public void checkSenseCollision(){
		for(Character character : characters){
			if(character instanceof EnemyCharacter){

				EnemyCharacter enemy = (EnemyCharacter) character;

				Ellipse2D.Double area = enemy.getArea();

				if(area.intersects(player.getBounds()) ){
					if(!enemy.hasDetectedPlayer()){           // If the enemy has not seen the player before
						enemy.setDetectedPlayer(true,player); // Then detect player
						                                      // And play a detected sound
					}
				}else{
					enemy.setDetectedPlayer(false,player);	  // If player is not inside sense area, Enemy don't detect Player
				}
			}
		}
	}