/// <summary>
/// Attaches the Root transform of this entity to another. An entity can only attach to one other.
/// TODO: Since Renderer2DObjects are also entities, how is it possible for Renderer2DObjects to use this?
/// </summary>
/// <param name="entity">The entity to attach to</param>
public virtual void Attach(Object3 entity, string mesh)
{
position = entity.MountPosition(mesh);
attachedTo = entity;
mountMeshName = mesh;
following = false;
attached = true;
orbiting = false;
}
/// <summary>
/// Attaches the Root transform of this entity to another. An entity can only attach to one other.
/// TODO: Since Renderer2DObjects are also entities, how is it possible for Renderer2DObjects to use this?
/// </summary>
/// <param name="entity">The entity to attach to</param>
public virtual void Attach(Object3 entity, string mesh)
{
position = entity.MountPosition(mesh);
attachedTo = entity;
mountMeshName = mesh;
following = false;
attached = true;
orbiting = false;
}
/// <summary>
/// Rotates, scales, then translates the entity.
/// </summary>
public virtual void Update(Boolean updateToggle)
{
if (HasUpdated != updateToggle && updatable)
{
rotation = Matrix.CreateFromYawPitchRoll(yRot, xRot, zRot);
if (following)
{
if (targetEntity.HasUpdated != updateToggle)
{
targetEntity.Update(updateToggle);
}
Vector3 wantedPosition = targetEntity.Position + followingVector;
translation = wantedPosition - position;
targetPosition = targetEntity.Position;
}
if (mimicPosition)
{
if (targetEntity.HasUpdated != updateToggle)
{
targetEntity.Update(updateToggle);
}
position = targetEntity.Position + targetOffset;
}
if (mimicRotation)
{
if (targetEntity.HasUpdated != updateToggle)
{
targetEntity.Update(updateToggle);
}
rotation = targetEntity.rotation;
}
if (attached)
{
if (attachedTo.HasUpdated != updateToggle)
{
attachedTo.Update(updateToggle);
}
position = attachedTo.MountPosition(mountMeshName);
}
if (tracking)
{
if (trackingEntity)
{
if (targetEntity.HasUpdated != updateToggle)
{
targetEntity.Update(updateToggle);
}
targetPosition = targetEntity.Position;
}
else if (trackingCursor)
{
Plane p = new Plane(Vector3.UnitZ, -Position.Z);
Ray r = WorldMouse.WorldRay;
float denominator = Vector3.Dot(p.Normal, r.Direction);
float numerator = Vector3.Dot(p.Normal, r.Position) + p.D;
float t = -(numerator / denominator);
targetPosition = r.Position + r.Direction * t;
if (t < 0)
{
targetPosition = position + (position - targetPosition);
}
}
Aim(targetPosition, 1);
}
if (orbiting)
{
UpdateOrbit();
}
Commit();
HasUpdated = updateToggle;
}
}
