class Walker
{ 
 float x;
 float y;
 float vx;
 float vy;
 float angle;
 boolean bulletShot = false;  
 float speed; 
 float health = 100;
 PImage img;
 
 public Walker(float x_, float y_, float speed_)
 {
   x = x_;
   y = y_;
   speed = speed_;
   img = loadImage("debug-hero.gif");
 }
 
 void update(int weaponType)
 {
   detectKeys();
   if(keyUp)
   {
     y -= speed;
   }     
   if(keyDown)
   {
     y += speed;
   }
   if(keyLeft)
   {
     x -= speed;
   }
   if(keyRight)
   {
     x += speed;
   } 
   angle = atan2(mouseY - y, mouseX - x);
   if (mousePressed && (mouseButton == LEFT))
   {
     if (bulletShot == false || weaponType < 3) //fargun has press trigger not hold
     {
       bullets[bulletsCount] = new BasicBullet(new Vector2D(x, y), angle, weaponType);
       bulletsCount ++;
       bulletShot = true;
     }
   }
   else
   {
     bulletShot = false;   
   }
 
   collideWithPlantBullets();
   if (health < 0) health = 100;
 
   if (x > 500) x = 0;
   if (y > 400) y = 0;
   if (x < 0) x = 500;
   if (y < 0) y = 400;
 }
 
 void draw() 
 {
   pushMatrix(); 
   translate(x, y);
   rotate(angle);
   noFill();
   /*stroke(color(240, 230, 150));
   rect(-5, -5, 10, 10);  
   rect(-9, -4, 3, 3);
   rect(6, -4, 3, 3);*/
   smooth();
   image(img, -6, -10); 
   noSmooth();
   popMatrix(); 
   fill(40);
   rect(10, 380, 100, 10);
   fill(0, 230, 0);
   rect(10, 380, health, 10);
 } 
 
  void collideWithPlantBullets()
  {
    //check for collisions with bullets and react on it     
    for (int ib=0; ib<plantBulletsCount; ib++)
    {
       if (dist(x, y, plantBullets[ib].position.getX(), plantBullets[ib].position.getY()) < 15 + 2)
       {
         Vector2D bulletPos = new Vector2D(plantBullets[ib].position);
         health -= plantBullets[ib].strength * 4.0 / (15.0 * 1.6)  ; //16 is the size anticomponent .... 16 makes 100 strong weapon do 100 damage to 16 sized creature
         plantBullets = removeArrayItem(ib, plantBullets);
         explosions[explosionsCount] = new Explosion(bulletPos, 3, 2);
         explosionsCount ++;      
       }   
     }
  }
 
}