X, bird3Y );
  bomb3Y=  updateBomb( bomb3Y );
  drawBomb( bird3X, bomb3Y );

  fill( 0,255,255 );
  drawBird( bird4X, bird4Y );
  bomb4Y=  updateBomb( bomb4Y );
  drawBomb( bird4X, bomb4Y );
}
void drawBird( float x, float y ) {                                            /* DO NOT COPY */
  //// draw one bird /////
  triangle( x,y, x-60,y-10, x-60,y+10 );        // body
  // Make the wings flap (every 1/2 second).
  float flap;
  if ( step/30 % 4 == 0 ) flap=  20;
  else if ( step/30 % 4 == 1 ) flap=  -10;
  else if ( step/30 % 4 == 2 ) flap=  -20;
  else flap=  +10;
 Wing( x, y, flap );
}
void Wing( float yup ) {                             /* DO NOT COPY */
  // Draw the wing (up or down).
  triangle( x-20,y, x-40,y, x-40,y-yup );
}
float updateBomb( float y ) {                                            /* DO NOT COPY */
  //// Calculate new Y value for bomb:  add 5 if >0 and <height
  if (y<=0 || y>height) return 0;
  return y + 1 + y/50;        // Approximate gravity by using y/50.
}
void drawBomb( float x, float y ) {                                            /* DO NOT COPY */
  //// draw a bomb IF y > 0 ////
  if (y<=0) return;
  ellipse( x,y, 20,30 );
  stroke(255,0,0);
  fill( 255,0,0, 50 );      // Red glow surrounds bomb.
  ellipse( x,y, 50,50 );
  stroke(0);
  fill(0);
  triangle( x,y+3, x-15,y-12, x+15,y-12 );
}


void scoring() {
}


//////// Collisions ////////
void hits() {                                            /* DO NOT COPY */
  //// Check for collisions ////
  // Monster catches hero. //
  if ( dist( vladX,vladY, frankX,frankY ) < 50 ) {
    eat();
    vladX=  houseX;
    vladX=  houseY-houseH;
    news=  "The hero was EATEN by the monster.";
  }    
  // Monster gets the gold. //
  if ( dist( goldX,goldY, frankX,frankY ) < 50 ) {
    goldX=  50;
    goldY=  random(horizon+200,height);
    news=  "SORRY!  The monster got the gold!";
  }      
  //// Hero gets the gold! //
  if ( dist( vladX,vladY, goldX,goldY ) < 50 ) {
    score += random( 100,200 );
    background(255,255,255);
    reset();
    news=  "HOORAY!   The hero found the gold.";
    houseX=  random( 100, width-100 );
    vladX=  houseX;
    vladY=  houseY-houseH/2;
  }    
  // Bombs (starting after 200 frames)
  if (step<200) return;
  if ( dist( frankX,frankY, bird1X,bomb1Y )  <  50 ) frankHit();
  if ( dist( frankX,frankY, bird2X,bomb2Y )  <  50 ) frankHit();
  if ( dist( frankX,frankY, bird3X,bomb3Y )  <  50 ) frankHit();
  if ( dist( frankX,frankY, bird4X,bomb4Y )  <  50 ) frankHit();
}
void frankHit() {                                            /* DO NOT COPY */
  //// Monster has been bombed. ////
  score += 10;
  background(0);    // Flash black
  frankX=0;
  frankY=  random(horizon,height);
  news=  "Monster was hit by a bomb!";
}
void eat() {
  //// Monster eats hero!!!!   Deduct 200 from score.
  score=  score - 200;
  background(255,0,0);
  reset();
}


void mousePressed() {
  //// Click. ////
  news="";
  goldX=  mouseX;
  goldY=  mouseY;
  score=  score - 50;
  frankX=0;
  frankY=  random(20,height-20);
  news= "Gold is now at ("+ int(goldX) +","+ int(goldY) +")" ;
}
void keyPressed() {
  //// Handle keys. ////
  news="";
  if (key == 'q') exit();
  if (key == 'r') reset();
  // Drop bomb when # 1,2,3,4 key is pressed.
  if (key == '1') bomb1Y=  bird1Y;
  if (key == '2') bomb2Y=  bird2Y;
  if (key == '3') bomb3Y=  bird3Y;
  if (key == '4') bomb4Y=  bird4Y;
  if (key == '*') {
    bomb1Y=  bird1Y;  // All boimbs away!!
    bomb2Y=  bird2Y;
    bomb3Y=  bird3Y;
    bomb4Y=  bird4Y;
  }
}

void help() {
  // Instructions //
  news="";
  helpX=  100;
  helpY =horizon+20;
  say( "I N S T R U C T I O N S" );
  say( "" );
  say( "Hero chases gold -- +100 points." );
  say( "Monster chases hero -- lose points if eaten!" );
  say( "Click to mov1Ge gold (but lose 50)." );
  say( "(Also lose 10 points per day.)" );
  say( "r key to reset (monster to left, hero to right, gold in the middle." );
  say( "q key to quit" );
}
void say( String s ) {
  //// Display one line of text (on next available line). ////
  text( s, helpX, helpY );
  helpY += 12;                // Next line.
}

// New Class to Define a Bird object ++//


class Bird {
  float x=0, y=120;
  float slow, fast; // two random values/variables.
  float bombY;
  float flap;
  int r,b,g;
  //CONTRUCTORS//
  Bird ( float y, int r, int g, int b) {
    //local variable//
    this.r= int (random(r-50,r+50) );
    this.g= g;
    this.b= b;
    this.y= y;
  }
  
  //METHODS//
  void move (float slow, float fast){
    //move the bird
    //++++STUB++++
    x += random(slow,fast);
    if (x>width+500) {
    x=80;
    y= random(120, horizon = 100);
    }
  }
  
  void show () {
    fill (r, g, b);
    void drawBird( float x, float y ) {                                            /* DO NOT COPY */
  //// draw one bird /////
  triangle( x,y, x-60,y-10, x-60,y+10 );        // body
  // Make the wings flap (every 1/2 second).
  float flap;
  if ( step/30 % 4 == 0 ) flap=  20;
  else if ( step/30 % 4 == 1 ) flap=  -10;
  else if ( step/30 % 4 == 2 ) flap=  -20;
  else flap=  +10;
  Wing(  );
  
}
 void Wing( ) {                             /* DO NOT COPY */
  // Draw the wing (up or down).
  triangle( x-20,y, x-40,y, x-40,y-yup );
}
    // Display Bird and Bomb
    }
 
}