// Project #3:   Sekai chases gold, yuki chases Sekai //
// Thomas Kegney,   CST 112,  2015 March 18 //
float grass;
float sunX = 50;
float sunY = 10;
float speedX = 1;
float speedY = 0.2;
float sekaiX; 
float sekaiY; 
float yukiX, yukiY, yukiDX = 4, yukiDY = 2;
float goldX=200,goldY=200;
float houseX=100,houseY=300;
float near= 20;
float score = 0;
float space = 150; 
float treeX=20;
float treeY = grass +10;
float birdX,birdY;
void setup () {
  // Setup: window size, etc. //
  size (1000, 1000);
  grass = height/4;
  treeY = grass +10;  
  yukiX = 500;
}
void reset() {
  //// Move yuki & hero
  yukiX=500;
  sekaiX=  houseX;
  sekaiY=  houseY;
  goldX=  random( 0,width );
  goldY=  random( 0,height );
  houseX=  random( 100, width-100 );
  houseY=  grass;
}

void draw () {
  // scene and charcter setup // 
 
  
  scene();
  bird();
  Sekai();
  yuki();
  tree();
  house();
  gold();
  textSize(24);
  fill(0);
      text ( score, 20, 20);

}


void bird () {
}
void gold() {
  fill (255,200,0);
  ellipse ( goldX,goldY,30,30);
  if (goldY < grass) {
    goldY =grass;
  }
}


void scene() {
  // Scene: sky, sun, grass. //
  background (200, 200, 255 ); // sky //
  fill (255, 255, 0);
  
  sunX= sunX + speedX;
  
  sunY= sunY + speedY;
  while (sunX > width) {
     ellipse ( sunX,sunY, 50, 50 );
     sunX=0;
  }
   while (sunY > grass) {
     ellipse ( sunX,sunY, 50, 50 );
     sunY=0;
  }
  ellipse ( sunX,sunY, 50, 50 ); // sun
  rectMode (CORNER);
  fill ( 150, 255, 0);
  rect (0, grass, width, height-grass); // grass
}

/**
  Move & draw hero
*/
void Sekai () {
  // Move
  fill(0);
 // text( int(sekaiX), 20,20 );
  text( int(sekaiY), 20,40 );

  sekaiX= sekaiX + (goldX-sekaiX)/30;
  sekaiY= sekaiY + (goldY-sekaiY)/30;
  //// Display him
  rectMode (CORNER);
  fill (255,0,0);
  rect ( sekaiX, sekaiY,  100, 100); // body
  ellipse (sekaiX+50, sekaiY-30, 50, 50);// head
  rect (sekaiX-30, sekaiY+30,70,50); // left arm
  rect (sekaiX+60, sekaiY+30,70,50);
  //// Check if hero gets gold.
  if ( dist( sekaiX,sekaiY, goldX,goldY ) < 100/2 ) {
    score += 50;
    reset();
  }
}

void yuki () {
  fill (0);

   rectMode (CORNER);
  fill (0);
  rect ( yukiX, yukiY,  150, 150); // body
  ellipse (yukiX+50, yukiY-30, 100, 100);// head
  rect (yukiX-30, yukiY+30,70,70); // left arm
  rect (yukiX+60, yukiY+30,70,70);
  yukiX +=  (sekaiX-yukiX) / 50;
  if (yukiX>width) yukiDX = -yukiDX;
  if (yukiX<0) yukiDX = -yukiDX;
    yukiY +=  (sekaiY-yukiY) / 30;
  // yuki  hits sekai
 if ( dist( yukiX,yukiY, sekaiX,sekaiY ) < 100/3 ) {
    text (int(score += score - 100), 20, 20);
    reset();
}
}

void house () {
  // build house
  fill (255,0,0);
  triangle ( houseX, houseY, houseX+50, houseY-30, houseX+100, houseY);
  fill (0,0,255);
  rect ( houseX, houseY, 100, 50);
}

void tree () {
  //// DRAW MANY TREES, across the horizon
  treeX=  20;
  float treeW=50;
  while (treeX < width) {
     fill(150,55,0);
     rect (treeX,treeY, treeW, -100);
     fill(0,155,0);
     ellipse( treeX+treeW/2, treeY-100, treeW*2,treeW*1.5 );
     treeX += space;
  }
}

void keyPressed() {
  // click q to quit
  if (key == 'q') exit();
}

void mousePressed() {
  //// Click to place gold.
  goldX=  mouseX;
  goldY=  mouseY;

}