Strict Gravity Control

I'm designing a 2D platforming game and while the physics system makes platforming much easier to deal with, I would like greater control on the gravity. I want the character's jumps to be floaty, like Luigi's. I also want the character to fall relatively fast if they walk of a ledge. I've gone about this by changing their gravity scale to a lower number when they jump, and bringing it back to a higher number when they hit the ground.

However, like just about all 2d/planar games I can imagine, I also want to make sure that his fall speed never exceeds the maximum speed of his jumps. Something I seem to have trouble finding is a way to limit gravity to a maximum value; either for the character or for the entire game. I know you can set limits on an object's total magnitude, but I don't want to cap their speed along the X axis. I just want to make sure that his fall speed stops once it hits a number defined by me. I haven't found a way to do this through inspector values, such as the rigidbody properties or the physics settings. Am I missing something or would I be looking to do this with code?

 

if(rigidbody.velocity.y>maxSpeed) rigidbody.velocity.y=maxSpeed

or something like this in FixedUpdate will limit the velocity in one direction

 

Hi.

You can do one thing.
Just go the properties of the physics2d in the project setting.

Thanks

 

Hm... I was kind of hoping there would be a better way than that. I'm a little hesitant about directly adjusting velocity, especially continuously, but if that's the best way of doing it, I suppose it wouldn't be too bad for a simple side-scroller.

And then what? Like I said in the first post, I didn't see anything in there about limiting maximum gravity speed. I see a max translation speed, but I also said I don't want to limit the X movement, just the limit of incrementing gravity.


Edit: Tried out TiG's method; seems to work fine, though I read there can be oddities with directly affecting velocity. I guess the "issues" most people talk about is that it would be unrealistic physics. If you're making a classic style platformer however, more direct control on the physics isn't really a bad thing. The only thing I would add, if someone is new, you can't directly assign a value to a specific axis, you have to make a new vector 2 (or 3), so it would look more like

Vector2 newSpeed = new Vector2(rigidbody2D.velocity.x, maxSpeed);
rigidBody2D.velocity = newSpeed;

Anyway, thanks, though I'm still interested to know if there is something more direct in the physics settings.

 

Directly adjusting velocity can lead to strange behaviour when you don't know what you are doing.However I do use the method from time to time with good results. A more natural way to limit velocity would be applying a terminal velocity. This may be done with adjusting Unity's own drag coefficient or writing your own to specify a terminal velocity direclty. But this is a much more advanced method, and may not be suitable for everyone.