Instantiating more enemies based on player score.

Unity Engine
1

I don’t know what exactly I’ve done wrong here, but the enemy wont instantiate… What I want is for a new instance of the enemy to instantiate once the player has reached a certain distance, or score. Here’s my code:

		if(playerDistance == (int)10)
		{
			GameObject GO = Instantiate(enemy) as GameObject;
			
			GO.transform.parent = ParentGameObject.transform;
		}

enemy is defined in the Awake() function with GameObject.Find(“Enemy”)… I don’t know what could be wrong here other than maybe the player never actually reaches a whole number of 10… The distance is set to a float variable.

2

Hi

I’m not sure , but try

if ( (int) PlayerDistance == 10 )

You try to compare float to int .

if you think the position is never over 10 , trace the value in the console and adapt the value . You might try to do

if ( (int) PlayerDistance > 10 )

if the player is far you spawn an enemy .

Good luck

3

Lol I was type casting the wrong thing xP

I got it to work, but now it’s instantiating the enemy every frame that the playerDistance is a 10…

I don’t know how to fix this… I know there has got to be a better way to do it than an if statement.

4

As long as the condition is true, assuming your code lives within the update function or something similar, it will trigger every update. To get around this, you can use a second variable to check whether the condition has already triggered. For instance, if you only want the enemy to spawn once, you can add this outside of the function:

var HasSpawned : boolean = false;

Then, add this variable as a condition, like this:

if ( (int) PlayerDistance > 10  !HasSpawned )
{

    GameObject GO = Instantiate(enemy) as GameObject;
    GO.transform.parent = ParentGameObject.transform;
    HasSpawned = true;

}

Hope this helps.

5

Please tell me what special the (int) is for? I never used it?

Enough? Isn’t it? Because of java?

6

(int) is a type cast. Since the playerDistance variable is originally a float, I am type casting it as an int, therefore while it is being called locally within the if statement, it is an int. But globally, within the PlayerMove class, it is still a float.

@chjacobsen, you did it man! Well, for the most part… But when I try to replicate it, it just instantiates the enemy like a million times… I don’t get it… Here’s my code

if((int)playerDistance == 10.0f  !HasSpawned)
			{
           GameObject GO = Instantiate(enemy) as GameObject;
			
           GO.transform.parent = ParentGameObject.transform;
			HasSpawned = true;
			
			}
		else if ((int)playerDistance > 10.0f  HasSpawned)
		{
		HasSpawned = false;
		}
		
		if((int)playerDistance == 20.0f  !HasSpawned)
			{
           GameObject GO = Instantiate(enemy) as GameObject;
			
           GO.transform.parent = ParentGameObject.transform;
			HasSpawned = true;
			}
		else if ((int)playerDistance > 20.0f  HasSpawned)
		{
		HasSpawned = false;
		}

it works just fine without the second If/else if statement… I don’t know whats happening.

7

Learned something new, ty…

8

No problem (:

Okay, I fixed the issue with the second instantiation… I just don’t know how to set HasSpawned back to false…xP.

So, my second instantiation won’t instantiate!

more code below xP

		if((int)playerDistance == 10.0f  !HasSpawned)
			{
           GameObject GO = Instantiate(enemy) as GameObject;
			
           GO.transform.parent = ParentGameObject.transform;
			HasSpawned = true;
			}
		
			
		
		if((int)playerDistance == 20.0f  !HasSpawned)
			{
           GameObject GO1 = Instantiate(enemy) as GameObject;
			
           GO1.transform.parent = ParentGameObject.transform;
			HasSpawned = true;
			}
9

There is a problem with your code , you never set HasSpawned to false , so it Will never work .

This is not a good solution but If you want something easy.

I don’t have time right now , I’ll come with proper solution soon

10

I figured it out. I just have to make a new bool for every if statement. Thanks for all the help guys!