protected void UpdateConvexShapeInfo(ConvexShapeDescription description)
{
UpdateEntityShapeVolume(description.EntityShapeVolume);
MinimumRadius = description.MinimumRadius;
MaximumRadius = description.MaximumRadius;
collisionMargin = description.CollisionMargin;
}
/// <summary>
/// Constructs a minkowski sum shape from cached data.
/// </summary>
/// <param name="shapeEntries">Entries composing the minkowski sum.</param>
/// <param name="localOffset">Local offset of the elements in the minkowski sum.</param>
/// <param name="description">Cached information about the shape. Assumed to be correct; no extra processing or validation is performed.</param>
public MinkowskiSumShape(IList <OrientedConvexShapeEntry> shapeEntries, Vector3 localOffset,
ConvexShapeDescription description)
{
for (int i = 0; i < shapeEntries.Count; i++)
{
Shapes.Add(shapeEntries[i]);
}
this.localOffset = localOffset;
UpdateConvexShapeInfo(description);
Shapes.Changed += ShapesChanged;
}
/// <summary>
/// Creates a ConvexHullShape from cached information. Assumes all data provided is accurate- no pre-processing is performed.
/// </summary>
/// <param name="localSurfaceVertices">List of vertex positions on the surface of the convex hull shape, centered on the desired origin. These vertices are used as-is for the shape representation; no additional processing occurs.</param>
/// <param name="description">Cached information about the shape. Assumed to be correct; no extra processing or validation is performed.</param>
public ConvexHullShape(IList <Vector3> localSurfaceVertices, ConvexShapeDescription description)
{
if (localSurfaceVertices.Count == 0)
{
throw new ArgumentException("Vertices list used to create a ConvexHullShape cannot be empty.");
}
unexpandedMaximumRadius = description.MaximumRadius - collisionMargin;
unexpandedMinimumRadius = description.MinimumRadius - collisionMargin;
vertices = new Vector3[localSurfaceVertices.Count];
localSurfaceVertices.CopyTo(vertices, 0);
UpdateConvexShapeInfo(description);
}
///<summary>
/// Constructs a wrapped shape from cached data.
///</summary>
///<param name="shapeEntries">Already centered shape entries used to construct the shape.</param>
/// <param name="description">Cached information about the shape. Assumed to be correct; no extra processing or validation is performed.</param>
///<exception cref="Exception">Thrown when the shape list is empty.</exception>
public WrappedShape(IList <ConvexShapeEntry> shapeEntries, ConvexShapeDescription description)
{
if (shapeEntries.Count == 0)
{
throw new ArgumentException("Cannot create a wrapped shape with no contained shapes.");
}
for (int i = 0; i < shapeEntries.Count; i++)
{
Shapes.Add(shapeEntries[i]);
}
UpdateConvexShapeInfo(description);
Shapes.Changed += ShapesChanged;
}