func tryAxis(one *CollisionCube, two *CollisionCube, axis m.Vector3, toCenter *m.Vector3,
index int, smallestPenetration m.Real, smallestCase int) (bool, m.Real, int) {
// make sure we have a normalized axis, and don't check almost parallel axes
if axis.SquareMagnitude() < m.Epsilon {
return true, smallestPenetration, smallestCase
}
axis.Normalize()
penetration := penetrationOnAxis(one, two, &axis, toCenter)
if penetration < 0 {
return false, smallestPenetration, smallestCase
}
if penetration < smallestPenetration {
return true, penetration, index
}
return true, smallestPenetration, smallestCase
}
