Using a box for a mover instead of a capsule

[OrangeLightning219]

Hi.

I want to use a box shape for my character instead of a capsule but I'm having some issues with changing the mover code.
I basically copied all of the mover code and made separate versions that use b2Polygon instead of b2Capsule (b2World_CastMoverBox etc.). The issue is that when using a box my character falls through the ground.
In my b2World_CastMoverBox I removed the B2_ASSERT( mover->radius > 2.0f * B2_LINEAR_SLOP ) and tried setting canEncroach to false but it didn't help.
What would be needed to make a mover with radius 0?

My reasoning for this is that a capsule can "climb" platform corners with enough speed. Here's an example:

capsule.mp4

When I jump and dash at the right height the rounded part of the capsule climbs up to the platform.

[erincatto]

I'm planning to revisit movers and I'll consider this.