Hello,
I've come to LOVE through wanting to create some little games and so far I am enjoying the engine. I'm creating a platformer and want to know how I can use box2D for gravity and jumping but to have no friction or rotational velocity when trying to move the character sideways as he walks. The problems I have encountered when trying to use a rectangle body shape for my character's bounding box is that it has friction with the ground and falls over if i try to apply a sideways force. What is the best way to move my character along the floor? The best solution I've come up with so far is to use a circular body shape, but that will mean: a) the bounding box is the wrong shape, and b) if he's ever stood on a sloping floor he will roll down it.
Any hints you can give me will be very welcome,
Thankyou.
Typical Platformer Physics
Re: Typical Platformer Physics
My solution: set the friction of the character to 0 and create a custom friction function. If you find that too complicated, you could also try setting the character's centre of gravity lower to the ground. I've had decent results with a combination of the two. In the end it all depends on what kind of range of motion you want your character to have.
Re: Typical Platformer Physics
Probably the best solution would be Box2D's Body.FixedRotation flag, which is not yet implemented in LOVE.
http://www.box2d.org/wiki/index.php?title=B2BodyDef
Until then, I'm not sure either. Setting the Player's Body's Angle to 0 every update sorta works, but has some over lap issues. ( body:setAngle(0) )
http://love2d.org/forum/viewtopic.php?f=4&t=381
http://www.box2d.org/wiki/index.php?title=B2BodyDef
Until then, I'm not sure either. Setting the Player's Body's Angle to 0 every update sorta works, but has some over lap issues. ( body:setAngle(0) )
http://love2d.org/forum/viewtopic.php?f=4&t=381
Re: Typical Platformer Physics
I, personally, would prefer to do custom-programmed physics. They're not too hard in ordinary platformers, and physics engines may or may not be a bit iffy.
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