private void synchronize_velocity_air_to_ground()
{
if (observer.exists)
{
horizontal_velocity = Vector3.Dot(velocity, Bearing.right(planetaria_transform.position, collision.geometry_visitor.normal()));
vertical_velocity = Vector3.Dot(velocity, collision.geometry_visitor.normal());
}
}
private void synchronize_velocity_ground_to_air()
{
if (observer.exists)
{
Vector3 x = horizontal_velocity * Bearing.right(planetaria_transform.position, collision.geometry_visitor.normal());
Vector3 y = vertical_acceleration * Time.fixedDeltaTime * collision.geometry_visitor.normal();
velocity = x + y;
}
}
private void grounded_accelerate(float delta)
{
Vector3 normal = collision.geometry_visitor.normal();
Vector3 right = Bearing.right(collision.geometry_visitor.position(), normal);
acceleration = get_acceleration();
horizontal_acceleration = Vector3.Dot(acceleration, right);
vertical_acceleration = Vector3.Dot(acceleration, normal) - collision.magnetism;
vertical_velocity += vertical_acceleration * Time.fixedDeltaTime;
if (!collision.grounded(internal_velocity)) // TODO: check centripedal force
{
derail(0, vertical_acceleration * delta); // Force OnCollisionExit, "un-collision" (and accelerate for a frame)
}
}
/// <summary>
/// Inspector - Determine the type of corner connecting the left-hand-side and right-hand-side Arcs (concave/convex/straight).
/// </summary>
/// <param name="left">Arc that will connect to beginning.</param>
/// <param name="right">Arc that will connect to end.</param>
/// <returns>
/// GeometryType.ConvexCorner if the corner arc is convex.
/// GeometryType.ConcaveCorner if the corner arc is concave.
/// GeometryType.StraightCorner if the corner arc is a straight angle.
/// </returns>
public static ArcType corner_type(Arc left, Arc right)
{
// Both cases
Vector3 normal_for_left = left.end_normal();
// Straight angle check
Vector3 normal_for_right = right.begin_normal();
// Convex/Concave check
Vector3 rightward_for_right = Bearing.right(right.begin(), right.begin_normal());
if (Vector3.Dot(normal_for_left, normal_for_right) > 1 - Precision.tolerance)
{
return(ArcType.StraightCorner);
}
else
{
return(Vector3.Dot(normal_for_left, rightward_for_right) < Precision.tolerance ?
ArcType.ConvexCorner : ArcType.ConcaveCorner);
}
}
public void derail(float x_velocity, float y_velocity)
{
if (observer.exists && observer.data.colliding())
{
BlockCollision collision = observer.data.collisions()[0];
collision.geometry_visitor.move_position(0, transform.scale / 2 * (1 + 1e-3f)); // extrude the player so they do not accidentally re-collide (immediately) // FIXME: magic number, move to Precision.*
x_velocity += horizontal_velocity;
//y_velocity += vertical_velocity;
planetaria_transform.position = collision.geometry_visitor.position();
Vector3 normal = collision.geometry_visitor.normal();
Vector3 right = Bearing.right(planetaria_transform.position, normal);
velocity = right * x_velocity + normal * y_velocity;
Debug.DrawRay(planetaria_transform.position, velocity, Color.yellow, 1f);
acceleration = get_acceleration();
// TODO: accelerate vertically
observer.data.clear_block_collision();
observer = new optional <CollisionObserver>();
}
}
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);
}
