//// Project 2 Carl the robot chases allen the alien to steal 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, hW=100, hH=80;

float goldX, goldY;
float carlX, carlY, carlW=45, carlZ=60; // robot
float allenX, allenY, allenW=60, allenH=80; // hero;
float treeX, treeY;


void setup() {
  size( 820,700 );
  horizon= height/3;
  sunY= horizon/3;
  houseX= width-2*hW;
  houseY= horizon-hH;
  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();
  
  fill(0);
  text( title, width/2, 25 );
  text( author, 25, height-25 );
}

void scene() {
  background( 155,155,255 ); // Dont know the color but its a 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 ); {
    tree( treeX, horizon );
  }
  
}
void tree( float y, float z ) {
  fill( 100,100,100 ); // Tree trunk with a color i dont know 
  rect( treeX,treeY-20, 10,20 );
  fill( 0,255,0 );     // Leaves are green
  ellipse( treeX+3, treeY-90, 20,20 );

}
  void house( float w, float x, float y, float z ) {
    rect( w,x,y,z );  // house
    triangle( w,x, w+y,x, w+y/2, x-z/2 );
}
   void allen() {        //Draw allen the hero aka the alien//
   allenX = allenX + (goldX-allenX)/70;
   allenY = allenY + (goldY-allenY)/70;
   if (allenY<horizon) allenY= horizon;
   fill( 150,255,150 );
   rectMode(CENTER);
   rect( allenX,allenY,allenW,allenH );   //Draw allens body
   text( "Hi my name is allen the alien", allenX-20, allenY-15 );
   fill( 150,255,150 );
   ellipse( allenX, allenY, allenH/2-8, 50 );  // Draw allens Head
   strokeWeight(4);
   leg( allenX-30, allenY, allenH/3, 30); 
   leg( allenX+30, allenY, allenH/3, 30);
   strokeWeight(4);
   arm( -45, allenX-allenW/3, allenY-allenH/4 );
   arm( +45, allenx+allenW/3, allenY-allenH/4 );
   }
   void carl() { 
     // Carl the robot chases allen//
     
     carlX= carlX + ( allenX-carlX )/90;
     carlY= carlY + ( allenY-carlY )/90;
     if( carlY<horizon+90 ) carlY=horizon+190;
     drawCarl( carlX,carlY );
   }
   void drawCarl( float carlX, float carlY ) {
     fill( 0 );
     rectMode( CENTER );
     rect( carlX, carlY, carlW, carlZ );
     text( "i am carl the robot", carlX-25, carlY-15 );
   }