// code that is executed when something collides with lock
void OnTriggerEnter2D(Collider2D collider)
{
// ignore any collision with non-player game objects
if (collider.CompareTag("Player") == false)
{
return;
}
// get the player's script who entered the square
PlayerController p = collider.gameObject.GetComponent <PlayerController>();
DoorController d = (DoorController)door.GetComponent(typeof(DoorController));
// set unlock to true if player has keys and matches color
if (p.checkKey() && p.colorPower.Contains(color))
{
// play sound effect once so it doesn't play on exit
if (sound)
{
keyUnlock.Play();
sound = false;
}
// set variable and check door
unlock = true;
d.CheckDoor();
}
}