Counter Issues HELP PLEASE

Unity Engine
1

hey guys,

I have been having problems with a gui counter script i made,

var Counter : int = 0;
var myCollision : Collision;
function OnCollisionEnter () {
 if(myCollision.gameObject.name == "Cube"){
			Counter++;
		guiText.text = "Score : " +Counter; 
 }
}

I have attached this code to the projectile hitting the Cube.

Ideally, the GuiText would be updated every time the cube got hit.

Thanks,

Nick

2

You could either destroy the cube you hit, thus preventing multiple points off of the same cube.

var Counter : int = 0;
function OnCollisionEnter (myCollision: Collision) {
	if(myCollision.gameObject.name == "Cube"){
		Counter++;
		guiText.text = "Score : " +Counter;
		Destroy(myCollision.gameObject);
	}
}

Or keep track of the last cube you hit so that you don’t count a hit twice.

var Counter : int = 0;
private var lastCube : GameObject;
function OnCollisionEnter (myCollision : Collision) {
	if(myCollision.gameObject.name == "Cube"  myCollision.gameObject != lastCube){
		Counter++;
		guiText.text = "Score : " +Counter;
		lastCube=myCollision.gameObject;
	}
}

In both cases, you would make sure that the name of the object was “Cube” or you would not get points off of it.

3

Thank you for the help, the only problem i have is that its not updating the score, i get this error “Object reference not set to an instance of an object” on line 5.

4

HAH, totally missed it… Check your documentation for OnCollisionEnter…

It passes an object (Collision). You dont have that in your script

I updated my code to show the correction

5

thank you very much, although I have another problem, I feel this is a very dumb question i seem to get this error when i play my game, " There is no ‘GUIText’ attached to the “Projectile” game object, but a script is trying to access it." I have tried to mess around with attaching the gui text to the projectile in the hierarchy but it doesn’t seem to work.

6

GUIText is a component, click on your object, Components/Rendering/GUIText

7

That sorta worked, i get no errors, however, the score doesn’t update.

8

are all the objects you are hitting named Cube? Remember Instantiated objects have (Clone) attached to the end.

9

None of the Cubes are clones however the projectiles are.