HELP! POWER UPS !

Lu_merlin

Hello Everyone!
I have been using gamesalad since 4 days now and I LOVE it!
But i have a problem: I created a 2d shooter game and it has a few power ups. I know I can spawn an actor with a timer and so on but i would like to spawn the power up every time the player hits a thousand points.(1000,2000,3000...)
I don't know how to do it!
Please Help!!!

-Lu_merlin

Riffel

create a rule for each power up:
if scores >= 1000 spaw power up 1

if scores >= 2000 spaw power up 2

..

..

Lu_merlin

I am not sure if i quite get that!

1. I have a spawner.
2.That would only work once for 1000 and then 2000?

Lu_merlin

Ok but then i would have to do that for ever!
And What if i want it to go to 70.000 ?
Do i Have to do it 70 times ? Is there no different way?
Thx for the quick responses!

firemaplegames

To do that, you should use the 'modulus' operator, which is the percent sign: '%'.

Here's how:

In the spawner actor, create an integer attribute called something like "powerUpScore".

Then use a Constrain Attribute and a Rule, like this:

Constrain Attribute
self.powerUpScore To: game.score%1000

Rule
when all conditions are valid:
self.powerUpScore >= 1000
-----Spawn Actor: [your power up]

That will spawn a power up every 1000 points, regardless of the score.

Riffel

firemaplegames said:
To do that, you should use the 'modulus' operator, which is the percent sign: '%'.

yep, some times you need use some tricks like the module one.

Lu_merlin

Yeah i thought exactly the same but couldn't find the modulus operater!
Thanks for your help !!!

Lu_merlin

firemaplegames said:

Here's how:

In the spawner actor, create an integer attribute called something like "powerUpScore".

Then use a Constrain Attribute and a Rule, like this:

Constrain Attribute
self.powerUpScore To: game.score%1000

Rule
when all conditions are valid:
self.powerUpScore >= 1000
-----Spawn Actor: [your power up]

That will spawn a power up every 1000 points, regardless of the score.

Hello,
I tried to do what you said but it didn't work out.
I just have 2 questions:

-Shouldn't the powerupscore be a real attribute instead of an integer attribute ?
the modulus isn't an integer most of the time is it ?
-And why idid you write >= 1000 in the rule?
Shouldn't it be 0? i.e., modulus Gamescore/1000 = 0 ?

I also tried to display the powerupscore with your syntax to debug the code but it stayed 0.

Any help would be much appreciated!

firemaplegames

Oops! Sorry about that. You are correct...

It should be:

Constrain Attribute
self.powerUpScore To: game.score%1000

Rule
when all conditions are valid:
self.powerUpScore = 0
-----Spawn Actor: [your power up]

Modulus just shows the remainder after division. I would leave it as an integer. Unless your score has decimal places?

i.e:

1007%1000 = 7

1005.6%1000 = 5.6

Rob2

need to add a condition to stop the first power up at 0?

firemaplegames

Oops. Yeah. I should really test things out before I write!
Or get some more sleep, either one!

When you create the powerUpScore attribute, initialize it to be 1 instead of 0.

Or put in a condition like rob2 says.