Add velocity-based kinematic bodies

This commit is contained in:
Crozet Sébastien
2021-06-01 14:55:50 +02:00
parent 826ce5f014
commit 5ef81cda40
3 changed files with 56 additions and 8 deletions

View File

@@ -57,13 +57,20 @@ pub enum RigidBodyType {
Dynamic,
/// A `RigidBodyType::Static` body cannot be affected by external forces.
Static,
/// A `RigidBodyType::Kinematic` body cannot be affected by any external forces but can be controlled
/// A `RigidBodyType::KinematicPositionBased` body cannot be affected by any external forces but can be controlled
/// by the user at the position level while keeping realistic one-way interaction with dynamic bodies.
///
/// One-way interaction means that a kinematic body can push a dynamic body, but a kinematic body
/// cannot be pushed by anything. In other words, the trajectory of a kinematic body can only be
/// modified by the user and is independent from any contact or joint it is involved in.
Kinematic,
KinematicPositionBased,
/// A `RigidBodyType::KinematicVelocityBased` body cannot be affected by any external forces but can be controlled
/// by the user at the velocity level while keeping realistic one-way interaction with dynamic bodies.
///
/// One-way interaction means that a kinematic body can push a dynamic body, but a kinematic body
/// cannot be pushed by anything. In other words, the trajectory of a kinematic body can only be
/// modified by the user and is independent from any contact or joint it is involved in.
KinematicVelocityBased,
// Semikinematic, // A kinematic that performs automatic CCD with the static environment to avoid traversing it?
// Disabled,
}
@@ -81,7 +88,8 @@ impl RigidBodyType {
/// Is this rigid-body kinematic (i.e. can move but is unaffected by forces)?
pub fn is_kinematic(self) -> bool {
self == RigidBodyType::Kinematic
self == RigidBodyType::KinematicPositionBased
|| self == RigidBodyType::KinematicVelocityBased
}
}