/// <summary>
/// Creates a new static entity.
/// </summary>
/// <param name="position">The position of the static entity.</param>
/// <param name="orientation">The orientation of the static entity.</param>
/// <param name="boundingRadius">The bounding radius of the static entity.</param>
/// <param name="hull">The hull used for collision detection with the static entity.</param>
public StaticEntity(Vector3 position, Vector3 orientation, float boundingRadius, Hull hull)
: base(position, orientation, 1.0e10f, boundingRadius, hull, new StaticCollision())
{
}
/// <summary>
/// Create a non-force entity.
/// </summary>
/// <param name="position">The initial position of the entity.</param>
/// <param name="orientation">The initial orientation of the entity.</param>
/// <param name="mass">The mass of the entity.</param>
/// <param name="boundingRadius">The bounding radius of the entity.</param>
/// <param name="hull">The entities collision detection hull.</param>
/// <param name="collisionHandler">The entities collision handler.</param>
public NonForceEntity(Vector3 position, Vector3 orientation, float mass, float boundingRadius, Hull hull, CollisionHandler collisionHandler)
: base(position, orientation, mass, boundingRadius, hull, collisionHandler)
{
}
/// <summary>
/// Test for collisions between two hulls.
/// </summary>
/// <param name="left">The first hull to test for collisions.</param>
/// <param name="leftTransform">The transform taking objects from entity to world space for the left hull.</param>
/// <param name="right">The second hull to test for collisions.</param>
/// <param name="rightTransform">The transform taking objects from entity to world space for the right hull.</param>
/// <returns>The result of the collision or null if no collision is found.</returns>
public static CollisionResult <ConvexHull> Collided(Hull left, Matrix leftTransform, Hull right, Matrix rightTransform)
{
foreach (ConvexHull leftHull in left.convexHulls)
{
foreach (ConvexHull rightHull in right.convexHulls)
{
CollisionResult <ConvexHull> result = ConvexHull.Collided(leftHull, leftTransform, rightHull, rightTransform);
if (result == null)
{
result = ConvexHull.Collided(rightHull, rightTransform, leftHull, leftTransform);
if (result != null)
{
result.Normal = -result.Normal;
}
}
return(result);
}
}
return(null);
}
/// <summary>
/// Constructs a Entity using some default values.
/// </summary>
/// <param name="position">The initial entity position.</param>
/// <param name="orientation">The initial orientation of the entity.</param>
/// <param name="mass">The mass of the entity.</param>
/// <param name="boundingRadius">The bounding radius of the entity.</param>
/// <param name="hull">The hull used for collision detection.</param>
/// <param name="collisionHandler">The collision handler to use for collision responce.</param>
public Entity(Vector3 position, Vector3 orientation, float mass, float boundingRadius, Hull hull, CollisionHandler collisionHandler)
{
this._position = position;
this.previousPosition = position;
this._orientation = orientation;
this.previousOrientation = orientation;
this._mass = mass;
this._boundingRadius = boundingRadius;
this._hull = hull;
this.collisionHandler = collisionHandler;
this.elapsedTime = 0.05f;
}