//project 2
//Adam Kochen



void setup () {
size(800,600);
}
int score=0;
float horizon=150;
float sunX=50,sunY=30;
float demonLordX=random(500,800), demonLordY= 500;
float heroX=random(0,300) ,heroY=random(300,500);
float dayScore = 2;
float treasureX= random(20,780), treasureY = random(200,600);
float travelX = 0 , travelY = 0;
float bodyW = 40 , bodyH =80;
float bird1X, bird1Y=10;
float bird2X, bird2Y=40;
float bird3X, bird3Y=60;
float birdXA =100 , birdYA=100;
void draw(){
//Next Frame
  scene();
  treasure();
  sun();
  demonLord();
  hero();
  score();
  bird();
  }

void scene(){
//sky
  noStroke();
  if(dayScore%2==0) {background(0,200,255);
  } else{ background(0,0,123);
  };
  fill(0,255,0);
  rect(0,horizon,800,500);
  text(score,20,700);
  }

void treasure(){
  //draw treasure
  fill(255,0,0,0);
  rect(treasureX,treasureY,10,10);
  //treasure found
  if(dist(demonLordX,demonLordY,treasureX,treasureY)<60){
    treasureX= random(20,780);
    treasureY = random(200,580);
    score= score + 20;
    background(255);
  }
  //draw coorinates
  travelX= dist(demonLordX,demonLordY,treasureX,treasureY);
  fill(100);
  text(travelX,20,20);
}

void sun(){
  //draw sun
 ellipseMode(CORNER);
 if(dayScore%2==0) {fill(255,210,0);
 }else{fill(220);
 };
 noStroke();
 ellipse(sunX,sunY,40,40);
 sunX= sunX +2;
 //reset sun
 if(sunX > width+10){ sunX=50;
   dayScore=dayScore + 1;
 }

}

void demonLord(){
  //make demonLord
  fill(0);
  body(demonLordX,demonLordY,bodyW,bodyH);
  ellipseMode(CORNER);
  head(demonLordX,demonLordY-40,40,40);
  strokeWeight(10);
  stroke(183,0,0);
  //horns
  if(mouseX<demonLordX){line(demonLordX+10,demonLordY-33,demonLordX+13,demonLordY-45);
  }
  else{line(demonLordX+30,demonLordY-33,demonLordX+27,demonLordY-45);
  }
  //0-0 demonLordX= mouseX;
  //0-0 demonLordY= mouseY;
  //stay below horizon
    if(demonLordY+50 > horizon ||
    mouseY > horizon) 
    {demonLordY= demonLordY+ (mouseY - demonLordY)/5;}
    demonLordX= demonLordX+ (mouseX - demonLordX)/5;
  
  //Name demonLord
  fill(255,0,255);
  text("Demon",demonLordX,demonLordY+40);
  text("Lord",demonLordX+8,demonLordY+53);
}
void hero(){
  //chase demonLord
  heroX= heroX+ (demonLordX-heroX)/90;
  heroY= heroY+ (demonLordY-heroY)/90; 
  //make hero sword
  strokeWeight(10);
  stroke(183,178,180);
  if(demonLordX>heroX)
  {
  line(heroX+10,heroY+15,heroX+90,heroY+15);//blade
  noStroke();
  fill(0,100,200);
  rect(heroX,heroY+10,50,10); //handle
  rect(heroX+49,heroY,8,30); //hand guard
  }
  else
  {
    line(heroX,heroY+15,heroX-50,heroY+15); //blade
    noStroke();
    fill(0,100,200);
    rect(heroX-10,heroY+10,50,10); //handle
    rect(heroX-17,heroY,8,30); //hand guard
  }
  //make hero
  rectMode(CORNER);
  fill(255);
  body(heroX,heroY,bodyW,bodyH); //body 
  head(heroX,heroY-40,40,40);
  //--ellipse(heroX,heroY-40,40,40); //head
  fill(200,50,200);
  //moving eye
  if(demonLordX<heroX)
    {
      ellipse(heroX+5,heroY-35,10,10);
    }
  else{
        ellipse(heroX+25,heroY-35,10,10);
  }
    
  //name hero
  fill(2);
  text("Hero",heroX+7,heroY+10);
}
  void score(){
  //show Score
  fill(255);
  stroke(255,0,255);
  text("Score:"+score,demonLordX,demonLordY+10);
  
  if(dist(demonLordX,demonLordY,heroX,heroY) < 40) {
    eat();
  }
  stroke(0);
}

void bird() {
  /// Draw & move 3 birds
  bird1X += random(3,5);
  bird2X += random(2,4);
  bird3X += random(1,2);
  // 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);
  }
  // draw birds
  fill(255);    // bird 1:  red
  birdBody( bird1X, bird1Y);
  
  fill(100,100,100);
  birdBody( bird2X, bird2Y);

  fill(0);
  birdBody( bird3X, bird3Y);
}

void eat(){
  //
  score= score-20;
  background(255,0,0);
  heroX=random(0,750);
  heroY=random(250,550);
}


void mousePressed(){
  //
  demonLordX= mouseX;
  demonLordY= mouseY;}
  
  

void head(float x , float y , float w, float h) {
    //make head
  ellipse( x, y, w, h);
  }

void body(float x, float y, float w, float h) {
    //make body
  rect(x ,y ,w ,h);
}  

void birdBody(float x, float y) {
  noStroke();
  triangle(x,y,x-30,y-10,x-30,y+10);}

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