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Gray - Physics Engine

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Author Comments

So the physics for my upcoming game are finally done! I've done a lot of updates on the animations; added some, removed some.

The engine is made so that you can tweak the physics in whatever way you want, and if you'd like, tell me what settings you find most fitting for the game. (Oh, and make sure to press the "Apply settings"-button every time you want to make a change)

Move with arrow keys [Left and Right]
Jump with [Space]

I feed on your feedback, and will appreciate every single comment! (=



i tried making the jump-start lower, to -83, and he completely jumped off-screen. so to fix the problem, i used logic and tried to increase gravity so he'd come back down... all he did was fall through the floor... the moral of the story is... make sure the ground is stable before trying to crash into it...

People find this review helpful!

I only changed one parameter

I changed the friction from .5 to .75
Kept max left/right at -8/8 respectively
Gravity at .9
Max fall 18
Jump start -10.5
Those settings felt very comfortable and typical of platformer games with the apparent graphics and proportions.
Can't wait to play the game :)

TBearify responds:

I'll make sure to turn the friction up a bit before publishing ^^ Thanks mate


Helpful criticism hopefully:

I find that the more you max out your left & right movements, the more friction you'll need to create an enjoyable (and not annoying) platformer. If you plan on sticking with the -8/8 left/right then the friction is perfect at 1. That's all I really looked into. Hope that helps. And can't wait for your game to come out. Keep me updated. =)

Great Engine!

Friction: 1.5 - 2. I thought anything less than 1 made the game too "icey".

Max left/right: -4/4. This allowed the character to barely make some jumps, but have some extra room for error on others.

Gravity: .8. The default .9 was alright, but it could use a little more floaty-ness to it. Letting the player move the character mid-air while they still had time.

Jump Start: -10. The default was great, but a little less wouldn't hurt.

Max fall: Default. It's fine as it is.

Just as a side-note: This is a great idea, allowing users to look at the physics of a game before you publish it. Good luck with the final product!

People find this review helpful!
TBearify responds:

Thanks, I'll see what I can do d= Can't decide whether I want a bit of ice-effect, or none at all xD

Hehhe, yup it makes it easier for me to see what you people want! :D

As a physics engine

This is good.

TBearify responds:

Thanks, glad you liked it ;D

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Credits & Info

3.14 / 5.00

Nov 21, 2010
12:31 AM EST
Action - Platformer - Puzzle