//// Project 2 Carl the robot chases allen to steal his gold
//// CST 112 Talha Riaz 2015 Mar 11

String title= "carl the robot chases allen to steal his gold";
String author= "Talha Riaz: CST 112 3/11/15";
int score=0;
float sunX=110, sunY=110;
float horizon;
float houseX, houseY;

float goldX, goldY;
float carlX, carlY, carlW=45, carlZ=60; // robot
float allenX, allenY, allenW=60, allenH=80; // hero;
float treeX = 15; 
float treeY = horizon+30;
float houseW=90, houseH=110;

void setup() {
  size( 820,700 );
  horizon= height/3;
  sunY= horizon/3;
  score=0;
  reset();
}

void reset() {              // Carl and allen start on 
                            //opposite ends
  if (random(1)>0.8 ) {          
      allenX= width-10;
      carlX=10;
    } else {
      allenX= width-10;
      carlX=10;
    }  
   allenY= random( horizon, height-40 );
   carlY= random( horizon, height-40 );
   goldX= random( width/2, width*3/2 );
   goldY= random( horizon+150,height-60);
   mouseY= height;
}

  void draw() {
  scene();
  gold();
  allen();
  carl();
 //-- collisons();
  tree();
  house();
  fill(0);
  text( title, width/2, 25 );
  text( author, 25, height-25 );
  text( score, 30, 30 );
}

void gold() {
  fill( 200,150,0 );
  ellipse( goldX, goldY, 50, 50 );
} 

void mousePressed() {
    goldX=mouseX;
    goldY=mouseY;
  
  }

void scene() {
  //sun,sky,grass//
  background( 155,155,255 ); // blue sky
  
  fill( 200,255,0 ); //sun
  ellipseMode( CORNER );
  noStroke();
  ellipse( sunX, sunY, 60,60 );
  
  fill( 0,255,0 );  // Grass
  noStroke();
  rectMode( CORNER );
  rect(0, horizon, width, height );
  if ( sunX > width ) {
    sunX= 1;
    sunY= random( 20, horizon+20 );
  }
  sunX= sunX+4;
  for( float x=20; x<width; x=x+45 ); {
    }
}

//void house(){
//  // draw a house//
//  rect( horizon,60,houseW,houseH );
//  rectMode(CENTER);
//  stroke( 100,100,250 );
//}




void tree () {
  //Draw lots of trees going across//
  treeX=30;
  float treeZ=60;
  while( treeX<width ) {
  fill( 155,50,0 ); // brownish tree trunk
  rectMode( CENTER );
  //rect( treeX+=horizon,treeY-20, horizon,20 );
  rect( treeX, horizon-60, 25, 120 );
  fill( 0,255,0 );     // Leaves are green
  ellipse( treeX+60, treeY+60, 50,50 );
  treeX +=60;
  }
  
}

void house(){
  // draw a house//
  rect( horizon,200,houseW,houseH );
  rectMode(CENTER);
  fill( 100,100,250 );
  noStroke();
}

void allen() {        //Draw allen the hero //
  allenX = allenX + (goldX-allenX)/70;
  allenY = allenY + (goldY-allenY)/70;
  if (allenY<horizon) allenY= horizon;
  fill( 150,255,150 );
  rectMode(CORNER);
  rect( allenX,allenY,allenW,allenH );   //Draw allens body
  ellipse( allenX+2, allenY-60, allenH*5/7, 60 );  // Draw allens head
  ellipseMode( CENTER );
  strokeWeight(4);
  if ( dist( allenX, allenY, goldX, goldY) < allenY/3 ) {  //check if allen gets gold
   text(int(score+= 50), 30,30 );
   fill(0);
   reset();
   }
    }     

void carl() { 
  // Carl the robot chases allen//
  fill( 0,150,250 );
  rectMode( CORNER ); 
  rect( carlX, carlY, 90,90 ); // body
  rectMode( CENTER );
  rect( carlX+50, carlY-20, 60,60 ); //head
  carlX += ( allenX-carlX )/40;
  if(carlX>width) carlW+= carlZ;
  if( carlX<2 ) carlW = -carlZ;
  carlY+= ( allenY-carlY )/20;
   //carl bumbs into allen//
    if (dist( carlX,carlY, allenX,allenY ) < allenW/3 ) {
      text(int( score += score - 110 ), 30,30 );
      reset();
       }
    }

void collisions() {
  // carl catches the hero allen, allen gets the gold and carl gets the gold//
  if ( dist( allenX, allenY, carlX, carlY ) < 40 ) {
    allenX= houseX;
    allenY= houseY-houseH;
  }
   if ( dist( goldX, goldY, carlX, carlY ) < 40 ) {
     goldX= 40;
     goldY= random( horizon+50, height );
   }
   
   if ( dist( goldX, goldY, carlX, carlY ) < 40 ) {
     reset();
   }
}