public static void CreateFlatPlane(this IGrounded grounded, ISubdivisionGeometry geometry, string material, IReadOnlyList <Vector2> footprint, float height, float yOffset = 0)
{
Contract.Requires(grounded != null);
Contract.Requires(geometry != null);
Contract.Requires(footprint != null && footprint.Count >= 3);
var offset = GroundOffset(grounded, height) + yOffset;
var prism = geometry.CreatePrism(material, footprint, height).Transform(Matrix4x4.CreateTranslation(0, offset, 0));
geometry.Union(prism);
}
/// <summary>
/// Calculate the Y offset to create something at to put it on the ground
/// </summary>
/// <param name="grounded">The node which is grounded</param>
/// <param name="itemHeight">The height of the item which you want the *base* of at the ground height</param>
/// <returns></returns>
public static float GroundOffset(this IGrounded grounded, float itemHeight)
{
Contract.Requires(grounded != null);
return(grounded.GroundHeight - grounded.Bounds.Height / 2f + itemHeight / 2f);
}
