/// <summary>
/// Called when another component is added or removed from the entity. This method should
/// be used by the component to aquire references to other components in the entity.
/// </summary>
public override void OnReset()
{
base.OnReset();
ISpatialComponent spatial = this.Owner.GetComponent <ISpatialComponent>();
if (spatial != null)
{
SceneNode oldNode = mSceneNode;
mSceneNode = spatial.SceneNode;
if (mSceneNode != oldNode) // Only attach/dettach if the node has changed.
{
// Dettach the component's node from the old scene node (if any).
if (oldNode != null)
{
Dettach(oldNode);
}
// And attach it to the new scene node (if any).
if (mSceneNode != null)
{
Attach(mSceneNode);
}
}
}
// If there is no spatial component, we dettach the quad.
else
{
if (mSceneNode != null)
{
Dettach(mSceneNode);
}
}
}
/// <summary>
/// Called when another component is added or removed from the entity. This method should
/// be used by the component to aquire references to other components in the entity.
/// </summary>
public override void OnReset()
{
base.OnReset();
ISpatialComponent spatial = this.Owner.GetComponent <ISpatialComponent>();
mSceneNode = spatial != null ? spatial.SceneNode : null;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="root">Root object to which the entity belongs.</param>
/// <param name="name">Name of the entity.</param>
/// <param name="normal">Normal of the plane.</param>
/// <param name="distance">
/// Distance along the normal to the plane. For instance, if the normal is (0,1,0), that
/// is, the Y axis, the created plane will be y = distance.
/// </param>
public PhysicsPlane(Root root, string name, Vector3 normal, float distance) : base(root, name)
{
ISpatialComponent spatial = ComponentFactory.createSpatialComponent(this.Root, "spatial");
IPhysicsComponent physics = ComponentFactory.createPhysicsComponent(this.Root, "physicsComponent");
physics.BuildCollisionPlane(normal, distance);
physics.Immovable = true;
AddComponent(spatial);
AddComponent(physics);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="root">Root object to which the entity belongs.</param>
/// <param name="name">Name of the entity.</param>
public PhysicsPlane(Root root, string name) : base(root, name)
{
ISpatialComponent spatial = ComponentFactory.createSpatialComponent(this.Root, "spatial");
IPhysicsComponent physics = ComponentFactory.createPhysicsComponent(this.Root, "physicsComponent");
physics.BuildCollisionPlane(new Vector3(0.0f, 1.0f, 0.0f), 0.0f);
physics.Immovable = true;
AddComponent(spatial);
AddComponent(physics);
}
/// <summary>
/// Adds an entity to the list of entities that are to be monitored by the component.
/// </summary>
/// <param name="entity">Entity which is to be added.</param>
public void AddSensedEntity(Entity entity)
{
if (entity == null)
{
throw new ArgumentNullException("DefaultProximitySensorComponent.AddSensedEntity(): null entity.");
}
ISpatialComponent spatial = entity.GetComponent <ISpatialComponent>();
if (spatial == null || spatial.SceneNode == null)
{
string msg = "DefaultProximitySensorComponent.AddSensedEntity(): entity has no ";
msg += "spatial component.";
throw new ArgumentException(msg);
}
EntityEntry entry = new EntityEntry();
entry.SceneNode = spatial.SceneNode;
entry.Entity = entity;
mEntities.Add(entry);
}
