protected override sealed void Awake()
{
base.Awake();
initialize();
StartCoroutine(wait_for_fixed_update());
observer = new CollisionObserver();
observer.initialize(this, this.GetComponentsInParent <PlanetariaMonoBehaviour>());
}
public bool collide(BlockCollision collision, CollisionObserver observer)
{
if (this.observer.exists)
{
this.observer.data.clear_block_collision();
}
aerial_move(-collision.overshoot); // this only (truly) works with perpendicular vectors?
this.observer = observer;
this.collision = collision;
horizontal_velocity = Vector3.Dot(velocity, Bearing.right(planetaria_transform.position, collision.geometry_visitor.normal()));
vertical_velocity = Vector3.Dot(velocity, collision.geometry_visitor.normal());
if (vertical_velocity < 0)
{
vertical_velocity *= -collision.elasticity;
}
grounded_accelerate(0);
return(this.observer.exists);
}
public static optional <BlockCollision> block_collision(CollisionObserver observer, Arc arc, PlanetariaCollider collider, PlanetariaTransform transformation, PlanetariaRigidbody rigidbody)
{
optional <ArcVisitor> arc_visitor = collider.shape.arc_visitor(arc);
if (!arc_visitor.exists)
{
Debug.LogError("This should never happen");
return(new optional <BlockCollision>());
}
Quaternion block_to_world = collider.gameObject.internal_game_object.transform.rotation;
Quaternion world_to_block = Quaternion.Inverse(block_to_world);
Vector3 last_position = world_to_block * rigidbody.get_previous_position();
Vector3 current_position = world_to_block * rigidbody.get_position();
float extrusion = transformation.scale / 2;
optional <Vector3> intersection_point = PlanetariaIntersection.arc_path_intersection(arc, last_position, current_position, extrusion);
if (!intersection_point.exists) // theoretically only happens with moving objects for discrete collision checks
{
// these functions are general inverses of one another, but also serve to constrain/normalize the position to the arc path.
float intersection_angle = arc.position_to_angle(current_position);
if (Mathf.Abs(intersection_angle) <= arc.angle() / 2) // if the intersection is valid
{
intersection_point = arc.position(intersection_angle); // set the collision to the extruded collision point
}
}
if (!intersection_point.exists)
{
Debug.LogError("Research why this happened.");
return(new optional <BlockCollision>());
}
BlockCollision result = new BlockCollision();
float angle = arc.position_to_angle(intersection_point.data);
result.geometry_visitor = ShapeVisitor.geometry_visitor(arc_visitor.data, angle, extrusion, collider.gameObject.internal_game_object.transform);
intersection_point.data = block_to_world * intersection_point.data;
result.distance = Vector3.Angle(intersection_point.data, rigidbody.get_previous_position()) * Mathf.Deg2Rad;
result.overshoot = Vector3.Angle(intersection_point.data, rigidbody.get_position()) * Mathf.Deg2Rad;
result.observer = observer;
result.self = observer.collider();
result.other = collider;
PlanetariaPhysicMaterial self = result.self.material;
PlanetariaPhysicMaterial other = result.other.material;
result.elasticity = PlanetariaPhysics.blend(
self.elasticity, self.elasticity_combine,
other.elasticity, other.elasticity_combine);
result.friction = PlanetariaPhysics.blend(
self.friction, self.friction_combine,
other.friction, other.friction_combine);
result.magnetism =
-(self.magnetism - other.magnetism * self.induced_magnetism_multiplier) *
(other.magnetism - self.magnetism * other.induced_magnetism_multiplier);
return(result);
}