/// <summary>
/// Adds the character to the engine processing pipeline.
/// </summary>
/// <param name="character">The character.</param>
/// <param name="group">The group.</param>
/// <param name="mask">The mask.</param>
/// <exception cref="System.Exception">Cannot perform this action when the physics engine is set to CollisionsOnly</exception>
public void AddCharacter(Character character, CollisionFilterGroupFlags group, CollisionFilterGroupFlags mask)
{
if (discreteDynamicsWorld == null) throw new Exception("Cannot perform this action when the physics engine is set to CollisionsOnly");
var collider = character.InternalCollider;
var action = character.KinematicCharacter;
discreteDynamicsWorld.AddCollisionObject(collider, (BulletSharp.CollisionFilterGroups)group, (BulletSharp.CollisionFilterGroups)mask);
discreteDynamicsWorld.AddCharacter(action);
character.Simulation = this;
}
/// <summary>
/// Removes the character from the engine processing pipeline.
/// </summary>
/// <param name="character">The character.</param>
/// <exception cref="System.Exception">Cannot perform this action when the physics engine is set to CollisionsOnly</exception>
public void RemoveCharacter(Character character)
{
if (discreteDynamicsWorld == null) throw new Exception("Cannot perform this action when the physics engine is set to CollisionsOnly");
var collider = character.InternalCollider;
var action = character.KinematicCharacter;
discreteDynamicsWorld.RemoveCollisionObject(collider);
discreteDynamicsWorld.RemoveCharacter(action);
character.Simulation = null;
}
/// <summary>
/// Creates the character.
/// </summary>
/// <param name="collider">The collider.</param>
/// <param name="stepHeight">Height of the step.</param>
/// <returns></returns>
public Character CreateCharacter(ColliderShape collider, float stepHeight)
{
var ch = new Character(collider)
{
InternalCollider = new BulletSharp.PairCachingGhostObject
{
CollisionShape = collider.InternalShape
}
};
ch.InternalCollider.UserObject = ch;
ch.InternalCollider.CollisionFlags |= BulletSharp.CollisionFlags.CharacterObject;
if (collider.NeedsCustomCollisionCallback)
{
ch.InternalCollider.CollisionFlags |= BulletSharp.CollisionFlags.CustomMaterialCallback;
}
ch.InternalCollider.ContactProcessingThreshold = !canCcd ? 1e18f : 1e30f;
ch.KinematicCharacter = new BulletSharp.KinematicCharacterController((BulletSharp.PairCachingGhostObject)ch.InternalCollider, (BulletSharp.ConvexShape)collider.InternalShape, stepHeight);
return ch;
}