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1) Excuse the noob question, but... Where can I find the Set Width/Set Height?

2) That's EXACTLY what I need, but "speed + 100 * timedelta" but Construct marks it as erroneous

I guess this is not gonna sound very good being my first post in here and all, but oh well.

I'm making a "Starfield" game in Construct: The player will move in 8 directions avoiding a series of "stars" which move to outside of the screen as they embiggen in order to give a "Moving through a starfield" effect.

Now, I'm a little stuck in two little things:

1.- In order to make the stars move, I'm using the Bullet Behaviour. Now, what event I need to use in order to make the sprites bigger as they move farther away from the center?

2.- In order to give a better effect and a bit of a challenge, the bullet speed must be exponential. Is there a way to do this? (Ie: In the initial position, speed would be X. 10 pixels away, speed would be X*2. 15 away, X*4. 20 away, X*8 and so on)

Thanks beforehand.