Walker myShip;
//Ship myShip;
//arrays
BasicBullet[] bullets;
BugNormal[] bugsNormal;
Explosion[] explosions;
int bulletsCount;
int bugsNormalCount;
int explosionsCount;

boolean keyUp, keyDown, keyLeft, keyRight;
int weaponType = 0; //0 flamer, 1 machinegun...

void setup()
{
  size(500, 400);
  frameRate(45);
  myShip = new Walker();
  //myShip = new Ship();
  myShip.x = 100;
  myShip.y = 100;
  myShip.speed = 3;

  bullets = new BasicBullet[120];
  bugsNormal = new BugNormal[1001];
  explosions = new Explosion[120];
  for (int i=0; i<23; i++)
  {  
    bugsNormal[bugsNormalCount] = new BugNormal(new Vector2D(100, 200), 5, 3);
    bugsNormalCount ++;
  }
  for (int i=0; i<23; i++)
  {  
    bugsNormal[bugsNormalCount] = new BugNormal(new Vector2D(200, 200), 9, 2);
    bugsNormalCount ++;
  }
  for (int i=0; i<23; i++)
  {  
    bugsNormal[bugsNormalCount] = new BugNormal(new Vector2D(200, 300), 16, 1);
    bugsNormalCount ++;
  }
  for (int i=0; i<3; i++)
  {  
    bugsNormal[bugsNormalCount] = new BugNormal(new Vector2D(400, 300), 29, 4);
    bugsNormalCount ++;
  }
}
 
void draw()
{
  background(20, 10, 20);
  //noStroke();
  //lightFalloff(1.0, 0.1, 0.0);
  //pointLight(102, 153, 204, mouseX, mouseY, 30);    
  //fill(123);
  //rect(10, 10, 30, 30);

  myShip.update(weaponType);
  myShip.draw();
  for (int i=0; i<bulletsCount; i++) 
  {
    bullets[i].update();
    bullets[i].draw();
    Vector2D pos = new Vector2D(bullets[i].position);
    int removed = bullets[i].clean(i);
    if (weaponType == 3)
    {
      if (removed == 1)
      {
        explosions[explosionsCount] = new Explosion(pos, 3, 2);
        explosionsCount ++;
      }
    }
    i -= removed;
  }
  for (int i=0; i<bugsNormalCount; i++) 
  {
    bugsNormal[i].update(i);
    bugsNormal[i].draw();
    float bugSize = (bugsNormal[i].size);
    Vector2D bugPos = new Vector2D(bugsNormal[i].position);
    int removed = bugsNormal[i].clean(i);
    if (removed == 1)
    {
      explosions[explosionsCount] = new Explosion(bugPos, int(bugSize), 1);
      explosionsCount ++;
    }
    i -= removed;
  }
  for (int i=0; i<explosionsCount; i++) 
  {
    explosions[i].draw(i);
    i -= explosions[i].clean(i);
  }

}

//this is here so we detect keys as we should

void keyReleased()
{
  if (key == 'w' || key == 'W')
  {
    keyUp = false;
  }
  if (key == 's' || key == 'S')
  {
    keyDown = false;
  }
  if (key == 'a' || key == 'A')
  {
    keyLeft = false;
  }
  if (key == 'd' || key == 'D')
  {
    keyRight = false;
  }
} 

void detectKeys()
{
  if(keyPressed)
  {
    if (key == 'w' || key == 'W'){ keyUp = true; }
    if (key == 's' || key == 'S'){keyDown = true; }
    if (key == 'a' || key == 'A'){keyLeft = true;}
    if (key == 'd' || key == 'D'){keyRight = true;}
    if (key == '1'){weaponType = 0;}
    if (key == '2'){weaponType = 1;}
    if (key == '3'){weaponType = 2;}
    if (key == '4'){weaponType = 3;}
    
  } 
}