SkanaarKey sk;
Sperm playerA, playerB;
Vector entities;
PFont font;
float gameSpeed = 0.333333;
float friction = 0.035;
int fieldMargin = 5;
int foodCount = 0;
//-------------------------
void setup(){
  size(400,300);
  smooth();
  sk = new SkanaarKey();
  font = loadFont("Calibri-Bold-24.vlw");
  textFont(font);
  playerA = new Sperm(width/2, height/2, 0);
  playerB = new Sperm(width/2, height/2, 1);
  entities = new Vector();
  entities.add( playerA );
  entities.add( playerB );
  
  for( int i=0 ; i<10 ; i++ )
    entities.add( new Cloud( 255 ) );
  
  for( int i=0 ; i<10 ; i++ )
    entities.add( new Spore( 255 ) );
}
//-------------
void draw(){
  background( 128 );
  
  if(sk.keyDown(sk.UP))    playerA.boost();
  if(sk.keyDown(sk.LEFT))  playerA.turn(1);
  if(sk.keyDown(sk.RIGHT)) playerA.turn(-1);
  
  if(sk.keyDown('w'))    playerB.boost();
  if(sk.keyDown('a'))  playerB.turn(1);
  if(sk.keyDown('d')) playerB.turn(-1);
  
  for( int i=0 ; i<entities.size() ; i++ ){
    Entity e = (Entity) entities.elementAt(i);
    e.update();
    e.visualize();
  }
  
  for( int i=entities.size()-1 ; i>=0 ; i-- ){
    Entity e = (Entity) entities.elementAt(i);
    if(e.killMe) entities.remove(i);
  }
  
  if( foodCount<5 && random(1) < 0.005 )
    entities.add( new Food( (int)random(width), (int)random(height) ) );
}
//-------------
void keyPressed(){
  sk.keyPressed(key,keyCode);
  if(keyCode==sk.DOWN) playerA.pulse();
  if(key=='s') playerB.pulse();
  if(key==' ')entities.add( new Food( (int)random(width), (int)random(height) ) );
  
}
//-------------
void keyReleased(){
  sk.keyReleased(key,keyCode);
}
//-------------