// Project #1 & 2 //
// Stacy Aparicio, CST 112, May 8 2015 //

float kayX, kayY;
float booX, booY;
float horizon, sunX, sunY;
float treeX = 5; 
float treeY = horizon -40;
float space = 75;
float houseX, houseY;

void setup() {
  // Setup: window size //
  size( 650, 650 );
  horizon= ( height /3 );
}

void draw() {
  scene();
  sun();
  tree();
  house();
  boo();
  kay();
  keyPressed();
}

void scene() {
  // light blue sky //
  background( 0, 180, 255 );
  // green grass //
  fill( 0, 155, 0 );
  rectMode(CORNER);
  rect( 0, horizon + 0, width, height *4 );
  // title, name, etc //
  fill( 0 );
  textSize( 20 );
  text( "boo follows kay", width/3, 20 );
  textSize( 12 );
  text( "Stacy Aparicio, CST 112, 2015 May 8", 20, height -20 );
}

void sun() {
  // sun moves slowly to the right //
  sunX= sunX +1.5 ;
  sunX= sunX % width ;
  sunY= horizon - 155 * sin( PI * sunX/width );  
  // rise & set //
  fill( 255, 200, 0 );
  ellipse( sunX, sunY, 80, 80 );
  fill( 0 );
}

void tree () {
  // Draw trees going across //
  treeX = -20;
  while ( treeX < width ) {
    fill( 150, 55, 0 ); 
    // brown tree trunk //
    rectMode( CENTER );
    rect( treeX, horizon -45 , 20 , 90 );
    fill( 0, 155, 0 );     
    // Leaves are green //
    ellipse( treeX, treeY +145 , 60 , 60 );
    treeX += 65 ;
  }
}

void house() {
  // House //
  float houseX, houseY ;
  houseX = width *9/11 ;
  houseY = horizon -60;
  fill( 0, 0, 255 );
  noStroke();
  rectMode( CORNER );
  rect( houseX, houseY, 100, 60 );
  triangle( houseX, houseY, houseX +100, houseY, houseX +50, houseY -25 );
  stroke( 0 );
  // Windows & door //
  fill( 0 );
  rect( houseX +5 , horizon -50 , 25 , 20 );
  rect( houseX +65 , horizon -50 , 25 , 20 );
  rect( houseX +40 , horizon -30 , 20 , 30 );
}

void boo() {
  // boo followed by kay // color navy // HERO //
  booX = booX + (kayX - booX)/100;
  booY = booY + (kayY - booY)/100;
  rectMode(CORNER);
  // Monster head //
  fill( 255 , 255 , 255 );
  ellipse( kayX +15 , kayY , 45 , 50 );
  // Monster body //
  fill( 0 , 23 , 145 );
  rect( kayX, kayY +20 , 30 , 60 );
}

void kay() {
  // kay follows boo // color purple // // MONSTER //
  kayX = kayX + (mouseX - booX)/80;
  kayY = kayY + (mouseY - booY)/80;
  rectMode(CORNER);
  // Creature head //
  fill( 0 , 0 , 0 );
  rect( booX +0 , booY -5 , 30 , 50 );
  // Creature body //
  fill( 200 , 0 , 200 );
  rect( booX , booY +20 , 30 , 60 );
}

void keyPressed() {
  if (key == 'q') exit();
}