Greenfoot

yungbae wrote ...

2017/1/27

Creating different teams with the same actor class.

yungbae

2017/1/27

Hi, I'm making a player versus player game designed for two. Before I had two actors that were functionally the same with different names and art for the red and blue team. I want to merge them into one actor class. How would give each a variable when they are created so that there is always one on each team? And how would I make it so it does not get hit by it's own projectile if they are both using the same projectile class? Thank you!

danpost

2017/1/27

You could give the projectile a reference to the actor that creates it:

// instead of
public Projectile()
// use
public Projectile(Player player)

Add a reference field to the Projectile class for the player:

private Player owner;

and set it in the constructor

owner = player;

You can also add a method to get the referenced owner in the Projectile class:

public Player getOwner()
{
    return owner;
}

Now, each player create projectiles as follows:

Projectile projectile = new Projectile(this);

and can check to see if any projectile is theirs or belonging to the other player. For example:

Projectile projectile = (Projectile)getOneIntersectingObject(Projectile.class);
if (projectile != null && projectile.getOwner() != this)
{ // etc.

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Creating different teams with the same actor class.